\n\t\t\uc790\ub3d9\ucc28 \uad00\ub9ac\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ubb3c\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc2b9\uc9c4 \uc120\ubb3c\uc744 \uc704\ud55c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ubd84\ub9d0\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc560\uc644 \ub3d9\ubb3c \ubc0f \ub3d9\ubb3c\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ubbf8\uc6a9 \ubc0f \uac1c\uc778 \uad00\ub9ac\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub9e5\uc8fc \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc74c\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc5d0\uc13c\uc15c \uc624\uc77c \uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc804\uc790\ub2f4\ubc30 \ubc0f CBD\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc601\uc591\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ud648 \ucf00\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc2dd\uc6a9\uc720\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub9ac\ud050\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub18d\uc5c5 \ubc0f \ube44\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\uc18c\uac1c<\/h2>
\ub2f9\uc2e0\uc774 \ucc3e\uace0 \uc788\ub2e4\uba74 \uc54c\ub8e8\ubbf8\ub284 \ubcd1<\/strong> \uc81c\ud488\uc744 \ud3ec\uc7a5\ud558\ub824\uba74 \uc774 \uae30\uc0ac\ub97c \uc77d\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uae30\uc0ac\uc5d0\ub294 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uacfc \uad00\ub828\ub41c \ubaa8\ub4e0 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>1. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>1.1 \uc54c\ub8e8\ubbf8\ub284 \uc18c\uac1c<\/h3>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uc6d0\uc18c\uae30\ud638 Al\uacfc \uc6d0\uc790\ubc88\ud638 13\ubc88\uc744 \uac16\ub294 \ud654\ud559\uc6d0\uc18c\uc774\ub2e4. \uc9c0\uad6c\uc758 \uaecd\uc9c8\uc5d0\uc11c \uc0b0\uc18c\uc640 \uaddc\uc18c \ub2e4\uc74c\uc73c\ub85c \uc138 \ubc88\uc9f8\ub85c \ud48d\ubd80\ud55c \uc6d0\uc18c\uc774\uba70 \uc9c0\uac01\uc5d0\uc11c \uac00\uc7a5 \ud48d\ubd80\ud55c \uae08\uc18d\uc774\ub2e4. \uc54c\ub8e8\ubbf8\ub284\uc740 \uc0c1\ub300 \ubc00\ub3c4\uac00 2.7g\/cm\u00b3\ub85c \ub9e4\uc6b0 \uac00\ubccd\uc2b5\ub2c8\ub2e4. \uc5f0\uc131, \uc804\uae30\uc804\ub3c4\uc131, \uc5f4\uc804\ub3c4\uc131, \ub0b4\uc5f4\uc131, \ub0b4\ubc29\uc0ac\uc131\uc774 \uc88b\uc544 \ud56d\uacf5, \uac74\ucd95, \uc790\ub3d9\ucc28, \uc804\uae30, \ud3ec\uc7a5 \ub4f1 \uc911\uc694\ud55c \uc0b0\uc5c5\ubd84\uc57c\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub41c\ub2e4.<\/p>
\uc7ac\ub8cc\uacf5\ud559\uc5d0\uc11c "\uc54c\ub8e8\ubbf8\ub284"\uc740 \uc54c\ub8e8\ubbf8\ub284\uc774\ub77c\ub294 \uc6d0\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \ubaa8\ub4e0 \uc7ac\ub8cc\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99% Al), \ucd08\uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99.7% Al)\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>
1.2 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>
\uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc740 \uc54c\ub8e8\ubbf8\ub284(\ub610\ub294 \uc601\uad6d\uc2dd \uc601\uc5b4\ub85c \uc54c\ub8e8\ubbf8\ub284)\uc73c\ub85c \ub9cc\ub4e0 \ubcd1\uc785\ub2c8\ub2e4.<\/p>
\uc77c\ubd80 \uad6d\uac00\uc5d0\uc11c\ub294 \ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ud50c\ub77c\uc2a4\ud06c<\/strong> \ub610\ub294 \uc54c\ub8e8 \ubcf4<\/strong>\uc791\uc740<\/strong>.<\/p>\u314f<\/b>\ub8e8\ubbf8\ub284 \ubcd1<\/strong>\u00a0\uc758 \uc720\ud615\uc785\ub2c8\ub2e4 \uae08\uc18d \ubcd1<\/strong>. 1070A \uc54c\ub8e8\ubbf8\ub284 \uc2ac\ub7ec\uadf8(99.7% Al)\ub85c \uc81c\uc791\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uc0dd\uc0b0 \uacf5\uc815\uc5d0\ub294 \ucda9\uaca9 \uc555\ucd9c, \ub0b4\ubd80 \ucf54\ud305, \uc778\uc1c4, \ub124\ud0b9 \ubc0f \uc2a4\ub808\ub4dc \ud615\uc131 \ub2e8\uacc4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\uc0ac\ub78c\ub4e4\uc774 \ud658\uacbd\uc744 \ub354 \uc758\uc2dd\ud558\uae30 \ub54c\ubb38\uc5d0 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud558\ub294 \uc544\uc774\ub514\uc5b4\uac00 \ub354 \ub300\uc911\ud654\ub418\uae30 \uc2dc\uc791\ud560 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uac00\uaca9\uc740 \uc720\ub9ac \ubcd1\uc774\ub098 \ud50c\ub77c\uc2a4\ud2f1 \ubcd1\ubcf4\ub2e4 \uc57d\uac04 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc81c \uc0ac\ub78c\ub4e4\uc774 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\ub294 \uac83\uc744 \uc120\ud638\ud560\uc9c0 \uc5ec\ubd80\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc774 \uc0dd\uae41\ub2c8\ub2e4.<\/p>
2021\ub144\uc5d0 15,000\uba85\uc758 \uc18c\ube44\uc790\ub97c \ub300\uc0c1\uc73c\ub85c \ud55c \uc124\ubb38\uc870\uc0ac\uc5d0 \ub530\ub974\uba74 57%\ub294 \ud3ec\uc7a5\uc774 \ud658\uacbd\uc5d0 \uc720\ud574\ud55c \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uc9c0 \uc54a\uc744 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \ub610\ud55c 44%\ub294 \uc720\ud574\ud55c \ud3ec\uc7a5\uc774 \uc788\ub294 \uc81c\ud488\uc758 \uad6c\ub9e4\ub97c \uac70\ubd80\ud588\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\ub294 73%\uc758 \uc0ac\ub78c\ub4e4\uc774 \ubcf4\ub2e4 \ud658\uacbd \uce5c\ud654\uc801\uc778 \ud3ec\uc7a5\uc7ac\ub97c \uad6c\ub9e4\ud560 \uac83\uc784\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub610\ud55c, 20%\ub294 \uce5c\ud658\uacbd \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uae30 \uc704\ud574 10% \uc774\uc0c1\uc744 \uc9c0\ubd88\ud560 \uc6a9\uc758\uac00 \uc788\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4.<\/p>
\uc18c\ube44\uc790\uac00 \uc2e0\uc18d\ud558\uac8c \ub610\ub294 \uc644\uc804\ud788 \uc7ac\ud65c\uc6a9\ud560 \uc218 \uc5c6\ub294 \ud3ec\uc7a5 \uc81c\ud488\uc5d0 \ub300\ud55c \ub0b4\uc131\uc744 \uc0c1\uc2e4\ud588\uae30 \ub54c\ubb38\uc5d0 \uae30\uc874\uc758 \ud50c\ub77c\uc2a4\ud2f1 \ubc0f \uc720\ub9ac\ubcd1\uc744 \ub300\uccb4\ud560 \uc218 \uc788\ub294 \uc6b0\uc218\ud55c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uad50\uccb4 \uac00\ub2a5\uc131\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>
2. \uc65c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud569\ub2c8\uae4c?<\/h2>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uac00\ubccd\uace0 \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub09c \uae08\uc18d\uc785\ub2c8\ub2e4. \uc77c\ubd80 \ubcd1\uc740 30\ub144\uc774 \uc9c0\ub09c \ud6c4\uc5d0\ub3c4 \uc5ec\uc804\ud788 \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4!\uc54c\ub8e8\ubbf8\ub284 \ubcd1 \uc0ac\uc6a9\uc744 \uace0\ub824\ud574\uc57c \ud558\ub294 7\uac00\uc9c0 \uc774\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\ubb3c\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc2b9\uc9c4 \uc120\ubb3c\uc744 \uc704\ud55c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ubd84\ub9d0\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc560\uc644 \ub3d9\ubb3c \ubc0f \ub3d9\ubb3c\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ubbf8\uc6a9 \ubc0f \uac1c\uc778 \uad00\ub9ac\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub9e5\uc8fc \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc74c\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc5d0\uc13c\uc15c \uc624\uc77c \uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc804\uc790\ub2f4\ubc30 \ubc0f CBD\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc601\uc591\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ud648 \ucf00\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc2dd\uc6a9\uc720\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub9ac\ud050\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub18d\uc5c5 \ubc0f \ube44\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\uc18c\uac1c<\/h2>
\ub2f9\uc2e0\uc774 \ucc3e\uace0 \uc788\ub2e4\uba74 \uc54c\ub8e8\ubbf8\ub284 \ubcd1<\/strong> \uc81c\ud488\uc744 \ud3ec\uc7a5\ud558\ub824\uba74 \uc774 \uae30\uc0ac\ub97c \uc77d\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uae30\uc0ac\uc5d0\ub294 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uacfc \uad00\ub828\ub41c \ubaa8\ub4e0 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>1. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>1.1 \uc54c\ub8e8\ubbf8\ub284 \uc18c\uac1c<\/h3>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uc6d0\uc18c\uae30\ud638 Al\uacfc \uc6d0\uc790\ubc88\ud638 13\ubc88\uc744 \uac16\ub294 \ud654\ud559\uc6d0\uc18c\uc774\ub2e4. \uc9c0\uad6c\uc758 \uaecd\uc9c8\uc5d0\uc11c \uc0b0\uc18c\uc640 \uaddc\uc18c \ub2e4\uc74c\uc73c\ub85c \uc138 \ubc88\uc9f8\ub85c \ud48d\ubd80\ud55c \uc6d0\uc18c\uc774\uba70 \uc9c0\uac01\uc5d0\uc11c \uac00\uc7a5 \ud48d\ubd80\ud55c \uae08\uc18d\uc774\ub2e4. \uc54c\ub8e8\ubbf8\ub284\uc740 \uc0c1\ub300 \ubc00\ub3c4\uac00 2.7g\/cm\u00b3\ub85c \ub9e4\uc6b0 \uac00\ubccd\uc2b5\ub2c8\ub2e4. \uc5f0\uc131, \uc804\uae30\uc804\ub3c4\uc131, \uc5f4\uc804\ub3c4\uc131, \ub0b4\uc5f4\uc131, \ub0b4\ubc29\uc0ac\uc131\uc774 \uc88b\uc544 \ud56d\uacf5, \uac74\ucd95, \uc790\ub3d9\ucc28, \uc804\uae30, \ud3ec\uc7a5 \ub4f1 \uc911\uc694\ud55c \uc0b0\uc5c5\ubd84\uc57c\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub41c\ub2e4.<\/p>
\uc7ac\ub8cc\uacf5\ud559\uc5d0\uc11c "\uc54c\ub8e8\ubbf8\ub284"\uc740 \uc54c\ub8e8\ubbf8\ub284\uc774\ub77c\ub294 \uc6d0\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \ubaa8\ub4e0 \uc7ac\ub8cc\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99% Al), \ucd08\uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99.7% Al)\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>
1.2 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>
\uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc740 \uc54c\ub8e8\ubbf8\ub284(\ub610\ub294 \uc601\uad6d\uc2dd \uc601\uc5b4\ub85c \uc54c\ub8e8\ubbf8\ub284)\uc73c\ub85c \ub9cc\ub4e0 \ubcd1\uc785\ub2c8\ub2e4.<\/p>
\uc77c\ubd80 \uad6d\uac00\uc5d0\uc11c\ub294 \ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ud50c\ub77c\uc2a4\ud06c<\/strong> \ub610\ub294 \uc54c\ub8e8 \ubcf4<\/strong>\uc791\uc740<\/strong>.<\/p>\u314f<\/b>\ub8e8\ubbf8\ub284 \ubcd1<\/strong>\u00a0\uc758 \uc720\ud615\uc785\ub2c8\ub2e4 \uae08\uc18d \ubcd1<\/strong>. 1070A \uc54c\ub8e8\ubbf8\ub284 \uc2ac\ub7ec\uadf8(99.7% Al)\ub85c \uc81c\uc791\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uc0dd\uc0b0 \uacf5\uc815\uc5d0\ub294 \ucda9\uaca9 \uc555\ucd9c, \ub0b4\ubd80 \ucf54\ud305, \uc778\uc1c4, \ub124\ud0b9 \ubc0f \uc2a4\ub808\ub4dc \ud615\uc131 \ub2e8\uacc4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\uc0ac\ub78c\ub4e4\uc774 \ud658\uacbd\uc744 \ub354 \uc758\uc2dd\ud558\uae30 \ub54c\ubb38\uc5d0 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud558\ub294 \uc544\uc774\ub514\uc5b4\uac00 \ub354 \ub300\uc911\ud654\ub418\uae30 \uc2dc\uc791\ud560 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uac00\uaca9\uc740 \uc720\ub9ac \ubcd1\uc774\ub098 \ud50c\ub77c\uc2a4\ud2f1 \ubcd1\ubcf4\ub2e4 \uc57d\uac04 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc81c \uc0ac\ub78c\ub4e4\uc774 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\ub294 \uac83\uc744 \uc120\ud638\ud560\uc9c0 \uc5ec\ubd80\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc774 \uc0dd\uae41\ub2c8\ub2e4.<\/p>
2021\ub144\uc5d0 15,000\uba85\uc758 \uc18c\ube44\uc790\ub97c \ub300\uc0c1\uc73c\ub85c \ud55c \uc124\ubb38\uc870\uc0ac\uc5d0 \ub530\ub974\uba74 57%\ub294 \ud3ec\uc7a5\uc774 \ud658\uacbd\uc5d0 \uc720\ud574\ud55c \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uc9c0 \uc54a\uc744 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \ub610\ud55c 44%\ub294 \uc720\ud574\ud55c \ud3ec\uc7a5\uc774 \uc788\ub294 \uc81c\ud488\uc758 \uad6c\ub9e4\ub97c \uac70\ubd80\ud588\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\ub294 73%\uc758 \uc0ac\ub78c\ub4e4\uc774 \ubcf4\ub2e4 \ud658\uacbd \uce5c\ud654\uc801\uc778 \ud3ec\uc7a5\uc7ac\ub97c \uad6c\ub9e4\ud560 \uac83\uc784\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub610\ud55c, 20%\ub294 \uce5c\ud658\uacbd \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uae30 \uc704\ud574 10% \uc774\uc0c1\uc744 \uc9c0\ubd88\ud560 \uc6a9\uc758\uac00 \uc788\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4.<\/p>
\uc18c\ube44\uc790\uac00 \uc2e0\uc18d\ud558\uac8c \ub610\ub294 \uc644\uc804\ud788 \uc7ac\ud65c\uc6a9\ud560 \uc218 \uc5c6\ub294 \ud3ec\uc7a5 \uc81c\ud488\uc5d0 \ub300\ud55c \ub0b4\uc131\uc744 \uc0c1\uc2e4\ud588\uae30 \ub54c\ubb38\uc5d0 \uae30\uc874\uc758 \ud50c\ub77c\uc2a4\ud2f1 \ubc0f \uc720\ub9ac\ubcd1\uc744 \ub300\uccb4\ud560 \uc218 \uc788\ub294 \uc6b0\uc218\ud55c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uad50\uccb4 \uac00\ub2a5\uc131\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>
2. \uc65c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud569\ub2c8\uae4c?<\/h2>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uac00\ubccd\uace0 \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub09c \uae08\uc18d\uc785\ub2c8\ub2e4. \uc77c\ubd80 \ubcd1\uc740 30\ub144\uc774 \uc9c0\ub09c \ud6c4\uc5d0\ub3c4 \uc5ec\uc804\ud788 \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4!\uc54c\ub8e8\ubbf8\ub284 \ubcd1 \uc0ac\uc6a9\uc744 \uace0\ub824\ud574\uc57c \ud558\ub294 7\uac00\uc9c0 \uc774\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\uc2b9\uc9c4 \uc120\ubb3c\uc744 \uc704\ud55c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ubd84\ub9d0\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc560\uc644 \ub3d9\ubb3c \ubc0f \ub3d9\ubb3c\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ubbf8\uc6a9 \ubc0f \uac1c\uc778 \uad00\ub9ac\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub9e5\uc8fc \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc74c\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc5d0\uc13c\uc15c \uc624\uc77c \uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc804\uc790\ub2f4\ubc30 \ubc0f CBD\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc601\uc591\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ud648 \ucf00\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc2dd\uc6a9\uc720\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub9ac\ud050\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub18d\uc5c5 \ubc0f \ube44\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\uc18c\uac1c<\/h2>
\ub2f9\uc2e0\uc774 \ucc3e\uace0 \uc788\ub2e4\uba74 \uc54c\ub8e8\ubbf8\ub284 \ubcd1<\/strong> \uc81c\ud488\uc744 \ud3ec\uc7a5\ud558\ub824\uba74 \uc774 \uae30\uc0ac\ub97c \uc77d\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uae30\uc0ac\uc5d0\ub294 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uacfc \uad00\ub828\ub41c \ubaa8\ub4e0 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>1. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>1.1 \uc54c\ub8e8\ubbf8\ub284 \uc18c\uac1c<\/h3>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uc6d0\uc18c\uae30\ud638 Al\uacfc \uc6d0\uc790\ubc88\ud638 13\ubc88\uc744 \uac16\ub294 \ud654\ud559\uc6d0\uc18c\uc774\ub2e4. \uc9c0\uad6c\uc758 \uaecd\uc9c8\uc5d0\uc11c \uc0b0\uc18c\uc640 \uaddc\uc18c \ub2e4\uc74c\uc73c\ub85c \uc138 \ubc88\uc9f8\ub85c \ud48d\ubd80\ud55c \uc6d0\uc18c\uc774\uba70 \uc9c0\uac01\uc5d0\uc11c \uac00\uc7a5 \ud48d\ubd80\ud55c \uae08\uc18d\uc774\ub2e4. \uc54c\ub8e8\ubbf8\ub284\uc740 \uc0c1\ub300 \ubc00\ub3c4\uac00 2.7g\/cm\u00b3\ub85c \ub9e4\uc6b0 \uac00\ubccd\uc2b5\ub2c8\ub2e4. \uc5f0\uc131, \uc804\uae30\uc804\ub3c4\uc131, \uc5f4\uc804\ub3c4\uc131, \ub0b4\uc5f4\uc131, \ub0b4\ubc29\uc0ac\uc131\uc774 \uc88b\uc544 \ud56d\uacf5, \uac74\ucd95, \uc790\ub3d9\ucc28, \uc804\uae30, \ud3ec\uc7a5 \ub4f1 \uc911\uc694\ud55c \uc0b0\uc5c5\ubd84\uc57c\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub41c\ub2e4.<\/p>
\uc7ac\ub8cc\uacf5\ud559\uc5d0\uc11c "\uc54c\ub8e8\ubbf8\ub284"\uc740 \uc54c\ub8e8\ubbf8\ub284\uc774\ub77c\ub294 \uc6d0\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \ubaa8\ub4e0 \uc7ac\ub8cc\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99% Al), \ucd08\uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99.7% Al)\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>
1.2 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>
\uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc740 \uc54c\ub8e8\ubbf8\ub284(\ub610\ub294 \uc601\uad6d\uc2dd \uc601\uc5b4\ub85c \uc54c\ub8e8\ubbf8\ub284)\uc73c\ub85c \ub9cc\ub4e0 \ubcd1\uc785\ub2c8\ub2e4.<\/p>
\uc77c\ubd80 \uad6d\uac00\uc5d0\uc11c\ub294 \ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ud50c\ub77c\uc2a4\ud06c<\/strong> \ub610\ub294 \uc54c\ub8e8 \ubcf4<\/strong>\uc791\uc740<\/strong>.<\/p>\u314f<\/b>\ub8e8\ubbf8\ub284 \ubcd1<\/strong>\u00a0\uc758 \uc720\ud615\uc785\ub2c8\ub2e4 \uae08\uc18d \ubcd1<\/strong>. 1070A \uc54c\ub8e8\ubbf8\ub284 \uc2ac\ub7ec\uadf8(99.7% Al)\ub85c \uc81c\uc791\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uc0dd\uc0b0 \uacf5\uc815\uc5d0\ub294 \ucda9\uaca9 \uc555\ucd9c, \ub0b4\ubd80 \ucf54\ud305, \uc778\uc1c4, \ub124\ud0b9 \ubc0f \uc2a4\ub808\ub4dc \ud615\uc131 \ub2e8\uacc4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\uc0ac\ub78c\ub4e4\uc774 \ud658\uacbd\uc744 \ub354 \uc758\uc2dd\ud558\uae30 \ub54c\ubb38\uc5d0 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud558\ub294 \uc544\uc774\ub514\uc5b4\uac00 \ub354 \ub300\uc911\ud654\ub418\uae30 \uc2dc\uc791\ud560 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uac00\uaca9\uc740 \uc720\ub9ac \ubcd1\uc774\ub098 \ud50c\ub77c\uc2a4\ud2f1 \ubcd1\ubcf4\ub2e4 \uc57d\uac04 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc81c \uc0ac\ub78c\ub4e4\uc774 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\ub294 \uac83\uc744 \uc120\ud638\ud560\uc9c0 \uc5ec\ubd80\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc774 \uc0dd\uae41\ub2c8\ub2e4.<\/p>
2021\ub144\uc5d0 15,000\uba85\uc758 \uc18c\ube44\uc790\ub97c \ub300\uc0c1\uc73c\ub85c \ud55c \uc124\ubb38\uc870\uc0ac\uc5d0 \ub530\ub974\uba74 57%\ub294 \ud3ec\uc7a5\uc774 \ud658\uacbd\uc5d0 \uc720\ud574\ud55c \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uc9c0 \uc54a\uc744 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \ub610\ud55c 44%\ub294 \uc720\ud574\ud55c \ud3ec\uc7a5\uc774 \uc788\ub294 \uc81c\ud488\uc758 \uad6c\ub9e4\ub97c \uac70\ubd80\ud588\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\ub294 73%\uc758 \uc0ac\ub78c\ub4e4\uc774 \ubcf4\ub2e4 \ud658\uacbd \uce5c\ud654\uc801\uc778 \ud3ec\uc7a5\uc7ac\ub97c \uad6c\ub9e4\ud560 \uac83\uc784\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub610\ud55c, 20%\ub294 \uce5c\ud658\uacbd \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uae30 \uc704\ud574 10% \uc774\uc0c1\uc744 \uc9c0\ubd88\ud560 \uc6a9\uc758\uac00 \uc788\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4.<\/p>
\uc18c\ube44\uc790\uac00 \uc2e0\uc18d\ud558\uac8c \ub610\ub294 \uc644\uc804\ud788 \uc7ac\ud65c\uc6a9\ud560 \uc218 \uc5c6\ub294 \ud3ec\uc7a5 \uc81c\ud488\uc5d0 \ub300\ud55c \ub0b4\uc131\uc744 \uc0c1\uc2e4\ud588\uae30 \ub54c\ubb38\uc5d0 \uae30\uc874\uc758 \ud50c\ub77c\uc2a4\ud2f1 \ubc0f \uc720\ub9ac\ubcd1\uc744 \ub300\uccb4\ud560 \uc218 \uc788\ub294 \uc6b0\uc218\ud55c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uad50\uccb4 \uac00\ub2a5\uc131\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>
2. \uc65c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud569\ub2c8\uae4c?<\/h2>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uac00\ubccd\uace0 \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub09c \uae08\uc18d\uc785\ub2c8\ub2e4. \uc77c\ubd80 \ubcd1\uc740 30\ub144\uc774 \uc9c0\ub09c \ud6c4\uc5d0\ub3c4 \uc5ec\uc804\ud788 \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4!\uc54c\ub8e8\ubbf8\ub284 \ubcd1 \uc0ac\uc6a9\uc744 \uace0\ub824\ud574\uc57c \ud558\ub294 7\uac00\uc9c0 \uc774\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\ubd84\ub9d0\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc560\uc644 \ub3d9\ubb3c \ubc0f \ub3d9\ubb3c\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ubbf8\uc6a9 \ubc0f \uac1c\uc778 \uad00\ub9ac\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub9e5\uc8fc \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc74c\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc5d0\uc13c\uc15c \uc624\uc77c \uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc804\uc790\ub2f4\ubc30 \ubc0f CBD\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc601\uc591\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ud648 \ucf00\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc2dd\uc6a9\uc720\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub9ac\ud050\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub18d\uc5c5 \ubc0f \ube44\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\uc18c\uac1c<\/h2>
\ub2f9\uc2e0\uc774 \ucc3e\uace0 \uc788\ub2e4\uba74 \uc54c\ub8e8\ubbf8\ub284 \ubcd1<\/strong> \uc81c\ud488\uc744 \ud3ec\uc7a5\ud558\ub824\uba74 \uc774 \uae30\uc0ac\ub97c \uc77d\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uae30\uc0ac\uc5d0\ub294 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uacfc \uad00\ub828\ub41c \ubaa8\ub4e0 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>1. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>1.1 \uc54c\ub8e8\ubbf8\ub284 \uc18c\uac1c<\/h3>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uc6d0\uc18c\uae30\ud638 Al\uacfc \uc6d0\uc790\ubc88\ud638 13\ubc88\uc744 \uac16\ub294 \ud654\ud559\uc6d0\uc18c\uc774\ub2e4. \uc9c0\uad6c\uc758 \uaecd\uc9c8\uc5d0\uc11c \uc0b0\uc18c\uc640 \uaddc\uc18c \ub2e4\uc74c\uc73c\ub85c \uc138 \ubc88\uc9f8\ub85c \ud48d\ubd80\ud55c \uc6d0\uc18c\uc774\uba70 \uc9c0\uac01\uc5d0\uc11c \uac00\uc7a5 \ud48d\ubd80\ud55c \uae08\uc18d\uc774\ub2e4. \uc54c\ub8e8\ubbf8\ub284\uc740 \uc0c1\ub300 \ubc00\ub3c4\uac00 2.7g\/cm\u00b3\ub85c \ub9e4\uc6b0 \uac00\ubccd\uc2b5\ub2c8\ub2e4. \uc5f0\uc131, \uc804\uae30\uc804\ub3c4\uc131, \uc5f4\uc804\ub3c4\uc131, \ub0b4\uc5f4\uc131, \ub0b4\ubc29\uc0ac\uc131\uc774 \uc88b\uc544 \ud56d\uacf5, \uac74\ucd95, \uc790\ub3d9\ucc28, \uc804\uae30, \ud3ec\uc7a5 \ub4f1 \uc911\uc694\ud55c \uc0b0\uc5c5\ubd84\uc57c\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub41c\ub2e4.<\/p>
\uc7ac\ub8cc\uacf5\ud559\uc5d0\uc11c "\uc54c\ub8e8\ubbf8\ub284"\uc740 \uc54c\ub8e8\ubbf8\ub284\uc774\ub77c\ub294 \uc6d0\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \ubaa8\ub4e0 \uc7ac\ub8cc\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99% Al), \ucd08\uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99.7% Al)\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>
1.2 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>
\uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc740 \uc54c\ub8e8\ubbf8\ub284(\ub610\ub294 \uc601\uad6d\uc2dd \uc601\uc5b4\ub85c \uc54c\ub8e8\ubbf8\ub284)\uc73c\ub85c \ub9cc\ub4e0 \ubcd1\uc785\ub2c8\ub2e4.<\/p>
\uc77c\ubd80 \uad6d\uac00\uc5d0\uc11c\ub294 \ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ud50c\ub77c\uc2a4\ud06c<\/strong> \ub610\ub294 \uc54c\ub8e8 \ubcf4<\/strong>\uc791\uc740<\/strong>.<\/p>\u314f<\/b>\ub8e8\ubbf8\ub284 \ubcd1<\/strong>\u00a0\uc758 \uc720\ud615\uc785\ub2c8\ub2e4 \uae08\uc18d \ubcd1<\/strong>. 1070A \uc54c\ub8e8\ubbf8\ub284 \uc2ac\ub7ec\uadf8(99.7% Al)\ub85c \uc81c\uc791\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uc0dd\uc0b0 \uacf5\uc815\uc5d0\ub294 \ucda9\uaca9 \uc555\ucd9c, \ub0b4\ubd80 \ucf54\ud305, \uc778\uc1c4, \ub124\ud0b9 \ubc0f \uc2a4\ub808\ub4dc \ud615\uc131 \ub2e8\uacc4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\uc0ac\ub78c\ub4e4\uc774 \ud658\uacbd\uc744 \ub354 \uc758\uc2dd\ud558\uae30 \ub54c\ubb38\uc5d0 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud558\ub294 \uc544\uc774\ub514\uc5b4\uac00 \ub354 \ub300\uc911\ud654\ub418\uae30 \uc2dc\uc791\ud560 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uac00\uaca9\uc740 \uc720\ub9ac \ubcd1\uc774\ub098 \ud50c\ub77c\uc2a4\ud2f1 \ubcd1\ubcf4\ub2e4 \uc57d\uac04 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc81c \uc0ac\ub78c\ub4e4\uc774 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\ub294 \uac83\uc744 \uc120\ud638\ud560\uc9c0 \uc5ec\ubd80\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc774 \uc0dd\uae41\ub2c8\ub2e4.<\/p>
2021\ub144\uc5d0 15,000\uba85\uc758 \uc18c\ube44\uc790\ub97c \ub300\uc0c1\uc73c\ub85c \ud55c \uc124\ubb38\uc870\uc0ac\uc5d0 \ub530\ub974\uba74 57%\ub294 \ud3ec\uc7a5\uc774 \ud658\uacbd\uc5d0 \uc720\ud574\ud55c \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uc9c0 \uc54a\uc744 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \ub610\ud55c 44%\ub294 \uc720\ud574\ud55c \ud3ec\uc7a5\uc774 \uc788\ub294 \uc81c\ud488\uc758 \uad6c\ub9e4\ub97c \uac70\ubd80\ud588\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\ub294 73%\uc758 \uc0ac\ub78c\ub4e4\uc774 \ubcf4\ub2e4 \ud658\uacbd \uce5c\ud654\uc801\uc778 \ud3ec\uc7a5\uc7ac\ub97c \uad6c\ub9e4\ud560 \uac83\uc784\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub610\ud55c, 20%\ub294 \uce5c\ud658\uacbd \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uae30 \uc704\ud574 10% \uc774\uc0c1\uc744 \uc9c0\ubd88\ud560 \uc6a9\uc758\uac00 \uc788\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4.<\/p>
\uc18c\ube44\uc790\uac00 \uc2e0\uc18d\ud558\uac8c \ub610\ub294 \uc644\uc804\ud788 \uc7ac\ud65c\uc6a9\ud560 \uc218 \uc5c6\ub294 \ud3ec\uc7a5 \uc81c\ud488\uc5d0 \ub300\ud55c \ub0b4\uc131\uc744 \uc0c1\uc2e4\ud588\uae30 \ub54c\ubb38\uc5d0 \uae30\uc874\uc758 \ud50c\ub77c\uc2a4\ud2f1 \ubc0f \uc720\ub9ac\ubcd1\uc744 \ub300\uccb4\ud560 \uc218 \uc788\ub294 \uc6b0\uc218\ud55c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uad50\uccb4 \uac00\ub2a5\uc131\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>
2. \uc65c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud569\ub2c8\uae4c?<\/h2>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uac00\ubccd\uace0 \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub09c \uae08\uc18d\uc785\ub2c8\ub2e4. \uc77c\ubd80 \ubcd1\uc740 30\ub144\uc774 \uc9c0\ub09c \ud6c4\uc5d0\ub3c4 \uc5ec\uc804\ud788 \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4!\uc54c\ub8e8\ubbf8\ub284 \ubcd1 \uc0ac\uc6a9\uc744 \uace0\ub824\ud574\uc57c \ud558\ub294 7\uac00\uc9c0 \uc774\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\uc560\uc644 \ub3d9\ubb3c \ubc0f \ub3d9\ubb3c\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ubbf8\uc6a9 \ubc0f \uac1c\uc778 \uad00\ub9ac\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub9e5\uc8fc \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc74c\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc5d0\uc13c\uc15c \uc624\uc77c \uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc804\uc790\ub2f4\ubc30 \ubc0f CBD\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc601\uc591\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ud648 \ucf00\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc2dd\uc6a9\uc720\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub9ac\ud050\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub18d\uc5c5 \ubc0f \ube44\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\uc18c\uac1c<\/h2>
\ub2f9\uc2e0\uc774 \ucc3e\uace0 \uc788\ub2e4\uba74 \uc54c\ub8e8\ubbf8\ub284 \ubcd1<\/strong> \uc81c\ud488\uc744 \ud3ec\uc7a5\ud558\ub824\uba74 \uc774 \uae30\uc0ac\ub97c \uc77d\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uae30\uc0ac\uc5d0\ub294 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uacfc \uad00\ub828\ub41c \ubaa8\ub4e0 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>1. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>1.1 \uc54c\ub8e8\ubbf8\ub284 \uc18c\uac1c<\/h3>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uc6d0\uc18c\uae30\ud638 Al\uacfc \uc6d0\uc790\ubc88\ud638 13\ubc88\uc744 \uac16\ub294 \ud654\ud559\uc6d0\uc18c\uc774\ub2e4. \uc9c0\uad6c\uc758 \uaecd\uc9c8\uc5d0\uc11c \uc0b0\uc18c\uc640 \uaddc\uc18c \ub2e4\uc74c\uc73c\ub85c \uc138 \ubc88\uc9f8\ub85c \ud48d\ubd80\ud55c \uc6d0\uc18c\uc774\uba70 \uc9c0\uac01\uc5d0\uc11c \uac00\uc7a5 \ud48d\ubd80\ud55c \uae08\uc18d\uc774\ub2e4. \uc54c\ub8e8\ubbf8\ub284\uc740 \uc0c1\ub300 \ubc00\ub3c4\uac00 2.7g\/cm\u00b3\ub85c \ub9e4\uc6b0 \uac00\ubccd\uc2b5\ub2c8\ub2e4. \uc5f0\uc131, \uc804\uae30\uc804\ub3c4\uc131, \uc5f4\uc804\ub3c4\uc131, \ub0b4\uc5f4\uc131, \ub0b4\ubc29\uc0ac\uc131\uc774 \uc88b\uc544 \ud56d\uacf5, \uac74\ucd95, \uc790\ub3d9\ucc28, \uc804\uae30, \ud3ec\uc7a5 \ub4f1 \uc911\uc694\ud55c \uc0b0\uc5c5\ubd84\uc57c\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub41c\ub2e4.<\/p>
\uc7ac\ub8cc\uacf5\ud559\uc5d0\uc11c "\uc54c\ub8e8\ubbf8\ub284"\uc740 \uc54c\ub8e8\ubbf8\ub284\uc774\ub77c\ub294 \uc6d0\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \ubaa8\ub4e0 \uc7ac\ub8cc\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99% Al), \ucd08\uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99.7% Al)\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>
1.2 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>
\uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc740 \uc54c\ub8e8\ubbf8\ub284(\ub610\ub294 \uc601\uad6d\uc2dd \uc601\uc5b4\ub85c \uc54c\ub8e8\ubbf8\ub284)\uc73c\ub85c \ub9cc\ub4e0 \ubcd1\uc785\ub2c8\ub2e4.<\/p>
\uc77c\ubd80 \uad6d\uac00\uc5d0\uc11c\ub294 \ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ud50c\ub77c\uc2a4\ud06c<\/strong> \ub610\ub294 \uc54c\ub8e8 \ubcf4<\/strong>\uc791\uc740<\/strong>.<\/p>\u314f<\/b>\ub8e8\ubbf8\ub284 \ubcd1<\/strong>\u00a0\uc758 \uc720\ud615\uc785\ub2c8\ub2e4 \uae08\uc18d \ubcd1<\/strong>. 1070A \uc54c\ub8e8\ubbf8\ub284 \uc2ac\ub7ec\uadf8(99.7% Al)\ub85c \uc81c\uc791\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uc0dd\uc0b0 \uacf5\uc815\uc5d0\ub294 \ucda9\uaca9 \uc555\ucd9c, \ub0b4\ubd80 \ucf54\ud305, \uc778\uc1c4, \ub124\ud0b9 \ubc0f \uc2a4\ub808\ub4dc \ud615\uc131 \ub2e8\uacc4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\uc0ac\ub78c\ub4e4\uc774 \ud658\uacbd\uc744 \ub354 \uc758\uc2dd\ud558\uae30 \ub54c\ubb38\uc5d0 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud558\ub294 \uc544\uc774\ub514\uc5b4\uac00 \ub354 \ub300\uc911\ud654\ub418\uae30 \uc2dc\uc791\ud560 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uac00\uaca9\uc740 \uc720\ub9ac \ubcd1\uc774\ub098 \ud50c\ub77c\uc2a4\ud2f1 \ubcd1\ubcf4\ub2e4 \uc57d\uac04 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc81c \uc0ac\ub78c\ub4e4\uc774 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\ub294 \uac83\uc744 \uc120\ud638\ud560\uc9c0 \uc5ec\ubd80\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc774 \uc0dd\uae41\ub2c8\ub2e4.<\/p>
2021\ub144\uc5d0 15,000\uba85\uc758 \uc18c\ube44\uc790\ub97c \ub300\uc0c1\uc73c\ub85c \ud55c \uc124\ubb38\uc870\uc0ac\uc5d0 \ub530\ub974\uba74 57%\ub294 \ud3ec\uc7a5\uc774 \ud658\uacbd\uc5d0 \uc720\ud574\ud55c \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uc9c0 \uc54a\uc744 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \ub610\ud55c 44%\ub294 \uc720\ud574\ud55c \ud3ec\uc7a5\uc774 \uc788\ub294 \uc81c\ud488\uc758 \uad6c\ub9e4\ub97c \uac70\ubd80\ud588\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\ub294 73%\uc758 \uc0ac\ub78c\ub4e4\uc774 \ubcf4\ub2e4 \ud658\uacbd \uce5c\ud654\uc801\uc778 \ud3ec\uc7a5\uc7ac\ub97c \uad6c\ub9e4\ud560 \uac83\uc784\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub610\ud55c, 20%\ub294 \uce5c\ud658\uacbd \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uae30 \uc704\ud574 10% \uc774\uc0c1\uc744 \uc9c0\ubd88\ud560 \uc6a9\uc758\uac00 \uc788\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4.<\/p>
\uc18c\ube44\uc790\uac00 \uc2e0\uc18d\ud558\uac8c \ub610\ub294 \uc644\uc804\ud788 \uc7ac\ud65c\uc6a9\ud560 \uc218 \uc5c6\ub294 \ud3ec\uc7a5 \uc81c\ud488\uc5d0 \ub300\ud55c \ub0b4\uc131\uc744 \uc0c1\uc2e4\ud588\uae30 \ub54c\ubb38\uc5d0 \uae30\uc874\uc758 \ud50c\ub77c\uc2a4\ud2f1 \ubc0f \uc720\ub9ac\ubcd1\uc744 \ub300\uccb4\ud560 \uc218 \uc788\ub294 \uc6b0\uc218\ud55c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uad50\uccb4 \uac00\ub2a5\uc131\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>
2. \uc65c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud569\ub2c8\uae4c?<\/h2>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uac00\ubccd\uace0 \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub09c \uae08\uc18d\uc785\ub2c8\ub2e4. \uc77c\ubd80 \ubcd1\uc740 30\ub144\uc774 \uc9c0\ub09c \ud6c4\uc5d0\ub3c4 \uc5ec\uc804\ud788 \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4!\uc54c\ub8e8\ubbf8\ub284 \ubcd1 \uc0ac\uc6a9\uc744 \uace0\ub824\ud574\uc57c \ud558\ub294 7\uac00\uc9c0 \uc774\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\ubbf8\uc6a9 \ubc0f \uac1c\uc778 \uad00\ub9ac\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub9e5\uc8fc \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc74c\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc5d0\uc13c\uc15c \uc624\uc77c \uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc804\uc790\ub2f4\ubc30 \ubc0f CBD\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc601\uc591\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ud648 \ucf00\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc2dd\uc6a9\uc720\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub9ac\ud050\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub18d\uc5c5 \ubc0f \ube44\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\uc18c\uac1c<\/h2>
\ub2f9\uc2e0\uc774 \ucc3e\uace0 \uc788\ub2e4\uba74 \uc54c\ub8e8\ubbf8\ub284 \ubcd1<\/strong> \uc81c\ud488\uc744 \ud3ec\uc7a5\ud558\ub824\uba74 \uc774 \uae30\uc0ac\ub97c \uc77d\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uae30\uc0ac\uc5d0\ub294 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uacfc \uad00\ub828\ub41c \ubaa8\ub4e0 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>1. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>1.1 \uc54c\ub8e8\ubbf8\ub284 \uc18c\uac1c<\/h3>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uc6d0\uc18c\uae30\ud638 Al\uacfc \uc6d0\uc790\ubc88\ud638 13\ubc88\uc744 \uac16\ub294 \ud654\ud559\uc6d0\uc18c\uc774\ub2e4. \uc9c0\uad6c\uc758 \uaecd\uc9c8\uc5d0\uc11c \uc0b0\uc18c\uc640 \uaddc\uc18c \ub2e4\uc74c\uc73c\ub85c \uc138 \ubc88\uc9f8\ub85c \ud48d\ubd80\ud55c \uc6d0\uc18c\uc774\uba70 \uc9c0\uac01\uc5d0\uc11c \uac00\uc7a5 \ud48d\ubd80\ud55c \uae08\uc18d\uc774\ub2e4. \uc54c\ub8e8\ubbf8\ub284\uc740 \uc0c1\ub300 \ubc00\ub3c4\uac00 2.7g\/cm\u00b3\ub85c \ub9e4\uc6b0 \uac00\ubccd\uc2b5\ub2c8\ub2e4. \uc5f0\uc131, \uc804\uae30\uc804\ub3c4\uc131, \uc5f4\uc804\ub3c4\uc131, \ub0b4\uc5f4\uc131, \ub0b4\ubc29\uc0ac\uc131\uc774 \uc88b\uc544 \ud56d\uacf5, \uac74\ucd95, \uc790\ub3d9\ucc28, \uc804\uae30, \ud3ec\uc7a5 \ub4f1 \uc911\uc694\ud55c \uc0b0\uc5c5\ubd84\uc57c\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub41c\ub2e4.<\/p>
\uc7ac\ub8cc\uacf5\ud559\uc5d0\uc11c "\uc54c\ub8e8\ubbf8\ub284"\uc740 \uc54c\ub8e8\ubbf8\ub284\uc774\ub77c\ub294 \uc6d0\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \ubaa8\ub4e0 \uc7ac\ub8cc\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99% Al), \ucd08\uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99.7% Al)\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>
1.2 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>
\uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc740 \uc54c\ub8e8\ubbf8\ub284(\ub610\ub294 \uc601\uad6d\uc2dd \uc601\uc5b4\ub85c \uc54c\ub8e8\ubbf8\ub284)\uc73c\ub85c \ub9cc\ub4e0 \ubcd1\uc785\ub2c8\ub2e4.<\/p>
\uc77c\ubd80 \uad6d\uac00\uc5d0\uc11c\ub294 \ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ud50c\ub77c\uc2a4\ud06c<\/strong> \ub610\ub294 \uc54c\ub8e8 \ubcf4<\/strong>\uc791\uc740<\/strong>.<\/p>\u314f<\/b>\ub8e8\ubbf8\ub284 \ubcd1<\/strong>\u00a0\uc758 \uc720\ud615\uc785\ub2c8\ub2e4 \uae08\uc18d \ubcd1<\/strong>. 1070A \uc54c\ub8e8\ubbf8\ub284 \uc2ac\ub7ec\uadf8(99.7% Al)\ub85c \uc81c\uc791\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uc0dd\uc0b0 \uacf5\uc815\uc5d0\ub294 \ucda9\uaca9 \uc555\ucd9c, \ub0b4\ubd80 \ucf54\ud305, \uc778\uc1c4, \ub124\ud0b9 \ubc0f \uc2a4\ub808\ub4dc \ud615\uc131 \ub2e8\uacc4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\uc0ac\ub78c\ub4e4\uc774 \ud658\uacbd\uc744 \ub354 \uc758\uc2dd\ud558\uae30 \ub54c\ubb38\uc5d0 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud558\ub294 \uc544\uc774\ub514\uc5b4\uac00 \ub354 \ub300\uc911\ud654\ub418\uae30 \uc2dc\uc791\ud560 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uac00\uaca9\uc740 \uc720\ub9ac \ubcd1\uc774\ub098 \ud50c\ub77c\uc2a4\ud2f1 \ubcd1\ubcf4\ub2e4 \uc57d\uac04 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc81c \uc0ac\ub78c\ub4e4\uc774 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\ub294 \uac83\uc744 \uc120\ud638\ud560\uc9c0 \uc5ec\ubd80\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc774 \uc0dd\uae41\ub2c8\ub2e4.<\/p>
2021\ub144\uc5d0 15,000\uba85\uc758 \uc18c\ube44\uc790\ub97c \ub300\uc0c1\uc73c\ub85c \ud55c \uc124\ubb38\uc870\uc0ac\uc5d0 \ub530\ub974\uba74 57%\ub294 \ud3ec\uc7a5\uc774 \ud658\uacbd\uc5d0 \uc720\ud574\ud55c \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uc9c0 \uc54a\uc744 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \ub610\ud55c 44%\ub294 \uc720\ud574\ud55c \ud3ec\uc7a5\uc774 \uc788\ub294 \uc81c\ud488\uc758 \uad6c\ub9e4\ub97c \uac70\ubd80\ud588\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\ub294 73%\uc758 \uc0ac\ub78c\ub4e4\uc774 \ubcf4\ub2e4 \ud658\uacbd \uce5c\ud654\uc801\uc778 \ud3ec\uc7a5\uc7ac\ub97c \uad6c\ub9e4\ud560 \uac83\uc784\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub610\ud55c, 20%\ub294 \uce5c\ud658\uacbd \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uae30 \uc704\ud574 10% \uc774\uc0c1\uc744 \uc9c0\ubd88\ud560 \uc6a9\uc758\uac00 \uc788\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4.<\/p>
\uc18c\ube44\uc790\uac00 \uc2e0\uc18d\ud558\uac8c \ub610\ub294 \uc644\uc804\ud788 \uc7ac\ud65c\uc6a9\ud560 \uc218 \uc5c6\ub294 \ud3ec\uc7a5 \uc81c\ud488\uc5d0 \ub300\ud55c \ub0b4\uc131\uc744 \uc0c1\uc2e4\ud588\uae30 \ub54c\ubb38\uc5d0 \uae30\uc874\uc758 \ud50c\ub77c\uc2a4\ud2f1 \ubc0f \uc720\ub9ac\ubcd1\uc744 \ub300\uccb4\ud560 \uc218 \uc788\ub294 \uc6b0\uc218\ud55c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uad50\uccb4 \uac00\ub2a5\uc131\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>
2. \uc65c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud569\ub2c8\uae4c?<\/h2>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uac00\ubccd\uace0 \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub09c \uae08\uc18d\uc785\ub2c8\ub2e4. \uc77c\ubd80 \ubcd1\uc740 30\ub144\uc774 \uc9c0\ub09c \ud6c4\uc5d0\ub3c4 \uc5ec\uc804\ud788 \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4!\uc54c\ub8e8\ubbf8\ub284 \ubcd1 \uc0ac\uc6a9\uc744 \uace0\ub824\ud574\uc57c \ud558\ub294 7\uac00\uc9c0 \uc774\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\ub9e5\uc8fc \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc74c\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc5d0\uc13c\uc15c \uc624\uc77c \uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc804\uc790\ub2f4\ubc30 \ubc0f CBD\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc601\uc591\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ud648 \ucf00\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc2dd\uc6a9\uc720\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub9ac\ud050\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub18d\uc5c5 \ubc0f \ube44\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\uc18c\uac1c<\/h2>
\ub2f9\uc2e0\uc774 \ucc3e\uace0 \uc788\ub2e4\uba74 \uc54c\ub8e8\ubbf8\ub284 \ubcd1<\/strong> \uc81c\ud488\uc744 \ud3ec\uc7a5\ud558\ub824\uba74 \uc774 \uae30\uc0ac\ub97c \uc77d\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uae30\uc0ac\uc5d0\ub294 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uacfc \uad00\ub828\ub41c \ubaa8\ub4e0 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>1. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>1.1 \uc54c\ub8e8\ubbf8\ub284 \uc18c\uac1c<\/h3>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uc6d0\uc18c\uae30\ud638 Al\uacfc \uc6d0\uc790\ubc88\ud638 13\ubc88\uc744 \uac16\ub294 \ud654\ud559\uc6d0\uc18c\uc774\ub2e4. \uc9c0\uad6c\uc758 \uaecd\uc9c8\uc5d0\uc11c \uc0b0\uc18c\uc640 \uaddc\uc18c \ub2e4\uc74c\uc73c\ub85c \uc138 \ubc88\uc9f8\ub85c \ud48d\ubd80\ud55c \uc6d0\uc18c\uc774\uba70 \uc9c0\uac01\uc5d0\uc11c \uac00\uc7a5 \ud48d\ubd80\ud55c \uae08\uc18d\uc774\ub2e4. \uc54c\ub8e8\ubbf8\ub284\uc740 \uc0c1\ub300 \ubc00\ub3c4\uac00 2.7g\/cm\u00b3\ub85c \ub9e4\uc6b0 \uac00\ubccd\uc2b5\ub2c8\ub2e4. \uc5f0\uc131, \uc804\uae30\uc804\ub3c4\uc131, \uc5f4\uc804\ub3c4\uc131, \ub0b4\uc5f4\uc131, \ub0b4\ubc29\uc0ac\uc131\uc774 \uc88b\uc544 \ud56d\uacf5, \uac74\ucd95, \uc790\ub3d9\ucc28, \uc804\uae30, \ud3ec\uc7a5 \ub4f1 \uc911\uc694\ud55c \uc0b0\uc5c5\ubd84\uc57c\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub41c\ub2e4.<\/p>
\uc7ac\ub8cc\uacf5\ud559\uc5d0\uc11c "\uc54c\ub8e8\ubbf8\ub284"\uc740 \uc54c\ub8e8\ubbf8\ub284\uc774\ub77c\ub294 \uc6d0\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \ubaa8\ub4e0 \uc7ac\ub8cc\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99% Al), \ucd08\uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99.7% Al)\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>
1.2 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>
\uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc740 \uc54c\ub8e8\ubbf8\ub284(\ub610\ub294 \uc601\uad6d\uc2dd \uc601\uc5b4\ub85c \uc54c\ub8e8\ubbf8\ub284)\uc73c\ub85c \ub9cc\ub4e0 \ubcd1\uc785\ub2c8\ub2e4.<\/p>
\uc77c\ubd80 \uad6d\uac00\uc5d0\uc11c\ub294 \ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ud50c\ub77c\uc2a4\ud06c<\/strong> \ub610\ub294 \uc54c\ub8e8 \ubcf4<\/strong>\uc791\uc740<\/strong>.<\/p>\u314f<\/b>\ub8e8\ubbf8\ub284 \ubcd1<\/strong>\u00a0\uc758 \uc720\ud615\uc785\ub2c8\ub2e4 \uae08\uc18d \ubcd1<\/strong>. 1070A \uc54c\ub8e8\ubbf8\ub284 \uc2ac\ub7ec\uadf8(99.7% Al)\ub85c \uc81c\uc791\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uc0dd\uc0b0 \uacf5\uc815\uc5d0\ub294 \ucda9\uaca9 \uc555\ucd9c, \ub0b4\ubd80 \ucf54\ud305, \uc778\uc1c4, \ub124\ud0b9 \ubc0f \uc2a4\ub808\ub4dc \ud615\uc131 \ub2e8\uacc4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\uc0ac\ub78c\ub4e4\uc774 \ud658\uacbd\uc744 \ub354 \uc758\uc2dd\ud558\uae30 \ub54c\ubb38\uc5d0 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud558\ub294 \uc544\uc774\ub514\uc5b4\uac00 \ub354 \ub300\uc911\ud654\ub418\uae30 \uc2dc\uc791\ud560 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uac00\uaca9\uc740 \uc720\ub9ac \ubcd1\uc774\ub098 \ud50c\ub77c\uc2a4\ud2f1 \ubcd1\ubcf4\ub2e4 \uc57d\uac04 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc81c \uc0ac\ub78c\ub4e4\uc774 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\ub294 \uac83\uc744 \uc120\ud638\ud560\uc9c0 \uc5ec\ubd80\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc774 \uc0dd\uae41\ub2c8\ub2e4.<\/p>
2021\ub144\uc5d0 15,000\uba85\uc758 \uc18c\ube44\uc790\ub97c \ub300\uc0c1\uc73c\ub85c \ud55c \uc124\ubb38\uc870\uc0ac\uc5d0 \ub530\ub974\uba74 57%\ub294 \ud3ec\uc7a5\uc774 \ud658\uacbd\uc5d0 \uc720\ud574\ud55c \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uc9c0 \uc54a\uc744 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \ub610\ud55c 44%\ub294 \uc720\ud574\ud55c \ud3ec\uc7a5\uc774 \uc788\ub294 \uc81c\ud488\uc758 \uad6c\ub9e4\ub97c \uac70\ubd80\ud588\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\ub294 73%\uc758 \uc0ac\ub78c\ub4e4\uc774 \ubcf4\ub2e4 \ud658\uacbd \uce5c\ud654\uc801\uc778 \ud3ec\uc7a5\uc7ac\ub97c \uad6c\ub9e4\ud560 \uac83\uc784\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub610\ud55c, 20%\ub294 \uce5c\ud658\uacbd \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uae30 \uc704\ud574 10% \uc774\uc0c1\uc744 \uc9c0\ubd88\ud560 \uc6a9\uc758\uac00 \uc788\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4.<\/p>
\uc18c\ube44\uc790\uac00 \uc2e0\uc18d\ud558\uac8c \ub610\ub294 \uc644\uc804\ud788 \uc7ac\ud65c\uc6a9\ud560 \uc218 \uc5c6\ub294 \ud3ec\uc7a5 \uc81c\ud488\uc5d0 \ub300\ud55c \ub0b4\uc131\uc744 \uc0c1\uc2e4\ud588\uae30 \ub54c\ubb38\uc5d0 \uae30\uc874\uc758 \ud50c\ub77c\uc2a4\ud2f1 \ubc0f \uc720\ub9ac\ubcd1\uc744 \ub300\uccb4\ud560 \uc218 \uc788\ub294 \uc6b0\uc218\ud55c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uad50\uccb4 \uac00\ub2a5\uc131\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>
2. \uc65c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud569\ub2c8\uae4c?<\/h2>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uac00\ubccd\uace0 \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub09c \uae08\uc18d\uc785\ub2c8\ub2e4. \uc77c\ubd80 \ubcd1\uc740 30\ub144\uc774 \uc9c0\ub09c \ud6c4\uc5d0\ub3c4 \uc5ec\uc804\ud788 \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4!\uc54c\ub8e8\ubbf8\ub284 \ubcd1 \uc0ac\uc6a9\uc744 \uace0\ub824\ud574\uc57c \ud558\ub294 7\uac00\uc9c0 \uc774\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\uc74c\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc5d0\uc13c\uc15c \uc624\uc77c \uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc804\uc790\ub2f4\ubc30 \ubc0f CBD\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc601\uc591\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ud648 \ucf00\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc2dd\uc6a9\uc720\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub9ac\ud050\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub18d\uc5c5 \ubc0f \ube44\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\uc18c\uac1c<\/h2>
\ub2f9\uc2e0\uc774 \ucc3e\uace0 \uc788\ub2e4\uba74 \uc54c\ub8e8\ubbf8\ub284 \ubcd1<\/strong> \uc81c\ud488\uc744 \ud3ec\uc7a5\ud558\ub824\uba74 \uc774 \uae30\uc0ac\ub97c \uc77d\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uae30\uc0ac\uc5d0\ub294 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uacfc \uad00\ub828\ub41c \ubaa8\ub4e0 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>1. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>1.1 \uc54c\ub8e8\ubbf8\ub284 \uc18c\uac1c<\/h3>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uc6d0\uc18c\uae30\ud638 Al\uacfc \uc6d0\uc790\ubc88\ud638 13\ubc88\uc744 \uac16\ub294 \ud654\ud559\uc6d0\uc18c\uc774\ub2e4. \uc9c0\uad6c\uc758 \uaecd\uc9c8\uc5d0\uc11c \uc0b0\uc18c\uc640 \uaddc\uc18c \ub2e4\uc74c\uc73c\ub85c \uc138 \ubc88\uc9f8\ub85c \ud48d\ubd80\ud55c \uc6d0\uc18c\uc774\uba70 \uc9c0\uac01\uc5d0\uc11c \uac00\uc7a5 \ud48d\ubd80\ud55c \uae08\uc18d\uc774\ub2e4. \uc54c\ub8e8\ubbf8\ub284\uc740 \uc0c1\ub300 \ubc00\ub3c4\uac00 2.7g\/cm\u00b3\ub85c \ub9e4\uc6b0 \uac00\ubccd\uc2b5\ub2c8\ub2e4. \uc5f0\uc131, \uc804\uae30\uc804\ub3c4\uc131, \uc5f4\uc804\ub3c4\uc131, \ub0b4\uc5f4\uc131, \ub0b4\ubc29\uc0ac\uc131\uc774 \uc88b\uc544 \ud56d\uacf5, \uac74\ucd95, \uc790\ub3d9\ucc28, \uc804\uae30, \ud3ec\uc7a5 \ub4f1 \uc911\uc694\ud55c \uc0b0\uc5c5\ubd84\uc57c\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub41c\ub2e4.<\/p>
\uc7ac\ub8cc\uacf5\ud559\uc5d0\uc11c "\uc54c\ub8e8\ubbf8\ub284"\uc740 \uc54c\ub8e8\ubbf8\ub284\uc774\ub77c\ub294 \uc6d0\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \ubaa8\ub4e0 \uc7ac\ub8cc\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99% Al), \ucd08\uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99.7% Al)\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>
1.2 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>
\uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc740 \uc54c\ub8e8\ubbf8\ub284(\ub610\ub294 \uc601\uad6d\uc2dd \uc601\uc5b4\ub85c \uc54c\ub8e8\ubbf8\ub284)\uc73c\ub85c \ub9cc\ub4e0 \ubcd1\uc785\ub2c8\ub2e4.<\/p>
\uc77c\ubd80 \uad6d\uac00\uc5d0\uc11c\ub294 \ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ud50c\ub77c\uc2a4\ud06c<\/strong> \ub610\ub294 \uc54c\ub8e8 \ubcf4<\/strong>\uc791\uc740<\/strong>.<\/p>\u314f<\/b>\ub8e8\ubbf8\ub284 \ubcd1<\/strong>\u00a0\uc758 \uc720\ud615\uc785\ub2c8\ub2e4 \uae08\uc18d \ubcd1<\/strong>. 1070A \uc54c\ub8e8\ubbf8\ub284 \uc2ac\ub7ec\uadf8(99.7% Al)\ub85c \uc81c\uc791\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uc0dd\uc0b0 \uacf5\uc815\uc5d0\ub294 \ucda9\uaca9 \uc555\ucd9c, \ub0b4\ubd80 \ucf54\ud305, \uc778\uc1c4, \ub124\ud0b9 \ubc0f \uc2a4\ub808\ub4dc \ud615\uc131 \ub2e8\uacc4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\uc0ac\ub78c\ub4e4\uc774 \ud658\uacbd\uc744 \ub354 \uc758\uc2dd\ud558\uae30 \ub54c\ubb38\uc5d0 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud558\ub294 \uc544\uc774\ub514\uc5b4\uac00 \ub354 \ub300\uc911\ud654\ub418\uae30 \uc2dc\uc791\ud560 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uac00\uaca9\uc740 \uc720\ub9ac \ubcd1\uc774\ub098 \ud50c\ub77c\uc2a4\ud2f1 \ubcd1\ubcf4\ub2e4 \uc57d\uac04 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc81c \uc0ac\ub78c\ub4e4\uc774 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\ub294 \uac83\uc744 \uc120\ud638\ud560\uc9c0 \uc5ec\ubd80\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc774 \uc0dd\uae41\ub2c8\ub2e4.<\/p>
2021\ub144\uc5d0 15,000\uba85\uc758 \uc18c\ube44\uc790\ub97c \ub300\uc0c1\uc73c\ub85c \ud55c \uc124\ubb38\uc870\uc0ac\uc5d0 \ub530\ub974\uba74 57%\ub294 \ud3ec\uc7a5\uc774 \ud658\uacbd\uc5d0 \uc720\ud574\ud55c \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uc9c0 \uc54a\uc744 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \ub610\ud55c 44%\ub294 \uc720\ud574\ud55c \ud3ec\uc7a5\uc774 \uc788\ub294 \uc81c\ud488\uc758 \uad6c\ub9e4\ub97c \uac70\ubd80\ud588\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\ub294 73%\uc758 \uc0ac\ub78c\ub4e4\uc774 \ubcf4\ub2e4 \ud658\uacbd \uce5c\ud654\uc801\uc778 \ud3ec\uc7a5\uc7ac\ub97c \uad6c\ub9e4\ud560 \uac83\uc784\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub610\ud55c, 20%\ub294 \uce5c\ud658\uacbd \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uae30 \uc704\ud574 10% \uc774\uc0c1\uc744 \uc9c0\ubd88\ud560 \uc6a9\uc758\uac00 \uc788\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4.<\/p>
\uc18c\ube44\uc790\uac00 \uc2e0\uc18d\ud558\uac8c \ub610\ub294 \uc644\uc804\ud788 \uc7ac\ud65c\uc6a9\ud560 \uc218 \uc5c6\ub294 \ud3ec\uc7a5 \uc81c\ud488\uc5d0 \ub300\ud55c \ub0b4\uc131\uc744 \uc0c1\uc2e4\ud588\uae30 \ub54c\ubb38\uc5d0 \uae30\uc874\uc758 \ud50c\ub77c\uc2a4\ud2f1 \ubc0f \uc720\ub9ac\ubcd1\uc744 \ub300\uccb4\ud560 \uc218 \uc788\ub294 \uc6b0\uc218\ud55c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uad50\uccb4 \uac00\ub2a5\uc131\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>
2. \uc65c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud569\ub2c8\uae4c?<\/h2>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uac00\ubccd\uace0 \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub09c \uae08\uc18d\uc785\ub2c8\ub2e4. \uc77c\ubd80 \ubcd1\uc740 30\ub144\uc774 \uc9c0\ub09c \ud6c4\uc5d0\ub3c4 \uc5ec\uc804\ud788 \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4!\uc54c\ub8e8\ubbf8\ub284 \ubcd1 \uc0ac\uc6a9\uc744 \uace0\ub824\ud574\uc57c \ud558\ub294 7\uac00\uc9c0 \uc774\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\uc5d0\uc13c\uc15c \uc624\uc77c \uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc804\uc790\ub2f4\ubc30 \ubc0f CBD\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc601\uc591\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ud648 \ucf00\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc2dd\uc6a9\uc720\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub9ac\ud050\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub18d\uc5c5 \ubc0f \ube44\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\uc18c\uac1c<\/h2>
\ub2f9\uc2e0\uc774 \ucc3e\uace0 \uc788\ub2e4\uba74 \uc54c\ub8e8\ubbf8\ub284 \ubcd1<\/strong> \uc81c\ud488\uc744 \ud3ec\uc7a5\ud558\ub824\uba74 \uc774 \uae30\uc0ac\ub97c \uc77d\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uae30\uc0ac\uc5d0\ub294 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uacfc \uad00\ub828\ub41c \ubaa8\ub4e0 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>1. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>1.1 \uc54c\ub8e8\ubbf8\ub284 \uc18c\uac1c<\/h3>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uc6d0\uc18c\uae30\ud638 Al\uacfc \uc6d0\uc790\ubc88\ud638 13\ubc88\uc744 \uac16\ub294 \ud654\ud559\uc6d0\uc18c\uc774\ub2e4. \uc9c0\uad6c\uc758 \uaecd\uc9c8\uc5d0\uc11c \uc0b0\uc18c\uc640 \uaddc\uc18c \ub2e4\uc74c\uc73c\ub85c \uc138 \ubc88\uc9f8\ub85c \ud48d\ubd80\ud55c \uc6d0\uc18c\uc774\uba70 \uc9c0\uac01\uc5d0\uc11c \uac00\uc7a5 \ud48d\ubd80\ud55c \uae08\uc18d\uc774\ub2e4. \uc54c\ub8e8\ubbf8\ub284\uc740 \uc0c1\ub300 \ubc00\ub3c4\uac00 2.7g\/cm\u00b3\ub85c \ub9e4\uc6b0 \uac00\ubccd\uc2b5\ub2c8\ub2e4. \uc5f0\uc131, \uc804\uae30\uc804\ub3c4\uc131, \uc5f4\uc804\ub3c4\uc131, \ub0b4\uc5f4\uc131, \ub0b4\ubc29\uc0ac\uc131\uc774 \uc88b\uc544 \ud56d\uacf5, \uac74\ucd95, \uc790\ub3d9\ucc28, \uc804\uae30, \ud3ec\uc7a5 \ub4f1 \uc911\uc694\ud55c \uc0b0\uc5c5\ubd84\uc57c\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub41c\ub2e4.<\/p>
\uc7ac\ub8cc\uacf5\ud559\uc5d0\uc11c "\uc54c\ub8e8\ubbf8\ub284"\uc740 \uc54c\ub8e8\ubbf8\ub284\uc774\ub77c\ub294 \uc6d0\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \ubaa8\ub4e0 \uc7ac\ub8cc\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99% Al), \ucd08\uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99.7% Al)\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>
1.2 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>
\uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc740 \uc54c\ub8e8\ubbf8\ub284(\ub610\ub294 \uc601\uad6d\uc2dd \uc601\uc5b4\ub85c \uc54c\ub8e8\ubbf8\ub284)\uc73c\ub85c \ub9cc\ub4e0 \ubcd1\uc785\ub2c8\ub2e4.<\/p>
\uc77c\ubd80 \uad6d\uac00\uc5d0\uc11c\ub294 \ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ud50c\ub77c\uc2a4\ud06c<\/strong> \ub610\ub294 \uc54c\ub8e8 \ubcf4<\/strong>\uc791\uc740<\/strong>.<\/p>\u314f<\/b>\ub8e8\ubbf8\ub284 \ubcd1<\/strong>\u00a0\uc758 \uc720\ud615\uc785\ub2c8\ub2e4 \uae08\uc18d \ubcd1<\/strong>. 1070A \uc54c\ub8e8\ubbf8\ub284 \uc2ac\ub7ec\uadf8(99.7% Al)\ub85c \uc81c\uc791\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uc0dd\uc0b0 \uacf5\uc815\uc5d0\ub294 \ucda9\uaca9 \uc555\ucd9c, \ub0b4\ubd80 \ucf54\ud305, \uc778\uc1c4, \ub124\ud0b9 \ubc0f \uc2a4\ub808\ub4dc \ud615\uc131 \ub2e8\uacc4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\uc0ac\ub78c\ub4e4\uc774 \ud658\uacbd\uc744 \ub354 \uc758\uc2dd\ud558\uae30 \ub54c\ubb38\uc5d0 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud558\ub294 \uc544\uc774\ub514\uc5b4\uac00 \ub354 \ub300\uc911\ud654\ub418\uae30 \uc2dc\uc791\ud560 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uac00\uaca9\uc740 \uc720\ub9ac \ubcd1\uc774\ub098 \ud50c\ub77c\uc2a4\ud2f1 \ubcd1\ubcf4\ub2e4 \uc57d\uac04 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc81c \uc0ac\ub78c\ub4e4\uc774 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\ub294 \uac83\uc744 \uc120\ud638\ud560\uc9c0 \uc5ec\ubd80\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc774 \uc0dd\uae41\ub2c8\ub2e4.<\/p>
2021\ub144\uc5d0 15,000\uba85\uc758 \uc18c\ube44\uc790\ub97c \ub300\uc0c1\uc73c\ub85c \ud55c \uc124\ubb38\uc870\uc0ac\uc5d0 \ub530\ub974\uba74 57%\ub294 \ud3ec\uc7a5\uc774 \ud658\uacbd\uc5d0 \uc720\ud574\ud55c \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uc9c0 \uc54a\uc744 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \ub610\ud55c 44%\ub294 \uc720\ud574\ud55c \ud3ec\uc7a5\uc774 \uc788\ub294 \uc81c\ud488\uc758 \uad6c\ub9e4\ub97c \uac70\ubd80\ud588\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\ub294 73%\uc758 \uc0ac\ub78c\ub4e4\uc774 \ubcf4\ub2e4 \ud658\uacbd \uce5c\ud654\uc801\uc778 \ud3ec\uc7a5\uc7ac\ub97c \uad6c\ub9e4\ud560 \uac83\uc784\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub610\ud55c, 20%\ub294 \uce5c\ud658\uacbd \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uae30 \uc704\ud574 10% \uc774\uc0c1\uc744 \uc9c0\ubd88\ud560 \uc6a9\uc758\uac00 \uc788\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4.<\/p>
\uc18c\ube44\uc790\uac00 \uc2e0\uc18d\ud558\uac8c \ub610\ub294 \uc644\uc804\ud788 \uc7ac\ud65c\uc6a9\ud560 \uc218 \uc5c6\ub294 \ud3ec\uc7a5 \uc81c\ud488\uc5d0 \ub300\ud55c \ub0b4\uc131\uc744 \uc0c1\uc2e4\ud588\uae30 \ub54c\ubb38\uc5d0 \uae30\uc874\uc758 \ud50c\ub77c\uc2a4\ud2f1 \ubc0f \uc720\ub9ac\ubcd1\uc744 \ub300\uccb4\ud560 \uc218 \uc788\ub294 \uc6b0\uc218\ud55c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uad50\uccb4 \uac00\ub2a5\uc131\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>
2. \uc65c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud569\ub2c8\uae4c?<\/h2>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uac00\ubccd\uace0 \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub09c \uae08\uc18d\uc785\ub2c8\ub2e4. \uc77c\ubd80 \ubcd1\uc740 30\ub144\uc774 \uc9c0\ub09c \ud6c4\uc5d0\ub3c4 \uc5ec\uc804\ud788 \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4!\uc54c\ub8e8\ubbf8\ub284 \ubcd1 \uc0ac\uc6a9\uc744 \uace0\ub824\ud574\uc57c \ud558\ub294 7\uac00\uc9c0 \uc774\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\uc804\uc790\ub2f4\ubc30 \ubc0f CBD\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc601\uc591\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ud648 \ucf00\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc2dd\uc6a9\uc720\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub9ac\ud050\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub18d\uc5c5 \ubc0f \ube44\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\uc18c\uac1c<\/h2>
\ub2f9\uc2e0\uc774 \ucc3e\uace0 \uc788\ub2e4\uba74 \uc54c\ub8e8\ubbf8\ub284 \ubcd1<\/strong> \uc81c\ud488\uc744 \ud3ec\uc7a5\ud558\ub824\uba74 \uc774 \uae30\uc0ac\ub97c \uc77d\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uae30\uc0ac\uc5d0\ub294 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uacfc \uad00\ub828\ub41c \ubaa8\ub4e0 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>1. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>1.1 \uc54c\ub8e8\ubbf8\ub284 \uc18c\uac1c<\/h3>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uc6d0\uc18c\uae30\ud638 Al\uacfc \uc6d0\uc790\ubc88\ud638 13\ubc88\uc744 \uac16\ub294 \ud654\ud559\uc6d0\uc18c\uc774\ub2e4. \uc9c0\uad6c\uc758 \uaecd\uc9c8\uc5d0\uc11c \uc0b0\uc18c\uc640 \uaddc\uc18c \ub2e4\uc74c\uc73c\ub85c \uc138 \ubc88\uc9f8\ub85c \ud48d\ubd80\ud55c \uc6d0\uc18c\uc774\uba70 \uc9c0\uac01\uc5d0\uc11c \uac00\uc7a5 \ud48d\ubd80\ud55c \uae08\uc18d\uc774\ub2e4. \uc54c\ub8e8\ubbf8\ub284\uc740 \uc0c1\ub300 \ubc00\ub3c4\uac00 2.7g\/cm\u00b3\ub85c \ub9e4\uc6b0 \uac00\ubccd\uc2b5\ub2c8\ub2e4. \uc5f0\uc131, \uc804\uae30\uc804\ub3c4\uc131, \uc5f4\uc804\ub3c4\uc131, \ub0b4\uc5f4\uc131, \ub0b4\ubc29\uc0ac\uc131\uc774 \uc88b\uc544 \ud56d\uacf5, \uac74\ucd95, \uc790\ub3d9\ucc28, \uc804\uae30, \ud3ec\uc7a5 \ub4f1 \uc911\uc694\ud55c \uc0b0\uc5c5\ubd84\uc57c\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub41c\ub2e4.<\/p>
\uc7ac\ub8cc\uacf5\ud559\uc5d0\uc11c "\uc54c\ub8e8\ubbf8\ub284"\uc740 \uc54c\ub8e8\ubbf8\ub284\uc774\ub77c\ub294 \uc6d0\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \ubaa8\ub4e0 \uc7ac\ub8cc\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99% Al), \ucd08\uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99.7% Al)\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>
1.2 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>
\uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc740 \uc54c\ub8e8\ubbf8\ub284(\ub610\ub294 \uc601\uad6d\uc2dd \uc601\uc5b4\ub85c \uc54c\ub8e8\ubbf8\ub284)\uc73c\ub85c \ub9cc\ub4e0 \ubcd1\uc785\ub2c8\ub2e4.<\/p>
\uc77c\ubd80 \uad6d\uac00\uc5d0\uc11c\ub294 \ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ud50c\ub77c\uc2a4\ud06c<\/strong> \ub610\ub294 \uc54c\ub8e8 \ubcf4<\/strong>\uc791\uc740<\/strong>.<\/p>\u314f<\/b>\ub8e8\ubbf8\ub284 \ubcd1<\/strong>\u00a0\uc758 \uc720\ud615\uc785\ub2c8\ub2e4 \uae08\uc18d \ubcd1<\/strong>. 1070A \uc54c\ub8e8\ubbf8\ub284 \uc2ac\ub7ec\uadf8(99.7% Al)\ub85c \uc81c\uc791\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uc0dd\uc0b0 \uacf5\uc815\uc5d0\ub294 \ucda9\uaca9 \uc555\ucd9c, \ub0b4\ubd80 \ucf54\ud305, \uc778\uc1c4, \ub124\ud0b9 \ubc0f \uc2a4\ub808\ub4dc \ud615\uc131 \ub2e8\uacc4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\uc0ac\ub78c\ub4e4\uc774 \ud658\uacbd\uc744 \ub354 \uc758\uc2dd\ud558\uae30 \ub54c\ubb38\uc5d0 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud558\ub294 \uc544\uc774\ub514\uc5b4\uac00 \ub354 \ub300\uc911\ud654\ub418\uae30 \uc2dc\uc791\ud560 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uac00\uaca9\uc740 \uc720\ub9ac \ubcd1\uc774\ub098 \ud50c\ub77c\uc2a4\ud2f1 \ubcd1\ubcf4\ub2e4 \uc57d\uac04 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc81c \uc0ac\ub78c\ub4e4\uc774 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\ub294 \uac83\uc744 \uc120\ud638\ud560\uc9c0 \uc5ec\ubd80\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc774 \uc0dd\uae41\ub2c8\ub2e4.<\/p>
2021\ub144\uc5d0 15,000\uba85\uc758 \uc18c\ube44\uc790\ub97c \ub300\uc0c1\uc73c\ub85c \ud55c \uc124\ubb38\uc870\uc0ac\uc5d0 \ub530\ub974\uba74 57%\ub294 \ud3ec\uc7a5\uc774 \ud658\uacbd\uc5d0 \uc720\ud574\ud55c \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uc9c0 \uc54a\uc744 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \ub610\ud55c 44%\ub294 \uc720\ud574\ud55c \ud3ec\uc7a5\uc774 \uc788\ub294 \uc81c\ud488\uc758 \uad6c\ub9e4\ub97c \uac70\ubd80\ud588\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\ub294 73%\uc758 \uc0ac\ub78c\ub4e4\uc774 \ubcf4\ub2e4 \ud658\uacbd \uce5c\ud654\uc801\uc778 \ud3ec\uc7a5\uc7ac\ub97c \uad6c\ub9e4\ud560 \uac83\uc784\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub610\ud55c, 20%\ub294 \uce5c\ud658\uacbd \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uae30 \uc704\ud574 10% \uc774\uc0c1\uc744 \uc9c0\ubd88\ud560 \uc6a9\uc758\uac00 \uc788\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4.<\/p>
\uc18c\ube44\uc790\uac00 \uc2e0\uc18d\ud558\uac8c \ub610\ub294 \uc644\uc804\ud788 \uc7ac\ud65c\uc6a9\ud560 \uc218 \uc5c6\ub294 \ud3ec\uc7a5 \uc81c\ud488\uc5d0 \ub300\ud55c \ub0b4\uc131\uc744 \uc0c1\uc2e4\ud588\uae30 \ub54c\ubb38\uc5d0 \uae30\uc874\uc758 \ud50c\ub77c\uc2a4\ud2f1 \ubc0f \uc720\ub9ac\ubcd1\uc744 \ub300\uccb4\ud560 \uc218 \uc788\ub294 \uc6b0\uc218\ud55c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uad50\uccb4 \uac00\ub2a5\uc131\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>
2. \uc65c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud569\ub2c8\uae4c?<\/h2>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uac00\ubccd\uace0 \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub09c \uae08\uc18d\uc785\ub2c8\ub2e4. \uc77c\ubd80 \ubcd1\uc740 30\ub144\uc774 \uc9c0\ub09c \ud6c4\uc5d0\ub3c4 \uc5ec\uc804\ud788 \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4!\uc54c\ub8e8\ubbf8\ub284 \ubcd1 \uc0ac\uc6a9\uc744 \uace0\ub824\ud574\uc57c \ud558\ub294 7\uac00\uc9c0 \uc774\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\uc601\uc591\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ud648 \ucf00\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc2dd\uc6a9\uc720\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub9ac\ud050\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub18d\uc5c5 \ubc0f \ube44\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\uc18c\uac1c<\/h2>
\ub2f9\uc2e0\uc774 \ucc3e\uace0 \uc788\ub2e4\uba74 \uc54c\ub8e8\ubbf8\ub284 \ubcd1<\/strong> \uc81c\ud488\uc744 \ud3ec\uc7a5\ud558\ub824\uba74 \uc774 \uae30\uc0ac\ub97c \uc77d\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uae30\uc0ac\uc5d0\ub294 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uacfc \uad00\ub828\ub41c \ubaa8\ub4e0 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>1. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>1.1 \uc54c\ub8e8\ubbf8\ub284 \uc18c\uac1c<\/h3>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uc6d0\uc18c\uae30\ud638 Al\uacfc \uc6d0\uc790\ubc88\ud638 13\ubc88\uc744 \uac16\ub294 \ud654\ud559\uc6d0\uc18c\uc774\ub2e4. \uc9c0\uad6c\uc758 \uaecd\uc9c8\uc5d0\uc11c \uc0b0\uc18c\uc640 \uaddc\uc18c \ub2e4\uc74c\uc73c\ub85c \uc138 \ubc88\uc9f8\ub85c \ud48d\ubd80\ud55c \uc6d0\uc18c\uc774\uba70 \uc9c0\uac01\uc5d0\uc11c \uac00\uc7a5 \ud48d\ubd80\ud55c \uae08\uc18d\uc774\ub2e4. \uc54c\ub8e8\ubbf8\ub284\uc740 \uc0c1\ub300 \ubc00\ub3c4\uac00 2.7g\/cm\u00b3\ub85c \ub9e4\uc6b0 \uac00\ubccd\uc2b5\ub2c8\ub2e4. \uc5f0\uc131, \uc804\uae30\uc804\ub3c4\uc131, \uc5f4\uc804\ub3c4\uc131, \ub0b4\uc5f4\uc131, \ub0b4\ubc29\uc0ac\uc131\uc774 \uc88b\uc544 \ud56d\uacf5, \uac74\ucd95, \uc790\ub3d9\ucc28, \uc804\uae30, \ud3ec\uc7a5 \ub4f1 \uc911\uc694\ud55c \uc0b0\uc5c5\ubd84\uc57c\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub41c\ub2e4.<\/p>
\uc7ac\ub8cc\uacf5\ud559\uc5d0\uc11c "\uc54c\ub8e8\ubbf8\ub284"\uc740 \uc54c\ub8e8\ubbf8\ub284\uc774\ub77c\ub294 \uc6d0\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \ubaa8\ub4e0 \uc7ac\ub8cc\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99% Al), \ucd08\uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99.7% Al)\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>
1.2 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>
\uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc740 \uc54c\ub8e8\ubbf8\ub284(\ub610\ub294 \uc601\uad6d\uc2dd \uc601\uc5b4\ub85c \uc54c\ub8e8\ubbf8\ub284)\uc73c\ub85c \ub9cc\ub4e0 \ubcd1\uc785\ub2c8\ub2e4.<\/p>
\uc77c\ubd80 \uad6d\uac00\uc5d0\uc11c\ub294 \ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ud50c\ub77c\uc2a4\ud06c<\/strong> \ub610\ub294 \uc54c\ub8e8 \ubcf4<\/strong>\uc791\uc740<\/strong>.<\/p>\u314f<\/b>\ub8e8\ubbf8\ub284 \ubcd1<\/strong>\u00a0\uc758 \uc720\ud615\uc785\ub2c8\ub2e4 \uae08\uc18d \ubcd1<\/strong>. 1070A \uc54c\ub8e8\ubbf8\ub284 \uc2ac\ub7ec\uadf8(99.7% Al)\ub85c \uc81c\uc791\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uc0dd\uc0b0 \uacf5\uc815\uc5d0\ub294 \ucda9\uaca9 \uc555\ucd9c, \ub0b4\ubd80 \ucf54\ud305, \uc778\uc1c4, \ub124\ud0b9 \ubc0f \uc2a4\ub808\ub4dc \ud615\uc131 \ub2e8\uacc4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\uc0ac\ub78c\ub4e4\uc774 \ud658\uacbd\uc744 \ub354 \uc758\uc2dd\ud558\uae30 \ub54c\ubb38\uc5d0 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud558\ub294 \uc544\uc774\ub514\uc5b4\uac00 \ub354 \ub300\uc911\ud654\ub418\uae30 \uc2dc\uc791\ud560 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uac00\uaca9\uc740 \uc720\ub9ac \ubcd1\uc774\ub098 \ud50c\ub77c\uc2a4\ud2f1 \ubcd1\ubcf4\ub2e4 \uc57d\uac04 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc81c \uc0ac\ub78c\ub4e4\uc774 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\ub294 \uac83\uc744 \uc120\ud638\ud560\uc9c0 \uc5ec\ubd80\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc774 \uc0dd\uae41\ub2c8\ub2e4.<\/p>
2021\ub144\uc5d0 15,000\uba85\uc758 \uc18c\ube44\uc790\ub97c \ub300\uc0c1\uc73c\ub85c \ud55c \uc124\ubb38\uc870\uc0ac\uc5d0 \ub530\ub974\uba74 57%\ub294 \ud3ec\uc7a5\uc774 \ud658\uacbd\uc5d0 \uc720\ud574\ud55c \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uc9c0 \uc54a\uc744 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \ub610\ud55c 44%\ub294 \uc720\ud574\ud55c \ud3ec\uc7a5\uc774 \uc788\ub294 \uc81c\ud488\uc758 \uad6c\ub9e4\ub97c \uac70\ubd80\ud588\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\ub294 73%\uc758 \uc0ac\ub78c\ub4e4\uc774 \ubcf4\ub2e4 \ud658\uacbd \uce5c\ud654\uc801\uc778 \ud3ec\uc7a5\uc7ac\ub97c \uad6c\ub9e4\ud560 \uac83\uc784\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub610\ud55c, 20%\ub294 \uce5c\ud658\uacbd \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uae30 \uc704\ud574 10% \uc774\uc0c1\uc744 \uc9c0\ubd88\ud560 \uc6a9\uc758\uac00 \uc788\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4.<\/p>
\uc18c\ube44\uc790\uac00 \uc2e0\uc18d\ud558\uac8c \ub610\ub294 \uc644\uc804\ud788 \uc7ac\ud65c\uc6a9\ud560 \uc218 \uc5c6\ub294 \ud3ec\uc7a5 \uc81c\ud488\uc5d0 \ub300\ud55c \ub0b4\uc131\uc744 \uc0c1\uc2e4\ud588\uae30 \ub54c\ubb38\uc5d0 \uae30\uc874\uc758 \ud50c\ub77c\uc2a4\ud2f1 \ubc0f \uc720\ub9ac\ubcd1\uc744 \ub300\uccb4\ud560 \uc218 \uc788\ub294 \uc6b0\uc218\ud55c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uad50\uccb4 \uac00\ub2a5\uc131\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>
2. \uc65c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud569\ub2c8\uae4c?<\/h2>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uac00\ubccd\uace0 \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub09c \uae08\uc18d\uc785\ub2c8\ub2e4. \uc77c\ubd80 \ubcd1\uc740 30\ub144\uc774 \uc9c0\ub09c \ud6c4\uc5d0\ub3c4 \uc5ec\uc804\ud788 \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4!\uc54c\ub8e8\ubbf8\ub284 \ubcd1 \uc0ac\uc6a9\uc744 \uace0\ub824\ud574\uc57c \ud558\ub294 7\uac00\uc9c0 \uc774\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\ud648 \ucf00\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\uc2dd\uc6a9\uc720\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub9ac\ud050\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub18d\uc5c5 \ubc0f \ube44\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\uc18c\uac1c<\/h2>
\ub2f9\uc2e0\uc774 \ucc3e\uace0 \uc788\ub2e4\uba74 \uc54c\ub8e8\ubbf8\ub284 \ubcd1<\/strong> \uc81c\ud488\uc744 \ud3ec\uc7a5\ud558\ub824\uba74 \uc774 \uae30\uc0ac\ub97c \uc77d\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uae30\uc0ac\uc5d0\ub294 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uacfc \uad00\ub828\ub41c \ubaa8\ub4e0 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>1. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>1.1 \uc54c\ub8e8\ubbf8\ub284 \uc18c\uac1c<\/h3>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uc6d0\uc18c\uae30\ud638 Al\uacfc \uc6d0\uc790\ubc88\ud638 13\ubc88\uc744 \uac16\ub294 \ud654\ud559\uc6d0\uc18c\uc774\ub2e4. \uc9c0\uad6c\uc758 \uaecd\uc9c8\uc5d0\uc11c \uc0b0\uc18c\uc640 \uaddc\uc18c \ub2e4\uc74c\uc73c\ub85c \uc138 \ubc88\uc9f8\ub85c \ud48d\ubd80\ud55c \uc6d0\uc18c\uc774\uba70 \uc9c0\uac01\uc5d0\uc11c \uac00\uc7a5 \ud48d\ubd80\ud55c \uae08\uc18d\uc774\ub2e4. \uc54c\ub8e8\ubbf8\ub284\uc740 \uc0c1\ub300 \ubc00\ub3c4\uac00 2.7g\/cm\u00b3\ub85c \ub9e4\uc6b0 \uac00\ubccd\uc2b5\ub2c8\ub2e4. \uc5f0\uc131, \uc804\uae30\uc804\ub3c4\uc131, \uc5f4\uc804\ub3c4\uc131, \ub0b4\uc5f4\uc131, \ub0b4\ubc29\uc0ac\uc131\uc774 \uc88b\uc544 \ud56d\uacf5, \uac74\ucd95, \uc790\ub3d9\ucc28, \uc804\uae30, \ud3ec\uc7a5 \ub4f1 \uc911\uc694\ud55c \uc0b0\uc5c5\ubd84\uc57c\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub41c\ub2e4.<\/p>
\uc7ac\ub8cc\uacf5\ud559\uc5d0\uc11c "\uc54c\ub8e8\ubbf8\ub284"\uc740 \uc54c\ub8e8\ubbf8\ub284\uc774\ub77c\ub294 \uc6d0\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \ubaa8\ub4e0 \uc7ac\ub8cc\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99% Al), \ucd08\uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99.7% Al)\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>
1.2 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>
\uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc740 \uc54c\ub8e8\ubbf8\ub284(\ub610\ub294 \uc601\uad6d\uc2dd \uc601\uc5b4\ub85c \uc54c\ub8e8\ubbf8\ub284)\uc73c\ub85c \ub9cc\ub4e0 \ubcd1\uc785\ub2c8\ub2e4.<\/p>
\uc77c\ubd80 \uad6d\uac00\uc5d0\uc11c\ub294 \ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ud50c\ub77c\uc2a4\ud06c<\/strong> \ub610\ub294 \uc54c\ub8e8 \ubcf4<\/strong>\uc791\uc740<\/strong>.<\/p>\u314f<\/b>\ub8e8\ubbf8\ub284 \ubcd1<\/strong>\u00a0\uc758 \uc720\ud615\uc785\ub2c8\ub2e4 \uae08\uc18d \ubcd1<\/strong>. 1070A \uc54c\ub8e8\ubbf8\ub284 \uc2ac\ub7ec\uadf8(99.7% Al)\ub85c \uc81c\uc791\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uc0dd\uc0b0 \uacf5\uc815\uc5d0\ub294 \ucda9\uaca9 \uc555\ucd9c, \ub0b4\ubd80 \ucf54\ud305, \uc778\uc1c4, \ub124\ud0b9 \ubc0f \uc2a4\ub808\ub4dc \ud615\uc131 \ub2e8\uacc4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\uc0ac\ub78c\ub4e4\uc774 \ud658\uacbd\uc744 \ub354 \uc758\uc2dd\ud558\uae30 \ub54c\ubb38\uc5d0 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud558\ub294 \uc544\uc774\ub514\uc5b4\uac00 \ub354 \ub300\uc911\ud654\ub418\uae30 \uc2dc\uc791\ud560 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uac00\uaca9\uc740 \uc720\ub9ac \ubcd1\uc774\ub098 \ud50c\ub77c\uc2a4\ud2f1 \ubcd1\ubcf4\ub2e4 \uc57d\uac04 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc81c \uc0ac\ub78c\ub4e4\uc774 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\ub294 \uac83\uc744 \uc120\ud638\ud560\uc9c0 \uc5ec\ubd80\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc774 \uc0dd\uae41\ub2c8\ub2e4.<\/p>
2021\ub144\uc5d0 15,000\uba85\uc758 \uc18c\ube44\uc790\ub97c \ub300\uc0c1\uc73c\ub85c \ud55c \uc124\ubb38\uc870\uc0ac\uc5d0 \ub530\ub974\uba74 57%\ub294 \ud3ec\uc7a5\uc774 \ud658\uacbd\uc5d0 \uc720\ud574\ud55c \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uc9c0 \uc54a\uc744 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \ub610\ud55c 44%\ub294 \uc720\ud574\ud55c \ud3ec\uc7a5\uc774 \uc788\ub294 \uc81c\ud488\uc758 \uad6c\ub9e4\ub97c \uac70\ubd80\ud588\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\ub294 73%\uc758 \uc0ac\ub78c\ub4e4\uc774 \ubcf4\ub2e4 \ud658\uacbd \uce5c\ud654\uc801\uc778 \ud3ec\uc7a5\uc7ac\ub97c \uad6c\ub9e4\ud560 \uac83\uc784\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub610\ud55c, 20%\ub294 \uce5c\ud658\uacbd \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uae30 \uc704\ud574 10% \uc774\uc0c1\uc744 \uc9c0\ubd88\ud560 \uc6a9\uc758\uac00 \uc788\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4.<\/p>
\uc18c\ube44\uc790\uac00 \uc2e0\uc18d\ud558\uac8c \ub610\ub294 \uc644\uc804\ud788 \uc7ac\ud65c\uc6a9\ud560 \uc218 \uc5c6\ub294 \ud3ec\uc7a5 \uc81c\ud488\uc5d0 \ub300\ud55c \ub0b4\uc131\uc744 \uc0c1\uc2e4\ud588\uae30 \ub54c\ubb38\uc5d0 \uae30\uc874\uc758 \ud50c\ub77c\uc2a4\ud2f1 \ubc0f \uc720\ub9ac\ubcd1\uc744 \ub300\uccb4\ud560 \uc218 \uc788\ub294 \uc6b0\uc218\ud55c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uad50\uccb4 \uac00\ub2a5\uc131\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>
2. \uc65c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud569\ub2c8\uae4c?<\/h2>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uac00\ubccd\uace0 \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub09c \uae08\uc18d\uc785\ub2c8\ub2e4. \uc77c\ubd80 \ubcd1\uc740 30\ub144\uc774 \uc9c0\ub09c \ud6c4\uc5d0\ub3c4 \uc5ec\uc804\ud788 \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4!\uc54c\ub8e8\ubbf8\ub284 \ubcd1 \uc0ac\uc6a9\uc744 \uace0\ub824\ud574\uc57c \ud558\ub294 7\uac00\uc9c0 \uc774\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\uc2dd\uc6a9\uc720\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub9ac\ud050\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub18d\uc5c5 \ubc0f \ube44\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\uc18c\uac1c<\/h2>
\ub2f9\uc2e0\uc774 \ucc3e\uace0 \uc788\ub2e4\uba74 \uc54c\ub8e8\ubbf8\ub284 \ubcd1<\/strong> \uc81c\ud488\uc744 \ud3ec\uc7a5\ud558\ub824\uba74 \uc774 \uae30\uc0ac\ub97c \uc77d\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uae30\uc0ac\uc5d0\ub294 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uacfc \uad00\ub828\ub41c \ubaa8\ub4e0 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>1. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>1.1 \uc54c\ub8e8\ubbf8\ub284 \uc18c\uac1c<\/h3>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uc6d0\uc18c\uae30\ud638 Al\uacfc \uc6d0\uc790\ubc88\ud638 13\ubc88\uc744 \uac16\ub294 \ud654\ud559\uc6d0\uc18c\uc774\ub2e4. \uc9c0\uad6c\uc758 \uaecd\uc9c8\uc5d0\uc11c \uc0b0\uc18c\uc640 \uaddc\uc18c \ub2e4\uc74c\uc73c\ub85c \uc138 \ubc88\uc9f8\ub85c \ud48d\ubd80\ud55c \uc6d0\uc18c\uc774\uba70 \uc9c0\uac01\uc5d0\uc11c \uac00\uc7a5 \ud48d\ubd80\ud55c \uae08\uc18d\uc774\ub2e4. \uc54c\ub8e8\ubbf8\ub284\uc740 \uc0c1\ub300 \ubc00\ub3c4\uac00 2.7g\/cm\u00b3\ub85c \ub9e4\uc6b0 \uac00\ubccd\uc2b5\ub2c8\ub2e4. \uc5f0\uc131, \uc804\uae30\uc804\ub3c4\uc131, \uc5f4\uc804\ub3c4\uc131, \ub0b4\uc5f4\uc131, \ub0b4\ubc29\uc0ac\uc131\uc774 \uc88b\uc544 \ud56d\uacf5, \uac74\ucd95, \uc790\ub3d9\ucc28, \uc804\uae30, \ud3ec\uc7a5 \ub4f1 \uc911\uc694\ud55c \uc0b0\uc5c5\ubd84\uc57c\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub41c\ub2e4.<\/p>
\uc7ac\ub8cc\uacf5\ud559\uc5d0\uc11c "\uc54c\ub8e8\ubbf8\ub284"\uc740 \uc54c\ub8e8\ubbf8\ub284\uc774\ub77c\ub294 \uc6d0\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \ubaa8\ub4e0 \uc7ac\ub8cc\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99% Al), \ucd08\uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99.7% Al)\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>
1.2 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>
\uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc740 \uc54c\ub8e8\ubbf8\ub284(\ub610\ub294 \uc601\uad6d\uc2dd \uc601\uc5b4\ub85c \uc54c\ub8e8\ubbf8\ub284)\uc73c\ub85c \ub9cc\ub4e0 \ubcd1\uc785\ub2c8\ub2e4.<\/p>
\uc77c\ubd80 \uad6d\uac00\uc5d0\uc11c\ub294 \ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ud50c\ub77c\uc2a4\ud06c<\/strong> \ub610\ub294 \uc54c\ub8e8 \ubcf4<\/strong>\uc791\uc740<\/strong>.<\/p>\u314f<\/b>\ub8e8\ubbf8\ub284 \ubcd1<\/strong>\u00a0\uc758 \uc720\ud615\uc785\ub2c8\ub2e4 \uae08\uc18d \ubcd1<\/strong>. 1070A \uc54c\ub8e8\ubbf8\ub284 \uc2ac\ub7ec\uadf8(99.7% Al)\ub85c \uc81c\uc791\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uc0dd\uc0b0 \uacf5\uc815\uc5d0\ub294 \ucda9\uaca9 \uc555\ucd9c, \ub0b4\ubd80 \ucf54\ud305, \uc778\uc1c4, \ub124\ud0b9 \ubc0f \uc2a4\ub808\ub4dc \ud615\uc131 \ub2e8\uacc4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\uc0ac\ub78c\ub4e4\uc774 \ud658\uacbd\uc744 \ub354 \uc758\uc2dd\ud558\uae30 \ub54c\ubb38\uc5d0 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud558\ub294 \uc544\uc774\ub514\uc5b4\uac00 \ub354 \ub300\uc911\ud654\ub418\uae30 \uc2dc\uc791\ud560 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uac00\uaca9\uc740 \uc720\ub9ac \ubcd1\uc774\ub098 \ud50c\ub77c\uc2a4\ud2f1 \ubcd1\ubcf4\ub2e4 \uc57d\uac04 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc81c \uc0ac\ub78c\ub4e4\uc774 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\ub294 \uac83\uc744 \uc120\ud638\ud560\uc9c0 \uc5ec\ubd80\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc774 \uc0dd\uae41\ub2c8\ub2e4.<\/p>
2021\ub144\uc5d0 15,000\uba85\uc758 \uc18c\ube44\uc790\ub97c \ub300\uc0c1\uc73c\ub85c \ud55c \uc124\ubb38\uc870\uc0ac\uc5d0 \ub530\ub974\uba74 57%\ub294 \ud3ec\uc7a5\uc774 \ud658\uacbd\uc5d0 \uc720\ud574\ud55c \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uc9c0 \uc54a\uc744 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \ub610\ud55c 44%\ub294 \uc720\ud574\ud55c \ud3ec\uc7a5\uc774 \uc788\ub294 \uc81c\ud488\uc758 \uad6c\ub9e4\ub97c \uac70\ubd80\ud588\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\ub294 73%\uc758 \uc0ac\ub78c\ub4e4\uc774 \ubcf4\ub2e4 \ud658\uacbd \uce5c\ud654\uc801\uc778 \ud3ec\uc7a5\uc7ac\ub97c \uad6c\ub9e4\ud560 \uac83\uc784\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub610\ud55c, 20%\ub294 \uce5c\ud658\uacbd \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uae30 \uc704\ud574 10% \uc774\uc0c1\uc744 \uc9c0\ubd88\ud560 \uc6a9\uc758\uac00 \uc788\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4.<\/p>
\uc18c\ube44\uc790\uac00 \uc2e0\uc18d\ud558\uac8c \ub610\ub294 \uc644\uc804\ud788 \uc7ac\ud65c\uc6a9\ud560 \uc218 \uc5c6\ub294 \ud3ec\uc7a5 \uc81c\ud488\uc5d0 \ub300\ud55c \ub0b4\uc131\uc744 \uc0c1\uc2e4\ud588\uae30 \ub54c\ubb38\uc5d0 \uae30\uc874\uc758 \ud50c\ub77c\uc2a4\ud2f1 \ubc0f \uc720\ub9ac\ubcd1\uc744 \ub300\uccb4\ud560 \uc218 \uc788\ub294 \uc6b0\uc218\ud55c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uad50\uccb4 \uac00\ub2a5\uc131\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>
2. \uc65c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud569\ub2c8\uae4c?<\/h2>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uac00\ubccd\uace0 \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub09c \uae08\uc18d\uc785\ub2c8\ub2e4. \uc77c\ubd80 \ubcd1\uc740 30\ub144\uc774 \uc9c0\ub09c \ud6c4\uc5d0\ub3c4 \uc5ec\uc804\ud788 \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4!\uc54c\ub8e8\ubbf8\ub284 \ubcd1 \uc0ac\uc6a9\uc744 \uace0\ub824\ud574\uc57c \ud558\ub294 7\uac00\uc9c0 \uc774\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\ub9ac\ud050\uc5b4\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t\n\t\t\t\n\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\n\t\t\ub18d\uc5c5 \ubc0f \ube44\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\uc18c\uac1c<\/h2>
\ub2f9\uc2e0\uc774 \ucc3e\uace0 \uc788\ub2e4\uba74 \uc54c\ub8e8\ubbf8\ub284 \ubcd1<\/strong> \uc81c\ud488\uc744 \ud3ec\uc7a5\ud558\ub824\uba74 \uc774 \uae30\uc0ac\ub97c \uc77d\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uae30\uc0ac\uc5d0\ub294 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uacfc \uad00\ub828\ub41c \ubaa8\ub4e0 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>1. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>1.1 \uc54c\ub8e8\ubbf8\ub284 \uc18c\uac1c<\/h3>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uc6d0\uc18c\uae30\ud638 Al\uacfc \uc6d0\uc790\ubc88\ud638 13\ubc88\uc744 \uac16\ub294 \ud654\ud559\uc6d0\uc18c\uc774\ub2e4. \uc9c0\uad6c\uc758 \uaecd\uc9c8\uc5d0\uc11c \uc0b0\uc18c\uc640 \uaddc\uc18c \ub2e4\uc74c\uc73c\ub85c \uc138 \ubc88\uc9f8\ub85c \ud48d\ubd80\ud55c \uc6d0\uc18c\uc774\uba70 \uc9c0\uac01\uc5d0\uc11c \uac00\uc7a5 \ud48d\ubd80\ud55c \uae08\uc18d\uc774\ub2e4. \uc54c\ub8e8\ubbf8\ub284\uc740 \uc0c1\ub300 \ubc00\ub3c4\uac00 2.7g\/cm\u00b3\ub85c \ub9e4\uc6b0 \uac00\ubccd\uc2b5\ub2c8\ub2e4. \uc5f0\uc131, \uc804\uae30\uc804\ub3c4\uc131, \uc5f4\uc804\ub3c4\uc131, \ub0b4\uc5f4\uc131, \ub0b4\ubc29\uc0ac\uc131\uc774 \uc88b\uc544 \ud56d\uacf5, \uac74\ucd95, \uc790\ub3d9\ucc28, \uc804\uae30, \ud3ec\uc7a5 \ub4f1 \uc911\uc694\ud55c \uc0b0\uc5c5\ubd84\uc57c\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub41c\ub2e4.<\/p>
\uc7ac\ub8cc\uacf5\ud559\uc5d0\uc11c "\uc54c\ub8e8\ubbf8\ub284"\uc740 \uc54c\ub8e8\ubbf8\ub284\uc774\ub77c\ub294 \uc6d0\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \ubaa8\ub4e0 \uc7ac\ub8cc\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99% Al), \ucd08\uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99.7% Al)\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>
1.2 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>
\uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc740 \uc54c\ub8e8\ubbf8\ub284(\ub610\ub294 \uc601\uad6d\uc2dd \uc601\uc5b4\ub85c \uc54c\ub8e8\ubbf8\ub284)\uc73c\ub85c \ub9cc\ub4e0 \ubcd1\uc785\ub2c8\ub2e4.<\/p>
\uc77c\ubd80 \uad6d\uac00\uc5d0\uc11c\ub294 \ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ud50c\ub77c\uc2a4\ud06c<\/strong> \ub610\ub294 \uc54c\ub8e8 \ubcf4<\/strong>\uc791\uc740<\/strong>.<\/p>\u314f<\/b>\ub8e8\ubbf8\ub284 \ubcd1<\/strong>\u00a0\uc758 \uc720\ud615\uc785\ub2c8\ub2e4 \uae08\uc18d \ubcd1<\/strong>. 1070A \uc54c\ub8e8\ubbf8\ub284 \uc2ac\ub7ec\uadf8(99.7% Al)\ub85c \uc81c\uc791\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uc0dd\uc0b0 \uacf5\uc815\uc5d0\ub294 \ucda9\uaca9 \uc555\ucd9c, \ub0b4\ubd80 \ucf54\ud305, \uc778\uc1c4, \ub124\ud0b9 \ubc0f \uc2a4\ub808\ub4dc \ud615\uc131 \ub2e8\uacc4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\uc0ac\ub78c\ub4e4\uc774 \ud658\uacbd\uc744 \ub354 \uc758\uc2dd\ud558\uae30 \ub54c\ubb38\uc5d0 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud558\ub294 \uc544\uc774\ub514\uc5b4\uac00 \ub354 \ub300\uc911\ud654\ub418\uae30 \uc2dc\uc791\ud560 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uac00\uaca9\uc740 \uc720\ub9ac \ubcd1\uc774\ub098 \ud50c\ub77c\uc2a4\ud2f1 \ubcd1\ubcf4\ub2e4 \uc57d\uac04 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc81c \uc0ac\ub78c\ub4e4\uc774 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\ub294 \uac83\uc744 \uc120\ud638\ud560\uc9c0 \uc5ec\ubd80\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc774 \uc0dd\uae41\ub2c8\ub2e4.<\/p>
2021\ub144\uc5d0 15,000\uba85\uc758 \uc18c\ube44\uc790\ub97c \ub300\uc0c1\uc73c\ub85c \ud55c \uc124\ubb38\uc870\uc0ac\uc5d0 \ub530\ub974\uba74 57%\ub294 \ud3ec\uc7a5\uc774 \ud658\uacbd\uc5d0 \uc720\ud574\ud55c \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uc9c0 \uc54a\uc744 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \ub610\ud55c 44%\ub294 \uc720\ud574\ud55c \ud3ec\uc7a5\uc774 \uc788\ub294 \uc81c\ud488\uc758 \uad6c\ub9e4\ub97c \uac70\ubd80\ud588\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\ub294 73%\uc758 \uc0ac\ub78c\ub4e4\uc774 \ubcf4\ub2e4 \ud658\uacbd \uce5c\ud654\uc801\uc778 \ud3ec\uc7a5\uc7ac\ub97c \uad6c\ub9e4\ud560 \uac83\uc784\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub610\ud55c, 20%\ub294 \uce5c\ud658\uacbd \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uae30 \uc704\ud574 10% \uc774\uc0c1\uc744 \uc9c0\ubd88\ud560 \uc6a9\uc758\uac00 \uc788\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4.<\/p>
\uc18c\ube44\uc790\uac00 \uc2e0\uc18d\ud558\uac8c \ub610\ub294 \uc644\uc804\ud788 \uc7ac\ud65c\uc6a9\ud560 \uc218 \uc5c6\ub294 \ud3ec\uc7a5 \uc81c\ud488\uc5d0 \ub300\ud55c \ub0b4\uc131\uc744 \uc0c1\uc2e4\ud588\uae30 \ub54c\ubb38\uc5d0 \uae30\uc874\uc758 \ud50c\ub77c\uc2a4\ud2f1 \ubc0f \uc720\ub9ac\ubcd1\uc744 \ub300\uccb4\ud560 \uc218 \uc788\ub294 \uc6b0\uc218\ud55c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uad50\uccb4 \uac00\ub2a5\uc131\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>
2. \uc65c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud569\ub2c8\uae4c?<\/h2>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uac00\ubccd\uace0 \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub09c \uae08\uc18d\uc785\ub2c8\ub2e4. \uc77c\ubd80 \ubcd1\uc740 30\ub144\uc774 \uc9c0\ub09c \ud6c4\uc5d0\ub3c4 \uc5ec\uc804\ud788 \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4!\uc54c\ub8e8\ubbf8\ub284 \ubcd1 \uc0ac\uc6a9\uc744 \uace0\ub824\ud574\uc57c \ud558\ub294 7\uac00\uc9c0 \uc774\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\ub18d\uc5c5 \ubc0f \ube44\ub8cc\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\uc18c\uac1c<\/h2>
\ub2f9\uc2e0\uc774 \ucc3e\uace0 \uc788\ub2e4\uba74 \uc54c\ub8e8\ubbf8\ub284 \ubcd1<\/strong> \uc81c\ud488\uc744 \ud3ec\uc7a5\ud558\ub824\uba74 \uc774 \uae30\uc0ac\ub97c \uc77d\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uae30\uc0ac\uc5d0\ub294 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uacfc \uad00\ub828\ub41c \ubaa8\ub4e0 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>1. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>1.1 \uc54c\ub8e8\ubbf8\ub284 \uc18c\uac1c<\/h3>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uc6d0\uc18c\uae30\ud638 Al\uacfc \uc6d0\uc790\ubc88\ud638 13\ubc88\uc744 \uac16\ub294 \ud654\ud559\uc6d0\uc18c\uc774\ub2e4. \uc9c0\uad6c\uc758 \uaecd\uc9c8\uc5d0\uc11c \uc0b0\uc18c\uc640 \uaddc\uc18c \ub2e4\uc74c\uc73c\ub85c \uc138 \ubc88\uc9f8\ub85c \ud48d\ubd80\ud55c \uc6d0\uc18c\uc774\uba70 \uc9c0\uac01\uc5d0\uc11c \uac00\uc7a5 \ud48d\ubd80\ud55c \uae08\uc18d\uc774\ub2e4. \uc54c\ub8e8\ubbf8\ub284\uc740 \uc0c1\ub300 \ubc00\ub3c4\uac00 2.7g\/cm\u00b3\ub85c \ub9e4\uc6b0 \uac00\ubccd\uc2b5\ub2c8\ub2e4. \uc5f0\uc131, \uc804\uae30\uc804\ub3c4\uc131, \uc5f4\uc804\ub3c4\uc131, \ub0b4\uc5f4\uc131, \ub0b4\ubc29\uc0ac\uc131\uc774 \uc88b\uc544 \ud56d\uacf5, \uac74\ucd95, \uc790\ub3d9\ucc28, \uc804\uae30, \ud3ec\uc7a5 \ub4f1 \uc911\uc694\ud55c \uc0b0\uc5c5\ubd84\uc57c\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub41c\ub2e4.<\/p>
\uc7ac\ub8cc\uacf5\ud559\uc5d0\uc11c "\uc54c\ub8e8\ubbf8\ub284"\uc740 \uc54c\ub8e8\ubbf8\ub284\uc774\ub77c\ub294 \uc6d0\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \ubaa8\ub4e0 \uc7ac\ub8cc\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99% Al), \ucd08\uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99.7% Al)\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>
1.2 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>
\uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc740 \uc54c\ub8e8\ubbf8\ub284(\ub610\ub294 \uc601\uad6d\uc2dd \uc601\uc5b4\ub85c \uc54c\ub8e8\ubbf8\ub284)\uc73c\ub85c \ub9cc\ub4e0 \ubcd1\uc785\ub2c8\ub2e4.<\/p>
\uc77c\ubd80 \uad6d\uac00\uc5d0\uc11c\ub294 \ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ud50c\ub77c\uc2a4\ud06c<\/strong> \ub610\ub294 \uc54c\ub8e8 \ubcf4<\/strong>\uc791\uc740<\/strong>.<\/p>\u314f<\/b>\ub8e8\ubbf8\ub284 \ubcd1<\/strong>\u00a0\uc758 \uc720\ud615\uc785\ub2c8\ub2e4 \uae08\uc18d \ubcd1<\/strong>. 1070A \uc54c\ub8e8\ubbf8\ub284 \uc2ac\ub7ec\uadf8(99.7% Al)\ub85c \uc81c\uc791\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uc0dd\uc0b0 \uacf5\uc815\uc5d0\ub294 \ucda9\uaca9 \uc555\ucd9c, \ub0b4\ubd80 \ucf54\ud305, \uc778\uc1c4, \ub124\ud0b9 \ubc0f \uc2a4\ub808\ub4dc \ud615\uc131 \ub2e8\uacc4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\uc0ac\ub78c\ub4e4\uc774 \ud658\uacbd\uc744 \ub354 \uc758\uc2dd\ud558\uae30 \ub54c\ubb38\uc5d0 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud558\ub294 \uc544\uc774\ub514\uc5b4\uac00 \ub354 \ub300\uc911\ud654\ub418\uae30 \uc2dc\uc791\ud560 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uac00\uaca9\uc740 \uc720\ub9ac \ubcd1\uc774\ub098 \ud50c\ub77c\uc2a4\ud2f1 \ubcd1\ubcf4\ub2e4 \uc57d\uac04 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc81c \uc0ac\ub78c\ub4e4\uc774 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\ub294 \uac83\uc744 \uc120\ud638\ud560\uc9c0 \uc5ec\ubd80\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc774 \uc0dd\uae41\ub2c8\ub2e4.<\/p>
2021\ub144\uc5d0 15,000\uba85\uc758 \uc18c\ube44\uc790\ub97c \ub300\uc0c1\uc73c\ub85c \ud55c \uc124\ubb38\uc870\uc0ac\uc5d0 \ub530\ub974\uba74 57%\ub294 \ud3ec\uc7a5\uc774 \ud658\uacbd\uc5d0 \uc720\ud574\ud55c \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uc9c0 \uc54a\uc744 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \ub610\ud55c 44%\ub294 \uc720\ud574\ud55c \ud3ec\uc7a5\uc774 \uc788\ub294 \uc81c\ud488\uc758 \uad6c\ub9e4\ub97c \uac70\ubd80\ud588\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\ub294 73%\uc758 \uc0ac\ub78c\ub4e4\uc774 \ubcf4\ub2e4 \ud658\uacbd \uce5c\ud654\uc801\uc778 \ud3ec\uc7a5\uc7ac\ub97c \uad6c\ub9e4\ud560 \uac83\uc784\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub610\ud55c, 20%\ub294 \uce5c\ud658\uacbd \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uae30 \uc704\ud574 10% \uc774\uc0c1\uc744 \uc9c0\ubd88\ud560 \uc6a9\uc758\uac00 \uc788\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4.<\/p>
\uc18c\ube44\uc790\uac00 \uc2e0\uc18d\ud558\uac8c \ub610\ub294 \uc644\uc804\ud788 \uc7ac\ud65c\uc6a9\ud560 \uc218 \uc5c6\ub294 \ud3ec\uc7a5 \uc81c\ud488\uc5d0 \ub300\ud55c \ub0b4\uc131\uc744 \uc0c1\uc2e4\ud588\uae30 \ub54c\ubb38\uc5d0 \uae30\uc874\uc758 \ud50c\ub77c\uc2a4\ud2f1 \ubc0f \uc720\ub9ac\ubcd1\uc744 \ub300\uccb4\ud560 \uc218 \uc788\ub294 \uc6b0\uc218\ud55c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uad50\uccb4 \uac00\ub2a5\uc131\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>
2. \uc65c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud569\ub2c8\uae4c?<\/h2>
\uc54c\ub8e8\ubbf8\ub284\uc740 \uac00\ubccd\uace0 \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub09c \uae08\uc18d\uc785\ub2c8\ub2e4. \uc77c\ubd80 \ubcd1\uc740 30\ub144\uc774 \uc9c0\ub09c \ud6c4\uc5d0\ub3c4 \uc5ec\uc804\ud788 \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4!\uc54c\ub8e8\ubbf8\ub284 \ubcd1 \uc0ac\uc6a9\uc744 \uace0\ub824\ud574\uc57c \ud558\ub294 7\uac00\uc9c0 \uc774\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\n\t\t\t\t\t\n\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
\uc18c\uac1c<\/h2>
\ub2f9\uc2e0\uc774 \ucc3e\uace0 \uc788\ub2e4\uba74 \uc54c\ub8e8\ubbf8\ub284 \ubcd1<\/strong> \uc81c\ud488\uc744 \ud3ec\uc7a5\ud558\ub824\uba74 \uc774 \uae30\uc0ac\ub97c \uc77d\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uae30\uc0ac\uc5d0\ub294 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uacfc \uad00\ub828\ub41c \ubaa8\ub4e0 \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p> \uc54c\ub8e8\ubbf8\ub284\uc740 \uc6d0\uc18c\uae30\ud638 Al\uacfc \uc6d0\uc790\ubc88\ud638 13\ubc88\uc744 \uac16\ub294 \ud654\ud559\uc6d0\uc18c\uc774\ub2e4. \uc9c0\uad6c\uc758 \uaecd\uc9c8\uc5d0\uc11c \uc0b0\uc18c\uc640 \uaddc\uc18c \ub2e4\uc74c\uc73c\ub85c \uc138 \ubc88\uc9f8\ub85c \ud48d\ubd80\ud55c \uc6d0\uc18c\uc774\uba70 \uc9c0\uac01\uc5d0\uc11c \uac00\uc7a5 \ud48d\ubd80\ud55c \uae08\uc18d\uc774\ub2e4. \uc54c\ub8e8\ubbf8\ub284\uc740 \uc0c1\ub300 \ubc00\ub3c4\uac00 2.7g\/cm\u00b3\ub85c \ub9e4\uc6b0 \uac00\ubccd\uc2b5\ub2c8\ub2e4. \uc5f0\uc131, \uc804\uae30\uc804\ub3c4\uc131, \uc5f4\uc804\ub3c4\uc131, \ub0b4\uc5f4\uc131, \ub0b4\ubc29\uc0ac\uc131\uc774 \uc88b\uc544 \ud56d\uacf5, \uac74\ucd95, \uc790\ub3d9\ucc28, \uc804\uae30, \ud3ec\uc7a5 \ub4f1 \uc911\uc694\ud55c \uc0b0\uc5c5\ubd84\uc57c\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub41c\ub2e4.<\/p> \uc7ac\ub8cc\uacf5\ud559\uc5d0\uc11c "\uc54c\ub8e8\ubbf8\ub284"\uc740 \uc54c\ub8e8\ubbf8\ub284\uc774\ub77c\ub294 \uc6d0\uc18c\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \ubaa8\ub4e0 \uc7ac\ub8cc\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99% Al), \ucd08\uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284(\ucd5c\uc18c 99.7% Al)\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p> \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc740 \uc54c\ub8e8\ubbf8\ub284(\ub610\ub294 \uc601\uad6d\uc2dd \uc601\uc5b4\ub85c \uc54c\ub8e8\ubbf8\ub284)\uc73c\ub85c \ub9cc\ub4e0 \ubcd1\uc785\ub2c8\ub2e4.<\/p> \uc77c\ubd80 \uad6d\uac00\uc5d0\uc11c\ub294 \ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ud50c\ub77c\uc2a4\ud06c<\/strong> \ub610\ub294 \uc54c\ub8e8 \ubcf4<\/strong>\uc791\uc740<\/strong>.<\/p> \u314f<\/b>\ub8e8\ubbf8\ub284 \ubcd1<\/strong>\u00a0\uc758 \uc720\ud615\uc785\ub2c8\ub2e4 \uae08\uc18d \ubcd1<\/strong>. 1070A \uc54c\ub8e8\ubbf8\ub284 \uc2ac\ub7ec\uadf8(99.7% Al)\ub85c \uc81c\uc791\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uc0dd\uc0b0 \uacf5\uc815\uc5d0\ub294 \ucda9\uaca9 \uc555\ucd9c, \ub0b4\ubd80 \ucf54\ud305, \uc778\uc1c4, \ub124\ud0b9 \ubc0f \uc2a4\ub808\ub4dc \ud615\uc131 \ub2e8\uacc4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p> \uc0ac\ub78c\ub4e4\uc774 \ud658\uacbd\uc744 \ub354 \uc758\uc2dd\ud558\uae30 \ub54c\ubb38\uc5d0 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud558\ub294 \uc544\uc774\ub514\uc5b4\uac00 \ub354 \ub300\uc911\ud654\ub418\uae30 \uc2dc\uc791\ud560 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uac00\uaca9\uc740 \uc720\ub9ac \ubcd1\uc774\ub098 \ud50c\ub77c\uc2a4\ud2f1 \ubcd1\ubcf4\ub2e4 \uc57d\uac04 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc81c \uc0ac\ub78c\ub4e4\uc774 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\ub294 \uac83\uc744 \uc120\ud638\ud560\uc9c0 \uc5ec\ubd80\uc5d0 \ub300\ud55c \uc9c8\ubb38\uc774 \uc0dd\uae41\ub2c8\ub2e4.<\/p> 2021\ub144\uc5d0 15,000\uba85\uc758 \uc18c\ube44\uc790\ub97c \ub300\uc0c1\uc73c\ub85c \ud55c \uc124\ubb38\uc870\uc0ac\uc5d0 \ub530\ub974\uba74 57%\ub294 \ud3ec\uc7a5\uc774 \ud658\uacbd\uc5d0 \uc720\ud574\ud55c \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uc9c0 \uc54a\uc744 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \ub610\ud55c 44%\ub294 \uc720\ud574\ud55c \ud3ec\uc7a5\uc774 \uc788\ub294 \uc81c\ud488\uc758 \uad6c\ub9e4\ub97c \uac70\ubd80\ud588\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\ub294 73%\uc758 \uc0ac\ub78c\ub4e4\uc774 \ubcf4\ub2e4 \ud658\uacbd \uce5c\ud654\uc801\uc778 \ud3ec\uc7a5\uc7ac\ub97c \uad6c\ub9e4\ud560 \uac83\uc784\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub610\ud55c, 20%\ub294 \uce5c\ud658\uacbd \uc81c\ud488\uc744 \uad6c\ub9e4\ud558\uae30 \uc704\ud574 10% \uc774\uc0c1\uc744 \uc9c0\ubd88\ud560 \uc6a9\uc758\uac00 \uc788\ub2e4\uace0 \ub9d0\ud569\ub2c8\ub2e4.<\/p> \uc18c\ube44\uc790\uac00 \uc2e0\uc18d\ud558\uac8c \ub610\ub294 \uc644\uc804\ud788 \uc7ac\ud65c\uc6a9\ud560 \uc218 \uc5c6\ub294 \ud3ec\uc7a5 \uc81c\ud488\uc5d0 \ub300\ud55c \ub0b4\uc131\uc744 \uc0c1\uc2e4\ud588\uae30 \ub54c\ubb38\uc5d0 \uae30\uc874\uc758 \ud50c\ub77c\uc2a4\ud2f1 \ubc0f \uc720\ub9ac\ubcd1\uc744 \ub300\uccb4\ud560 \uc218 \uc788\ub294 \uc6b0\uc218\ud55c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc758 \uad50\uccb4 \uac00\ub2a5\uc131\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p> \uc54c\ub8e8\ubbf8\ub284\uc740 \uac00\ubccd\uace0 \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub09c \uae08\uc18d\uc785\ub2c8\ub2e4. \uc77c\ubd80 \ubcd1\uc740 30\ub144\uc774 \uc9c0\ub09c \ud6c4\uc5d0\ub3c4 \uc5ec\uc804\ud788 \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4!\uc54c\ub8e8\ubbf8\ub284 \ubcd1 \uc0ac\uc6a9\uc744 \uace0\ub824\ud574\uc57c \ud558\ub294 7\uac00\uc9c0 \uc774\uc720\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t1. \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h2>
1.1 \uc54c\ub8e8\ubbf8\ub284 \uc18c\uac1c<\/h3>
1.2 \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>
2. \uc65c \uc54c\ub8e8\ubbf8\ub284 \ubcd1\uc744 \uc0ac\uc6a9\ud569\ub2c8\uae4c?<\/h2>