{"id":148479,"date":"2024-04-27T16:34:15","date_gmt":"2024-04-27T16:34:15","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%98%a4%eb%b2%84%ed%95%98%ec%9a%b0%ec%a0%80-%ec%9e%90%ea%b8%b0%ea%b3%84-2\/"},"modified":"2024-04-27T16:34:15","modified_gmt":"2024-04-27T16:34:15","slug":"%ec%98%a4%eb%b2%84%ed%95%98%ec%9a%b0%ec%a0%80-%ec%9e%90%ea%b8%b0%ea%b3%84-2","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%98%a4%eb%b2%84%ed%95%98%ec%9a%b0%ec%a0%80-%ec%9e%90%ea%b8%b0%ea%b3%84-2\/","title":{"rendered":"\uc624\ubc84\ud558\uc6b0\uc800 \uc790\uae30\uacc4"},"content":{"rendered":"<p class=\"sidekick\">\uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc\uc758 \uc6d0\ub9ac\uc640 \uc751\uc6a9\uc744 \ud0d0\uad6c\ud558\ub294 \uae30\uc0ac\ub85c, \ud575 \uc2a4\ud540\uacfc \uc804\uc790 \uc2a4\ud540\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \ud1b5\ud574 NMR \uc2e0\ud638\ub97c \uac15\ud654\uc2dc\ud0a4\ub294 \ubb3c\ub9ac\ud559 \ud604\uc0c1\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\uc624\ubc84\ud558\uc6b0\uc800-\uc790\uae30\uacc4.png\" alt=\"\uc624\ubc84\ud558\uc6b0\uc800 \uc790\uae30\uacc4\"\/><\/p>\n<h2>\uc624\ubc84\ud558\uc6b0\uc800 \uc790\uae30\uacc4\uc758 \uae30\ubcf8 \uc6d0\ub9ac<\/h2>\n<p>\uc624\ubc84\ud558\uc6b0\uc800 \uc790\uae30\uacc4(Overhauser effect)\ub294 \ud575 \uc790\uae30 \uacf5\uba85(Nuclear Magnetic Resonance, NMR)\uacfc \ubc00\uc811\ud558\uac8c \uad00\ub828\ub41c \ud604\uc0c1\uc73c\ub85c, \uc790\uae30\uc7a5\uc5d0 \ub193\uc5ec\uc788\ub294 \ud575\uc758 \uc2a4\ud540 \uc0c1\ud0dc\uac00 \uc804\uc790\uc758 \uc2a4\ud540\uc744 \ud1b5\ud574 \uac04\uc811\uc801\uc73c\ub85c \uc870\uc815\ub420 \uc218 \uc788\uc74c\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \uc774 \ud6a8\uacfc\ub294 1953\ub144 \ubb3c\ub9ac\ud559\uc790 \uc54c\ubc84\ud2b8 \uc624\ubc84\ud558\uc6b0\uc800(Albert Overhauser)\uc5d0 \uc758\ud574 \ucc98\uc74c \uc81c\uc548\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc\ub294 \ubb3c\ub9ac\ud559, \ud654\ud559, \uc0dd\uba85\uacfc\ud559, \uadf8\ub9ac\uace0 \uc758\ud559 \ub4f1 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c NMR \uad00\ub828 \uc5f0\uad6c\uc5d0 \uc911\uc694\ud55c \uc751\uc6a9\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc\uc758 \uc774\ud574<\/h2>\n<p>\uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc\ub97c \uc774\ud574\ud558\uae30 \uc704\ud574\uc120 \uba3c\uc800 \ud575 \uc2a4\ud540\uc5d0 \ub300\ud55c \uae30\ubcf8\uc801\uc778 \uc9c0\uc2dd\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ud575 \uc2a4\ud540\uc740 \ud575 \uc18d\uc758 \uc591\uc131\uc790\uc640 \uc911\uc131\uc790\uac00 \uac00\uc9c0\uace0 \uc788\ub294 \uac01\uc6b4\ub3d9\ub7c9\uc73c\ub85c, \uc774\ub4e4\uc740 \uc791\uc740 \uc790\uae30\ubaa8\uba58\ud2b8\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc678\ubd80 \uc790\uae30\uc7a5\uc774 \uc801\uc6a9\ub418\uba74, \ud575 \uc2a4\ud540\ub4e4\uc740 \uc790\uae30\uc7a5\uc758 \ubc29\ud5a5\uacfc \ubc18\ub300 \ubc29\ud5a5\uc73c\ub85c \uc815\ub82c\ub418\uc5b4 \ub450 \uac00\uc9c0 \uc5d0\ub108\uc9c0 \uc0c1\ud0dc, \uc989 \ub192\uc740 \uc5d0\ub108\uc9c0(\ubc18\uc790\uae30\uc7a5 \ubc29\ud5a5)\uc640 \ub0ae\uc740 \uc5d0\ub108\uc9c0(\uc790\uae30\uc7a5 \ubc29\ud5a5) \uc0c1\ud0dc \uc0ac\uc774\uc5d0 \uc704\uce58\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc77c\ubc18\uc801\uc73c\ub85c, \uc815\uc0c1\uc801\uc778 \uc628\ub3c4\uc5d0\uc11c \ub450 \uc5d0\ub108\uc9c0 \uc0c1\ud0dc \uc0ac\uc774\uc758 \uc778\uad6c(population)\uc740 \ubcfc\uce20\ub9cc \ubd84\ud3ec\uc5d0 \uc758\ud574 \uacb0\uc815\ub429\ub2c8\ub2e4. \uc774\uac83\uc740 \uc5d0\ub108\uc9c0\uac00 \ub192\uc740 \uc0c1\ud0dc\ubcf4\ub2e4 \ub0ae\uc740 \uc0c1\ud0dc\uc5d0 \ub354 \ub9ce\uc740 \uc2a4\ud540\uc774 \uc874\uc7ac\ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. NMR \uc2e4\ud5d8\uc744 \ud1b5\ud574, \uc774\ub7ec\ud55c \uc2a4\ud540 \uc0c1\ud0dc \uc0ac\uc774\uc758 \uc804\uc774\ub97c \uc720\ub3c4\ud558\uc5ec \ud575\uc758 \ud654\ud559\uc801 \ud658\uacbd\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc804\uc790 \uc2a4\ud540\uc740 \ud575 \uc2a4\ud540\uc5d0 \ube44\ud574 \ud6e8\uc52c \uac15\ud55c \uc790\uae30\ubaa8\uba58\ud2b8\ub97c \uac00\uc9c0\uae30 \ub54c\ubb38\uc5d0, \uac19\uc740 \uc790\uae30\uc7a5\uc5d0\uc11c \ud6e8\uc52c \ub354 \ud070 \uc5d0\ub108\uc9c0 \ucc28\uc774\ub97c \uac16\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc\ub294 \uc804\uc790 \uc2a4\ud540\uacfc \ud575 \uc2a4\ud540 \uc0ac\uc774\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \uae30\ubc18\uc73c\ub85c \ud569\ub2c8\ub2e4. \ud2b9\uc815 \uc870\uac74 \ud558\uc5d0\uc11c, \uc804\uc790\uc758 \uc2a4\ud540\uc774 RF(radio frequency) \uc5d0\ub108\uc9c0\uc5d0 \uc758\ud574 \uc5ec\uae30\ub418\uba74, \uc804\uc790\ub294 \uc774 \uc5d0\ub108\uc9c0\ub97c \uc8fc\ubcc0\uc758 \ud575 \uc2a4\ud540\uc5d0\uac8c \uc804\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574, \ud575 \uc2a4\ud540 \uc778\uad6c\uc758 \uc7ac\ubd84\ubc30\uac00 \uc77c\uc5b4\ub098\uba74\uc11c, NMR \uc2e0\ud638\uac00 \uac15\ud654\ub418\ub294 \ud604\uc0c1\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \ud575\uacfc \uc804\uc790\uc758 \uc0c1\ud638\uc791\uc6a9\uc740 \ud575 \uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc(Nuclear Overhauser Effect, NOE)\ub85c \uc54c\ub824\uc838 \uc788\uc73c\uba70, \uc774\uac83\uc740 \uad6c\uc870\uc0dd\ubb3c\ud559\uc5d0\uc11c \ub2e8\ubc31\uc9c8\uc758 3\ucc28\uc6d0 \uad6c\uc870\ub97c \uacb0\uc815\ud558\ub294\ub370 \ub9e4\uc6b0 \uc911\uc694\ud55c \uae30\uc220\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc\uc758 \uc774 \ud575\uc2ec \uac1c\ub150\uc740 \ud575\uacfc \uc804\uc790 \uc2a4\ud540 \uc0ac\uc774\uc5d0 \ud2b9\uc815\ud55c \uc0c1\ud638\uc791\uc6a9\uc744 \uc870\uc808\ud568\uc73c\ub85c\uc368, \ud575\uc758 \ub9c8\uc774\ud06c\ub85c\uc2a4\ucf54\ud53d\ud55c \uc790\uae30 \ud658\uacbd\uc744 \ubc14\uafc0 \uc218 \uc788\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc870\uc808\uc740 \ud575 \uc2a4\ud540\uc758 \uc5d0\ub108\uc9c0 \uc218\uc900\uacfc \uc5f0\ub3d9\ub418\uc5b4, NMR \uc2a4\ud399\ud2b8\ub7fc\uc744 \ud1b5\ud574 \uad00\uce21\ub420 \uc218 \uc788\ub294, \ubcf4\ub2e4 \uac15\ud654\ub41c \uc2e0\ud638\ub85c \uc774\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n<h2>\uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc\uc758 \uc870\uac74<\/h2>\n<p>\uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc\uac00 \uc77c\uc5b4\ub098\uae30 \uc704\ud574\uc11c\ub294 \uba87 \uac00\uc9c0 \uc870\uac74\uc774 \ub9cc\uc871\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uc874\uc7ac\ud558\ub294 \uc790\uae30\uc801 \ud658\uacbd: \ud575 \uc2a4\ud540\uacfc \uc804\uc790 \uc2a4\ud540\uc774 \uc678\ubd80 \uc790\uae30\uc7a5\uc5d0 \ub193\uc5ec \uc788\uc5b4\uc57c \ud558\uba70, \uc774\ub97c \ud1b5\ud574 \ub450 \uc2a4\ud540\uc758 \uc5d0\ub108\uc9c0 \uc0c1\ud0dc\uac00 \ubd84\uba85\ud558\uac8c \uad6c\ubd84\ub420 \uc218 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li>\uc804\uc790 \uc2a4\ud540\uc758 \ub3d9\uc801 \uadf9\ud654(Dynamic polarization): RF \uc5d0\ub108\uc9c0\uc5d0 \uc758\ud574 \uc804\uc790\uc758 \uc2a4\ud540 \uc0c1\ud0dc\uac00 \uc5ec\uae30 \ub418\uc5b4\uc57c \ud558\uba70, \uc774\ub294 \ud575 \uc2a4\ud540\uc73c\ub85c \uc5d0\ub108\uc9c0\ub97c \uc804\ub2ec\ud560 \uc218 \uc788\ub294 \ub3d9\uae30\ub97c \ub9cc\ub4ed\ub2c8\ub2e4.<\/li>\n<li>\ud575-\uc804\uc790 \uc2a4\ud540 \uad50\ud658\uc774 \ud5c8\uc6a9\ub418\ub294 \uc2dc\uc2a4\ud15c: \ud575 \uc2a4\ud540\uacfc \uc804\uc790 \uc2a4\ud540 \uc0ac\uc774\uc5d0 \ucda9\ubd84\ud788 \uac15\ud55c \uc0c1\ud638\uc791\uc6a9\uc774 \uc874\uc7ac\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \uc0c1\ud638\uc791\uc6a9\uc740 \uc2a4\ud540 \uad50\ud658 \uba54\ucee4\ub2c8\uc998\uc744 \ud1b5\ud574\uc11c \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc774\ub7ec\ud55c \uc870\uac74 \ud558\uc5d0, \uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc\ub294 \ud575\uc758 \uc2a4\ud540 \uc778\uad6c\ub97c \ubc14\uafd4 \ub354 \ud070 NMR \uc2e0\ud638\ub97c \uc720\ub3c4\ud558\uace0, \ub9c8\uc774\ud06c\ub85c\uc2a4\ucf54\ud53d\ud55c \uc138\uacc4\uc758 \uc815\ubcf4\ub97c \uc6b0\ub9ac\uc5d0\uac8c \uc804\ub2ec\ud558\ub294 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\uac8c \ub429\ub2c8\ub2e4.<\/p>\n<h2>\uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc\uc758 \uc2e4\ud5d8\uc801 \ud655\uc778<\/h2>\n<p>\uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc\ub97c \uc2e4\ud5d8\uc801\uc73c\ub85c \ud655\uc778\ud558\uae30 \uc704\ud574\uc11c\ub294 NMR \ubd84\uad11\uacc4\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud2b9\uc815 \ud575\uc5d0 \ub300\ud55c \uc2a4\ud399\ud2b8\ub7fc\uc744 \uad00\ucc30\ud574\uc57c\ud569\ub2c8\ub2e4. \uc804\uc790\uc640 \ud575 \uc0ac\uc774\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \uc870\uc808\ud558\uae30 \uc704\ud574\uc11c\ub294 \ud2b9\uc815 \uc8fc\ud30c\uc218\uc758 RF \uc5d0\ub108\uc9c0\ub97c \uc804\uc790\uc5d0 \uc801\uc6a9\ud558\uac8c \ub429\ub2c8\ub2e4. RF \uc5d0\ub108\uc9c0\uac00 \uc804\uc790 \uc2a4\ud540\uc744 \uc5ec\uae30\uc2dc\ud0ac \ub54c, \uc804\uc790 \uc2a4\ud540\uc758 \uc7ac\ubc30\uc5f4\uc740 \uc778\uc811\ud55c \ud575 \uc2a4\ud540\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\uace0, \uacb0\uacfc\uc801\uc73c\ub85c NMR \uc2a4\ud399\ud2b8\ub7fc\uc758 \ubcc0\ud654\ub97c \uc720\ub3c4\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc2e4\ud5d8\uc801\uc73c\ub85c \uad00\ucc30\ub418\ub294 \uc2a4\ud399\ud2b8\ub7fc\uc758 \ubcc0\ud654\ub294 \ud575 \uc2a4\ud540 \uc778\uad6c\uc758 \uc7ac\ubd84\ubc30\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ud575 \uc2a4\ud540\uc758 \uc2a4\ud399\ud2b8\ub7fc \uc138\uae30\uac00 \uc99d\uac00\ud558\ub294 \uac83\uc73c\ub85c \ub098\ud0c0\ub098\uba70, \uc774\ub294 \uc2e4\ud5d8\uc5d0\uc11c \uc911\uc694\ud55c \ub370\uc774\ud130\ub85c \ud65c\uc6a9\ub429\ub2c8\ub2e4. \uc811\uadfc\ud560 \uc218 \uc788\ub294 \ud575\uc758 \uc885\ub958, \uadf8\ub9ac\uace0 \ubd84\uc790 \ub0b4\uc5d0\uc11c\uc758 \uc774\ub4e4\uc758 \uc704\uce58\uc5d0 \ub530\ub77c \uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc\uc758 \uac15\ub3c4\uac00 \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc\uc758 \uc751\uc6a9<\/h2>\n<p>\uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc\ub294 \uc774\ub860\uc801\uc778 \uc5f0\uad6c\ubfd0\ub9cc \uc544\ub2c8\ub77c \uc2e4\uc81c \uc751\uc6a9 \uba74\uc5d0\uc11c\ub3c4 \uc911\uc694\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub2e8\ubc31\uc9c8 \ubd84\uc790 \ub0b4\uc5d0\uc11c \uc544\ubbf8\ub178\uc0b0 \uc794\uae30\ub4e4 \uc0ac\uc774\uc758 \uc0c1\ub300\uc801\uc778 \uac70\ub9ac\ub97c \uce21\uc815\ud568\uc73c\ub85c\uc368 \ub2e8\ubc31\uc9c8\uc758 \uad6c\uc870\ub97c \ud574\uc11d\ud558\ub294\ub370 \uc774\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub294 NOE \uc2a4\ud399\ud2b8\ub7fc\uc744 \uc774\uc6a9\ud558\uc5ec \ud2b9\uc815 \ud575\uc0ac\uc774\uc758 \uac70\ub9ac\ub97c \uac04\uc811\uc801\uc73c\ub85c \uacc4\uc0b0\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc758\ud559 \ubd84\uc57c\uc5d0\uc11c\ub294 \uc9c8\ubcd1 \uc9c4\ub2e8 \ubc0f \uc5f0\uad6c\uc5d0 \ud65c\uc6a9\ub429\ub2c8\ub2e4. \ud2b9\ud788 \ub300\uc0ac\uc131 \uc9c8\ud658\uc758 \uacbd\uc6b0, \uc870\uc9c1\uc774\ub098 \uc138\ud3ec \ub0b4\uc758 \ud2b9\uc815 \ubb3c\uc9c8\uc758 \ub18d\ub3c4 \ubcc0\ud654\ub97c NMR\uacfc \uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc\ub97c \uc774\uc6a9\ud574 \uc2dd\ubcc4\ud558\uace0 \uc815\ub7c9\ud654\ud558\ub294 \uc5f0\uad6c\uac00 \uc9c4\ud589\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ubfd0\ub9cc \uc544\ub2c8\ub77c, \uc57d\ubb3c\uc758 \ubd84\uc790 \uad6c\uc870 \ud574\uc11d\uc5d0\ub3c4 \uc774 \ud6a8\uacfc\uac00 \uc751\uc6a9\ub418\uc5b4, \uc57d\ubb3c \uc124\uacc4\uc640 \uac1c\ubc1c\uc5d0 \uae30\uc5ec\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>\uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc\ub294 \ud575 \uc790\uae30 \uacf5\uba85 \uc2a4\ud399\ud2b8\ub85c\uc2a4\ucf54\ud53c\uc758 \uc911\uc694\ud55c \uc6d0\ub9ac \uc911 \ud558\ub098\ub85c, \ud575\uacfc \uc804\uc790 \uc2a4\ud540\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \ud1b5\ud574 \uadf9\ubbf8\ud55c \ud654\ud559 \ud658\uacbd\uc758 \ubcc0\ud654\ub97c \ud30c\uc545\ud558\ub294\ub370 \ud070 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ub2e4\uc591\ud55c \uacfc\ud559\uc801 \uc751\uc6a9\uc744 \ud1b5\ud574, \uc774 \ud6a8\uacfc\ub294 \uad6c\uc870\uc0dd\ubb3c\ud559\uc5d0\uc11c \ub2e8\ubc31\uc9c8 \uad6c\uc870\uc758 \uc815\ubc00\ud55c \uc774\ud574\ub97c \uac00\ub2a5\ud558\uac8c \ud558\ub294 \uac83\uc740 \ubb3c\ub860, \ubb3c\uc9c8\uc758 \uad6c\uc870\uc801 \uc815\ubcf4\ub97c \uc5bb\ub294\ub370 \uc788\uc5b4\uc11c \ub9e4\uc6b0 \uc720\uc6a9\ud55c \ub3c4\uad6c\uac00 \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc\uc758 \ub354 \uae4a\uc740 \uc774\ud574\ub294 \ubd84\uc790 \uc138\uacc4\ub97c \ub354 \uc798 \uc774\ud574\ud558\uace0, \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c\uc758 \uc751\uc6a9 \uac00\ub2a5\uc131\uc744 \ub113\ud788\ub294 \ub370\uc5d0 \uae30\uc5ec\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc9c0\uc2dd\uc758 \ud655\uc7a5\uc740 \uacfc\ud559 \uae30\uc220 \ubc1c\uc804\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce58\uace0, \uc6b0\ub9ac \uc0b6\uc758 \uc9c8\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ub370 \ud070 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc624\ubc84\ud558\uc6b0\uc800 \ud6a8\uacfc\uc758 \uc6d0\ub9ac\uc640 \uc751\uc6a9\uc744 \ud0d0\uad6c\ud558\ub294 \uae30\uc0ac\ub85c, \ud575 \uc2a4\ud540\uacfc \uc804\uc790 \uc2a4\ud540\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \ud1b5\ud574 NMR \uc2e0\ud638\ub97c \uac15\ud654\uc2dc\ud0a4\ub294 \ubb3c\ub9ac\ud559 \ud604\uc0c1\uc744 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