{"id":113362,"date":"2009-05-27T13:36:00","date_gmt":"2009-05-27T13:36:00","guid":{"rendered":"http:\/\/www.hisark.com\/?p=113362"},"modified":"2021-11-29T16:52:27","modified_gmt":"2021-11-29T16:52:27","slug":"%ec%95%84%ec%a7%81%eb%8f%84-%eb%9c%a8%ea%b1%b0%ec%9a%b4-%eb%aa%a9%ec%84%b1%ed%98%95-%ed%96%89%ec%84%b1%eb%93%a4","status":"publish","type":"post","link":"http:\/\/www.hisark.com\/?p=113362","title":{"rendered":"\uc544\uc9c1\ub3c4 \ub728\uac70\uc6b4 \ubaa9\uc131\ud615 \ud589\uc131\ub4e4"},"content":{"rendered":"\n<h2 id=\"block-95c336b9-1854-493d-8871-990edbb891a6\"><strong>[2009\ub144 5\uc6d4 \ub274\uc2a4\ub808\ud130]<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"772\" height=\"442\" src=\"http:\/\/www.hisark.com\/wp-content\/uploads\/2021\/11\/2000\ub144-5\uc6d4_8.png\" alt=\"\" class=\"wp-image-113363\" srcset=\"http:\/\/www.hisark.com\/wp-content\/uploads\/2021\/11\/2000\ub144-5\uc6d4_8.png 772w, http:\/\/www.hisark.com\/wp-content\/uploads\/2021\/11\/2000\ub144-5\uc6d4_8-300x172.png 300w, http:\/\/www.hisark.com\/wp-content\/uploads\/2021\/11\/2000\ub144-5\uc6d4_8-768x440.png 768w\" sizes=\"(max-width: 772px) 100vw, 772px\" \/><\/figure><\/div>\n\n\n\n<p>\uc544\uc9c1\ub3c4 \ud48d\uc131\ud558\uac8c \uc874\uc7ac\ud558\ub294 \ud61c\uc131\ub4e4\uacfc \uc9c0\uc9c8\ud559\uc801\uc73c\ub85c \uc0b4\uc544\u00a0\uc228 \uc26c\uace0\u00a0\uc788\ub294 \ub2ec\uc758 \ud45c\uba74\uc744\u00a0\ud1b5\ud574\uc11c \uc6b0\uc8fc\uc758\u00a0\ub098\uc774\uac00 \uc80a\uc74c\uc744 \uc9c0\uc9c0\ud558\ub294 \uc99d\uac70\ub85c \uc81c\uc2dc\ud558\uc600\ub2e4(2008\ub144 12\uc6d4\ud638). \uc5ec\uae30\uc11c\ub294 \uc6b0\ub9ac \ud0dc\uc591\uacc4 \ub0b4\uc758 \ubaa9\uc131\ud615\u00a0\ud589\uc131\ub4e4\uc5d0 \ub300\ud55c \ucd5c\uadfc \uc5f0\uad6c\ub85c\ubd80\ud130\u00a0\ubc1c\uacac\ub41c \uacfc\ud559\uc801 \uc0ac\uc2e4\ub4e4\uc744 \ud1b5\ud558\uc5ec \uc6b0\uc8fc\uc758 \ub098\uc774\uac00 \uc80a\uc74c\uc744\u00a0\uc99d\uac70\ud558\ub824\uace0\u00a0\ud55c\ub2e4. \uadf8 \ub3d9\uc548\u00a0\ud0dc\uc591\uacc4\uc758 \ud589\uc131\ub4e4\uc740 \ubaa8\ub450 \ube5b\uc744 \ubc18\uc0ac\ud558\ub294 \uac83\uc73c\ub85c \ubc30\uc6e0\uace0 \ub610 \uadf8\ub807\uac8c \uac00\ub974\uccd0 \uc654\ub2e4. \uadf8\ub7f0\ub370 \ucd5c\uadfc \ubc1d\ud600\uc9c0\uace0 \uc788\ub294 \uacfc\ud559\uc801\uc778 \uc0ac\uc2e4\ub4e4\uc740 \uadf8\ub807\uc9c0 \uc54a\ub2e4. \uc2e4\uc81c\ub85c \ubaa9\uc131\uc740 3 x\u00a01017 \uc640\ud2b8\uc758\u00a0\uc5d0\ub108\uc9c0\ub97c \uc0dd\uc0b0\ud55c\ub2e4. \ubb3c\ub860 \ub300\ubd80\ubd84 \uc801\uc678\uc120(infrared)\uc774\uc9c0\ub9cc \ubaa9\uc131\uc740 \uc790\uc2e0\uc774 \ud0dc\uc591\uc73c\ub85c\ubd80\ud130 \ubc1b\ub294 \uc5d0\ub108\uc9c0\ubcf4\ub2e4 \uac70\uc758 \ub450 \ubc30\ub97c \ubc29\ucd9c\ud55c\ub2e4. \uc774\ub294 100\uc640\ud2b8 \uc804\uad6c\u00a03,000\uc870(3 x 1015)\uac1c\ub97c\u00a0\ucf1c\ub193\uc740 \ucd9c\ub825\uc5d0 \ud574\ub2f9\ud55c\ub2e4. \ud1a0\uc131\uc740 \ubaa9\uc131\uc774 \ub9cc\ub4e4\uc5b4 \ub0b4\ub294 \uc5d0\ub108\uc9c0\uc758 \uc808\ubc18\uc744\u00a0\uc0dd\uc0b0\ud558\uc9c0\ub9cc \uc9c8\ub7c9\uc774\u00a01\/4\uc774\ubbc0\ub85c \ub2e8\uc704 \uc9c8\ub7c9\ub2f9 \uc5d0\ub108\uc9c0\ub294 \ub450 \ubc30\uc5d0 \ud574\ub2f9\ud55c\ub2e4. \ud574\uc655\uc131(Neptune) \ub610\ud55c \uc790\uc2e0\uc774 \ud0dc\uc591\uc73c\ub85c\ubd80\ud130 \ud761\uc218\ud558\ub294 \uc5d0\ub108\uc9c0\uc758\u00a0\ub450 \ubc30\u00a0\uc774\uc0c1\uc744 \ub0b4\ubcf4\ub0b8\ub2e4. \ucc9c\uc655\uc131(Uranus)\uc740 \uc544\uc9c1 \ubd88\ud655\uc2e4\ud55c \uc810\uc774 \uc788\uc9c0\ub9cc \ubc1b\ub294 \uc5d0\ub108\uc9c0 \ubcf4\ub2e4 \uc57d\uac04\u00a0\ub354 \ub9ce\uc740\u00a0\uc5d0\ub108\uc9c0\ub97c \ubcf5\uc0ac\ud558\ub294 \uac83\uc73c\ub85c \ubcf4\uace0 \uc788\ub2e4. \uc774\ub807\ub4ef \ubaa9\uc131\ud615 \uac00\uc2a4 \ud589\uc131\ub4e4\uc740 \ubaa8\ub450 \uc5d0\ub108\uc9c0\ub97c \ub9cc\ub4e4\uc5b4 \ub0b4\uace0 \uc788\ub2e4\ub294\u00a0\uac83\uc774\ub2e4. \ud55c\ub3d9\uc548\u00a0\ubaa9\uc131\uc740 \uc2a4\uc2a4\ub85c \uc218\ucd95\ud568\uc73c\ub85c \uc5d0\ub108\uc9c0\ub97c \uc0dd\uc0b0\ud558\ub294 \uac83\uc73c\ub85c \uc5ec\uacbc\uc5c8\ub2e4. \uc2a4\uc2a4\ub85c \uc218\ucd95\ud558\uc5ec \uc911\ub825\uc5d0\ub108\uc9c0\ub97c \ub0b4\ubd80 \uc5f4\uacfc \ubcf5\uc0ac(radiation) \uc5d0\ub108\uc9c0\ub85c \ubc14\uafbc\ub2e4\ub294 \uac83\uc774\ub2e4. \uadf8\ub7f0\ub370 \ucd5c\uadfc \uacfc\ud559\uc790\ub4e4\uc740 \ubaa9\uc131 \uc790\uccb4\uc758 \uc218\ucd95\ub9cc\uc73c\ub85c\ub294 \uadf8 \uac19\uc740 \uc591\uc758 \uc5d0\ub108\uc9c0\ub97c \ub9cc\ub4e4\uc5b4 \ub0bc \uc218 \uc5c6\uc744 \uac83\uc73c\ub85c \uc5ec\uae34\ub2e4. \ub530\ub77c\uc11c\u00a0\ub2e4\ub978 \uc124\uba85\uc774\u00a0\ud544\uc694\ud55c\ub370, \ub610 \ub2e4\ub978 \uc124\uba85\uc740 \ubaa9\uc131\uc758 \uc911\uc2ec\uc73c\ub85c \ud5ec\ub968(He)\uc774 \uc3df\uc544\uc838 \ub0b4\ub824\uc11c \uc911\ub825\uc5d0\ub108\uc9c0\uac00 \ub354\ud574\uc9c8 \uc218 \uc788\ub2e4\ub294 \uac83\uc774\ub2e4. \ud1a0\uc131\uacfc \ucc9c\uc655\uc131\uc5d0\ub294 \ud45c\uba74\uc5d0\ub294 \ud5ec\ub968\uc774\u00a0\uace0\uac08\ub418\uc5b4\uc788\uae30 \ub54c\ubb38\uc5d0\u00a0\uc774\u00a0\uc124\uba85\uc774 \uc801\ud569\ud560\u00a0\uc9c0 \ubaa8\ub974\ub098 \ubaa9\uc131\uc758 \uacbd\uc6b0\ub294 \ub9e4\uc6b0 \ub2e4\ub974\ub2e4. \ub530\ub77c\uc11c \ucd5c\uadfc \uacfc\ud559\uc790\ub4e4\uc740 \ubaa9\uc131\uc758 \uc911\uc2ec\uc5d0\uc11c \ud0dc\uc591\uacfc \uac19\uc774 \ud575\uc735\ud569\ubc18\uc751(nuclear reactions)\uc774 \uc9c4\ud589\ub418\ub294 \uac83\uc73c\ub85c \ubcf4\ub294 \uacbd\ud5a5\uc774 \ub354\u00a0\uac15\ud558\ub2e4. \uc911\uc218\uc18c\ub4e4\uc774\u00a0\uc735\ud569\ud558\ub294 \ud575\ubc18\uc751\uc774 \uc774\ub904\uc9c0\ub824\uba74 \uadf8 \uc911\uc2ec\uc758 \uc628\ub3c4\uac00 3\ubc31\ub9cc\ub3c4 \uc774\uc0c1 \uc62c\ub77c\uac00\uc57c\u00a0\ud55c\ub2e4. \ub530\ub77c\uc11c\u00a0\ud0dc\uc591\uacfc \uac19\uc774 \uc911\uc2ec\uc5d0\uc11c \ud575\uc735\ud569\ubc18\uc751\uc774 \uc774\ub904\uc9c0\ub824\uba74 \uc801\uc5b4\ub3c4 \ubaa9\uc131\uc5d0 \uc788\ub294\u00a0\ubaa8\ub4e0 \uc911\uc218\uc18c\ub4e4\uc774\u00a0\uc911\uc2ec\uc73c\ub85c \ub3d9\uc2dc\uc5d0 \ub5a8\uc5b4\uc838\uc57c \uac00\ub2a5\ud560 \uac83\uc73c\ub85c \ucd94\uc815\ud55c\ub2e4. <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignleft size-large is-resized\"><img loading=\"lazy\" src=\"http:\/\/www.hisark.com\/wp-content\/uploads\/2021\/11\/2000\ub144-5\uc6d4_9.png\" alt=\"\" class=\"wp-image-113365\" width=\"296\" height=\"416\" srcset=\"http:\/\/www.hisark.com\/wp-content\/uploads\/2021\/11\/2000\ub144-5\uc6d4_9.png 367w, http:\/\/www.hisark.com\/wp-content\/uploads\/2021\/11\/2000\ub144-5\uc6d4_9-213x300.png 213w\" sizes=\"(max-width: 296px) 100vw, 296px\" \/><\/figure><\/div>\n\n\n\n<p>\uc5ec\ud558\ud2bc \ud55c\ubc88 \ud575\uc735\ud569\ubc18\uc751\uc774 \uc810\ud654\ub41c\u00a0\ud6c4 46\uc5b5~100\uc5b5 \ub144(\uc9c4\ud654\ub860\uc790\ub4e4\uc774 \uc8fc\uc7a5\ud558\ub294 \uc5f0\ub300) \uc774\uc0c1 \uadf8 \uc5f4\uc744 \uc720\uc9c0\ud558\uba70 \ud575\uc735\ud569\uc774\u00a0\uc9c0\uc18d\ub418\uc5c8\uc5b4\uc57c \ud558\ub294\ub370\u00a0\uc774\ub294 \ubaa9\uc131\uc5d0 \uc874\uc7ac\ud558\ub294 \ubaa8\ub4e0\u00a0\uc218\uc18c\uc640 \ud5ec\ub968\uc758\u00a0\uc591\uc73c\ub85c \ubcfc \ub54c \ubd88\uac00\ub2a5\ud558\ub2e4. \uc774\ub294 \uc9c4\ud654\ub860\uc790\ub4e4\uc774 \uc8fc\uc7a5\ud558\ub294 \uc624\ub79c \uc5f0\ub300\uc5d0 \uce58\uba85\uc801\uc778 \ubc18\uc99d\ub4e4\uc774\ub2e4. \ub610\ud55c \uc735\ud569\ubc18\uc751 \ucd08\uae30\u00a0\uc810\ud654\uc5d0 \ud544\uc694\ud55c\u00a0\uc628\ub3c4\ub97c \uc720\uc9c0\ud558\ub824\uba74 \ucd5c\uc801\uc758 \uc21c\uac04 \ucd5c\uc801\uc758 \uc704\uce58\uc5d0 \uc911\uc218\uc18c \uce35\uc774 \uc0dd\uaca8\uc57c \ud558\uace0 \ub3d9\uc2dc\uc5d0 \uc2a4\uc2a4\ub85c \uacb0\ud569\ud574\uc57c \ud55c\ub2e4\ub294 \uc810\uc774\ub2e4.\u00a0\uc774\ub294 \ud574\uc655\uc131\uc5d0\uc11c\ub3c4\u00a0\ub9c8\ucc2c\uac00\uc9c0\uc778\ub370 \uc774\ub294\u00a0\uc6b0\uc5f0\uc758 \uc0b0\ubb3c\ub85c\ub294\u00a0\uc0c1\uc0c1\ud560 \uc218 \uc5c6\ub294\u00a0\uc77c\uc774\ub2e4. \uc790\uc5f0\uc8fc\uc758\u00a0\ud559\uc790\ub4e4\uc740 \ud0dc\uc591\uacc4\uc640\u00a0\ud589\uc131\ub4e4\uc740 \uc120\ud68c\ud558\ub294\u00a0\ubc00\ub3c4\uac00 \ub192\uc740 \uac00\uc2a4\uc640\u00a0\uba3c\uc9c0\uad6c\ub984\uc73c\ub85c\ubd80\ud130\u00a046\uc5b5 \ub144\u00a0\uc804\uc5d0 \ubb3c\uc9c8\ub4e4\uc774 \uc555\ucd95\ud558\uc5ec \uc5f4\uc744 \ub9cc\ub4e4\uace0 \uadf8 \uc5f4\uc774\u00a0\uc624\ub298\ub0a0\uc758\u00a0\ud0dc\uc591\uacc4\ub97c \ud615\uc131\ud55c \uac83\uc73c\ub85c \ubbff\ub294\ub2e4. \ucc9c\ubb38\ud559\uc5d0\uc11c \ubcc4\uc740 \ud575\uc735\ud569\ubc18\uc751\uc744 \ud1b5\ud558\uc5ec \uc5d0\ub108\uc9c0\ub97c \ubc29\ucd9c\ud558\ub294 \uac70\ub300\ud55c \uac00\uc2a4\uccb4\ub85c\u00a0\uc815\uc758\ub41c\ub2e4. \ub530\ub77c\uc11c\u00a0\uc138\uc0c1 \ud559\uc790\ub4e4\uc740\u00a0\ud0dc\uc591\uc744 \ud558\ub098\uc758 \uc804\ud615\uc801\uc778\u00a0\ubcc4\uc774\ub77c\uace0 \ubd80\ub978\ub2e4. \uadf8\ub7f0 \uc810\uc5d0\uc11c \uc911\uc2ec\uc5d0\uc11c \ud575\uc735\ud569\ubc18\uc751\uc774 \uacc4\uc18d\ub418\uace0 \uc788\uace0 \uac00\uc2a4\uccb4\uc778 \ubaa9\uc131\uacfc \ud574\uc655\uc131\uc740 \uc791\uc740 \ubcc4\ub4e4\uc774\uba70 \uc791\uc740 \ud0dc\uc591\ub4e4\uc774\ub2e4. \uadf8\ub7ec\ub2c8\uae4c \uc6b0\ub9ac\uc758 \ud0dc\uc591\uacc4\uc5d0\ub294 \uc801\uc5b4\ub3c4 \uc138 \uac1c\uc758 \ud0dc\uc591\uc774 \uc788\ub294\u00a0\uc148\uc774\ub2e4. \uc544\uc9c1\u00a0\ubaa8\ub4e0 \uac83\ub4e4\uc774 \uba85\ud655\ud558\uac8c \ubc1d\ud600\uc9c0\uc9c0 \uc54a\uc740 \ub0b4\uc6a9\ub4e4\uc774\u00a0\ub9ce\uc9c0\ub9cc, \uc18d\uc18d\u00a0\ub4dc\ub7ec\ub098\uace0 \uc788\ub294 \uc0ac\uc2e4\ub4e4\uc740 \uc624\ub79c \uc6b0\uc8fc\uc758 \ub098\uc774\ub97c \uac70\ubd80\ud558\uba70 \uc624\ud788\ub824 \uc80a\uc740 \uc6b0\uc8fc\ub97c \uc9c0\uc9c0\ud558\uace0 \uc788\ub2e4. \ub610\ud55c \ud0dc\uc591\uacc4 \ud589\uc131\ub4e4\uc758 \uad6c\uc131\uc694\uc18c\ub098 \uae30\ub2a5\ub4e4\uc744\u00a0\uc0b4\ud3b4\ubcfc\u00a0\ub54c \uc790\uc5f0\uc8fc\uc758\uc790\ub4e4\uc5d0\uac8c \ud070\u00a0\uace8\uce6b\uac70\ub9ac\uac00\u00a0\ub418\uc9c0\ub9cc \ucc3d\uc870\uc790\uc758 \uc9c0\ud61c\ub97c \ubbff\ub294 \uc774\uc5d0\uac8c \uc804\ud600 \ubb38\uc81c\uac00 \ub418\uc9c0 \uc54a\ub294\ub2e4. \ud558\ub098\ub2d8\uc774 \uc790\uc2e0\uc758 \uc9c0\ud61c\ub85c \ud589\uc131\ub4e4\uc744 \uc870\uc131\ud558\uc168\uae30 \ub54c\ubb38\uc774\ub2e4. \ud55c \ub9c8\ub514\ub85c \uc131\uacbd\uc740 \uacfc\ud559\uc801\uc778\u00a0\uac83\ubfd0\ub9cc\u00a0\uc544\ub2c8\ub77c \uc5ed\uc0ac\uc801\uc778 \uac83\uc744 \ud3ec\ud568\ud558\uc5ec \ud130\uce58\ud558\ub294 \ubaa8\ub4e0 \uc601\uc5ed\uc5d0 \uc9c4\ub9ac\ub97c \uc81c\uacf5\ud55c\ub2e4. \uc774\ub294 \uc0ac\ub78c\uc758 \uc0dd\uac01 \uc704\uc5d0 \uc788\ub294 \ubcc0\uce58 \uc54a\ub294 \ud558\ub098\ub2d8\uc758 \ub9d0\uc500\uc774\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n\n\n\n<ul><li>\uc774\ub3d9\uc6a9 \ubc15\uc0ac (\ud56d\uacf5\uae30\uacc4\uacf5\ud559)<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>[2009\ub144 5\uc6d4 \ub274\uc2a4\ub808\ud130] \uc544\uc9c1\ub3c4 \ud48d\uc131\ud558\uac8c \uc874\uc7ac\ud558\ub294 \ud61c\uc131\ub4e4\uacfc \uc9c0\uc9c8\ud559\uc801\uc73c\ub85c \uc0b4\uc544\u00a0\uc228 \uc26c\uace0\u00a0\uc788\ub294 \ub2ec\uc758 \ud45c\uba74\uc744\u00a0\ud1b5\ud574\uc11c \uc6b0\uc8fc\uc758\u00a0\ub098\uc774\uac00 \uc80a\uc74c\uc744 \uc9c0\uc9c0\ud558\ub294 \uc99d\uac70\ub85c \uc81c\uc2dc\ud558\uc600\ub2e4(2008\ub144 12\uc6d4\ud638). \uc5ec\uae30\uc11c\ub294 \uc6b0\ub9ac \ud0dc\uc591\uacc4 \ub0b4\uc758 \ubaa9\uc131\ud615\u00a0\ud589\uc131\ub4e4\uc5d0 \ub300\ud55c \ucd5c\uadfc \uc5f0\uad6c\ub85c\ubd80\ud130\u00a0\ubc1c\uacac\ub41c \uacfc\ud559\uc801 \uc0ac\uc2e4\ub4e4\uc744 \ud1b5\ud558\uc5ec \uc6b0\uc8fc\uc758 \ub098\uc774\uac00 \uc80a\uc74c\uc744\u00a0\uc99d\uac70\ud558\ub824\uace0\u00a0\ud55c\ub2e4. \uadf8 \ub3d9\uc548\u00a0\ud0dc\uc591\uacc4\uc758 \ud589\uc131\ub4e4\uc740 \ubaa8\ub450 \ube5b\uc744 \ubc18\uc0ac\ud558\ub294 \uac83\uc73c\ub85c \ubc30\uc6e0\uace0 \ub610 \uadf8\ub807\uac8c \uac00\ub974\uccd0 \uc654\ub2e4. \uadf8\ub7f0\ub370 \ucd5c\uadfc \ubc1d\ud600\uc9c0\uace0 \uc788\ub294 \uacfc\ud559\uc801\uc778 \uc0ac\uc2e4\ub4e4\uc740 \uadf8\ub807\uc9c0 \uc54a\ub2e4. \uc2e4\uc81c\ub85c \ubaa9\uc131\uc740 3&hellip;<\/p>\n","protected":false},"author":1,"featured_media":113363,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[13649,9],"tags":[],"_links":{"self":[{"href":"http:\/\/www.hisark.com\/index.php?rest_route=\/wp\/v2\/posts\/113362"}],"collection":[{"href":"http:\/\/www.hisark.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.hisark.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.hisark.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.hisark.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=113362"}],"version-history":[{"count":2,"href":"http:\/\/www.hisark.com\/index.php?rest_route=\/wp\/v2\/posts\/113362\/revisions"}],"predecessor-version":[{"id":113366,"href":"http:\/\/www.hisark.com\/index.php?rest_route=\/wp\/v2\/posts\/113362\/revisions\/113366"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.hisark.com\/index.php?rest_route=\/wp\/v2\/media\/113363"}],"wp:attachment":[{"href":"http:\/\/www.hisark.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=113362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.hisark.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=113362"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.hisark.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=113362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}