{"id":10209,"date":"2021-11-21T19:19:29","date_gmt":"2021-11-21T12:19:29","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=10209"},"modified":"2021-11-21T19:39:03","modified_gmt":"2021-11-21T12:39:03","slug":"con-nguoi-co-the-song-duoi-bien-duoc-khong","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/con-nguoi-co-the-song-duoi-bien-duoc-khong\/","title":{"rendered":"Con ng\u01b0\u1eddi c\u00f3 th\u1ec3 s\u1ed1ng d\u01b0\u1edbi bi\u1ec3n \u0111\u01b0\u1ee3c kh\u00f4ng?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Bi\u1ec3n c\u1ea3 m\u00eanh m\u00f4ng, t\u00f4m c\u00e1 l\u00ean xu\u1ed1ng tung t\u0103ng, tho\u1ea3i m\u00e1i. L\u00fac th\u00ec ch\u00fang b\u01a1i l\u00ean \u0111\u00f3n \u00e1nh n\u1eafng M\u1eb7t T r\u1eddi, l\u00fac l\u1ea1i b\u01a1i xu\u1ed1ng s\u00e2u d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n. Ch\u00fang b\u01a1i l\u1ed9i t\u1ef1 do bi\u1ebft bao!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">X\u01b0a nay con ng\u01b0\u1eddi v\u1eabn m\u01a1 \u01b0\u1edbc nh\u01b0 c\u00e1 s\u1ed1ng \u0111\u01b0\u1ee3c d\u01b0\u1edbi n\u01b0\u1edbc. V\u1eady m\u01a1 \u01b0\u1edbc n\u00e0y c\u00f3 hi\u1ec7n th\u1ef1c kh\u00f4ng? Con ng\u01b0\u1eddi mu\u1ed1n s\u1ed1ng trong n\u01b0\u1edbc th\u00ec \u0111i\u1ec1u quan tr\u1ecdng nh\u1ea5t l\u00e0 ph\u1ea3i kh\u1eafc ph\u1ee5c hai \u0111i\u1ec1u: m\u1ed9t l\u00e0 ch\u1ed1ng l\u1ea1i \u00e1p su\u1ea5t do \u0111\u1ed9 s\u00e2u c\u1ee7a n\u01b0\u1edbc g\u00e2y n\u00ean, hai l\u00e0 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 th\u1edf trong n\u01b0\u1edbc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu ta kh\u00f4ng y\u00eau c\u1ea7u ph\u1ea3i l\u1eb7n xu\u1ed1ng \u0111\u00e1y bi\u1ec3n m\u00e0 ch\u1ec9 ng\u1eebng l\u1ea1i trong \u0111\u1ed9 s\u00e2u kh\u00f4ng qu\u00e1 10 m th\u00ec \u00e1p su\u1ea5t c\u1ee7a n\u01b0\u1edbc ch\u01b0a g\u00e2y ra phi\u1ec1n ph\u1ee9c g\u00ec, th\u00f4ng th\u01b0\u1eddng ch\u01b0a ph\u1ea3i nh\u1edd \u0111\u1ebfn thi\u1ebft b\u1ecb l\u1eb7n b\u1ea3o h\u1ed9. \u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 th\u1edf trong n\u01b0\u1edbc th\u00ec ph\u1ea3i mang b\u00ecnh l\u1eb7n tr\u00ean l\u01b0ng gi\u1ed1ng nh\u01b0 nhi\u1ec1u th\u1ee3 l\u1eb7n hi\u1ec7n nay. Nh\u01b0ng nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 b\u00ecnh l\u1eb7n oxi c\u1ed3ng k\u1ec1nh, dung t\u00edch b\u00ecnh c\u00f3 h\u1ea1n, kh\u00f4ng th\u1ec3 l\u1eb7n l\u00e2u \u0111\u01b0\u1ee3c, hai l\u00e0 b\u00ecnh l\u1eb7n r\u1ea5t n\u1eb7ng s\u1ebd l\u00e0m cho ng\u01b0\u1eddi l\u1eb7n chuy\u1ec3n \u0111\u1ed9ng kh\u00f4ng thu\u1eadn ti\u1ec7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 kh\u1ea3 n\u0103ng con ng\u01b0\u1eddi th\u1edf tr\u1ef1c ti\u1ebfp trong n\u01b0\u1edbc b\u1eb1ng mang nh\u00e2n t\u1ea1o nh\u01b0 c\u00e1 \u0111\u01b0\u1ee3c kh\u00f4ng? Nh\u00e0 khoa h\u1ecdc M\u1ef9 Loph\u01a1 \u0111\u00e3 ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u. \u00d4ng d\u00f9ng m\u00e0ng m\u1ecfng b\u1eb1ng \u0111\u1ed3ng silicua \u0111\u1ec3 ch\u1ebf t\u1ea1o b\u1ed9 ph\u1eadn c\u00f3 ch\u1ee9c n\u0103ng nh\u01b0 mang c\u00e1, sau \u0111\u00f3 b\u1ecf m\u1ed9t con chu\u1ed9t v\u00e0o b\u00ean trong r\u1ed3i d\u00ecm s\u00e2u xu\u1ed1ng n\u01b0\u1edbc. V\u00ec m\u00e0ng m\u1ecfng n\u00e0y ch\u1ec9 d\u00e0y m\u1ed9t 1\/400 mm gi\u1ed1ng nh\u01b0 m\u00e0ng cao su n\u00ean c\u00f3 th\u1ec3 ng\u0103n c\u1ea3n n\u01b0\u1edbc th\u1ea5m v\u00e0o, nh\u01b0ng oxi trong n\u01b0\u1edbc th\u1ea5m qua \u0111\u01b0\u1ee3c, c\u00f2n kh\u00ed cacbonic do chu\u1ed9t th\u1ea3i ra \u0111\u01b0\u1ee3c b\u00e0i ti\u1ebft theo h\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i, nh\u1edd \u0111\u00f3 m\u00e0 b\u1ea3o \u0111\u1ea3m \u0111\u01b0\u1ee3c s\u1ef1 h\u00f4 h\u1ea5p c\u1ee7a chu\u1ed9t, k\u1ebft qu\u1ea3 chu\u1ed9t s\u1ed1ng d\u01b0\u1edbi n\u01b0\u1edbc \u0111\u01b0\u1ee3c b\u1ed1n ng\u00e0y \u0111\u00eam.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 sau m\u1ed9t ng\u01b0\u1eddi Nh\u1eadt \u0111\u00e3 \u0111i s\u00e2u nghi\u00ean c\u1ee9u ph\u00e1t hi\u1ec7n 1 m2 lo\u1ea1i mang n\u00e0y m\u1ed7i ph\u00fat ch\u1ec9 l\u1ecdc \u0111\u01b0\u1ee3c 10 cm3 oxi. N\u1ebfu m\u1ed9t ng\u01b0\u1eddi m\u1ed7i ph\u00fat c\u1ea7n 200 cm3 oxi th\u00ec t\u1ed1i thi\u1ec3u ph\u1ea3i d\u00f9ng 20 m2 m\u00e0ng m\u1ecfng b\u1ecdc l\u1ea1i. R\u00f5 r\u00e0ng m\u1ed9t ng\u01b0\u1eddi th\u1edf v\u1edbi c\u00e1i t\u00fai c\u00f3 di\u1ec7n t\u00edch l\u1edbn nh\u01b0 th\u1ebf th\u00ec kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ef1 do d\u01b0\u1edbi n\u01b0\u1edbc \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u00e0 khoa h\u1ecdc Kul\u01a1sth\u01a1la H\u00e0 Lan \u0111\u00e3 <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">thi\u1ebft k\u1ebf<\/a> ra m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p th\u00ed nghi\u1ec7m ho\u00e0n to\u00e0n kh\u00e1c. \u00d4ng d\u00f9ng ch\u1ea5t l\u1ecfng th\u1ea9m th\u1ea5u \u0111\u1eb3ng \u00e1p tr\u1ef1c ti\u1ebfp cho v\u00e0o ph\u1ed5i c\u1ee7a \u0111\u1ed9ng v\u1eadt th\u00ed nghi\u1ec7m \u0111\u1ec3 n\u00f3 th\u1edf b\u1eb1ng n\u01b0\u1edbc. K\u1ebft qu\u1ea3 chu\u1ed9t s\u1ed1ng trong n\u01b0\u1edbc \u0111\u01b0\u1ee3c 18 gi\u1edd, s\u00e1u con ch\u00f3 s\u1ed1ng trong n\u01b0\u1edbc \u0111\u01b0\u1ee3c 20 &#8211; 30 ph\u00fat. M\u1eb7c d\u00f9 th\u00ed nghi\u1ec7m th\u1edf b\u1eb1ng ch\u1ea5t d\u1ecbch n\u00e0y v\u1eabn ch\u01b0a c\u00f3 hi\u1ec7u qu\u1ea3 tr\u00ean con ng\u01b0\u1eddi, nh\u01b0ng c\u0103n c\u1ee9 con s\u1ed1 c\u1ee7a nhi\u1ec1u th\u00ed nghi\u1ec7m thu \u0111\u01b0\u1ee3c \u0111\u1ec3 ph\u00e2n t\u00edch, c\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng, r\u1ed3i \u0111\u00e2y con ng\u01b0\u1eddi c\u00f3 th\u1ec3 s\u1ed1ng t\u1ef1 do trong n\u01b0\u1edbc \u0111\u01b0\u1ee3c. \u0110i\u1ec1u \u0111\u00f3 \u0111\u01b0a l\u1ea1i m\u1ed9t vi\u1ec5n c\u1ea3nh \u0111\u1eb9p \u0111\u1ebd. Nh\u00e0 khoa h\u1ecdc l\u1eb7n s\u00e2u d\u01b0\u1edbi n\u01b0\u1edbc K\u01a1stiao c\u1ee7a n\u01b0\u1edbc Ph\u00e1p d\u1ef1 \u0111o\u00e1n: sang th\u1ebf k\u1ec9 XXI con ng\u01b0\u1eddi c\u00f3 th\u1ec3 l\u1ee3i d\u1ee5ng mang nh\u00e2n t\u1ea1o \u0111\u1ec3 s\u1ed1ng v\u00e0 l\u00e0m vi\u1ec7c d\u01b0\u1edbi n\u01b0\u1edbc m\u1ed9t c\u00e1ch tho\u1ea3i m\u00e1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T \u1eeb kho\u00e1: Mang nh\u00e2n t\u1ea1o; Th\u1edf b\u1eb1ng n\u01b0\u1edbc.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bi\u1ec3n c\u1ea3 m\u00eanh m\u00f4ng, t\u00f4m c\u00e1 l\u00ean xu\u1ed1ng tung t\u0103ng, tho\u1ea3i m\u00e1i. L\u00fac th\u00ec ch\u00fang b\u01a1i l\u00ean \u0111\u00f3n \u00e1nh n\u1eafng M\u1eb7t T r\u1eddi, l\u00fac l\u1ea1i b\u01a1i xu\u1ed1ng s\u00e2u d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n. Ch\u00fang b\u01a1i l\u1ed9i t\u1ef1 do bi\u1ebft bao! X\u01b0a nay con ng\u01b0\u1eddi v\u1eabn m\u01a1 \u01b0\u1edbc nh\u01b0 c\u00e1 s\u1ed1ng \u0111\u01b0\u1ee3c d\u01b0\u1edbi n\u01b0\u1edbc. V\u1eady m\u01a1 \u01b0\u1edbc n\u00e0y [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,19],"tags":[],"class_list":["post-10209","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-tu-nhien"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10209","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=10209"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10209\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=10209"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=10209"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=10209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}