{"id":7978,"date":"2018-01-18T09:04:32","date_gmt":"2018-01-18T02:04:32","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=7978"},"modified":"2018-01-18T09:04:32","modified_gmt":"2018-01-18T02:04:32","slug":"phuong-phap-moi-giup-do-luong-chinh-xac-nhiet-do-dai-duong","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/phuong-phap-moi-giup-do-luong-chinh-xac-nhiet-do-dai-duong\/","title":{"rendered":"Ph\u01b0\u01a1ng ph\u00e1p m\u1edbi gi\u00fap \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea1i d\u01b0\u01a1ng"},"content":{"rendered":"<p><img decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/khoahocvacongnghevietnam.com.vn\/images\/stories\/thang-1-2018\/91-phuongphap.jpg\" alt=\"91 phuongphap\" \/><strong><br \/>\n<\/strong><\/p>\n<p>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p m\u1edbi ch\u00ednh x\u00e1c h\u01a1n \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea1i d\u01b0\u01a1ng b\u1eb1ng c\u00e1ch \u0111\u00e1nh gi\u00e1 s\u1ef1 t\u00edch t\u1ee5 c\u1ee7a kh\u00ed hi\u1ebfm (c\u00f2n g\u1ecdi l\u00e0 kh\u00ed tr\u01a1 ho\u1eb7c kh\u00ed qu\u00fd) \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong b\u0103ng \u1edf Nam c\u1ef1c, qua \u0111\u00f3 gi\u00fap \u0111\u01b0a ra k\u1ebft lu\u1eadn v\u1ec1 nh\u1eefng thay \u0111\u1ed5i trong nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc bi\u1ec3n t\u1eeb giai \u0111o\u1ea1n b\u0103ng h\u00e0 cu\u1ed1i c\u00f9ng cho t\u1edbi nay.<\/p>\n<p>Trong nghi\u00ean c\u1ee9u do Ph\u00f2ng Th\u00ed nghi\u1ec7m li\u00ean bang v\u1ec1 khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 v\u1eadt li\u1ec7u Th\u1ee5y S\u1ef9 (EMPA) c\u00f4ng b\u1ed1, m\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 khoa h\u1ecdc qu\u1ed1c t\u1ebf, g\u1ed3m c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u thu\u1ed9c EMPA v\u00e0 tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Bern, \u0111\u00e3 ph\u00e1t tri\u1ec3n ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng l\u00f5i b\u0103ng t\u1eeb Nam C\u1ef1c \u0111\u1ec3 \u0111o ch\u00ednh x\u00e1c h\u01a1n nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh \u0111\u1ea1i d\u01b0\u01a1ng to\u00e0n c\u1ea7u trong 24.000 n\u0103m qua, giai \u0111o\u1ea1n di\u1ec5n ra s\u1ef1 chuy\u1ec3n ti\u1ebfp t\u1eeb th\u1eddi k\u00ec b\u0103ng h\u00e0 cu\u1ed1i c\u00f9ng.<\/p>\n<p>Theo \u0111\u00f3, c\u00e1c l\u1edbp b\u0103ng v\u0129nh c\u1eedu \u1edf khu v\u1ef1c n\u00e0y \u0111\u00e3 h\u00ecnh th\u00e0nh m\u1ed9t &#8220;kho kh\u00ed quy\u1ec3n&#8221; ch\u1ee9a \u0111\u1ef1ng nh\u1eefng b\u1ecdt kh\u00f4ng kh\u00ed hay nh\u1eefng kh\u00ed hi\u1ebfm nh\u01b0 krypton, xenon v\u00e0 argon.<\/p>\n<p>Do n\u01b0\u1edbc l\u1ea1nh h\u00fat c\u00e1c kh\u00ed hi\u1ebfm t\u1eeb kh\u00ed quy\u1ec3n c\u00f2n n\u01b0\u1edbc \u1ea5m gi\u1ea3i ph\u00f3ng ch\u00fang, n\u00ean s\u1ef1 t\u00edch t\u1ee5 c\u00e1c kh\u00ed hi\u1ebfm trong nh\u1eefng b\u1ecdt kh\u00ed \u1edf l\u00f5i b\u0103ng c\u00f3 th\u1ec3 gi\u00fap c\u00e1c nh\u00e0 khoa h\u1ecdc \u01b0\u1edbc t\u00ednh \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh c\u1ee7a \u0111\u1ea1i d\u01b0\u01a1ng \u1edf th\u1eddi k\u00ec n\u00e0y.<\/p>\n<p>B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c m\u1ee9c t\u0103ng 2,6 \u0111\u1ed9 C trong nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh c\u1ee7a \u0111\u1ea1i d\u01b0\u01a1ng trong su\u1ed1t giai \u0111o\u1ea1n 10.000 n\u0103m.<\/p>\n<p>B\u00ean c\u1ea1nh \u0111\u00f3, nh\u00f3m nghi\u00ean c\u1ee9u c\u0169ng tin r\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y v\u1ec1 l\u00fd thuy\u1ebft c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 theo d\u00f5i nh\u1eefng thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 hi\u1ec7n nay, thay v\u00ec ch\u1ec9 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nh\u1eefng thay \u0111\u1ed5i quy m\u00f4 l\u1edbn nh\u01b0 trong giai \u0111o\u1ea1n chuy\u1ec3n ti\u1ebfp t\u1eeb th\u1eddi k\u00ec b\u0103ng h\u00e0 cu\u1ed1i c\u00f9ng cho \u0111\u1ebfn nay. \u0110i\u1ec1u n\u00e0y \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng b\u1edfi khi kh\u00ed h\u1eadu to\u00e0n c\u1ea7u \u1ea5m l\u00ean th\u00ec \u0111\u1ea1i \u0111\u01b0\u01a1ng l\u00e0 n\u01a1i h\u1ea5p th\u1ee5 ph\u1ea7n l\u1edbn l\u01b0\u1ee3ng nhi\u1ec7t t\u0103ng th\u00eam.<\/p>\n<p>Cho \u0111\u1ebfn nay, vi\u1ec7c \u0111o nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh c\u1ee7a \u0111\u1ea1i d\u01b0\u01a1ng r\u1ea5t ph\u1ee9c t\u1ea1p v\u00e0 th\u01b0\u1eddng sai l\u1ec7ch do s\u1ef1 thay \u0111\u1ed5i c\u1ee7a v\u1ecb tr\u00ed, m\u00f9a trong n\u0103m v\u00e0 \u0111\u1ed9 s\u00e2u \u0111\u1ea1i d\u01b0\u01a1ng.<\/p>\n<p>Theo EMPA, \u00fd t\u01b0\u1edfng xem x\u00e9t m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa s\u1ef1 t\u00edch t\u1ee5 c\u00e1c kh\u00ed hi\u1ebfm kh\u00ed quy\u1ec3n v\u00e0 nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh c\u1ee7a \u0111\u1ea1i d\u01b0\u01a1ng l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fang \u0111\u1eafn v\u00e0 mang l\u1ea1i k\u1ebft qu\u1ea3 trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh nh\u1eefng thay \u0111\u1ed5i trong nhi\u1ec7t \u0111\u1ed9 c\u1ee7a \u0111\u1ea1i d\u01b0\u01a1ng.<\/p>\n<p style=\"text-align: right;\"><em>VIETNAMPLUS<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p m\u1edbi ch\u00ednh x\u00e1c h\u01a1n \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea1i d\u01b0\u01a1ng b\u1eb1ng c\u00e1ch \u0111\u00e1nh gi\u00e1 s\u1ef1 t\u00edch t\u1ee5 c\u1ee7a kh\u00ed hi\u1ebfm (c\u00f2n g\u1ecdi l\u00e0 kh\u00ed tr\u01a1 ho\u1eb7c kh\u00ed qu\u00fd) \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong b\u0103ng \u1edf Nam c\u1ef1c, qua \u0111\u00f3 gi\u00fap \u0111\u01b0a ra k\u1ebft lu\u1eadn v\u1ec1 nh\u1eefng [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":7979,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-7978","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7978","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=7978"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7978\/revisions"}],"predecessor-version":[{"id":8013,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7978\/revisions\/8013"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/7979"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=7978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=7978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=7978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}