{"id":6102,"date":"2017-09-06T19:34:09","date_gmt":"2017-09-06T12:34:09","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=6102"},"modified":"2017-10-03T09:23:30","modified_gmt":"2017-10-03T02:23:30","slug":"cua-so-thong-minh-co-the-chuyen-mau-trong-vong-1-phut","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/cua-so-thong-minh-co-the-chuyen-mau-trong-vong-1-phut\/","title":{"rendered":"C\u1eeda s\u1ed5 th\u00f4ng minh c\u00f3 th\u1ec3 chuy\u1ec3n m\u00e0u trong v\u00f2ng 1 ph\u00fat"},"content":{"rendered":"

Theo m\u1ed9t nghi\u00ean c\u1ee9u m\u1edbi c\u1ee7a nh\u00f3m c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u1ebfn t\u1eeb \u0110\u1ea1i h\u1ecdc Stanford – Hoa K\u1ef3, c\u00f4ng ngh\u1ec7 c\u1eeda s\u1ed5 th\u00f4ng minh m\u1edbi c\u00f3 th\u1ec3 l\u00e0m m\u1edd k\u00ednh, thay \u0111\u1ed5i t\u1eeb d\u1ea1ng trong su\u1ed1t sang d\u1ea1ng t\u1ed1i trong kho\u1ea3ng th\u1eddi gian 1 ph\u00fat, c\u00f3 th\u1ec3 gi\u00fap c\u1eaft gi\u1ea3m chi ph\u00ed l\u00e0m n\u00f3ng v\u00e0 l\u00e0m m\u00e1t c\u00e1c t\u00f2a nh\u00e0 l\u00ean t\u1edbi 20%.<\/strong><\/p>\n

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C\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu trong m\u00e1y bay v\u00e0 \u00f4 t\u00f4. V\u00ed d\u1ee5, Boeing trang b\u1ecb c\u00e1c c\u1eeda s\u1ed5 nhu\u1ed9m m\u00e0u v\u00e0o chi\u1ebfc m\u00e1y bay ph\u1ea3n l\u1ef1c 787 Dreamliner h\u00e0ng \u0111\u1ea7u c\u1ee7a h\u00e3ng. M\u1ed9t s\u1ed1 nh\u00e0 s\u1ea3n xu\u1ea5t \u00f4 t\u00f4 h\u1ea1ng sang c\u0169ng s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u \u0111i\u1ec7n s\u1eafc \u0111\u1ec3 s\u1ea3n xu\u1ea5t g\u01b0\u01a1ng chi\u1ebfu h\u1eadu.<\/p>\n

C\u1eeda s\u1ed5 th\u00f4ng minh n\u00e0y d\u1ef1a v\u00e0o nguy\u00ean l\u00fd ho\u00e0n to\u00e0n kh\u00e1c so v\u1edbi nh\u1eefng gi\u1ea3i ph\u00e1p thay th\u1ebf hi\u1ec7n t\u1ea1i \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u1eeda s\u1ed5 \u0111\u1ed9ng. Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 s\u1eed d\u1ee5ng c\u00e1ch ti\u1ebfp c\u1eadn m\u1edbi b\u1eb1ng gel polymer c\u00f3 ch\u1ee9a ion kim lo\u1ea1i \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng tr\u00ean m\u1ed9t \u0111i\u1ec7n c\u1ef1c trong su\u1ed1t. Khi \u0111i\u1ec7n \u00e1p \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o, c\u00e1c ion kim lo\u1ea1i \u0111\u1eb7t tr\u00ean t\u1ea5m \u0111i\u1ec7n c\u1ef1c, ng\u0103n ch\u1eb7n t\u1ea5t c\u1ea3 c\u00e1c b\u01b0\u1edbc s\u00f3ng c\u1ee7a \u00e1nh s\u00e1ng. Sau khi \u0111i\u1ec7n \u00e1p \u0111\u1ed1i di\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o, c\u1eeda s\u1ed5 s\u1ebd chuy\u1ec3n \u0111\u1ed5i tr\u1edf l\u1ea1i trong su\u1ed1t.<\/p>\n

Tr\u01b0\u1edfng nh\u00f3m nghi\u00ean c\u1ee9u Michael McGehee – Gi\u00e1o s\u01b0 v\u1ec1 khoa h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt v\u1eadt li\u1ec7u t\u1ea1i \u0110\u1ea1i h\u1ecdc Stanford, cho bi\u1ebft: Ph\u01b0\u01a1ng ph\u00e1p m\u1edbi n\u00e0y mang l\u1ea1i nhi\u1ec1u \u01b0u \u0111i\u1ec3m so v\u1edbi c\u00f4ng ngh\u1ec7 c\u1eeda s\u1ed5 electrochromic (\u0111i\u1ec7n s\u1eafc) hi\u1ec7n t\u1ea1i.<\/p>\n

Trong nghi\u00ean c\u1ee9u, ch\u00fang t\u00f4i \u0111\u00e3 ti\u00eam dung d\u1ecbch polymer v\u00e0o k\u00ednh, v\u1ed1n \u00edt t\u1ed1n k\u00e9m v\u00e0 c\u00f3 th\u1ec3 m\u1edf \u0111\u01b0\u1eddng cho vi\u1ec7c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i c\u00e1c c\u1eeda s\u1ed5 nhu\u1ed9m m\u00e0u, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong x\u00e2y d\u1ef1ng. Trong c\u00e1c t\u00f2a nh\u00e0, c\u1eeda s\u1ed5 nhu\u1ed9m m\u00e0u c\u00f3 th\u1ec3 gi\u00fap c\u1eaft gi\u1ea3m chi ph\u00ed s\u01b0\u1edfi v\u00e0 l\u00e0m m\u00e1t l\u00ean \u0111\u1ebfn 20%, b\u1eb1ng c\u00e1ch cho ph\u00e9p m\u1ecdi ng\u01b0\u1eddi \u0111i\u1ec1u ch\u1ec9nh l\u01b0\u1ee3ng \u00e1nh s\u00e1ng \u0111i v\u00e0o ph\u00f2ng. Ngo\u00e0i ch\u1ebf \u0111\u1ed9 ho\u00e0n to\u00e0n trong su\u1ed1t ho\u1eb7c ho\u00e0n to\u00e0n t\u1ed1i, c\u1eeda s\u1ed5 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nhu\u1ed9m m\u00e0u m\u1ed9t ph\u1ea7n, ch\u1ec9 l\u1ecdc ra m\u1ed9t s\u1ed1 \u00e1nh s\u00e1ng. M\u1ecdi ng\u01b0\u1eddi trong ph\u00f2ng v\u1eabn c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y b\u00ean ngo\u00e0i r\u00f5 r\u00e0ng, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 khi h\u1ecd \u0111ang \u0111eo k\u00ednh r\u00e2m.<\/p>\n

McGehee n\u00f3i th\u00eam: C\u1eeda s\u1ed5 c\u00f3 th\u1ec3 ch\u1eb7n 90% \u00e1nh s\u00e1ng \u0111\u1ec3 gi\u1ea3m ch\u00f3i, nh\u01b0ng v\u1eabn c\u00f3 th\u1ec3 nh\u00ecn r\u00f5 m\u1ecdi th\u1ee9. So v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 tr\u01b0\u1edbc \u0111\u00f3, c\u1eeda s\u1ed5 \u0111\u1ed9ng b\u1ec1n h\u01a1n, nh\u1edd s\u1eed d\u1ee5ng kim lo\u1ea1i m\u00e0 kh\u00f4ng b\u1ecb ph\u00e2n h\u1ee7y do \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi.<\/p>\n

Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, nh\u00f3m nghi\u00ean c\u1ee9u \u0111i\u1ec1u tra \u0111\u00e3 b\u1eadt v\u00e0 t\u1eaft c\u1eeda s\u1ed5 \u00edt nh\u1ea5t 5.500 l\u1ea7n v\u00e0 kh\u00f4ng th\u1ea5y s\u1ef1 thay \u0111\u1ed5i trong vi\u1ec7c truy\u1ec1n \u00e1nh s\u00e1ng. Hi\u1ec7n t\u1ea1i, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ebf t\u1ea1o nguy\u00ean m\u1eabu c\u00f3 k\u00edch th\u01b0\u1edbc 25 cm2 v\u00e0 h\u1ecd \u0111\u00e3 \u0111\u00e0m ph\u00e1n v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 gi\u00fap h\u1ecd ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7.<\/p>\n

Ngu\u1ed3n T\u1ea1p ch\u00ed Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Theo m\u1ed9t nghi\u00ean c\u1ee9u m\u1edbi c\u1ee7a nh\u00f3m c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u1ebfn t\u1eeb \u0110\u1ea1i h\u1ecdc Stanford – Hoa K\u1ef3, c\u00f4ng ngh\u1ec7 c\u1eeda s\u1ed5 th\u00f4ng minh m\u1edbi c\u00f3 th\u1ec3 l\u00e0m m\u1edd k\u00ednh, thay \u0111\u1ed5i t\u1eeb d\u1ea1ng trong su\u1ed1t sang d\u1ea1ng t\u1ed1i trong kho\u1ea3ng th\u1eddi gian 1 ph\u00fat, c\u00f3 th\u1ec3 gi\u00fap c\u1eaft gi\u1ea3m chi ph\u00ed l\u00e0m n\u00f3ng […]<\/p>\n","protected":false},"author":17,"featured_media":6329,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-6102","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\/6102","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\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=6102"}],"version-history":[{"count":3,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/6102\/revisions"}],"predecessor-version":[{"id":6330,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/6102\/revisions\/6330"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/6329"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=6102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=6102"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=6102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}