{"id":27515,"date":"2020-11-11T16:12:00","date_gmt":"2020-11-11T09:12:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=27515"},"modified":"2021-11-09T11:36:44","modified_gmt":"2021-11-09T04:36:44","slug":"sac-dien-thoai-di-dong-bang-chuyen-dong-nhe-cua-co-the","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/sac-dien-thoai-di-dong-bang-chuyen-dong-nhe-cua-co-the\/","title":{"rendered":"S\u1ea1c \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng b\u1eb1ng chuy\u1ec3n \u0111\u1ed9ng nh\u1eb9 c\u1ee7a c\u01a1 th\u1ec3"},"content":{"rendered":"\n<p>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Bath \u1edf Anh, Vi\u1ec7n Nghi\u00ean c\u1ee9u polyme Max Planck (\u0110\u1ee9c) v\u00e0 \u0110\u1ea1i h\u1ecdc Coimbra (B\u1ed3 \u0110\u00e0o Nha) \u0111\u00e3 ph\u1ed1i h\u1ee3p t\u00ecm ra c\u00e1ch s\u1ea3n xu\u1ea5t s\u1ee3i nilon \u0111\u1ee7 th\u00f4ng minh \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n t\u1eeb chuy\u1ec3n \u0111\u1ed9ng \u0111\u01a1n gi\u1ea3n c\u1ee7a c\u01a1 th\u1ec3. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u m\u1edf \u0111\u01b0\u1eddng cho ra \u0111\u1eddi lo\u1ea1i qu\u1ea7n \u00e1o th\u00f4ng minh theo d\u00f5i s\u1ee9c kh\u1ecfe c\u1ee7a con ng\u01b0\u1eddi th\u00f4ng qua c\u00e1c c\u1ea3m bi\u1ebfn thu nh\u1ecf v\u00e0 s\u1ea1c c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n m\u00e0 kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n b\u00ean ngo\u00e0i. Ph\u00e1t hi\u1ec7n n\u00e0y d\u1ef1a v\u00e0o c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u \u0111\u1ed9t ph\u00e1 v\u1ec1 lo\u1ea1i nilon \u00e1p \u0111i\u1ec7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng dung d\u1ecbch do GS. Kamal Asadi t\u1ea1i Khoa V\u1eadt l\u00fd thu\u1ed9c tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Bath v\u00e0 c\u1ef1u nghi\u00ean c\u1ee9u sinh TS. Saleem Anwar th\u1ef1c hi\u1ec7n.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.vista.gov.vn\/vn-uploads\/news\/2020_11\/11-11-2020\/2.jpg\" alt=\"\"\/><\/figure><\/div>\n\n\n\n<p>\u00c1p \u0111i\u1ec7n m\u00f4 t\u1ea3 hi\u1ec7n t\u01b0\u1ee3ng c\u01a1 n\u0103ng \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i th\u00e0nh \u0111i\u1ec7n n\u0103ng. \u0110\u01a1n gi\u1ea3n l\u00e0, khi b\u1ea1n ch\u1ea1m v\u00e0o ho\u1eb7c b\u00f3p m\u00e9o m\u1ed9t v\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n, n\u00f3 s\u1ebd sinh ra \u0111i\u1ec7n t\u00edch. Khi b\u1ed5 sung m\u1ea1ch \u0111i\u1ec7n, c\u00f3 th\u1ec3 khai th\u00e1c \u0111i\u1ec7n t\u00edch nh\u01b0 \u0111\u1ec3 l\u01b0u tr\u1eef trong t\u1ee5 \u0111i\u1ec7n v\u00e0 sau \u0111\u00f3 s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1ea5p cho \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng. Khi m\u1eb7c qu\u1ea7n \u00e1o \u00e1p \u0111i\u1ec7n nh\u01b0 \u00e1o s\u01a1 mi, th\u00ec th\u1eadm ch\u00ed m\u1ed9t c\u1eed \u0111\u1ed9ng \u0111\u01a1n gi\u1ea3n nh\u01b0 vung tay c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1c s\u1ee3i v\u1ea3i c\u1ee7a \u00e1o b\u1ecb bi\u1ebfn d\u1ea1ng \u0111\u1ee7 \u0111\u1ec3 s\u1ea3n sinh \u0111i\u1ec7n.<\/p>\n\n\n\n<p>GS. Asadi cho r\u1eb1ng: &#8220;<em>Nhu c\u1ea7u v\u1ea3i \u0111i\u1ec7n t\u1eed th\u00f4ng minh \u0111ang gia t\u0103ng nh\u01b0ng vi\u1ec7c t\u00ecm ki\u1ebfm c\u00e1c lo\u1ea1i s\u1ee3i nguy\u00ean li\u1ec7u \u0111i\u1ec7n t\u1eed r\u1ebb ti\u1ec1n v\u00e0 s\u1eb5n c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi qu\u1ea7n \u00e1o hi\u1ec7n nay l\u00e0 th\u00e1ch th\u1ee9c \u0111\u1ed1i v\u1edbi ng\u00e0nh d\u1ec7t may. V\u1eadt li\u1ec7u \u00e1p \u0111i\u1ec7n l\u00e0 \u1ee9ng vi\u00ean s\u00e1ng gi\u00e1 \u0111\u1ec3 thu n\u0103ng l\u01b0\u1ee3ng t\u1eeb c\u00e1c rung \u0111\u1ed9ng c\u01a1 h\u1ecdc nh\u01b0 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a c\u01a1 th\u1ec3, nh\u01b0ng h\u1ea7u h\u1ebft c\u00e1c v\u1eadt li\u1ec7u n\u00e0y l\u00e0 g\u1ed1m v\u00e0 ch\u1ee9a ch\u00ec \u0111\u1ed9c h\u1ea1i v\u00e0 khi\u1ebfn vi\u1ec7c t\u00edch h\u1ee3p ch\u00fang trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed mang theo ng\u01b0\u1eddi ho\u1eb7c qu\u1ea7n \u00e1o tr\u1edf n\u00ean kh\u00f3 kh\u0103n<\/em>&#8220;.<\/p>\n\n\n\n<p>T\u1eeb nh\u1eefng n\u0103m 1980, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 bi\u1ebft \u0111\u1ebfn t\u00ednh ch\u1ea5t \u00e1p \u0111i\u1ec7n c\u1ee7a nilon v\u00e0 th\u1ef1c t\u1ebf v\u1eadt li\u1ec7u n\u00e0y kh\u00f4ng ch\u1ee9a ch\u00ec v\u00e0 kh\u00f4ng \u0111\u1ed9c h\u1ea1i, \u0111\u00e3 khi\u1ebfn n\u00f3 tr\u1edf n\u00ean \u0111\u1eb7c bi\u1ec7t h\u1ea5p d\u1eabn. Tuy nhi\u00ean, lo\u1ea1i v\u1ea3i m\u1ec1m m\u1ecbn do con ng\u01b0\u1eddi t\u1ea1o ra, th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi \u00e1o ph\u00f4ng r\u1ebb ti\u1ec1n v\u00e0 t\u1ea5t qu\u1ea7n l\u00e0 &#8220;<em>ch\u1ea5t li\u1ec7u r\u1ea5t kh\u00f3 x\u1eed l\u00fd<\/em>&#8220;, theo GS. Asadi. \u201c<em>Vi\u1ec7c t\u1ea1o ra c\u00e1c s\u1ee3i nylon gi\u1eef \u0111\u01b0\u1ee3c t\u00ednh ch\u1ea5t \u00e1p \u0111i\u1ec7n l\u00e0 \u0111i\u1ec1u kh\u00f3 kh\u0103n<\/em>\u201d.<\/p>\n\n\n\n<p>\u1ede d\u1ea1ng polyme th\u00f4, nilon l\u00e0 lo\u1ea1i b\u1ed9t tr\u1eafng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c (t\u1ef1 nhi\u00ean ho\u1eb7c nh\u00e2n t\u1ea1o) v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u00fac th\u00e0nh v\u00f4 s\u1ed1 s\u1ea3n ph\u1ea9m, t\u1eeb qu\u1ea7n \u00e1o v\u00e0 l\u00f4ng b\u00e0n ch\u1ea3i \u0111\u00e1nh r\u0103ng \u0111\u1ebfn bao b\u00ec th\u1ef1c ph\u1ea9m v\u00e0 ph\u1ee5 t\u00f9ng xe h\u01a1i. Khi nilon b\u1ecb kh\u1eed th\u00e0nh d\u1ea1ng tinh th\u1ec3 c\u1ee5 th\u1ec3, n\u00f3 s\u1ebd tr\u1edf th\u00e0nh \u00e1p \u0111i\u1ec7n. Ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o ra c\u00e1c tinh th\u1ec3 nilon n\u00e0y l\u00e0 l\u00e0m tan ch\u1ea3y, l\u00e0m ngu\u1ed9i nhanh v\u00e0 sau \u0111\u00f3 k\u00e9o c\u0103ng nilon. Tuy nhi\u00ean, qu\u00e1 tr\u00ecnh n\u00e0y t\u1ea1o ra c\u00e1c t\u1ea5m d\u00e0y (\u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cm\u00e0ng\u201d) c\u00f3 t\u00ednh ch\u1ea5t \u00e1p \u0111i\u1ec7n nh\u01b0ng kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi qu\u1ea7n \u00e1o. Nilon s\u1ebd c\u1ea7n \u0111\u01b0\u1ee3c k\u00e9o c\u0103ng th\u00e0nh s\u1ee3i \u0111\u1ec3 d\u1ec7t th\u00e0nh qu\u1ea7n \u00e1o ho\u1eb7c th\u00e0nh m\u1ed9t m\u00e0ng m\u1ecfng \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed mang theo ng\u01b0\u1eddi.<\/p>\n\n\n\n<p>Th\u00e1ch th\u1ee9c s\u1ea3n xu\u1ea5t m\u00e0ng nilon \u00e1p \u0111i\u1ec7n m\u1ecfng \u0111\u01b0\u1ee3c cho l\u00e0 kh\u00f4ng th\u1ec3 v\u01b0\u1ee3t qua. Ngu\u1ed3n c\u1ea3m h\u1ee9ng ban \u0111\u1ea7u trong vi\u1ec7c t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m may m\u1eb7c b\u1eb1ng nylon \u00e1p \u0111i\u1ec7n \u0111\u00e3 gi\u1ea3m, d\u1eabn \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng nghi\u00ean c\u1ee9u trong l\u0129nh v\u1ef1c n\u00e0y g\u1ea7n nh\u01b0 d\u1eebng l\u1ea1i v\u00e0o nh\u1eefng n\u0103m 1990.<\/p>\n\n\n\n<p>Sau \u0111\u00f3, GS. Asadi v\u00e0 \u00f4ng Anwar &#8211; k\u1ef9 s\u01b0 d\u1ec7t may &#8211; \u0111\u00e3 th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn ho\u00e0n to\u00e0n m\u1edbi \u0111\u1ec3 s\u1ea3n xu\u1ea5t m\u00e0ng m\u1ecfng nilon \u00e1p \u0111i\u1ec7n. H\u1ecd \u0111\u00e3 h\u00f2a tan b\u1ed9t nylon trong dung m\u00f4i axit thay v\u00ec l\u00e0m tan ch\u1ea3y n\u00f3. Tuy nhi\u00ean, h\u1ecd ph\u00e1t hi\u1ec7n ra r\u1eb1ng m\u00e0ng th\u00e0nh ph\u1ea9m ch\u1ee9a c\u00e1c ph\u00e2n t\u1eed dung m\u00f4i b\u1ecb k\u1eb9t b\u00ean trong v\u1eadt li\u1ec7u, do \u0111\u00f3, c\u1ea3n tr\u1edf s\u1ef1 h\u00ecnh th\u00e0nh pha \u00e1p \u0111i\u1ec7n.<\/p>\n\n\n\n<p>T\u00ecnh c\u1edd, hai nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 ph\u00e1t hi\u1ec7n ra c\u00e1ch tr\u1ed9n dung d\u1ecbch axit v\u1edbi axeton (h\u00f3a ch\u1ea5t \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn nhi\u1ec1u nh\u1ea5t l\u00e0 ch\u1ea5t pha lo\u00e3ng s\u01a1n ho\u1eb7c ch\u1ea5t t\u1ea9y s\u01a1n m\u00f3ng tay) \u0111\u1ec3 h\u00f2a tan nilon v\u00e0 sau \u0111\u00f3 chi\u1ebft xu\u1ea5t axit m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 l\u1ea1i m\u00e0ng nylon trong pha \u00e1p \u0111i\u1ec7n. \u201c<em>Theo c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u, axeton li\u00ean k\u1ebft v\u1edbi c\u00e1c ph\u00e2n t\u1eed axit r\u1ea5t ch\u1eafc, n\u00ean khi axeton bay h\u01a1i kh\u1ecfi dung d\u1ecbch nilon, n\u00f3 s\u1ebd mang theo axit. Nh\u1eefng g\u00ec c\u00f2n l\u1ea1i l\u00e0 nilon \u1edf giai \u0111o\u1ea1n tinh th\u1ec3 \u00e1p \u0111i\u1ec7n c\u1ee7a n\u00f3. B\u01b0\u1edbc ti\u1ebfp theo l\u00e0 bi\u1ebfn nilon th\u00e0nh s\u1ee3i v\u00e0 sau \u0111\u00f3 t\u00edch h\u1ee3p v\u00e0o v\u1ea3i<\/em>&#8220;.<\/p>\n\n\n\n<p>T\u1ea1o ra s\u1ee3i \u00e1p \u0111i\u1ec7n l\u00e0 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn quan tr\u1ecdng \u0111\u1ec3 s\u1ea3n xu\u1ea5t v\u1ea3i \u0111i\u1ec7n t\u1eed v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng trong l\u0129nh v\u1ef1c s\u1ea3n xu\u1ea5t \u0111i\u1ec7n t\u1eed mang theo ng\u01b0\u1eddi. M\u1ee5c ti\u00eau l\u00e0 t\u00edch h\u1ee3p c\u00e1c y\u1ebfu t\u1ed1 \u0111i\u1ec7n t\u1eed nh\u01b0 c\u1ea3m bi\u1ebfn v\u00e0o m\u1ed9t lo\u1ea1i v\u1ea3i v\u00e0 \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n khi ch\u00fang ta di chuy\u1ec3n. R\u1ea5t c\u00f3 th\u1ec3, \u0111i\u1ec7n n\u0103ng thu \u0111\u01b0\u1ee3c t\u1eeb c\u00e1c s\u1ee3i v\u1ea3i c\u1ee7a qu\u1ea7n \u00e1o \u00e1p \u0111i\u1ec7n s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong pin \u0111\u1eb7t trong t\u00fai. Sau \u0111\u00f3, pin n\u00e0y s\u1ebd k\u1ebft n\u1ed1i v\u1edbi thi\u1ebft b\u1ecb b\u1eb1ng d\u00e2y ho\u1eb7c kh\u00f4ng d\u00e2y.<\/p>\n\n\n\n<p>GS. Asadi cho r\u1eb1ng: \u201c<em>Trong nh\u1eefng n\u0103m t\u1edbi, ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u00e1o ph\u00f4ng \u0111\u1ec3 c\u1ea5p \u0111i\u1ec7n cho thi\u1ebft b\u1ecb nh\u01b0 \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng khi ch\u00fang ta \u0111i b\u1ed9 trong r\u1eebng ho\u1eb7c \u0111\u1ec3 theo d\u00f5i s\u1ee9c kh\u1ecfe c\u1ee7a m\u00ecnh<\/em>\u201d.<\/p>\n\n\n\n<p class=\"has-text-align-right\"><em>N.P.D (NASATI)<\/em><\/p>\n\n\n\n<p class=\"has-text-align-right\"><em> theo https:\/\/www.sciencedaily.com\/releases\/2020\/11\/201106113900.htm, 6\/10\/2020<\/em><\/p>\n\n\n\n<p class=\"has-text-align-right\"><a href=\"https:\/\/www.vista.gov.vn\/news\/cac-linh-vuc-khoa-hoc-va-cong-nghe\/sac-dien-thoai-di-dong-bang-chuyen-dong-nhe-cua-co-the-3106.html\">https:\/\/www.vista.gov.vn\/news\/cac-linh-vuc-khoa-hoc-va-cong-nghe\/sac-dien-thoai-di-dong-bang-chuyen-dong-nhe-cua-co-the-3106.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Bath \u1edf Anh, Vi\u1ec7n Nghi\u00ean c\u1ee9u polyme Max Planck (\u0110\u1ee9c) v\u00e0 \u0110\u1ea1i h\u1ecdc Coimbra (B\u1ed3 \u0110\u00e0o Nha) \u0111\u00e3 ph\u1ed1i h\u1ee3p t\u00ecm ra c\u00e1ch s\u1ea3n xu\u1ea5t s\u1ee3i nilon \u0111\u1ee7 th\u00f4ng minh \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n t\u1eeb chuy\u1ec3n \u0111\u1ed9ng \u0111\u01a1n gi\u1ea3n c\u1ee7a c\u01a1 th\u1ec3. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u m\u1edf [&hellip;]<\/p>\n","protected":false},"author":25,"featured_media":29813,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-27515","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\/27515","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\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=27515"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/27515\/revisions"}],"predecessor-version":[{"id":29815,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/27515\/revisions\/29815"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/29813"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=27515"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=27515"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=27515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}