{"id":3497,"date":"2015-08-10T18:07:34","date_gmt":"2015-08-10T11:07:34","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=3497"},"modified":"2017-09-27T18:09:12","modified_gmt":"2017-09-27T11:09:12","slug":"phat-minh-vat-lieu-giay-moi-co-kha-nang-thay-the-kim-loai","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/phat-minh-vat-lieu-giay-moi-co-kha-nang-thay-the-kim-loai\/","title":{"rendered":"Ph\u00e1t minh v\u1eadt li\u1ec7u gi\u1ea5y m\u1edbi c\u00f3 kh\u1ea3 n\u0103ng thay th\u1ebf kim lo\u1ea1i"},"content":{"rendered":"<p><strong>T\u1eeb tr\u01b0\u1edbc \u0111\u1ebfn nay c\u00e1c k\u1ef9 s\u01b0 \u0111\u00e3 lu\u00f4n t\u00ecm ki\u1ebfm m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac b\u1ec1n v\u00e0 ch\u1eafc. Tuy nhi\u00ean, nh\u1eefng ti\u00eau chu\u1ea9n mong mu\u1ed1n c\u1ee7a h\u1ecd th\u01b0\u1eddng c\u00f3 xu h\u01b0\u1edbng t\u1ef1 lo\u1ea1i tr\u1eeb ho\u1eb7c kh\u1eafc ch\u1ebf nhau. &#8220;C\u00e1c v\u1eadt li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac c\u1ee9ng c\u00e1p th\u01b0\u1eddng c\u0169ng c\u00f3 xu h\u01b0\u1edbng gi\u00f2n, nh\u01b0 gang ho\u1eb7c kim c\u01b0\u01a1ng ch\u1eb3ng h\u1ea1n&#8221;, \u00f4ng Teng Li, Ph\u00f3 gi\u00e1o s\u01b0 k\u1ef9 thu\u1eadt c\u01a1 kh\u00ed t\u1ea1i tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Maryland chia s\u1ebb.<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3500\" src=\"http:\/\/ttud.com.vn\/wp-content\/uploads\/2017\/09\/10082015103758-duytranvat_lieu_moi_1.jpg\" alt=\"\" width=\"420\" height=\"279\" srcset=\"https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2017\/09\/10082015103758-duytranvat_lieu_moi_1.jpg 420w, https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2017\/09\/10082015103758-duytranvat_lieu_moi_1-300x199.jpg 300w\" sizes=\"auto, (max-width: 420px) 100vw, 420px\" \/><\/p>\n<p>Nh\u00f3m k\u1ef9 s\u01b0 n\u00e0y b\u1eaft \u0111\u1ea7u nghi\u00ean c\u1ee9u gi\u1ea5y \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb s\u1ee3i xenlul\u00f4, \u0111\u00e2y l\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u l\u1ea5y t\u1eeb th\u1ef1c v\u1eadt v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 h\u1ed3i ph\u1ee5c. H\u1ecd \u0111\u00e3 thi\u1ebft k\u1ebf nhi\u1ec1u m\u1eabu gi\u1ea5y v\u1edbi k\u00edch c\u1ee1 s\u1ee3i xenlul\u00f4 kh\u00e1c nhau, t\u1eeb 30 micromet cho \u0111\u1ebfn 10 nanomet. T\u1ea5t nhi\u00ean nh\u1eefng s\u1ee3i n\u00e0y \u0111\u1ec1u \u1edf k\u00edch th\u01b0\u1edbc r\u1ea5t nh\u1ecf m\u00e0 m\u1eaft th\u01b0\u1eddng ch\u00fang ta kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c.<\/p>\n<p>Qua nh\u1eefng m\u1eabu nghi\u00ean c\u1ee9u, c\u00e1c k\u1ef9 s\u01b0 nh\u1eadn th\u1ea5y lo\u1ea1i gi\u1ea5y \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb s\u1ee3i xenlul\u00f4 c\u00f3 \u0111\u1ed9 d\u00e0y 10 nanomet b\u1ec1n h\u01a1n g\u1ea5p 40 l\u1ea7n v\u00e0 ch\u1eafc h\u01a1n 130 l\u1ea7n so v\u1edbi lo\u1ea1i gi\u1ea5y vi\u1ebft th\u00f4ng th\u01b0\u1eddng, v\u1ed1n s\u1eed d\u1ee5ng s\u1ee3i xenlul\u00f4 l\u1edbn h\u01a1n 1.000 l\u1ea7n.<\/p>\n<p>\u0110i\u1ec1u khi\u1ebfn cho c\u00e1c s\u1ee3i xenlul\u00f4 b\u1ec1n v\u00e0 ch\u1eafc h\u01a1n c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c l\u00e0 do li\u00ean k\u1ebft hydro b\u00ean trong n\u00f3. Chu\u1ed7i xenlul\u00f4 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi nhau b\u1edfi li\u00ean k\u1ebft hydro, v\u00e0 khi xenlul\u00f4 b\u1ecb h\u1ecfng, li\u00ean k\u1ebft n\u00e0y c\u00f3 th\u1ec3 t\u1ef1 s\u1eafp x\u1ebfp c\u1ea5u tr\u00fac l\u1ea1i, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a v\u1eadt li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 t\u1ef1 h\u1ed3i ph\u1ee5c \u0111\u01b0\u1ee3c.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3501\" src=\"http:\/\/ttud.com.vn\/wp-content\/uploads\/2017\/09\/vat_lieu_moi_2.jpg\" alt=\"\" width=\"590\" height=\"330\" srcset=\"https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2017\/09\/vat_lieu_moi_2.jpg 590w, https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2017\/09\/vat_lieu_moi_2-300x168.jpg 300w\" sizes=\"auto, (max-width: 590px) 100vw, 590px\" \/><\/p>\n<p>B\u00ean c\u1ea1nh \u0111\u00f3, s\u1ee3i xenlul\u00f4 c\u00e0ng nh\u1ecf l\u1ea1i c\u00e0ng ch\u1ee9a nhi\u1ec1u li\u00ean k\u1ebft hydro, v\u00ec v\u1eady \u0111\u1ec3 c\u00f3 th\u1ec3 t\u1ea1o n\u00ean m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u b\u1ec1n, c\u1ee9ng r\u1eafn h\u01a1n c\u0169ng nh\u01b0 t\u1ef1 h\u1ed3i ph\u1ee5c nhanh h\u01a1n, con ng\u01b0\u1eddi c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng s\u1ee3i xenlul\u00f4 c\u00f3 k\u00edch th\u01b0\u1edbc c\u00e0ng nh\u1ecf c\u00e0ng t\u1ed1t. &#8220;V\u1edbi ph\u00e1t hi\u1ec7n m\u1edbi n\u00e0y, con ng\u01b0\u1eddi c\u00f3 th\u1ec3 t\u1ea1o ra \u0111\u01b0\u1ee3c c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u m\u1edbi kh\u00f4ng ch\u1ec9 b\u1ec1n v\u00e0 ch\u1eafc, m\u00e0 c\u00f2n nh\u1eb9 n\u1eefa&#8221;, \u00f4ng Li cho bi\u1ebft.<\/p>\n<p style=\"text-align: right;\">Ngu\u1ed3n khoahoc.tv<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1eeb tr\u01b0\u1edbc \u0111\u1ebfn nay c\u00e1c k\u1ef9 s\u01b0 \u0111\u00e3 lu\u00f4n t\u00ecm ki\u1ebfm m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac b\u1ec1n v\u00e0 ch\u1eafc. Tuy nhi\u00ean, nh\u1eefng ti\u00eau chu\u1ea9n mong mu\u1ed1n c\u1ee7a h\u1ecd th\u01b0\u1eddng c\u00f3 xu h\u01b0\u1edbng t\u1ef1 lo\u1ea1i tr\u1eeb ho\u1eb7c kh\u1eafc ch\u1ebf nhau. &#8220;C\u00e1c v\u1eadt li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac c\u1ee9ng c\u00e1p th\u01b0\u1eddng c\u0169ng c\u00f3 xu h\u01b0\u1edbng gi\u00f2n, [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":3500,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-3497","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\/3497","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=3497"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/3497\/revisions"}],"predecessor-version":[{"id":3502,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/3497\/revisions\/3502"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/3500"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=3497"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=3497"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=3497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}