{"id":28816,"date":"2019-08-12T21:30:00","date_gmt":"2019-08-12T14:30:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28816"},"modified":"2021-10-03T21:31:46","modified_gmt":"2021-10-03T14:31:46","slug":"che-tao-thanh-cong-lo-xo-nano-giup-phan-huy-nhua-duoi-bien","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/che-tao-thanh-cong-lo-xo-nano-giup-phan-huy-nhua-duoi-bien\/","title":{"rendered":"Ch\u1ebf t\u1ea1o th\u00e0nh c\u00f4ng &#8216;l\u00f2 xo nano&#8217; gi\u00fap ph\u00e2n h\u1ee7y nh\u1ef1a d\u01b0\u1edbi bi\u1ec3n"},"content":{"rendered":"\n<p><strong>C\u00e1c nh\u00e0 khoa h\u1ecdc ch\u1ebf t\u1ea1o \u1ed1ng cu\u1ed9n si\u00eau nh\u1ecf t\u1eeb carbon, nit\u01a1 v\u00e0 mangan, c\u00f3 kh\u1ea3 n\u0103ng sinh ra ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc l\u00e0m tan h\u1ea1t vi nh\u1ef1a.<\/strong><\/p>\n\n\n\n<p>Nh\u00e0 khoa h\u1ecdc Xiaoguang Duan c\u00f9ng c\u00e1c \u0111\u1ed3ng nghi\u1ec7p t\u00ecm ra ph\u01b0\u01a1ng ph\u00e1p m\u1edbi \u0111\u1ec3 ph\u00e2n h\u1ee7y r\u00e1c th\u1ea3i nh\u1ef1a, theo nghi\u00ean c\u1ee9u \u0111\u0103ng tr\u00ean t\u1ea1p ch\u00ed Matter h\u00f4m 31\/7. Ph\u1ea7n l\u1edbn nh\u1ef1a kh\u00f4ng ph\u00e2n h\u1ee7y ho\u00e0n to\u00e0n m\u00e0 ch\u1ec9 v\u1ee1 th\u00e0nh nh\u1eefng m\u1ea9u nh\u1ecf h\u01a1n g\u1ecdi l\u00e0 h\u1ea1t vi nh\u1ef1a, \u0111\u01b0\u1eddng k\u00ednh d\u01b0\u1edbi 5 mm. H\u1ea1t vi nh\u1ef1a xu\u1ea5t hi\u1ec7n \u1edf kh\u1eafp n\u01a1i, t\u1eeb r\u00e3nh \u0111\u1ea1i d\u01b0\u01a1ng s\u00e2u nh\u1ea5t th\u1ebf gi\u1edbi Mariana \u0111\u1ebfn d\u00e3y n\u00fai Pyrenees, Ph\u00e1p.<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/e.khoahoc.tv\/photos\/image\/2019\/08\/12\/lo-xo-nano.jpg\" alt=\"\" width=\"750\" height=\"482\"><br>L\u00f2 xo nano c\u00f3 th\u1ec3 bi\u1ebfn nh\u1ef1a th\u00e0nh h\u1ed7n h\u1ee3p mu\u1ed1i, CO<sub>2<\/sub>&nbsp;v\u00e0 n\u01b0\u1edbc. (\u1ea2nh: Matter).<\/p>\n\n\n\n<p>Nh\u00f3m nghi\u00ean c\u1ee9u ch\u1ebf t\u1ea1o<strong>&nbsp;\u1ed1ng cu\u1ed9n nano<\/strong>&nbsp;(c\u00f4ng ngh\u1ec7 nano d\u00f9ng \u0111\u1ec3 ch\u1ec9 nh\u1eefng th\u1ee9 nh\u1ecf h\u01a1n m\u1ed9t ph\u1ea7n t\u1ef7 m\u00e9t, hay n\u1eeda chi\u1ec1u r\u1ed9ng c\u1ee7a s\u1ee3i t\u00f3c ng\u01b0\u1eddi) t\u1eeb carbon v\u1edbi h\u00ecnh d\u1ea1ng g\u1ea7n gi\u1ed1ng l\u00f2 xo, \u0111\u01b0\u1ee3c ph\u1ee7 nit\u01a1 v\u00e0 mangan. Hai th\u00e0nh ph\u1ea7n n\u00e0y t\u01b0\u01a1ng t\u00e1c v\u1edbi cu\u1ed9n nano \u0111\u1ec3 t\u1ea1o ra nh\u1eefng ph\u00e2n t\u1eed oxy ho\u1ea1t \u0111\u1ed9ng h\u00f3a h\u1ecdc m\u1ea1nh, t\u1ea5n c\u00f4ng h\u1ea1t vi nh\u1ef1a. Qu\u00e1 tr\u00ecnh n\u00e0y bi\u1ebfn nh\u1ef1a th\u00e0nh h\u1ed7n h\u1ee3p mu\u1ed1i, CO<sub>2<\/sub>&nbsp;v\u00e0 n\u01b0\u1edbc.<\/p>\n\n\n\n<p>Th\u1ea3 l\u00f2 xo nano v\u00e0o c\u00e1c m\u1eabu n\u01b0\u1edbc ch\u1ee9a h\u1ea1t vi nh\u1ef1a, Duan c\u00f9ng \u0111\u1ed3ng nghi\u1ec7p nh\u1eadn th\u1ea5y l\u01b0\u1ee3ng vi nh\u1ef1a gi\u1ea3m 30-50% trong 8 ti\u1ebfng. Nh\u00f3m nghi\u00ean c\u1ee9u c\u0169ng d\u1ec5 d\u00e0ng l\u1ea5y l\u00f2 xo ra kh\u1ecfi n\u01b0\u1edbc b\u1eb1ng nam ch\u00e2m \u0111\u1ec3 s\u1eed d\u1ee5ng cho nh\u1eefng l\u1ea7n sau.<\/p>\n\n\n\n<p>C\u00f4ng ngh\u1ec7 n\u00e0y \u0111ang trong giai \u0111o\u1ea1n s\u01a1 khai nh\u01b0ng c\u00f3 th\u1ec3 l\u00e0 bi\u1ec7n ph\u00e1p kh\u1ea3 thi \u0111\u1ec3 gi\u1ea3i quy\u1ebft m\u1ed9t v\u1ea5n \u0111\u1ec1 to\u00e0n c\u1ea7u, Duan nh\u1eadn \u0111\u1ecbnh. H\u1ecd c\u1ea7n th\u1eed nghi\u1ec7m th\u00eam tr\u01b0\u1edbc khi \u1ee9ng d\u1ee5ng trong c\u00e1c nh\u00e0 m\u00e1y l\u1ecdc n\u01b0\u1edbc hay d\u01b0\u1edbi bi\u1ec3n. \u0110\u00e2y c\u0169ng l\u00e0 m\u1ee5c ti\u00eau d\u00e0i h\u1ea1n c\u1ee7a nh\u00f3m nghi\u00ean c\u1ee9u.<\/p>\n\n\n\n<p>S\u1ed1 m\u1ea3nh r\u00e1c th\u1ea3i nh\u1ef1a d\u01b0\u1edbi bi\u1ec3n nhi\u1ec1u h\u01a1n s\u1ed1 ng\u00f4i sao trong d\u1ea3i Ng\u00e2n H\u00e0. Kho\u1ea3ng 14 tri\u1ec7u t\u1ea5n nh\u1ef1a \u0111\u01b0\u1ee3c th\u1ea3i ra bi\u1ec3n h\u00e0ng n\u0103m, 40% trong \u0111\u00f3 l\u00e0 nh\u1ef1a d\u00f9ng m\u1ed9t l\u1ea7n. Theo nghi\u00ean c\u1ee9u n\u0103m 2015, c\u00f3 kho\u1ea3ng 15-51 ngh\u00ecn t\u1ef7 h\u1ea1t vi nh\u1ef1a d\u01b0\u1edbi bi\u1ec3n, n\u1eb7ng 261.000 t\u1ea5n. Nhi\u1ec1u lo\u00e0i c\u00e1 v\u00e0 \u0111\u1ed9ng v\u1eadt c\u00f3 v\u1ecf m\u00e0 con ng\u01b0\u1eddi d\u00f9ng l\u00e0m th\u1ee9c \u0103n ch\u1ee9a vi nh\u1ef1a. C\u00e1c h\u1ea1t vi nh\u1ef1a c\u0169ng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong ch\u1ea5t th\u1ea3i c\u1ee7a con ng\u01b0\u1eddi. Gi\u1edbi khoa h\u1ecdc ch\u01b0a r\u00f5 ch\u00ednh x\u00e1c h\u1eadu qu\u1ea3 c\u1ee7a ch\u00fang \u0111\u1ebfn s\u1ee9c kh\u1ecfe.<\/p>\n\n\n\n<p><em>&#8220;\u1ede giai \u0111o\u1ea1n n\u00e0y, t\u00f4i tin m\u1ecdi bi\u1ec7n ph\u00e1p kh\u1ea3 thi \u0111\u1ec1u n\u00ean \u0111\u01b0\u1ee3c c\u00e2n nh\u1eafc v\u00e0 khuy\u1ebfn kh\u00edch&#8221;,<\/em>&nbsp;Duan chia s\u1ebb. Tuy nhi\u00ean, \u00f4ng c\u0169ng cho r\u1eb1ng c\u00f4ng ngh\u1ec7 m\u1edbi kh\u00f4ng ph\u1ea3i l\u00e0 c\u1edb \u0111\u1ec3 ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng v\u00e0 s\u1ea3n xu\u1ea5t b\u1eeba b\u00e3i nh\u1ef1a d\u00f9ng m\u1ed9t l\u1ea7n.&nbsp;<em>&#8220;Ph\u00f2ng tr\u00e1nh lu\u00f4n l\u00e0 gi\u1ea3i ph\u00e1p t\u1ed1t nh\u1ea5t&#8221;<\/em>, Duan nh\u1eadn x\u00e9t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c nh\u00e0 khoa h\u1ecdc ch\u1ebf t\u1ea1o \u1ed1ng cu\u1ed9n si\u00eau nh\u1ecf t\u1eeb carbon, nit\u01a1 v\u00e0 mangan, c\u00f3 kh\u1ea3 n\u0103ng sinh ra ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc l\u00e0m tan h\u1ea1t vi nh\u1ef1a. Nh\u00e0 khoa h\u1ecdc Xiaoguang Duan c\u00f9ng c\u00e1c \u0111\u1ed3ng nghi\u1ec7p t\u00ecm ra ph\u01b0\u01a1ng ph\u00e1p m\u1edbi \u0111\u1ec3 ph\u00e2n h\u1ee7y r\u00e1c th\u1ea3i nh\u1ef1a, theo nghi\u00ean c\u1ee9u \u0111\u0103ng tr\u00ean t\u1ea1p [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28816","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28816","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\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=28816"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28816\/revisions"}],"predecessor-version":[{"id":28817,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28816\/revisions\/28817"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28816"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}