{"id":6005,"date":"2016-11-04T19:17:02","date_gmt":"2016-11-04T12:17:02","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=6005"},"modified":"2017-10-03T16:53:00","modified_gmt":"2017-10-03T09:53:00","slug":"cong-nghe-bien-cai-bo-xoi-thanh-may-do-bom-min","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/cong-nghe-bien-cai-bo-xoi-thanh-may-do-bom-min\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 bi\u1ebfn c\u1ea3i b\u00f3 x\u00f4i th\u00e0nh m\u00e1y d\u00f2 bom m\u00ecn"},"content":{"rendered":"

C\u00f4ng ngh\u1ec7 n\u00e0y \u0111ang \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n b\u1edfi c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u1ebfn t\u1eeb Vi\u1ec7n c\u00f4ng ngh\u1ec7 Massachusetts (Hoa K\u1ef3).<\/strong><\/p>\n

\"\"<\/p>\n

Nh\u1eefng c\u00e2y c\u1ecf \u0111\u01b0\u1ee3c thay \u0111\u1ed5i c\u1ea5u tr\u00fac n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n ra bom m\u00ecn t\u1eeb \u0111\u1ed9 s\u00e2u 1m. Ngu\u1ed3n \u1ea3nh: gettyimage<\/em><\/p>\n

B\u1eb1ng c\u00e1ch c\u1ea5y nh\u1eefng \u1ed1ng nano v\u00e0o trong l\u00e1 c\u1ee7a c\u00e1c lo\u1ea1i c\u00e2y c\u1ecf, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f3 th\u1ec3 bi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh nh\u1eefng m\u00e1y d\u00f2 t\u00ecm c\u00e1c ph\u00e2n t\u1eed m\u00f9i c\u00f3 t\u00ean l\u00e0 nitro th\u01a1m t\u1ecfa ra t\u1eeb nh\u1eefng thi\u1ebft b\u1ecb g\u00e2y n\u1ed5 nh\u01b0 bom m\u00ecn. Th\u00f4ng tin thu th\u1eadp \u0111\u01b0\u1ee3c s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n ti\u1ebfp \u0111\u1ebfn m\u1ed9t thi\u1ebft b\u1ecb c\u1ea7m tay.<\/p>\n

C\u00f4ng ngh\u1ec7 n\u00e0y \u0111ang \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n b\u1edfi c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u1ebfn t\u1eeb Vi\u1ec7n c\u00f4ng ngh\u1ec7 Massachusetts (Hoa K\u1ef3). C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 c\u1ea5y gh\u00e9p c\u00e1c h\u1ea1t nano v\u00e0 \u1ed1ng nano carbon v\u00e0o l\u00e1 c\u1ee7a c\u00e2y rau bina.<\/p>\n

Sau \u0111\u00f3, h\u1ecd b\u01a1m ch\u1ea5t nitro th\u01a1m v\u00e0o n\u01b0\u1edbc. L\u01b0\u1ee3ng n\u01b0\u1edbc n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o r\u1ec5 v\u00e0 \u0111\u1ebfn tr\u1ef1c ti\u1ebfp nh\u1eefng chi\u1ebfc l\u00e1. To\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh m\u1ea5t ch\u01b0a \u0111\u1ebfn 10 ph\u00fat. \u0110\u1ec3 \u0111\u1ecdc t\u00edn hi\u1ec7u, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u s\u1ebd chi\u1ebfu tia laser v\u00e0o l\u00e1, khi\u1ebfn cho c\u00e1c \u1ed1ng nano c\u00f3 ch\u1ee9a ch\u1ea5t nitro th\u01a1m x\u1ea3y ra ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc v\u00e0 ph\u00e1t ra \u00e1nh s\u00e1ng hu\u1ef3nh quang ho\u1eb7c h\u1ed3ng ngo\u1ea1i.<\/p>\n

Lo\u1ea1i \u00e1nh s\u00e1ng n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n b\u1eb1ng m\u1ed9t camera h\u1ed3ng ngo\u1ea1i nh\u1ecf k\u1ebft n\u1ed1i v\u1edbi m\u00e1y t\u00ednh ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 b\u1eb1ng m\u1ed9t chi\u1ebfc \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh c\u00f3 g\u1eafn b\u1ed9 l\u1ecdc h\u1ed3ng ngo\u1ea1i.<\/p>\n

C\u00e1c \u1ed1ng nano cacbon l\u00e0 c\u00e1c d\u1ea1ng th\u00f9 h\u00ecnh c\u1ee7a cacbon. M\u1ed9t \u1ed1ng nano cacbon \u0111\u01a1n v\u00e1ch l\u00e0 m\u1ed9t t\u1ea5m than ch\u00ec \u0111\u1ed9 d\u00e0y m\u1ed9t-nguy\u00ean-t\u1eed cu\u1ed9n tr\u00f2n l\u1ea1i th\u00e0nh m\u1ed9t h\u00ecnh tr\u1ee5 li\u1ec1n, v\u1edbi \u0111\u01b0\u1eddng k\u00ednh c\u1ee1 nanomet (nm). \u0110i\u1ec1u n\u00e0y x\u1ea3y ra trong c\u00e1c c\u1ea5u tr\u00fac nano m\u00e0 \u1edf \u0111\u00f3 t\u1ec9 l\u1ec7 gi\u1eefa chi\u1ec1u d\u00e0i v\u00e0 \u0111\u01b0\u1eddng k\u00ednh v\u01b0\u1ee3t tr\u00ean 10.000 nm.<\/p>\n

C\u00e1c ph\u00e2n t\u1eed cacbon h\u00ecnh tr\u1ee5 \u0111\u00f3 c\u00f3 c\u00e1c t\u00ednh ch\u1ea5t th\u00fa v\u1ecb l\u00e0m cho ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng h\u1eefu d\u1ee5ng cao trong r\u1ea5t nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u1ee7a c\u00f4ng ngh\u1ec7 nano, c\u00f4ng nghi\u1ec7p \u0111i\u1ec7n t\u1eed, quang h\u1ecdc, v\u00e0 m\u1ed9t s\u1ed1 ng\u00e0nh khoa h\u1ecdc v\u1eadt li\u1ec7u kh\u00e1c. Ch\u00fang th\u1ec3 hi\u1ec7n \u0111\u1ed9 b\u1ec1n \u0111\u00e1ng kinh ng\u1ea1c v\u00e0 c\u00e1c t\u00ednh ch\u1ea5t \u0111i\u1ec7n \u0111\u1ed9c \u0111\u00e1o, v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t hi\u1ec7u qu\u1ea3. C\u00e1c \u1ed1ng nano v\u00f4 c\u01a1 c\u0169ng \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p.<\/p>\n

“K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u1ee7a ch\u00fang t\u00f4i c\u00f3 th\u1ec3 gi\u00fap b\u1ea5t k\u00ec ai c\u0169ng \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n ra bom m\u00ecn\u201d, theo l\u1eddi c\u1ee7a gi\u00e1o s\u01b0 Strano Phillipe, ng\u01b0\u1eddi d\u1eabn \u0111\u1ea7u c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u cho bi\u1ebft.<\/p>\n

Ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ee7a gi\u00e1o s\u01b0 Strano tr\u01b0\u1edbc \u0111\u00e2y t\u1eebng ph\u00e1t tri\u1ec3n c\u00e1c \u1ed1ng nano c\u00f3 ch\u1ee9c n\u0103ng nh\u01b0 nh\u1eefng b\u1ed9 c\u1ea3m bi\u1ebfn \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c h\u00f3a ch\u1ea5t nh\u01b0 hydrogen peroxide, TNT v\u00e0 kh\u00ed \u0111\u1ed9c sarin. Khi c\u00e1c ph\u00e2n t\u1eed h\u00f3a ch\u1ea5t c\u1ee5 th\u1ec3 li\u00ean k\u1ebft v\u1edbi v\u1eadt li\u1ec7u polymer b\u1ecdc xung quanh c\u00e1c \u1ed1ng nano, ch\u00fang s\u1ebd l\u00e0m cho to\u00e0n b\u1ed9 c\u1ea5u tr\u00fac ph\u00e1t ra m\u1ed9t lo\u1ea1i \u00e1nh s\u00e1ng kh\u00e1c bi\u1ec7t.<\/p>\n

“C\u00e1c lo\u1ea1i c\u00e2y n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u0129nh v\u1ef1c qu\u1ed1c ph\u00f2ng. B\u00ean c\u1ea1nh \u0111\u00f3, c\u00f3 th\u1ec3 d\u00f9ng ch\u00fang \u0111\u1ec3 theo d\u00f5i c\u00e1c c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng nh\u1eb1m ch\u1ed1ng kh\u1ee7ng b\u1ed1. Ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n c\u00e1c ph\u00e2n t\u1eed \u0111\u1ed9c h\u1ea1i c\u1ea3 trong n\u01b0\u1edbc v\u00e0 kh\u00f4ng kh\u00ed. Hi\u1ec7n nay, c\u00e1c lo\u1ea1i c\u00e2y c\u1ecf n\u00e0y \u0111\u00e3 c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n bom m\u00ecn t\u1eeb \u0111\u1ed9 s\u00e2u 1m t\u00ednh t\u1eeb b\u1ec1 m\u1eb7t\u201d, gi\u00e1o s\u01b0 Strano cho bi\u1ebft.<\/p>\n

Nh\u1eefng thu\u1ed9c t\u00ednh \u0111a d\u1ea1ng v\u00e0 chu\u1ea9n m\u1ef1c c\u1ee7a \u1ed1ng nano cacbon \u0111\u00e3 t\u1ea1o c\u1ea3m h\u1ee9ng cho r\u1ea5t nhi\u1ec1u nh\u1eefng \u1ee9ng d\u1ee5ng bao g\u1ed3m b\u00f3ng b\u00e1n d\u1eabn, c\u1ed5ng logic, d\u00e2y d\u1eabn, phim d\u1eabn, ngu\u1ed3n ph\u00e1t x\u1ea1 tr\u01b0\u1eddng, b\u1ed9 ph\u00e1t x\u1ea1 h\u1ed3ng ngo\u1ea1i, gia c\u1ed1 c\u01a1 kh\u00ed, c\u00e1c nguy\u00ean t\u1ed1 ch\u1ee9a hydro v\u00e0 c\u00e1c h\u1ed7 tr\u1ee3 x\u00fac t\u00e1c. Trong nh\u1eefng \u1ee9ng d\u1ee5ng n\u00e0y, phim d\u1eabn trong su\u1ed1t d\u1ef1a tr\u00ean \u1ed1ng nano cacbon \u0111\u00e3 thu h\u00fat nhi\u1ec1u s\u1ef1 ch\u00fa \u00fd g\u1ea7n \u0111\u00e2y.<\/p>\n

Nh\u1eefng ch\u1ea5t d\u1eabn trong su\u1ed1t l\u00e0 v\u1eadt li\u1ec7u trong su\u1ed1t v\u1ec1 m\u1eb7t quang h\u1ecdc, nh\u01b0ng c\u00f3 th\u1ec3 d\u1eabn \u0111i\u1ec7n. V\u1eadt li\u1ec7u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m \u0111i\u1ec7n c\u1ef1c trong m\u00e0n h\u00ecnh ph\u1eb3ng, m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng, k\u1ef9 thu\u1eadt chi\u1ebfu s\u00e1ng b\u1eb1ng ch\u1ea5t r\u1eafn v\u00e0 t\u1ebf b\u00e0o n\u0103ng l\u01b0\u1ee3ng M\u1eb7t tr\u1eddi. V\u1edbi nhu c\u1ea7u c\u1ea5p b\u00e1ch c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb n\u0103ng l\u01b0\u1ee3ng c\u00f3 hi\u1ec7u qu\u1ea3 cao v\u00e0 c\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng thay th\u1ebf, nhu c\u1ea7u \u0111\u1ed1i v\u1edbi phim d\u1eabn trong su\u1ed1t c\u0169ng t\u0103ng nhanh ch\u00f3ng.<\/p>\n

Phan Thanh<\/em>
\n www.khampha.vn<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00f4ng ngh\u1ec7 n\u00e0y \u0111ang \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n b\u1edfi c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u1ebfn t\u1eeb Vi\u1ec7n c\u00f4ng ngh\u1ec7 Massachusetts (Hoa K\u1ef3). Nh\u1eefng c\u00e2y c\u1ecf \u0111\u01b0\u1ee3c thay \u0111\u1ed5i c\u1ea5u tr\u00fac n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n ra bom m\u00ecn t\u1eeb \u0111\u1ed9 s\u00e2u 1m. Ngu\u1ed3n \u1ea3nh: gettyimage B\u1eb1ng c\u00e1ch c\u1ea5y nh\u1eefng \u1ed1ng nano v\u00e0o trong […]<\/p>\n","protected":false},"author":17,"featured_media":7122,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-6005","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\/6005","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=6005"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/6005\/revisions"}],"predecessor-version":[{"id":7124,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/6005\/revisions\/7124"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/7122"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=6005"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=6005"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=6005"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}