{"id":113729,"date":"2021-11-12T14:36:36","date_gmt":"2021-11-12T06:36:36","guid":{"rendered":"https:\/\/www.alpapowder.com\/113729\/"},"modified":"2021-11-12T15:20:29","modified_gmt":"2021-11-12T07:20:29","slug":"cong-nghe-nghien-sieu-min-thuoc-bac","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/113729\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 nghi\u1ec1n si\u00eau m\u1ecbn thu\u1ed1c b\u1eafc"},"content":{"rendered":"

Li\u00ean quan \u0111\u1ebfn qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn c\u1ee7a y h\u1ecdc c\u1ed5 truy\u1ec1n Trung Qu\u1ed1c, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0a ra c\u00e1c t\u00ean v\u00e0 kh\u00e1i ni\u1ec7m kh\u00e1c nhau t\u1eeb c\u00e1c quan \u0111i\u1ec3m nghi\u00ean c\u1ee9u kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u1ea1t thu\u1ed1c b\u1eafc si\u00eau m\u1ecbn, mi\u1ebfng si\u00eau m\u1ecbn thu\u1ed1c b\u1eafc \u0111\u01a1n v\u1ecb v\u00e0 b\u1ed9t thu\u1ed1c b\u1eafc si\u00eau m\u1ecbn. V\u00ec c\u00e1c th\u00e0nh ph\u1ea7n h\u1eefu hi\u1ec7u c\u1ee7a thu\u1ed1c th\u1ef1c v\u1eadt v\u00e0 thu\u1ed1c \u0111\u1ed9ng v\u1eadt ch\u1ee7 y\u1ebfu ph\u00e2n b\u1ed1 trong t\u1ebf b\u00e0o v\u00e0 ch\u1ea5t gian b\u00e0o, v\u00e0 ch\u1ee7 y\u1ebfu \u1edf trong t\u1ebf b\u00e0o, n\u00ean m\u1ed9t s\u1ed1 ng\u01b0\u1eddi g\u1ecdi vi\u1ec7c nghi\u1ec1n th\u00e0nh b\u1ed9t nh\u1eb1m m\u1ee5c \u0111\u00edch ph\u00e1 v\u1ee1 t\u1ebf b\u00e0o c\u1ee7a d\u01b0\u1ee3c li\u1ec7u Trung Qu\u1ed1c l\u00e0 \u201cvi c\u1ea5p t\u1ebf b\u00e0o. s\u1ef1 nghi\u1ec1n th\u00e0nh b\u1ed9t c\u1ee7a y h\u1ecdc Trung Qu\u1ed1c. B\u1ed9t thu\u1ed1c b\u1eafc thu \u0111\u01b0\u1ee3c b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n nh\u1ecf \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “b\u1ed9t thu\u1ed1c b\u1eafc c\u1ea5p t\u1ebf b\u00e0o”. T\u01b0\u01a1ng t\u1ef1, y h\u1ecdc c\u1ed5 truy\u1ec1n Trung Qu\u1ed1c \u0111\u01b0\u1ee3c b\u00e0o ch\u1ebf tr\u00ean c\u01a1 s\u1edf b\u1ed9t thu\u1ed1c Trung Qu\u1ed1c c\u1ea5p t\u1ebf b\u00e0o \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “thu\u1ed1c Trung Qu\u1ed1c c\u1ea5p t\u1ebf b\u00e0o”, g\u1ecdi t\u1eaft l\u00e0 “thu\u1ed1c Trung Qu\u1ed1c b\u1ed9t vi m\u00f4”.<\/p>\n

\"\"<\/p>\n

M\u1ed9t s\u1ed1 ng\u01b0\u1eddi g\u1ecdi b\u1ed9t c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t l\u1edbn h\u01a1n 1\u03bcm l\u00e0 “b\u1ed9t m\u1ecbn”, v\u00e0 b\u1ed9t m\u1ecbn c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf h\u01a1n 1\u03bcm l\u00e0 “b\u1ed9t si\u00eau m\u1ecbn”. Tr\u00ean th\u1ef1c t\u1ebf, v\u1ec1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a thu\u1ed1c \u0110\u00f4ng y, c\u00e1c lo\u1ea1i thu\u1ed1c \u0110\u00f4ng y si\u00eau nh\u1ecf v\u00e0 nano hi\u1ec7n \u0111ang trong qu\u00e1 tr\u00ecnh nghi\u00ean c\u1ee9u c\u0169ng \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o nh\u00f3m ch\u1ebf ph\u1ea9m si\u00eau vi m\u00f4 c\u1ee7a thu\u1ed1c \u0110\u00f4ng y. Lu Fuer v\u00e0 c\u1ed9ng s\u1ef1. cho r\u1eb1ng “c\u00e1c ch\u1ebf ph\u1ea9m thu\u1ed1c b\u1eafc vi l\u01b0\u1ee3ng” thu\u1ed9c ch\u1ebf ph\u1ea9m vi h\u1ea1t c\u1ea5p t\u1ebf b\u00e0o, l\u00e0 m\u1ed9t d\u1ea1ng b\u00e0o ch\u1ebf m\u1edbi \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 cao hi\u1ec7n \u0111\u1ea1i v\u00e0 c\u00e1c k\u1ef9 thu\u1eadt ch\u1ebf bi\u1ebfn, b\u00e0o ch\u1ebf truy\u1ec1n th\u1ed1ng. N\u00f3i chung, k\u00edch th\u01b0\u1edbc h\u1ea1t ph\u1ea3i l\u00e0 1-75\u03bcm. Thu\u1ed1c c\u1ed5 truy\u1ec1n Trung Qu\u1ed1c trong ph\u1ea1m vi c\u00f3 th\u1ec3 duy tr\u00ec c\u01a1 s\u1edf v\u1eadt ch\u1ea5t d\u01b0\u1ee3c l\u1ef1c h\u1ecdc v\u1ed1n c\u00f3 c\u1ee7a thu\u1ed1c c\u1ed5 truy\u1ec1n Trung Qu\u1ed1c. “Thu\u1ed1c b\u1eafc micron” bao g\u1ed3m c\u00e1c nguy\u00ean li\u1ec7u vi l\u01b0\u1ee3ng c\u1ee7a thu\u1ed1c b\u1eafc, c\u00e1c ch\u1ea5t chi\u1ebft xu\u1ea5t t\u1eeb \u200b\u200bvi ch\u1ea5t c\u1ee7a thu\u1ed1c b\u1eafc v\u00e0 c\u00e1c ch\u1ebf ph\u1ea9m thu\u1ed1c b\u1eafc c\u00f3 vi l\u01b0\u1ee3ng, l\u00e0m t\u0103ng t\u1ef7 l\u1ec7 ph\u00e1 v\u1ee1 th\u00e0nh t\u1ebf b\u00e0o c\u1ee7a nguy\u00ean li\u1ec7u thu\u1ed1c b\u1eafc l\u00ean h\u01a1n 90%. C\u00e1i g\u1ecdi l\u00e0 “thu\u1ed1c b\u1eafc nano” d\u00f9ng \u0111\u1ec3 ch\u1ec9 c\u00e1c th\u00e0nh ph\u1ea7n h\u1eefu hi\u1ec7u, c\u00e1c b\u1ed9 ph\u1eadn h\u1eefu hi\u1ec7u, thu\u1ed1c g\u1ed1c v\u00e0 c\u00e1c ch\u1ebf ph\u1ea9m h\u1ee3p ch\u1ea5t c\u1ee7a c\u00e1c lo\u1ea1i thu\u1ed1c c\u1ed5 truy\u1ec1n c\u1ee7a Trung Qu\u1ed1c c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf h\u01a1n 100nm \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 nano. N\u00f3 l\u00e0 m\u1ed9t lo\u1ea1i b\u1ed9t thu\u1ed1c b\u1eafc sau khi nano h\u00f3a. Theo quan \u0111i\u1ec3m tr\u00ean, m\u1ed9t s\u1ed1 nh\u00e0 nghi\u00ean c\u1ee9u chia b\u1ed9t si\u00eau m\u1ecbn th\u00e0nh c\u1ea5p micron (> 1\u03bcm), c\u1ea5p submicron (0,1-1\u03bcm) v\u00e0 c\u1ea5p nano (1-100nm), v\u00e0 chia c\u00f4ng ngh\u1ec7 b\u1ed9t si\u00eau m\u1ecbn th\u00e0nh c\u00f4ng ngh\u1ec7 micron. , C\u00f4ng ngh\u1ec7 Submicron v\u00e0 c\u00f4ng ngh\u1ec7 nano.<\/p>\n

\u0110\u00e1nh gi\u00e1 v\u1ec1 ti\u1ebfn \u0111\u1ed9 nghi\u00ean c\u1ee9u hi\u1ec7n nay, m\u1eb7c d\u00f9 c\u00f3 r\u1ea5t nhi\u1ec1u t\u00ean g\u1ecdi m\u00e1y xay si\u00eau m\u1ecbn c\u1ee7a Trung y nh\u01b0ng kh\u00e1i ni\u1ec7m v\u00e0 n\u1ed9i h\u00e0m li\u00ean quan kh\u00f4ng gi\u1ed1ng nhau, h\u1ea7u h\u1ebft \u0111\u1ec1u cho r\u1eb1ng m\u00e1y nghi\u1ec1n si\u00eau m\u1ecbn c\u1ee7a thu\u1ed1c Trung Qu\u1ed1c l\u00e0 ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n th\u00e0nh b\u1ed9t \u1edf c\u1ea5p \u0111\u1ed9 t\u1ebf b\u00e0o c\u1ee7a thu\u1ed1c Trung Qu\u1ed1c. K\u00edch th\u01b0\u1edbc h\u1ea1t d\u01b0\u1edbi 75\u03bcm. V\u1edbi s\u1ef1 \u0111\u00e0o s\u00e2u li\u00ean t\u1ee5c c\u1ee7a c\u00f4ng vi\u1ec7c nghi\u00ean c\u1ee9u, \u0111\u1ecbnh ngh\u0129a hay kh\u00e1i ni\u1ec7m v\u1ec1 nghi\u1ec1n si\u00eau m\u1ecbn c\u1ee7a y h\u1ecdc c\u1ed5 truy\u1ec1n Trung Qu\u1ed1c s\u1ebd khoa h\u1ecdc v\u00e0 ch\u00ednh x\u00e1c h\u01a1n.<\/p>\n

M\u00e1y xay si\u00eau m\u1ecbn thu\u1ed1c b\u1eafc c\u00f3 t\u1ed1c \u0111\u1ed9 ph\u00e1 v\u1ee1 th\u00e0nh t\u1ebf b\u00e0o cao, c\u00f3 l\u1ee3i cho vi\u1ec7c gi\u1ea3i ph\u00f3ng v\u00e0 h\u1ea5p th\u1ee5 thu\u1ed1c. B\u1ed9t thu\u1ed1c nghi\u1ec1n th\u00f4ng th\u01b0\u1eddng c\u00f3 t\u1ef7 l\u1ec7 ph\u00e1 v\u1ee1 th\u00e0nh t\u1ebf b\u00e0o th\u1ea5p. Khi thu\u1ed1c v\u00e0o c\u01a1 th\u1ec3, c\u00e1c h\u1ea1t b\u1ed9t c\u1ee7a b\u1ed9t thu\u1ed1c s\u1ebd h\u00fat n\u01b0\u1edbc v\u00e0 n\u1edf ra, \u0111\u1ed3ng th\u1eddi c\u00e1c ho\u1ea1t ch\u1ea5t li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng ra kh\u1ecfi th\u00e0nh t\u1ebf b\u00e0o v\u00e0 m\u00e0ng t\u1ebf b\u00e0o th\u00f4ng qua qu\u00e1 tr\u00ecnh khu\u1ebfch t\u00e1n. S\u1ef1 khu\u1ebfch t\u00e1n \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00eanh l\u1ec7ch n\u1ed3ng \u0111\u1ed9 gi\u1eefa b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i t\u1ebf b\u00e0o. Khi s\u1ef1 ch\u00eanh l\u1ec7ch n\u1ed3ng \u0111\u1ed9 gi\u1eefa b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i t\u1ebf b\u00e0o nh\u1ecf ho\u1eb7c c\u00e2n b\u1eb1ng, t\u1ed1c \u0111\u1ed9 gi\u1ea3i ph\u00f3ng ho\u1ea1t ch\u1ea5t s\u1ebd r\u1ea5t ch\u1eadm ho\u1eb7c th\u1eadm ch\u00ed d\u1eebng l\u1ea1i. Ho\u1ea1t ch\u1ea5t n\u1eb1m trong t\u1ebf b\u00e0o b\u00ean trong \u0111\u00f4i khi b\u1ecb \u0111\u00e0o th\u1ea3i ra ngo\u00e0i tr\u01b0\u1edbc khi k\u1ecbp gi\u1ea3i ph\u00f3ng n\u00ean th\u01b0\u1eddng kh\u00f4ng \u0111\u1ea1t. \u0110\u1ec3 m\u1ed9t n\u1ed3ng \u0111\u1ed9 \u0111i\u1ec1u tr\u1ecb hi\u1ec7u qu\u1ea3.<\/p>\n

\"\"<\/p>\n

Sau m\u00e1y xay si\u00eau m\u1ecbn thu\u1ed1c b\u1eafc, t\u1ef7 l\u1ec7 ph\u00e1 v\u1ee1 th\u00e0nh t\u1ebf b\u00e0o cao, c\u00e1c ho\u1ea1t ch\u1ea5t ti\u1ebfp x\u00fac tr\u01b0\u1edbc khi \u0111i v\u00e0o c\u01a1 th\u1ec3. Sau khi v\u00e0o c\u01a1 th\u1ec3, c\u00e1c th\u00e0nh ph\u1ea7n h\u00f2a tan s\u1ebd nhanh ch\u00f3ng \u0111\u01b0\u1ee3c h\u00f2a tan. Kh\u1ea3 n\u0103ng k\u1ebft d\u00ednh tuy\u1ec7t v\u1eddi v\u00e0 b\u00e1m ch\u1eb7t v\u00e0o ni\u00eam m\u1ea1c th\u00e0nh trong c\u1ee7a \u1ed1ng ti\u00eau h\u00f3a n\u00ean k\u00e9o d\u00e0i th\u1eddi gian l\u01b0u tr\u00fa trong \u1ed1ng ti\u00eau h\u00f3a, h\u1ea5p thu \u0111\u1ea7y \u0111\u1ee7 h\u01a1n th\u00ec l\u01b0\u1ee3ng h\u1ea5p thu s\u1ebd t\u0103ng l\u00ean. V\u00ec h\u1ea7u h\u1ebft th\u00e0nh t\u1ebf b\u00e0o b\u1ecb ph\u00e1 h\u1ee7y trong qu\u00e1 tr\u00ecnh nghi\u1ec1n n\u00e1t, c\u00e1c th\u00e0nh ph\u1ea7n hi\u1ec7u qu\u1ea3 kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111i qua th\u00e0nh t\u1ebf b\u00e0o v\u00e0 qu\u00e1 tr\u00ecnh gi\u1ea3i ph\u00f3ng m\u00e0ng t\u1ebf b\u00e0o. B\u1eb1ng c\u00e1ch n\u00e0y, qu\u00e1 tr\u00ecnh nghi\u1ec1n th\u00e0nh b\u1ed9t si\u00eau m\u1ecbn v\u01b0\u1ee3t tr\u1ed9i h\u01a1n nhi\u1ec1u so v\u1edbi nghi\u1ec1n b\u1ed9t th\u00f4ng th\u01b0\u1eddng v\u1ec1 t\u1ed1c \u0111\u1ed9 gi\u1ea3i ph\u00f3ng thu\u1ed1c v\u00e0 l\u01b0\u1ee3ng gi\u1ea3i ph\u00f3ng. Thu\u1ed1c kho\u00e1ng c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi micromet ngay c\u1ea3 sau khi nghi\u1ec1n si\u00eau m\u1ecbn, c\u00f3 l\u1ee3i cho vi\u1ec7c h\u1ea5p th\u1ee5 thu\u1ed1c v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 ch\u1eefa b\u1ec7nh.<\/p>\n","protected":false},"excerpt":{"rendered":"

Li\u00ean quan \u0111\u1ebfn qu\u00e1 tr\u00ecnh nghi\u1ec1n si\u00eau m\u1ecbn c\u1ee7a y h\u1ecdc c\u1ed5 truy\u1ec1n Trung Qu\u1ed1c, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0a ra c\u00e1c t\u00ean v\u00e0 kh\u00e1i ni\u1ec7m kh\u00e1c nhau t\u1eeb c\u00e1c quan \u0111i\u1ec3m nghi\u00ean c\u1ee9u kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u1ea1t thu\u1ed1c b\u1eafc si\u00eau m\u1ecbn, mi\u1ebfng si\u00eau m\u1ecbn thu\u1ed1c b\u1eafc \u0111\u01a1n v\u1ecb v\u00e0 b\u1ed9t thu\u1ed1c b\u1eafc si\u00eau m\u1ecbn.<\/p>\n","protected":false},"author":6,"featured_media":111190,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[1066,1067,1065],"class_list":["post-113729","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi","tag-mai-sieu-min","tag-may-xay-sieu-min-thuoc-bac","tag-y-hoc-trung-quoc"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/113729","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=113729"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/113729\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/111190"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=113729"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=113729"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=113729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}