{"id":132004,"date":"2024-05-13T10:16:51","date_gmt":"2024-05-13T02:16:51","guid":{"rendered":"https:\/\/www.alpapowder.com\/132004\/"},"modified":"2024-05-13T10:16:51","modified_gmt":"2024-05-13T02:16:51","slug":"kiem-soat-va-ung-dung-kich-thuoc-hat-son-tinh-dien","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/132004\/","title":{"rendered":"Ki\u1ec3m so\u00e1t v\u00e0 \u1ee9ng d\u1ee5ng k\u00edch th\u01b0\u1edbc h\u1ea1t s\u01a1n t\u0129nh \u0111i\u1ec7n"},"content":{"rendered":"

\"\"<\/p>\n

L\u1edbp ph\u1ee7 b\u1ed9t bao g\u1ed3m c\u00e1c h\u1ea1t micron c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t t\u1eeb 10 \u0111\u1ebfn 100 \u03bcm. Qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb v\u00e0 hi\u1ec7u su\u1ea5t \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi k\u00edch th\u01b0\u1edbc h\u1ea1t, bao g\u1ed3m \u0111i\u1ec7n t\u00edch b\u1ec1 m\u1eb7t, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh b\u1ea3o qu\u1ea3n, t\u1ed1c \u0111\u1ed9 n\u1ea1p b\u1ed9t trong qu\u00e1 tr\u00ecnh phun t\u0129nh \u0111i\u1ec7n v\u00e0 t\u1ea7ng s\u00f4i \u0110\u1ed9 \u1ed5n \u0111\u1ecbnh khi s\u1eed d\u1ee5ng, \u1ee9ng d\u1ee5ng b\u1ed9t g\u00f3c v\u00e0 hi\u1ec7u qu\u1ea3 ph\u1ee7, v.v. B\u1eaft \u0111\u1ea7u t\u1eeb c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t, m\u1ed1i t\u01b0\u01a1ng quan gi\u1eefa k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 \u0111i\u1ec7n t\u00edch b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c \u0111\u01b0a ra, m\u1edf r\u1ed9ng \u0111\u1ebfn t\u00e1c \u0111\u1ed9ng c\u1ee7a s\u1ef1 ph\u00e2n b\u1ed1 h\u1ea1t \u0111\u1ebfn \u0111\u1eb7c t\u00ednh s\u1ea3n ph\u1ea9m. N\u00f3 c\u0169ng th\u1ea3o lu\u1eadn c\u00e1ch \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee5 th\u1ec3 trong qu\u00e1 tr\u00ecnh nghi\u1ec1n v\u00e0 t\u00e1ch c\u01a1 h\u1ecdc.<\/p>\n

Trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t s\u01a1n t\u0129nh \u0111i\u1ec7n, k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u01b0\u1ee3c chia th\u00e0nh k\u00edch th\u01b0\u1edbc h\u1ea1t ph\u00f9 h\u1ee3p \u0111\u1ec3 ph\u1ee7 qua m\u00e1y nghi\u1ec1n trong nhi\u1ec1u th\u1eadp k\u1ef7. Tuy nhi\u00ean, kho\u1ea3ng c\u00e1ch c\u1ee1 h\u1ea1t thu \u0111\u01b0\u1ee3c khi nghi\u1ec1n truy\u1ec1n th\u1ed1ng th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng t\u1eeb 1,8 \u0111\u1ebfn 2,0, l\u00e0m gi\u1ea3m \u0111\u01b0\u1eddng k\u00ednh c\u1ea7n c\u00f3 l\u1ed1c xo\u00e1y k\u00e9p \u0111\u1ec3 lo\u1ea1i b\u1ecf b\u1ed9t m\u1ecbn, t\u1eeb \u0111\u00f3 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t v\u00e0 n\u0103ng su\u1ea5t s\u1ea3n ph\u1ea9m. Nghi\u1ec1n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t h\u1eb9p \u0111\u1ed3ng th\u1eddi \u0111\u1ea1t n\u0103ng su\u1ea5t cao lu\u00f4n l\u00e0 th\u00e1ch th\u1ee9c l\u1edbn trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p. Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, thi\u1ebft b\u1ecb nghi\u1ec1n t\u1ed1i \u01b0u h\u00f3a k\u00edch th\u01b0\u1edbc h\u1ea1t do Jiechen ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh hi\u1ec7u qu\u1ea3 h\u00e0m l\u01b0\u1ee3ng b\u1ed9t m\u1ecbn <10 \u03bcm b\u1eb1ng c\u00e1ch t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh nghi\u1ec1n v\u00e0 ph\u00e2n lo\u1ea1i, \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o r\u1eb1ng kh\u00f4ng t\u1ea1o ra b\u1ed9t m\u1ecbn b\u1eb1ng c\u00e1ch nghi\u1ec1n nhi\u1ec1u l\u1ea7n c\u00e1c h\u1ea1t l\u1edbn \u0111\u1ebfn ph\u1ea1m vi k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u00e3 \u0111\u1eb7t . C\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t l\u1edbn \u0111\u01b0\u1ee3c s\u00e0ng l\u1ecdc v\u00e0 lo\u1ea1i b\u1ecf, t\u1eeb \u0111\u00f3 ki\u1ec3m so\u00e1t s\u1ef1 ph\u00e2n b\u1ed5 k\u00edch th\u01b0\u1edbc h\u1ea1t trong ph\u1ea1m vi \u0111\u01b0\u1eddng k\u00ednh t\u1eeb 1,3 \u0111\u1ebfn 1,6. \u0110\u1ed3ng th\u1eddi, thu \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m c\u00f3 n\u1ed3ng \u0111\u1ed9 k\u00edch th\u01b0\u1edbc h\u1ea1t r\u1ea5t cao m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m n\u0103ng su\u1ea5t.<\/p>\n

Do s\u1ef1 k\u1ebft t\u1ee5 gi\u1eefa c\u00e1c h\u1ea1t n\u00ean k\u00edch th\u01b0\u1edbc h\u1ea1t c\u00e0ng nh\u1ecf th\u00ec h\u1ec7 s\u1ed1 r\u1ed7ng c\u00e0ng l\u1edbn; ph\u1ea1m vi ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u00e0ng r\u1ed9ng th\u00ec m\u1eadt \u0111\u1ed9 \u0111\u00f3ng g\u00f3i c\u00f3 xu h\u01b0\u1edbng l\u1edbn h\u01a1n do hi\u1ec7u \u1ee9ng l\u1ea5p \u0111\u1ea7y c\u1ee7a c\u00e1c h\u1ea1t nh\u1ecf gi\u1eefa c\u00e1c h\u1ea1t l\u1edbn. Kh\u00f4ng th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c vi\u1ec7c \u0111\u00f3ng g\u00f3i ch\u1eb7t ch\u1ebd ch\u1ec9 b\u1eb1ng m\u1ed9t h\u1ea1t. Ch\u1ec9 c\u00f3 nhi\u1ec1u k\u00edch c\u1ee1 h\u1ea1t m\u1edbi c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u00f3ng g\u00f3i ch\u1eb7t ch\u1ebd. H\u01a1n n\u1eefa, s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u00e0ng l\u1edbn th\u00ec m\u1eadt \u0111\u1ed9 \u0111\u00f3ng g\u00f3i c\u00e0ng cao. Khi kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c h\u1ea1t nh\u1ecf v\u00e0 h\u1ea1t l\u1edbn g\u1ea5p 4 \u0111\u1ebfn 5 l\u1ea7n, c\u00e1c h\u1ea1t m\u1ecbn h\u01a1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y. Trong c\u00e1c kho\u1ea3ng tr\u1ed1ng c\u1ee7a c\u00e1c h\u1ea1t l\u1edbn, h\u00ecnh d\u1ea1ng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u1ea5p \u0111\u1ea7y c\u1ee7a c\u00e1c h\u1ea1t c\u0169ng s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1eadt \u0111\u1ed9 \u0111\u00f3ng g\u00f3i. Khi c\u00f3 hai k\u00edch th\u01b0\u1edbc h\u1ea1t c\u00f3 t\u1ef7 l\u1ec7 s\u1ed1 l\u01b0\u1ee3ng l\u00e0 7:3 ho\u1eb7c ba k\u00edch th\u01b0\u1edbc h\u1ea1t c\u00f3 t\u1ef7 l\u1ec7 s\u1ed1 l\u01b0\u1ee3ng l\u00e0 7:1:2 th\u00ec to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng c\u00f3 m\u1eadt \u0111\u1ed9 \u0111\u00f3ng g\u00f3i cao nh\u1ea5t. M\u1eadt \u0111\u1ed9 kh\u1ed1i cao h\u01a1n c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a m\u00e0ng ph\u1ee7, t\u1eeb \u0111\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 san l\u1ea5p m\u1eb7t b\u1eb1ng v\u00e0 \u0111\u1ed9 b\u00f3ng tuy\u1ec7t v\u1eddi.<\/p>\n

Thi\u1ebft b\u1ecb nghi\u1ec1n th\u01b0\u1eddng nghi\u1ec1n b\u1ed9t s\u01a1n th\u00e0nh c\u00e1c c\u1ee1 h\u1ea1t ph\u00f9 h\u1ee3p l\u00e0 m\u00e1y nghi\u1ec1n ph\u00e2n lo\u1ea1i kh\u00f4ng kh\u00ed (ACM). Nguy\u00ean l\u00fd l\u00e0 sau khi c\u00e1c m\u1ea3nh v\u1ee5n \u0111i v\u00e0o \u0111\u0129a nghi\u1ec1n ch\u00ednh c\u1ee7a m\u00e1y nghi\u1ec1n, ch\u00fang \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00e0nh h\u1ea1t th\u00f4ng qua l\u1ef1c ly t\u00e2m v\u00e0 va ch\u1ea1m v\u1edbi c\u1ed9t nghi\u1ec1n c\u1ee7a m\u00e1y nghi\u1ec1n ch\u00ednh. Sau \u0111\u00f3, th\u00e0nh trong c\u1ee7a th\u00e2n nghi\u1ec1n \u0111\u01b0\u1ee3c lu\u1ed3ng kh\u00f4ng kh\u00ed \u0111\u01b0a \u0111\u1ebfn thi\u1ebft b\u1ecb ph\u00e2n t\u00e1ch l\u1ed1c xo\u00e1y \u0111\u1ec3 ph\u00e2n lo\u1ea1i k\u00edch th\u01b0\u1edbc h\u1ea1t. M\u00e1y nghi\u1ec1n bao g\u1ed3m m\u1ed9t m\u00e1y nghi\u1ec1n ch\u00ednh, m\u1ed9t m\u00e1y nghi\u1ec1n ph\u1ee5 (m\u00e1y ph\u00e2n lo\u1ea1i), m\u1ed9t s\u00e0ng l\u1ecdc v\u00e0 m\u1ed9t m\u00e1y t\u00e1ch l\u1ed1c xo\u00e1y. Th\u1ec3 t\u00edch kh\u00f4ng kh\u00ed v\u00e0 l\u1ef1a ch\u1ecdn m\u00e0n ch\u1eafn x\u00e1c \u0111\u1ecbnh t\u1ef7 l\u1ec7 h\u1ea1t nh\u1ecf v\u00e0 h\u1ea1t l\u1edbn; \u0111\u1ed3ng th\u1eddi, c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a l\u1edbp ph\u1ee7 b\u1ed9t, t\u1ed1c \u0111\u1ed9 c\u1ea5p li\u1ec7u, nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m m\u00f4i tr\u01b0\u1eddng v\u00e0 nhi\u1ec7t \u0111\u1ed9 cung c\u1ea5p kh\u00f4ng kh\u00ed c\u0169ng c\u00f3 t\u00e1c \u0111\u1ed9ng quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c h\u1ea1t nghi\u1ec1n.<\/p>\n

Nh\u00e0 m\u00e1y t\u1ed1i \u01b0u h\u00f3a k\u00edch th\u01b0\u1edbc h\u1ea1t c\u00f4ng nghi\u1ec7p h\u00f3a hi\u1ec7n nay c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 s\u1ef1 h\u00ecnh th\u00e0nh b\u1ed9t m\u1ecbn b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i s\u1ef1 c\u00e2n b\u1eb1ng c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra kh\u00f4ng kh\u00ed trong h\u1ec7 th\u1ed1ng v\u00e0 thu \u0111\u01b0\u1ee3c c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 n\u1ed3ng \u0111\u1ed9 k\u00edch th\u01b0\u1edbc h\u1ea1t cao. \u0110\u1ed3ng th\u1eddi, k\u00edch th\u01b0\u1edbc h\u1ea1t trung b\u00ecnh c\u00f3 th\u1ec3 n\u1eb1m trong kho\u1ea3ng t\u1eeb 15 \u0111\u1ebfn 60. \u0110\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh trong ph\u1ea1m vi \u03bcm, n\u00f3 c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t b\u00ecnh th\u01b0\u1eddng c\u0169ng nh\u01b0 c\u00e1c lo\u1ea1i b\u1ed9t ph\u1ee7 m\u1ecfng c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t trung b\u00ecnh t\u1eeb 15 \u0111\u1ebfn 25 \u03bcm.<\/p>\n","protected":false},"excerpt":{"rendered":"

L\u1edbp ph\u1ee7 b\u1ed9t bao g\u1ed3m c\u00e1c h\u1ea1t micron c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t t\u1eeb 10 \u0111\u1ebfn 100 \u03bcm. Qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb v\u00e0 hi\u1ec7u su\u1ea5t \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi k\u00edch th\u01b0\u1edbc h\u1ea1t<\/p>\n","protected":false},"author":7,"featured_media":86827,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-132004","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/132004"}],"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\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=132004"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/132004\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/86827"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=132004"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=132004"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=132004"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}