{"id":9582,"date":"2011-06-07T08:12:58","date_gmt":"2011-06-07T01:12:58","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2011\/06\/xay-dung-quy-trinh-cong-nghe-chung-cat-tinh-dau-hoi-trong-phong-thi-nghiem-lam-co-so-cho-viec-tinh-toan-va-thiet-ke-he-thong-chung-cat-tinh-dau-hoi-quy-mo-nho\/"},"modified":"2015-05-19T14:22:49","modified_gmt":"2015-05-19T07:22:49","slug":"xay-dung-quy-trinh-cong-nghe-chung-cat-tinh-dau-hoi-trong-phong-thi-nghiem-lam-co-so-cho-viec-tinh-toan-va-thiet-ke-he-thong-chung-cat-tinh-dau-hoi-quy-mo-nho","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/xay-dung-quy-trinh-cong-nghe-chung-cat-tinh-dau-hoi-trong-phong-thi-nghiem-lam-co-so-cho-viec-tinh-toan-va-thiet-ke-he-thong-chung-cat-tinh-dau-hoi-quy-mo-nho\/","title":{"rendered":"X\u00e2y d\u1ef1ng quy tr\u00ecnh c\u00f4ng ngh\u1ec7 ch\u01b0ng c\u1ea5t tinh d\u1ea7u H\u1ed3i trong ph\u00f2ng th\u00ed nghi\u1ec7m l\u00e0m c\u01a1 s\u1edf cho vi\u1ec7c t\u00ednh to\u00e1n v\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng ch\u01b0ng c\u1ea5t tinh d\u1ea7u H\u1ed3i quy m\u00f4 nh\u1ecf"},"content":{"rendered":"

Nguy\u1ec5n V\u0103n D\u01b0\u1ee1ng, V\u0169 Th\u1ecb Ho\u00e0ng Ph\u01b0\u01a1ng<\/strong><\/p>\n

Trung t\u00e2m Nghi\u00ean c\u1ee9u L\u00e2m \u0111\u1eb7c s\u1ea3n<\/em><\/p>\n

T\u00d3M T\u1eaeT<\/strong><\/p>\n

C\u01a1 s\u1edf cho vi\u1ec7c t\u00ednh to\u00e1n v\u00e0 thi\u1ebft k\u1ebf b\u1ea5t k\u1ef3 m\u1ed9t lo\u1ea1i h\u00ecnh thi\u1ebft b\u1ecb ch\u1ebf bi\u1ebfn n\u00e0o c\u0169ng \u0111\u1ec1uph\u1ea3i d\u1ef1a tr\u00ean nh\u1eefng s\u1ed1 li\u1ec7u c\u1ee5 th\u1ec3 v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 c\u01a1 b\u1ea3n c\u1ee7a quy tr\u00ecnh c\u00f4ng ngh\u1ec7 ch\u1ebf bi\u1ebfn. Vi\u1ec7c thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng ch\u01b0ng c\u1ea5t tinh d\u1ea7u H\u1ed3i quy m\u00f4 nh\u1ecf c\u0169ng kh\u00f4ng ph\u1ea3i l\u00e0 ngo\u1ea1i l\u1ec7. \u0110\u1ec3 l\u00e0m c\u01a1 s\u1edf cho vi\u1ec7c t\u00ednh to\u00e1n, ch\u00fang t\u00f4i \u0111\u00e3 ti\u1ebfn h\u00e0nh c\u00e1c th\u00ed nghi\u1ec7m nh\u1eb1m x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a nguy\u00ean li\u1ec7u qu\u1ea3 H\u1ed3i c\u0169ng nh\u01b0 c\u00e1c th\u00f4ng s\u1ed1 c\u1ee7a qu\u00e1 tr\u00ecnh ch\u01b0ng c\u00e2t tinh d\u1ea7u H\u1ed3i. C\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a nguy\u00ean li\u1ec7u qu\u1ea3 H\u1ed3i t\u01b0\u01a1i: h\u00e0m \u1ea9m r\u1ea5t l\u1edbn, dao \u0111\u1ed9ng t\u1eeb 82,41 \u2013 85,49 %, kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang \u0111\u1ed5 \u0111\u1ed1ng: 642 \u2013 676 g\/dm3<\/sup> \u0111\u1ed1i v\u1edbi d\u1ea1ng nguy\u00ean qu\u1ea3 v\u00e0 681 \u2013 745 g\/dm3<\/sup> \u0111\u1ed1i v\u1edbi d\u1ea1ng c\u00e1n d\u1eadp. H\u00e0m l\u01b0\u1ee3ng tinh d\u1ea7u dao \u0111\u1ed9ng t\u1eeb 12,96 \u2013 16,78%, ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ecba ph\u01b0\u01a1ng l\u1ea5y m\u1eabu. T\u1ed5n th\u1ea5t tinh d\u1ea7u do s\u1ea5y 7,13 \u2013 9,00 %. C\u00e1c th\u00f4ng s\u1ed1 c\u1ee7a quy tr\u00ecnh c\u00f4ng ngh\u1ec7 ch\u01b0ng c\u1ea5t tinh d\u1ea7u H\u1ed3i trong ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh: th\u1eddi gian c\u1ea5t ki\u1ec7t: 480 ph\u00fat \u0111\u1ed1i v\u1edbi qu\u1ea3 H\u1ed3i nghi\u1ec1n nh\u1ecf, 750 ph\u00fat \u0111\u1ed1i v\u1edbi qu\u1ea3 H\u1ed3i c\u00e1n d\u1eadp v\u00e0 960 ph\u00fat \u0111\u1ed1i v\u1edbi qu\u1ea3 H\u1ed3i \u0111\u1ec3 nguy\u00ean; t\u1ef7 l\u1ec7 kh\u1ed1i l\u01b0\u1ee3ng ph\u00f9 h\u1ee3p gi\u1eefa nguy\u00ean li\u1ec7u v\u00e0 dung m\u00f4i l\u00e0 1\/8,5 \u2013 1\/11,5, ph\u1ee5 thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc x\u1eed l\u00fd m\u1eabu; t\u1ed1c \u0111\u1ed9 ch\u01b0ng c\u1ea5t \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh t\u1eeb 3 – 5 ml d\u1ecbch ng\u01b0ng \/ ph\u00fat.<\/p>\n

\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong><\/p>\n

T\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a c\u00e2y H\u1ed3i \u0111\u1ec1u c\u00f3 m\u00f9i th\u01a1mc\u1ee7a tinh d\u1ea7u. Nh\u01b0 v\u1eady, v\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft th\u00ec b\u1ed9 ph\u1eadn n\u00e0o c\u1ee7a c\u00e2y H\u1ed3i c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng l\u00e0m nguy\u00ean li\u1ec7u \u0111\u1ec3 ch\u01b0ng c\u1ea5t tinh d\u1ea7u. Song, tr\u00ean th\u1ef1c t\u1ebf, h\u1ea7u nh\u01b0 100% s\u1ea3n l\u01b0\u1ee3ng tinh d\u1ea7u H\u1ed3i s\u1ea3n xu\u1ea5t \u1edf n\u01b0\u1edbc ta \u0111\u1ec1u \u0111\u01b0\u1ee3c ch\u01b0ng c\u1ea5t t\u1eeb qu\u1ea3. C\u00f2n \u1edf Trung Qu\u1ed1c, ngo\u00e0i qu\u1ea3, ng\u01b0\u1eddi ta c\u00f2n ti\u1ebfn h\u00e0nh ch\u01b0ng c\u1ea5t tinh d\u1ea7u H\u1ed3i t\u1eeb l\u00e1. Ch\u1ea5t l\u01b0\u1ee3ng tinh d\u1ea7u H\u1ed3i t\u1eeb l\u00e1 k\u00e9m h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng tinh d\u1ea7u t\u1eeb qu\u1ea3. \u0110i\u1ec3m \u0111\u00f4ng c\u1ee7a lo\u1ea1i tinh d\u1ea7u H\u1ed3i ch\u01b0ng c\u1ea5t t\u1eeb l\u00e1 th\u01b0\u1eddng <140<\/sup>C.<\/p>\n

C\u00f4ng vi\u1ec7c ch\u01b0ng c\u1ea5t tinh d\u1ea7u h\u1ed3i \u1edf c\u00e1c \u0111\u1ecba ph\u01b0\u01a1ng thu\u1ed9c t\u1ec9nh L\u1ea1ng S\u01a1n \u0111\u1ec1u d\u1ef1a tr\u00ean ph\u01b0\u01a1ng ph\u00e1p ch\u01b0ng c\u1ea5t l\u00f4i cu\u1ed1n b\u1eb1ng h\u01a1i n\u01b0\u1edbc \u1edf \u00e1p su\u1ea5t th\u01b0\u1eddng. K\u1ebft qu\u1ea3 c\u1ee7a nh\u1eefng \u0111\u1ee3t kh\u1ea3o s\u00e1t v\u1eeba qua cho th\u1ea5y, c\u00e1c lo\u1ea1i h\u00ecnh thi\u1ebft b\u1ecb ch\u01b0ng c\u1ea5t hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c ng\u01b0\u1eddi d\u00e2n \u1edf \u0111\u00e2y s\u1eed d\u1ee5ng l\u00e0 mu\u00f4n h\u00ecnh mu\u00f4n v\u1ebb, c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1ec3 ch\u01b0ng c\u1ea5t tinh d\u1ea7u H\u1ed3i c\u0169ng r\u1ea5t kh\u00e1c nhau, \u1edf m\u1ed7i \u0111\u1ecba ph\u01b0\u01a1ng c\u00f3 m\u1ed9t ki\u1ec3u ch\u01b0ng c\u1ea5t ri\u00eang.<\/p>\n

T\u1ea1i khu v\u1ef1c Ch\u1ee3 B\u00e3i, huy\u1ec7n V\u0103n Quan, n\u01a1i c\u00f3 nhi\u1ec1u l\u00f2 ch\u01b0ng c\u1ea5t tinh d\u1ea7u H\u1ed3i ho\u1ea1t \u0111\u1ed9ng nh\u1ea5t c\u1ee7a c\u1ea3 t\u1ec9nh L\u1ea1ng S\u01a1n, c\u00f4ng vi\u1ec7c ch\u01b0ng c\u1ea5t tinh d\u1ea7u H\u1ed3i c\u1ee7a c\u00e1c ch\u1ee7 l\u00f2 c\u0169ng ho\u00e0n to\u00e0n kh\u00f4ng gi\u1ed1ng nhau, h\u1ecd l\u00e0m theo c\u00e1ch ri\u00eang truy\u1ec1n th\u1ed1ng c\u1ee7a gia \u0111\u00ecnh m\u00ecnh.<\/p>\n

B\u1edfi v\u1eady, vi\u1ec7c x\u00e2y d\u1ef1ng m\u1ed9t quy tr\u00ecnh c\u00f4ng ngh\u1ec7 ch\u01b0ng c\u1ea5t tinh d\u1ea7u H\u1ed3i trong ph\u00f2ng th\u00ed nghi\u1ec7m l\u00e0m c\u01a1 s\u1edf cho vi\u1ec7c thi\u1ebft k\u1ebf v\u00e0 ch\u1ebf t\u1ea1o h\u1ec7 th\u1ed1ng ch\u01b0ng c\u1ea5t tinh d\u1ea7u H\u1ed3i quy m\u00f4 nh\u1ecf l\u00e0 m\u1ed9t vi\u1ec7c l\u00e0m c\u1ea5p thi\u1ebft \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c n\u1ed9i dung m\u00e0 \u0111\u1ec1 t\u00e0i “Thi\u1ebft k\u1ebf, ch\u1ebf t\u1ea1o v\u00e0 chuy\u1ec3n giao h\u1ec7 th\u1ed1ng ch\u01b0ng c\u1ea5t tinh d\u1ea7u h\u1ed3i quy m\u00f4 nh\u1ecf” \u0111\u00e3 \u0111\u1ec1 ra.<\/p>\n

(T\u1ea1p ch\u00ed Khoa h\u1ecdc L\u00e2m nghi\u1ec7p, s\u1ed1 1 n\u0103m 2011, trang 1736-1744)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

\nC\u01a1 s\u1edf cho vi\u1ec7c tính toán và thi\u1ebft k\u1ebf b\u1ea5t k\u1ef3 m\u1ed9t lo\u1ea1i hình thi\u1ebft b\u1ecb ch\u1ebf bi\u1ebfn nào c\u0169ng \u0111\u1ec1u  <\/span>ph\u1ea3i d\u1ef1a trên nh\u1eefng s\u1ed1 li\u1ec7u c\u1ee5 th\u1ec3 v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a nguyên li\u1ec7u \u0111\u1ea7u vào và các thông s\u1ed1 c\u01a1 b\u1ea3n c\u1ee7a quy trình công ngh\u1ec7 ch\u1ebf bi\u1ebfn. Vi\u1ec7c thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng ch\u01b0ng c\u1ea5t tinh d\u1ea7u H\u1ed3i quy mô nh\u1ecf c\u0169ng không ph\u1ea3i là ngo\u1ea1i l\u1ec7. \u0110\u1ec3 làm c\u01a1 s\u1edf cho vi\u1ec7c tính toán, chúng tôi \u0111ã ti\u1ebfn hành các thí nghi\u1ec7m nh\u1eb1m xác \u0111\u1ecbnh các \u0111\u1eb7c tính c\u1ee7a nguyên li\u1ec7u qu\u1ea3 H\u1ed3i c\u0169ng nh\u01b0 các thông s\u1ed1 c\u1ee7a quá trình ch\u01b0ng cât tinh d\u1ea7u H\u1ed3i. <\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9582"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=9582"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9582\/revisions"}],"predecessor-version":[{"id":15255,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9582\/revisions\/15255"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9582"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9582"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}