{"id":19835,"date":"2022-05-19T07:10:12","date_gmt":"2022-05-19T07:10:12","guid":{"rendered":"http:\/\/dgbellvietnam.com\/temperature-and-humidity-control-technology-of-temperature-test-chamber\/"},"modified":"2024-10-25T14:46:45","modified_gmt":"2024-10-25T07:46:45","slug":"temperature-and-humidity-control-technology-of-temperature-test-chamber","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/temperature-and-humidity-control-technology-of-temperature-test-chamber\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ee7a bu\u1ed3ng th\u1eed nhi\u1ec7t \u0111\u1ed9"},"content":{"rendered":"
\n

1 Gi\u1edbi thi\u1ec7u<\/span><\/span><\/strong><\/span><\/span><\/h1>\n

Trong ng\u00e0nh c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i, qu\u00e1 tr\u00ecnh x\u1eed l\u00fd c\u1ee7a nhi\u1ec1u s\u1ea3n ph\u1ea9m c\u1ea7n \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ee5 th\u1ec3. C\u00e1c th\u1eed nghi\u1ec7m ki\u1ec3m tra hi\u1ec7u su\u1ea5t nh\u01b0 \u0111\u1ed9 tin c\u1eady, kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a nhi\u1ec1u s\u1ea3n ph\u1ea9m c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ee5 th\u1ec3. L\u1ea5y th\u1eed nghi\u1ec7m chu\u1ea9n c\u1ee7a \u0111\u00e8n LED l\u00e0m v\u00ed d\u1ee5, c\u00e1c th\u1eed nghi\u1ec7m ki\u1ec3m tra li\u00ean quan \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m bao g\u1ed3m <\/span><\/span>th\u1eed nghi\u1ec7m chu k\u1ef3 nhi\u1ec7t \u0111\u1ed9 nhanh<\/span><\/span><\/a> , th\u1eed nghi\u1ec7m nhi\u1ec7t \u1ea9m xen k\u1ebd v\u00e0 th\u1eed nghi\u1ec7m \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady s\u1edbm, th\u1eed nghi\u1ec7m \u0111\u1ed9 nh\u1ea1y \u1ee9ng su\u1ea5t gi\u1edbi h\u1ea1n, v.v., trong \u0111\u00f3 th\u1eed nghi\u1ec7m chu k\u1ef3 nhi\u1ec7t \u0111\u1ed9 nhanh y\u00eau c\u1ea7u m\u00f4i tr\u01b0\u1eddng ph\u1ea3i tu\u1ea7n ho\u00e0n gi\u1eefa nhi\u1ec7t \u0111\u1ed9 cao + 85 \u2103 v\u00e0 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p – 40 \u2103 v\u1edbi t\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 l\u00e0 10 \u2103 \/ ph\u00fat: th\u1eed nghi\u1ec7m nhi\u1ec7t \u1ea9m xen k\u1ebd y\u00eau c\u1ea7u s\u1ea3n ph\u1ea9m ph\u1ea3i \u1edf tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng v\u00e0 ngu\u1ed3n \u0111i\u1ec7n m\u1eabu \u0111\u01b0\u1ee3c b\u1eadt v\u00e0 t\u1eaft \u1edf giai \u0111o\u1ea1n nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 \u1ea9m cao trong m\u1ed7i chu k\u1ef3. Th\u1eddi gian t\u1eaft ngu\u1ed3n kh\u00f4ng \u00edt h\u01a1n 3 ph\u00fat v\u00e0 kh\u00f4ng qu\u00e1 6 ph\u00fat, nhi\u1ec7t \u0111\u1ed9 gi\u1edbi h\u1ea1n tr\u00ean l\u00e0 55 \u2103, nhi\u1ec7t \u0111\u1ed9 gi\u1edbi h\u1ea1n d\u01b0\u1edbi l\u00e0 – 10 \u2103;<\/span><\/span><\/span><\/p>\n

Ki\u1ec3m tra \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady ban \u0111\u1ea7u y\u00eau c\u1ea7u s\u1ea3n ph\u1ea9m ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh d\u01b0\u1edbi \u1ee9ng su\u1ea5t \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 70\u2103 v\u00e0 \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i 85%, \u0111\u1ed3ng th\u1eddi ki\u1ec3m so\u00e1t tr\u1ea1ng th\u00e1i ngu\u1ed3n b\u1eadt v\u00e0 t\u1eaft trong 15 gi\u00e2y; Ki\u1ec3m tra \u0111\u1ed9 nh\u1ea1y \u1ee9ng su\u1ea5t gi\u1edbi h\u1ea1n y\u00eau c\u1ea7u nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng b\u1eaft \u0111\u1ea7u t\u1eeb 85\u2103 v\u00e0 duy tr\u00ec b\u01b0\u1edbc 1 gi\u1edd \u1edf b\u01b0\u1edbc nhi\u1ec7t \u0111\u1ed9 15\u2103.<\/span><\/span><\/span><\/p>\n

\u0110\u1ec3 t\u1ea1o ra m\u1ed9t m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ee5 th\u1ec3, nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 vi\u1ec7n nghi\u00ean c\u1ee9u khoa h\u1ecdc \u0111\u00e3 nghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 s\u1ea3n ph\u1ea9m c\u1ee7a <\/span><\/span>bu\u1ed3ng th\u1eed nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p<\/span><\/span><\/a> , <\/span><\/span>bu\u1ed3ng th\u1eed nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m kh\u00f4ng \u0111\u1ed5i<\/span><\/span><\/a> , v.v. M\u1eb7c d\u00f9 c\u00f3 c\u00e1c bu\u1ed3ng th\u1eed nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p, bu\u1ed3ng th\u1eed nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m kh\u00f4ng \u0111\u1ed5i v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m kh\u00e1c c\u00f3 c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng \u0111\u1ed1i ho\u00e0n thi\u1ec7n tr\u00ean th\u1ecb tr\u01b0\u1eddng, nh\u01b0ng \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ee7a ch\u00fang v\u1eabn ch\u01b0a \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 kh\u1ea3 quan. Do \u0111\u00f3, b\u00e0i b\u00e1o n\u00e0y t\u1eadp trung v\u00e0o vi\u1ec7c ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ee7a bu\u1ed3ng th\u1eed nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m li\u00ean quan, nh\u1eb1m l\u00e0m s\u00e1ng t\u1ecf nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m c\u1ee7a c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 vi\u1ec7n nghi\u00ean c\u1ee9u khoa h\u1ecdc c\u00f3 li\u00ean quan trong c\u00e1c l\u0129nh v\u1ef1c li\u00ean quan.<\/span><\/span><\/span><\/p>\n

2 C\u00f4ng ngh\u1ec7 \u0111i\u1ec1u khi\u1ec3n<\/span><\/span><\/strong><\/span><\/span><\/h1>\n

2.1 M\u1ed1i quan h\u1ec7 gi\u1eefa nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m<\/span><\/span><\/span><\/h1>\n

Trong bu\u1ed3ng th\u1eed k\u00edn, nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m kh\u00f4ng ph\u1ea3i l\u00e0 hai \u0111\u1ea1i l\u01b0\u1ee3ng ki\u1ec3m so\u00e1t \u0111\u1ed9c l\u1eadp. Ch\u00fang \u1ea3nh h\u01b0\u1edfng l\u1eabn nhau, t\u1ee9c l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p trong \u0111i\u1ec1u khi\u1ec3n. S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 \u1ea9m. Nh\u00ecn chung, vi\u1ec7c t\u0103ng nhi\u1ec7t \u0111\u1ed9 s\u1ebd l\u00e0m bay h\u01a1i h\u01a1i n\u01b0\u1edbc ng\u01b0ng t\u1ee5 v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ea9m c\u1ee7a bu\u1ed3ng th\u1eed, trong khi vi\u1ec7c gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 s\u1ebd ng\u01b0ng t\u1ee5 m\u1ed9t s\u1ed1 h\u01a1i n\u01b0\u1edbc th\u00e0nh c\u00e1c gi\u1ecdt n\u01b0\u1edbc v\u00e0 l\u00e0m gi\u1ea3m \u0111\u1ed9 \u1ea9m. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 \u1ea9m c\u0169ng s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9. S\u1ef1 gia t\u0103ng \u0111\u1ed9 \u1ea9m, vi\u1ec7c phun h\u01a1i n\u01b0\u1edbc l\u1ea1nh s\u1ebd l\u00e0m gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u1ee7a bu\u1ed3ng th\u1eed v\u00e0 nhi\u1ec7t gi\u1ea3i ph\u00f3ng do h\u01a1i n\u01b0\u1edbc ng\u01b0ng t\u1ee5 trong qu\u00e1 tr\u00ecnh gi\u1ea3m \u0111\u1ed9 \u1ea9m s\u1ebd l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9. Do \u0111\u00f3, trong qu\u00e1 tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n, ch\u00fang ta ph\u1ea3i xem x\u00e9t s\u1ef1 k\u1ebft h\u1ee3p, v\u00e0 trong \u0111i\u1ec1u khi\u1ec3n ri\u00eang bi\u1ec7t, ch\u00fang ta c\u1ea7n th\u1ef1c hi\u1ec7n t\u00e1ch r\u1eddi.<\/span><\/span><\/span><\/p>\n

2.2 Ch\u1ebf \u0111\u1ed9 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m<\/span><\/span><\/span><\/h2>\n

Ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ee7a bu\u1ed3ng th\u1eed nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m truy\u1ec1n th\u1ed1ng l\u00e0 ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m PID ch\u1ed1ng b\u00e3o h\u00f2a t\u00edch ph\u00e2n v\u00e0 bthc. Ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u khi\u1ec3n PID ch\u1ed1ng b\u00e3o h\u00f2a t\u00edch ph\u00e2n ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p t\u00e1ch t\u00edch ph\u00e2n v\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u00e1ch PID, ngh\u0129a l\u00e0 khi theo d\u00f5i l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n, hi\u1ec7u \u1ee9ng t\u00edch ph\u00e2n b\u1ecb h\u1ee7y b\u1ecf v\u00e0 thu\u1eadt ng\u1eef t\u1ef7 l\u1ec7 c\u00f3 th\u1ec3 nhanh ch\u00f3ng theo d\u00f5i s\u1ef1 thay \u0111\u1ed5i c\u1ee7a \u0111\u1ed9 l\u1ec7ch. Khi l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n g\u1ea7n v\u1edbi gi\u00e1 tr\u1ecb \u0111\u00e3 cho, h\u00e0m t\u00edch ph\u00e2n \u0111\u01b0\u1ee3c th\u00eam v\u00e0o, do \u0111\u00f3 c\u00f3 th\u1ec3 r\u00fat ng\u1eafn th\u1eddi gian \u1ed5n \u0111\u1ecbnh, c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf l\u1ed7i t\u0129nh v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u \u1ee9ng hi\u1ec7u ch\u1ec9nh t\u00edch ph\u00e2n. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ph\u00e1t huy \u0111\u1ea7y \u0111\u1ee7 ch\u1ee9c n\u0103ng \u0111i\u1ec1u ch\u1ec9nh c\u1ee7a t\u1eebng b\u1ed9 ph\u1eadn c\u1ee7a b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh PID v\u00e0 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng. T\u1eeb nguy\u00ean l\u00fd c\u1ee7a n\u00f3, c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh l\u00e0m t\u0103ng \u0111\u1ed9 kh\u00f3 th\u1ef1c hi\u1ec7n v\u00e0 v\u1ea5n \u0111\u1ec1 gh\u00e9p n\u1ed1i c\u1ee7a nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m kh\u00f4ng \u0111\u01b0\u1ee3c xem x\u00e9t. M\u1eb7c d\u00f9 hi\u1ec7u \u1ee9ng \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n so v\u1edbi \u0111i\u1ec1u khi\u1ec3n PID truy\u1ec1n th\u1ed1ng, nh\u01b0ng n\u00f3 kh\u00f4ng th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u00e1c y\u00eau c\u1ea7u \u0111i\u1ec1u khi\u1ec3n v\u1ec1 hi\u1ec7u su\u1ea5t cao.<\/span><\/span><\/span><\/p>\n

3 C\u00f4ng ngh\u1ec7 \u0111i\u1ec1u khi\u1ec3n v\u00f2ng k\u00edn k\u00e9p nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m<\/span><\/span><\/strong><\/span><\/h1>\n

H\u1ec7 th\u1ed1ng \u0111i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 DC v\u00f2ng k\u00edn k\u00e9p l\u00e0 ph\u01b0\u01a1ng ph\u00e1p c\u1ed5 \u0111i\u1ec3n trong \u0111i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 DC. N\u00f3 c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 ph\u1ea1m vi \u0111i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 r\u1ed9ng, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh t\u1ed1t, \u0111\u1ed9 ch\u00ednh x\u00e1c \u1ed5n \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 cao, ph\u1ea3n \u1ee9ng nhanh v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u m\u1ea1nh. Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a n\u00f3 l\u00e0 th\u00eam m\u1ed9t v\u00f2ng l\u1eb7p d\u00f2ng \u0111i\u1ec7n v\u00e0o v\u00f2ng l\u1eb7p t\u1ed1c \u0111\u1ed9 \u0111\u1ec3 th\u1ef1c hi\u1ec7n ph\u1ea3n h\u1ed3i \u00e2m t\u1ed1c \u0111\u1ed9 v\u00e0 ph\u1ea3n h\u1ed3i \u00e2m d\u00f2ng \u0111i\u1ec7n. Ph\u1ea3n h\u1ed3i \u00e2m d\u00f2ng \u0111i\u1ec7n th\u1ef1c hi\u1ec7n kh\u1edfi \u0111\u1ed9ng d\u00f2ng \u0111i\u1ec7n t\u1ed1i \u0111a, t\u0103ng t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i v\u00e0 ph\u1ea3n h\u1ed3i \u00e2m t\u1ed1c \u0111\u1ed9 th\u1ef1c hi\u1ec7n kh\u00f4ng c\u00f3 l\u1ed7i tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh.<\/span><\/span><\/span><\/p>\n

Trong \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ee7a bu\u1ed3ng th\u1eed nghi\u1ec7m, hi\u1ec7u \u1ee9ng \u0111i\u1ec1u khi\u1ec3n c\u1ea7n thi\u1ebft l\u00e0 sau khi c\u00e0i \u0111\u1eb7t nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m, h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c \u0111\u1ea1t \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb c\u00e0i \u0111\u1eb7t. Do \u0111\u00f3, h\u1ec7 th\u1ed1ng v\u00f2ng k\u00edn k\u00e9p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n hai l\u01b0\u1ee3ng \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u1ee9ng. \u0110\u1ed1i v\u1edbi v\u1ea5n \u0111\u1ec1 gh\u00e9p n\u1ed1i nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ch\u1ec9 ra r\u1eb1ng so v\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ed9 \u1ea9m, t\u00e1c \u0111\u1ed9ng c\u1ee7a s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 \u1ea9m l\u00ean nhi\u1ec7t \u0111\u1ed9 nh\u1ecf h\u01a1n nhi\u1ec1u v\u00e0 c\u00f3 th\u1ec3 b\u1ecf qua. Ngh\u0129a l\u00e0, tr\u01b0\u1edbc ti\u00ean ch\u00fang ta ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9, sau \u0111\u00f3 ki\u1ec3m so\u00e1t \u0111\u1ed9 \u1ea9m sau khi nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea1t \u0111\u1ebfn gi\u00e1 tr\u1ecb c\u00e0i \u0111\u1eb7t, \u0111\u1ec3 c\u1ea3 hai m\u1ee5c \u0111\u1ec1u \u0111\u1ea1t \u0111\u1ebfn gi\u00e1 tr\u1ecb c\u00e0i \u0111\u1eb7t. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch t\u00e1ch r\u1eddi. N\u1ebfu \u00e1p d\u1ee5ng \u0111i\u1ec1u khi\u1ec3n v\u00f2ng k\u00edn k\u00e9p cho nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m, c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i \u0111\u1ed9ng v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh th\u1ecfa \u0111\u00e1ng. C\u1ea3 \u0111i\u1ec1u khi\u1ec3n t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111i\u1ec1u khi\u1ec3n d\u00f2ng \u0111i\u1ec7n \u0111\u1ec1u l\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n PI c\u00f3 gi\u1edbi h\u1ea1n bi\u00ean \u0111\u1ed9. C\u00e1c b\u1ed9 truy\u1ec1n \u0111\u1ed9ng l\u00e0 b\u1ed9 gia nhi\u1ec7t \u0111i\u1ec7n h\u1ee3p kim v\u00e0 m\u00e1y n\u00e9n ho\u00e0n to\u00e0n k\u00edn theo nhu c\u1ea7u s\u01b0\u1edfi \u1ea5m v\u00e0 l\u00e0m m\u00e1t hi\u1ec7n t\u1ea1i sau m\u1ed9t nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh.<\/span><\/span><\/span><\/p>\n

4 K\u1ebft lu\u1eadn<\/span><\/span><\/strong><\/span><\/h1>\n

Bu\u1ed3ng th\u1eed nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u0129nh v\u1ef1c th\u1eed nghi\u1ec7m v\u00e0 th\u00ed nghi\u1ec7m khoa h\u1ecdc. D\u1ef1a tr\u00ean t\u1ed1c \u0111\u1ed9 nhanh v\u00e0 l\u1ed7i tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh c\u1ee7a ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n h\u1ec7 th\u1ed1ng \u0111i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 DC, b\u00e0i b\u00e1o n\u00e0y \u0111\u1ec1 xu\u1ea5t s\u1eed d\u1ee5ng ch\u1ebf \u0111\u1ed9 v\u00f2ng k\u00edn k\u00e9p \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m, \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 \u0111i\u1ec1u khi\u1ec3n nhanh v\u00e0 ch\u00ednh x\u00e1c c\u1ea7n thi\u1ebft trong \u1ee9ng d\u1ee5ng, \u0111\u1ed3ng th\u1eddi ph\u00e2n t\u00edch th\u00eam t\u00ednh kh\u1ea3 thi v\u00e0 t\u00ednh \u01b0u vi\u1ec7t c\u1ee7a n\u00f3. H\u1ec7 th\u1ed1ng \u0111i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 DC v\u00f2ng k\u00edn k\u00e9p c\u00f3 c\u01a1 s\u1edf l\u00fd thuy\u1ebft v\u00e0 \u1ee9ng d\u1ee5ng r\u1ea5t tr\u01b0\u1edfng th\u00e0nh, cho th\u1ea5y t\u00ednh \u01b0u vi\u1ec7t, \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng v\u00f2ng k\u00edn k\u00e9p. S\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng v\u00f2ng k\u00edn k\u00e9p \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ee7a bu\u1ed3ng th\u1eed l\u00e0 m\u1ed9t \u00fd t\u01b0\u1edfng m\u1edbi, d\u1ef1 ki\u1ebfn \u200b\u200bs\u1ebd l\u00e0m s\u00e1ng t\u1ecf nghi\u00ean c\u1ee9u c\u1ee7a c\u00e1c \u0111\u01a1n v\u1ecb c\u00f3 li\u00ean quan. B\u00e0i b\u00e1o n\u00e0y kh\u00f4ng ti\u1ebfn h\u00e0nh t\u00ednh to\u00e1n tham s\u1ed1 v\u00e0 x\u00e1c minh th\u00ed nghi\u1ec7m m\u00f4 ph\u1ecfng cho m\u1ed9t lo\u1ea1i bu\u1ed3ng th\u1eed nh\u1ea5t \u0111\u1ecbnh, s\u1ebd \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u s\u00e2u h\u01a1n trong c\u00f4ng tr\u00ecnh ti\u1ebfp theo.<\/span><\/span><\/span><\/p>\n

\n
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<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

1 Gi\u1edbi thi\u1ec7u Trong ng\u00e0nh c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i, qu\u00e1 tr\u00ecnh x\u1eed l\u00fd c\u1ee7a nhi\u1ec1u s\u1ea3n ph\u1ea9m c\u1ea7n \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ee5 th\u1ec3. C\u00e1c th\u1eed nghi\u1ec7m ki\u1ec3m tra hi\u1ec7u su\u1ea5t nh\u01b0 \u0111\u1ed9 tin c\u1eady, kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a nhi\u1ec1u s\u1ea3n ph\u1ea9m<\/p>\n","protected":false},"author":1,"featured_media":19836,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19835","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc-cong-nghe"],"acf":[],"_links":{"self":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19835","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/comments?post=19835"}],"version-history":[{"count":2,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19835\/revisions"}],"predecessor-version":[{"id":22076,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19835\/revisions\/22076"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19836"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}