{"id":3363,"date":"2024-01-19T19:47:16","date_gmt":"2024-01-19T11:47:16","guid":{"rendered":"https:\/\/chimaytech.net\/?p=3363"},"modified":"2024-02-20T20:55:16","modified_gmt":"2024-02-20T12:55:16","slug":"how-do-dissolved-oxygen-meters-work","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/vi\/how-do-dissolved-oxygen-meters-work\/","title":{"rendered":"m\u00e1y \u0111o oxy h\u00f2a tan ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o"},"content":{"rendered":"

Tagline: “\u0110o h\u01a1i th\u1edf c\u1ee7a sinh v\u1eadt d\u01b0\u1edbi n\u01b0\u1edbc – H\u00e9 l\u1ed9 b\u00ed m\u1eadt v\u1ec1 oxy h\u00f2a tan.”<\/p>\n

T\u00ecm hi\u1ec3u th\u00f4ng tin c\u01a1 b\u1ea3n v\u1ec1 m\u00e1y \u0111o oxy h\u00f2a tan<\/h1>\n

\n\"how<\/p>\n

\nT\u00ecm hi\u1ec3u th\u00f4ng tin c\u01a1 b\u1ea3n v\u1ec1 m\u00e1y \u0111o oxy h\u00f2a tan<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
B\u1ed9 \u0111i\u1ec1u khi\u1ec3n l\u1eadp tr\u00ecnh RO x\u1eed l\u00fd n\u01b0\u1edbc ROS-360<\/td>\n<\/td>\n<\/tr>\n
M\u00f4 h\u00ecnh<\/td>\nROS-360 m\u1ed9t t\u1ea7ng<\/td>\nS\u00e2n kh\u1ea5u \u0111\u00f4i ROS-360<\/td>\n<\/tr>\n
Ph\u1ea1m vi \u0111o<\/td>\nNgu\u1ed3n n\u01b0\u1edbc0~2000uS\/cm<\/td>\nNgu\u1ed3n n\u01b0\u1edbc0~2000uS\/cm<\/td>\n<\/tr>\n
\u3000<\/td>\nN\u01b0\u1edbc th\u1ea3i c\u1ea5p 1 0~1000uS\/cm<\/td>\nN\u01b0\u1edbc th\u1ea3i c\u1ea5p 1 0~1000uS\/cm<\/td>\n<\/tr>\n
\u3000<\/td>\nn\u01b0\u1edbc th\u1ea3i th\u1ee9 c\u1ea5p 0~100uS\/cm<\/td>\nn\u01b0\u1edbc th\u1ea3i th\u1ee9 c\u1ea5p 0~100uS\/cm<\/td>\n<\/tr>\n
C\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t (t\u00f9y ch\u1ecdn)<\/td>\n\u00c1p su\u1ea5t tr\u01b0\u1edbc\/sau m\u00e0ng<\/td>\n\u00c1p su\u1ea5t tr\u01b0\u1edbc\/sau m\u00e0ng s\u01a1 c\u1ea5p\/th\u1ee9 c\u1ea5p<\/td>\n<\/tr>\n
C\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng (t\u00f9y ch\u1ecdn)<\/td>\n2 k\u00eanh (T\u1ed1c \u0111\u1ed9 d\u00f2ng v\u00e0o\/ra)<\/td>\n3 k\u00eanh (n\u01b0\u1edbc ngu\u1ed3n, d\u00f2ng ch\u1ea3y s\u01a1 c\u1ea5p, d\u00f2ng ch\u1ea3y th\u1ee9 c\u1ea5p)<\/td>\n<\/tr>\n
\u0110\u1ea7u v\u00e0o IO<\/td>\n1.\u00c1p su\u1ea5t th\u1ea5p n\u01b0\u1edbc th\u00f4<\/td>\n1.\u00c1p su\u1ea5t th\u1ea5p n\u01b0\u1edbc th\u00f4<\/td>\n<\/tr>\n
\u3000<\/td>\n2.\u00c1p su\u1ea5t th\u1ea5p \u0111\u1ea7u v\u00e0o b\u01a1m t\u0103ng \u00e1p ch\u00ednh<\/td>\n2.\u00c1p su\u1ea5t th\u1ea5p \u0111\u1ea7u v\u00e0o b\u01a1m t\u0103ng \u00e1p ch\u00ednh<\/td>\n<\/tr>\n
\u3000<\/td>\n3.\u0110\u1ea7u ra \u00e1p su\u1ea5t cao c\u1ee7a b\u01a1m t\u0103ng \u00e1p ch\u00ednh<\/td>\n3.\u0110\u1ea7u ra \u00e1p su\u1ea5t cao c\u1ee7a b\u01a1m t\u0103ng \u00e1p ch\u00ednh<\/td>\n<\/tr>\n
\u3000<\/td>\n4.M\u1ee9c ch\u1ea5t l\u1ecfng cao c\u1ee7a b\u1ec3 c\u1ea5p 1<\/td>\n4.M\u1ee9c ch\u1ea5t l\u1ecfng cao c\u1ee7a b\u1ec3 c\u1ea5p 1<\/td>\n<\/tr>\n
\u3000<\/td>\n5.M\u1ee9c ch\u1ea5t l\u1ecfng c\u1ee7a b\u1ec3 c\u1ea5p 1 th\u1ea5p<\/td>\n5.M\u1ee9c ch\u1ea5t l\u1ecfng c\u1ee7a b\u1ec3 c\u1ea5p 1 th\u1ea5p<\/td>\n<\/tr>\n
\u3000<\/td>\n6.T\u00edn hi\u1ec7u ti\u1ec1n x\u1eed l\u00fd\u00a0<\/td>\n\u00c1p su\u1ea5t cao \u0111\u1ea7u ra c\u1ee7a b\u01a1m t\u0103ng \u00e1p th\u1ee9 6.2<\/td>\n<\/tr>\n
\u3000<\/td>\n\u3000<\/td>\n7.M\u1ee9c ch\u1ea5t l\u1ecfng cao c\u1ee7a b\u1ec3 c\u1ea5p 2<\/td>\n<\/tr>\n
\u3000<\/td>\n\u3000<\/td>\n8.T\u00edn hi\u1ec7u ti\u1ec1n x\u1eed l\u00fd<\/td>\n<\/tr>\n
\u0110\u1ea7u ra r\u01a1le (th\u1ee5 \u0111\u1ed9ng)<\/td>\n1.Van c\u1ea5p n\u01b0\u1edbc<\/td>\n1.Van c\u1ea5p n\u01b0\u1edbc<\/td>\n<\/tr>\n
\u3000<\/td>\n2.M\u00e1y b\u01a1m n\u01b0\u1edbc ngu\u1ed3n<\/td>\n2.M\u00e1y b\u01a1m n\u01b0\u1edbc ngu\u1ed3n<\/td>\n<\/tr>\n
\u3000<\/td>\n3.B\u01a1m t\u0103ng \u00e1p<\/td>\n3.B\u01a1m t\u0103ng \u00e1p s\u01a1 c\u1ea5p<\/td>\n<\/tr>\n
\u3000<\/td>\n4.Van x\u1ea3<\/td>\n4.Van x\u1ea3 s\u01a1 c\u1ea5p<\/td>\n<\/tr>\n
\u3000<\/td>\n5.N\u01b0\u1edbc qua van x\u1ea3 ti\u00eau chu\u1ea9n<\/td>\n5.N\u01b0\u1edbc s\u01a1 c\u1ea5p qua van x\u1ea3 ti\u00eau chu\u1ea9n<\/td>\n<\/tr>\n
\u3000<\/td>\n6.N\u00fat \u0111\u1ea7u ra c\u1ea3nh b\u00e1o<\/td>\n6.B\u01a1m t\u0103ng \u00e1p th\u1ee9 c\u1ea5p<\/td>\n<\/tr>\n
\u3000<\/td>\n7.B\u01a1m d\u1ef1 ph\u00f2ng th\u1ee7 c\u00f4ng<\/td>\n7.Van x\u1ea3 th\u1ee9 c\u1ea5p<\/td>\n<\/tr>\n
\u3000<\/td>\n\u3000<\/td>\n8.N\u01b0\u1edbc th\u1ee9 c\u1ea5p qua van x\u1ea3 ti\u00eau chu\u1ea9n<\/td>\n<\/tr>\n
\u3000<\/td>\n\u3000<\/td>\n9.N\u00fat \u0111\u1ea7u ra c\u1ea3nh b\u00e1o<\/td>\n<\/tr>\n
\u3000<\/td>\n\u3000<\/td>\n10.B\u01a1m d\u1ef1 ph\u00f2ng th\u1ee7 c\u00f4ng<\/td>\n<\/tr>\n
Ch\u1ee9c n\u0103ng ch\u00ednh<\/td>\n1.Hi\u1ec7u ch\u1ec9nh h\u1eb1ng s\u1ed1 \u0111i\u1ec7n c\u1ef1c<\/td>\n1.Hi\u1ec7u ch\u1ec9nh h\u1eb1ng s\u1ed1 \u0111i\u1ec7n c\u1ef1c<\/td>\n<\/tr>\n
\u3000<\/td>\n2.C\u00e0i \u0111\u1eb7t c\u1ea3nh b\u00e1o TDS<\/td>\n2.C\u00e0i \u0111\u1eb7t c\u1ea3nh b\u00e1o TDS<\/td>\n<\/tr>\n
\u3000<\/td>\n3.C\u00f3 th\u1ec3 \u0111\u1eb7t t\u1ea5t c\u1ea3 th\u1eddi gian \u1edf ch\u1ebf \u0111\u1ed9 l\u00e0m vi\u1ec7c<\/td>\n3.C\u00f3 th\u1ec3 \u0111\u1eb7t t\u1ea5t c\u1ea3 th\u1eddi gian \u1edf ch\u1ebf \u0111\u1ed9 l\u00e0m vi\u1ec7c<\/td>\n<\/tr>\n
\u3000<\/td>\n4.C\u00e0i \u0111\u1eb7t ch\u1ebf \u0111\u1ed9 x\u1ea3 \u00e1p su\u1ea5t cao v\u00e0 th\u1ea5p<\/td>\n4.C\u00e0i \u0111\u1eb7t ch\u1ebf \u0111\u1ed9 x\u1ea3 \u00e1p su\u1ea5t cao v\u00e0 th\u1ea5p<\/td>\n<\/tr>\n
\u3000<\/td>\n5.C\u00f3 th\u1ec3 ch\u1ecdn th\u1ee7 c\u00f4ng\/t\u1ef1 \u0111\u1ed9ng khi kh\u1edfi \u0111\u1ed9ng<\/td>\n5.C\u00f3 th\u1ec3 ch\u1ecdn th\u1ee7 c\u00f4ng\/t\u1ef1 \u0111\u1ed9ng khi kh\u1edfi \u0111\u1ed9ng<\/td>\n<\/tr>\n
\u3000<\/td>\n6.Ch\u1ebf \u0111\u1ed9 g\u1ee1 l\u1ed7i th\u1ee7 c\u00f4ng<\/td>\n6.Ch\u1ebf \u0111\u1ed9 g\u1ee1 l\u1ed7i th\u1ee7 c\u00f4ng<\/td>\n<\/tr>\n
\u3000<\/td>\n7.Qu\u1ea3n l\u00fd th\u1eddi gian ph\u1ee5 t\u00f9ng thay th\u1ebf<\/td>\n7.Qu\u1ea3n l\u00fd th\u1eddi gian ph\u1ee5 t\u00f9ng thay th\u1ebf<\/td>\n<\/tr>\n
Giao di\u1ec7n m\u1edf r\u1ed9ng<\/td>\n1.\u0110\u1ea7u ra r\u01a1le d\u1ef1 tr\u1eef<\/td>\n1.\u0110\u1ea7u ra r\u01a1le d\u1ef1 tr\u1eef<\/td>\n<\/tr>\n
\u3000<\/td>\n2.Giao ti\u1ebfp RS485<\/td>\n2.Giao ti\u1ebfp RS485<\/td>\n<\/tr>\n
Ngu\u1ed3n \u0111i\u1ec7n<\/td>\nDC24V\u00b110%<\/td>\nDC24V\u00b110%<\/td>\n<\/tr>\n
\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i<\/td>\n\u226685%<\/td>\n\u226485%<\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng<\/td>\n0~50\u2103<\/td>\n0~50\u2103<\/td>\n<\/tr>\n
K\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng<\/td>\nK\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng: 7 inch 203*149*48mm (Hx Wx D)<\/td>\nK\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng: 7 inch 203*149*48mm (Hx Wx D)<\/td>\n<\/tr>\n
K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n190x136mm(CxR)<\/td>\n190x136mm(CxR)<\/td>\n<\/tr>\n
C\u00e0i \u0111\u1eb7t<\/td>\n\u0110\u00e3 nh\u00fang<\/td>\n\u0110\u00e3 nh\u00fang<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

M\u00e1y \u0111o oxy h\u00f2a tan l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau \u0111\u1ec3 \u0111o l\u01b0\u1ee3ng oxy h\u00f2a tan trong ch\u1ea5t l\u1ecfng. Ph\u00e9p \u0111o n\u00e0y r\u1ea5t quan tr\u1ecdng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng, ch\u1eb3ng h\u1ea1n nh\u01b0 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n v\u00e0 gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng. \u0110\u1ec3 hi\u1ec3u \u0111\u1ea7y \u0111\u1ee7 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y \u0111o oxy h\u00f2a tan, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang.<\/p>\n

Tr\u1ecdng t\u00e2m c\u1ee7a m\u00e1y \u0111o oxy h\u00f2a tan l\u00e0 m\u1ed9t c\u1ea3m bi\u1ebfn \u0111i\u1ec7n h\u00f3a. C\u1ea3m bi\u1ebfn n\u00e0y bao g\u1ed3m c\u1ef1c \u00e2m v\u00e0 c\u1ef1c d\u01b0\u01a1ng, \u0111\u01b0\u1ee3c ng\u0103n c\u00e1ch b\u1edfi ch\u1ea5t \u0111i\u1ec7n ph\u00e2n. Khi c\u1ea3m bi\u1ebfn \u0111\u01b0\u1ee3c ng\u00e2m trong ch\u1ea5t l\u1ecfng, c\u00e1c ph\u00e2n t\u1eed oxy t\u1eeb ch\u1ea5t l\u1ecfng s\u1ebd khu\u1ebfch t\u00e1n qua m\u00e0ng th\u1ea5m kh\u00ed v\u00e0 \u0111\u1ebfn c\u1ef1c \u00e2m. \u1ede \u0111\u00e2y, m\u1ed9t ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc x\u1ea3y ra, trong \u0111\u00f3 oxy b\u1ecb kh\u1eed th\u00e0nh c\u00e1c ion hydroxit. Ph\u1ea3n \u1ee9ng n\u00e0y t\u1ea1o ra m\u1ed9t d\u00f2ng \u0111i\u1ec7n t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi l\u01b0\u1ee3ng oxy c\u00f3 trong.<\/p>\n

\u0110\u1ec3 \u0111o d\u00f2ng \u0111i\u1ec7n n\u00e0y m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, m\u00e1y \u0111o oxy h\u00f2a tan \u0111\u01b0\u1ee3c trang b\u1ecb b\u1ed9 vi x\u1eed l\u00fd v\u00e0 b\u1ed9 hi\u1ec3n th\u1ecb. B\u1ed9 vi x\u1eed l\u00fd chuy\u1ec3n \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n th\u00e0nh t\u00edn hi\u1ec7u s\u1ed1 v\u00e0 sau \u0111\u00f3 t\u00ednh to\u00e1n n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan b\u1eb1ng \u0111\u01b0\u1eddng cong hi\u1ec7u chu\u1ea9n. \u0110\u01b0\u1eddng cong hi\u1ec7u chu\u1ea9n n\u00e0y thu \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch \u0111o d\u00f2ng \u0111i\u1ec7n \u1edf c\u00e1c n\u1ed3ng \u0111\u1ed9 oxy \u0111\u00e3 bi\u1ebft kh\u00e1c nhau. Sau \u0111\u00f3, thi\u1ebft b\u1ecb hi\u1ec3n th\u1ecb s\u1ebd hi\u1ec3n th\u1ecb n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan theo \u0111\u01a1n v\u1ecb mong mu\u1ed1n, ch\u1eb3ng h\u1ea1n nh\u01b0 miligam tr\u00ean l\u00edt (mg\/L) ho\u1eb7c ph\u1ea7n tr\u0103m b\u00e3o h\u00f2a.<\/p>\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady, m\u00e1y \u0111o oxy h\u00f2a tan c\u1ea7n \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n v\u00e0 b\u1ea3o tr\u00ec th\u00edch h\u1ee3p. Hi\u1ec7u chu\u1ea9n bao g\u1ed3m vi\u1ec7c cho c\u1ea3m bi\u1ebfn ti\u1ebfp x\u00fac v\u1edbi n\u1ed3ng \u0111\u1ed9 oxy \u0111\u00e3 bi\u1ebft, th\u01b0\u1eddng \u1edf d\u1ea1ng dung d\u1ecbch hi\u1ec7u chu\u1ea9n. B\u1eb1ng c\u00e1ch so s\u00e1nh d\u00f2ng \u0111i\u1ec7n \u0111o \u0111\u01b0\u1ee3c v\u1edbi d\u00f2ng \u0111i\u1ec7n d\u1ef1 ki\u1ebfn, \u0111\u1ed3ng h\u1ed3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 cung c\u1ea5p s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c. Vi\u1ec7c b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u00e0m s\u1ea1ch c\u1ea3m bi\u1ebfn v\u00e0 thay th\u1ebf ch\u1ea5t \u0111i\u1ec7n ph\u00e2n, c\u0169ng l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 ng\u0103n ng\u1eeba \u00f4 nhi\u1ec5m v\u00e0 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u.<\/p>\n

\u0110i\u1ec1u \u0111\u00e1ng ch\u00fa \u00fd l\u00e0 m\u00e1y \u0111o oxy h\u00f2a tan c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n th\u00e0nh hai lo\u1ea1i: c\u1ef1c ph\u1ed5 v\u00e0 quang h\u1ecdc. M\u00e1y \u0111o ph\u00e2n c\u1ef1c, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u00e1y \u0111o ki\u1ec3u Clark, l\u00e0 lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i. H\u1ecd d\u1ef1a v\u00e0o ph\u1ea3n \u1ee9ng \u0111i\u1ec7n h\u00f3a \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 tr\u01b0\u1edbc \u0111\u00f3 \u0111\u1ec3 \u0111o n\u1ed3ng \u0111\u1ed9 oxy. M\u1eb7t kh\u00e1c, m\u00e1y \u0111o quang h\u1ecdc s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 ph\u00e1t quang, trong \u0111\u00f3 thu\u1ed1c nhu\u1ed9m hu\u1ef3nh quang \u0111\u01b0\u1ee3c k\u00edch th\u00edch b\u1edfi \u00e1nh s\u00e1ng v\u00e0 n\u1ed3ng \u0111\u1ed9 oxy \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean t\u1ed1c \u0111\u1ed9 ph\u00e2n r\u00e3 hu\u1ef3nh quang.<\/p>\n

C\u1ea3 hai lo\u1ea1i m\u00e1y \u0111o \u0111\u1ec1u c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf. M\u00e1y \u0111o ph\u00e2n c\u1ef1c th\u01b0\u1eddng c\u00f3 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng h\u01a1n v\u00e0 cung c\u1ea5p th\u1eddi gian ph\u1ea3n h\u1ed3i nhanh h\u01a1n. Tuy nhi\u00ean, ch\u00fang y\u00eau c\u1ea7u hi\u1ec7u chu\u1ea9n v\u00e0 b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean. M\u00e1y \u0111o quang h\u1ecdc, m\u1eb7c d\u00f9 \u0111\u1eaft h\u01a1n nh\u01b0ng \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u1ed5n \u0111\u1ecbnh theo th\u1eddi gian. Ch\u00fang c\u0169ng lo\u1ea1i b\u1ecf nhu c\u1ea7u hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean. Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa hai t\u00f9y thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a \u1ee9ng d\u1ee5ng v\u00e0 ng\u00e2n s\u00e1ch hi\u1ec7n c\u00f3.<\/p>\n

\n\"alt-3213\"
\nT\u00f3m l\u1ea1i, m\u00e1y \u0111o oxy h\u00f2a tan \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau b\u1eb1ng c\u00e1ch cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u1ec1 n\u1ed3ng \u0111\u1ed9 oxy trong ch\u1ea5t l\u1ecfng. C\u00e1c m\u00e1y \u0111o n\u00e0y ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc \u0111i\u1ec7n h\u00f3a ho\u1eb7c ph\u00e1t quang, t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i. Hi\u1ec7u chu\u1ea9n v\u00e0 b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111\u00e1ng tin c\u1eady. B\u1eb1ng c\u00e1ch hi\u1ec3u nh\u1eefng ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 m\u00e1y \u0111o oxy h\u00f2a tan, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t khi l\u1ef1a ch\u1ecdn v\u00e0 s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb n\u00e0y trong l\u0129nh v\u1ef1c t\u01b0\u01a1ng \u1ee9ng c\u1ee7a m\u00ecnh.<\/p>\n","protected":false},"excerpt":{"rendered":"

Tagline: “\u0110o h\u01a1i th\u1edf c\u1ee7a sinh v\u1eadt d\u01b0\u1edbi n\u01b0\u1edbc – H\u00e9 l\u1ed9 b\u00ed m\u1eadt v\u1ec1 oxy h\u00f2a tan.” T\u00ecm hi\u1ec3u th\u00f4ng tin c\u01a1 b\u1ea3n v\u1ec1 m\u00e1y \u0111o oxy h\u00f2a tan T\u00ecm hi\u1ec3u th\u00f4ng tin c\u01a1 b\u1ea3n v\u1ec1 m\u00e1y \u0111o oxy h\u00f2a tan B\u1ed9 \u0111i\u1ec1u khi\u1ec3n l\u1eadp tr\u00ecnh RO x\u1eed l\u00fd n\u01b0\u1edbc ROS-360 M\u00f4 h\u00ecnh ROS-360…<\/p>\n","protected":false},"author":1,"featured_media":3364,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"categories":[1],"tags":[],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"vi","enabled_languages":["en","es","de","fr","ru","pt","ar","ja","ko","it","id","hi","th","vi","tr"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"ar":{"title":false,"content":false,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"id":{"title":true,"content":true,"excerpt":false},"hi":{"title":false,"content":false,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false},"tr":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/3363"}],"collection":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/comments?post=3363"}],"version-history":[{"count":0,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/3363\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media\/3364"}],"wp:attachment":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media?parent=3363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/categories?post=3363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/tags?post=3363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}