{"id":13274,"date":"2024-04-28T10:56:04","date_gmt":"2024-04-28T02:56:04","guid":{"rendered":"https:\/\/shchimay.com\/?p=13274"},"modified":"2024-04-29T14:14:51","modified_gmt":"2024-04-29T06:14:51","slug":"what-is-true-resistivity","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/what-is-true-resistivity\/","title":{"rendered":"\u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ef1c l\u00e0 g\u00ec"},"content":{"rendered":"<h1 id=\"understanding-true-resistivity-what-it-is-and-how-it-impacts-electrical-circuits-wpaicgheading\">T\u00ecm hi\u1ec3u \u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ef1c: N\u00f3 l\u00e0 g\u00ec v\u00e0 n\u00f3 t\u00e1c \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn m\u1ea1ch \u0111i\u1ec7n<\/h1>\n<p>\n\u0110i\u1ec7n tr\u1edf su\u1ea5t th\u1ef1c l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt \u0111i\u1ec7n, \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c thi\u1ebft k\u1ebf v\u00e0 ph\u00e2n t\u00edch c\u00e1c m\u1ea1ch \u0111i\u1ec7n. Hi\u1ec3u \u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ef1c l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 v\u00e0 k\u1ef9 thu\u1eadt vi\u00ean l\u00e0m vi\u1ec7c v\u1edbi h\u1ec7 th\u1ed1ng \u0111i\u1ec7n v\u00ec n\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"Revers Osmosis Meters for water\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/iqv_DhA6MMg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>\nN\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, \u0111i\u1ec7n tr\u1edf su\u1ea5t l\u00e0 th\u01b0\u1edbc \u0111o m\u1ee9c \u0111\u1ed9 ch\u1ed1ng l\u1ea1i d\u00f2ng \u0111i\u1ec7n c\u1ee7a v\u1eadt li\u1ec7u. \u0110i\u1ec7n tr\u1edf su\u1ea5t th\u1ef1c, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111i\u1ec7n tr\u1edf su\u1ea5t ri\u00eang, l\u00e0 m\u1ed9t t\u00ednh ch\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a n\u00f3. \u0110\u00e2y l\u00e0 \u0111\u1eb7c t\u00ednh c\u01a1 b\u1ea3n c\u1ee7a v\u1eadt li\u1ec7u quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng d\u1eabn ho\u1eb7c c\u1ea3n d\u00f2ng \u0111i\u1ec7n c\u1ee7a n\u00f3.<\/p>\n<p>\u0110i\u1ec7n tr\u1edf su\u1ea5t th\u1ef1c th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng k\u00fd hi\u1ec7u \u03c1 (rho) v\u00e0 \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng ohm-m\u00e9t (\u03a9\u00b7m). \u0110\u00e2y l\u00e0 m\u1ed9t tham s\u1ed1 quan tr\u1ecdng trong \u0110\u1ecbnh lu\u1eadt Ohm, trong \u0111\u00f3 n\u00eau r\u1eb1ng d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua m\u1ed9t d\u00e2y d\u1eabn t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi \u0111i\u1ec7n \u00e1p tr\u00ean n\u00f3 v\u00e0 t\u1ef7 l\u1ec7 ngh\u1ecbch v\u1edbi \u0111i\u1ec7n tr\u1edf c\u1ee7a n\u00f3. \u0110i\u1ec7n tr\u1edf c\u1ee7a v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi \u0111i\u1ec7n tr\u1edf su\u1ea5t v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a n\u00f3, theo c\u00f4ng th\u1ee9c R = \u03c1L\/A, trong \u0111\u00f3 R l\u00e0 \u0111i\u1ec7n tr\u1edf, \u03c1 l\u00e0 \u0111i\u1ec7n tr\u1edf su\u1ea5t, L l\u00e0 chi\u1ec1u d\u00e0i c\u1ee7a d\u00e2y d\u1eabn v\u00e0 A l\u00e0 \u0111\u01b0\u1eddng ch\u00e9o c\u1ee7a n\u00f3 -di\u1ec7n t\u00edch m\u1eb7t c\u1eaft.<\/p>\n<p>M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 then ch\u1ed1t quy\u1ebft \u0111\u1ecbnh \u0111i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u l\u00e0 th\u00e0nh ph\u1ea7n c\u1ee7a n\u00f3. C\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nhau c\u00f3 \u0111i\u1ec7n tr\u1edf su\u1ea5t kh\u00e1c nhau, trong \u0111\u00f3 kim lo\u1ea1i th\u01b0\u1eddng c\u00f3 \u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ea5p v\u00e0 ch\u1ea5t c\u00e1ch \u0111i\u1ec7n c\u00f3 \u0111i\u1ec7n tr\u1edf su\u1ea5t cao. V\u00ed d\u1ee5, \u0111\u1ed3ng, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n, c\u00f3 \u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ea5p, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh ch\u1ea5t d\u1eabn \u0111i\u1ec7n tuy\u1ec7t v\u1eddi. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 cao su ho\u1eb7c th\u1ee7y tinh c\u00f3 \u0111i\u1ec7n tr\u1edf su\u1ea5t cao n\u00ean ch\u00fang d\u1eabn \u0111i\u1ec7n k\u00e9m.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>m\u00f4 h\u00ecnh<\/td>\n<td colspan=\"2\">B\u1ed9 \u0111i\u1ec1u khi\u1ec3n truy\u1ec1n tr\u1ef1c tuy\u1ebfn pH\/ORP d\u00f2ng pH\/ORP-5500<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">Ph\u1ea1m vi \u0111o<\/td>\n<td>pH<\/td>\n<td>0.00~14.00<\/td>\n<\/tr>\n<tr>\n<td>ORP<\/td>\n<td>-2000mV~2000mV<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9.<\/td>\n<td>( 0,0~50,0)\u2103 v\u00e0 nbsp; (Th\u00e0nh ph\u1ea7n b\u00f9 nhi\u1ec7t \u0111\u1ed9: NTC10K)<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n<td>pH<\/td>\n<td>0.01<\/td>\n<\/tr>\n<tr>\n<td>ORP<\/td>\n<td>1mV<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9.<\/td>\n<td>0,1\u2103<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">\u0111\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>pH<\/td>\n<td>0.1<\/td>\n<\/tr>\n<tr>\n<td>ORP<\/td>\n<td>\u00b15mV\uff08b\u1ed9 ph\u1eadn \u0111i\u1ec7n t\u1eed\uff09<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9.<\/td>\n<td>\u00b10.5\u2103<\/td>\n<\/tr>\n<tr>\n<td>Tr\u1edf kh\u00e1ng \u0111\u1ea7u v\u00e0o g\u1ea7n \u0111\u00fang<\/td>\n<td colspan=\"2\">3\u00d71011\u03a9<\/td>\n<\/tr>\n<tr>\n<td>Dung d\u1ecbch \u0111\u1ec7m<\/td>\n<td colspan=\"2\">gi\u00e1 tr\u1ecb pH: 10,00\uff1b9,18\uff1b7,00\uff1b6,86\uff1b4,01\uff1b4,00<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9. ph\u1ea1m vi b\u00f9<\/td>\n<td colspan=\"2\">(0~50)\u2103\uff08v\u1edbi 25\u2103 l\u00e0m ti\u00eau chu\u1ea9n\uff09B\u00f9 nhi\u1ec7t \u0111\u1ed9 th\u1ee7 c\u00f4ng v\u00e0 t\u1ef1 \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">(4~20)mA<\/td>\n<td>\u0111\u1eb7c \u0111i\u1ec3m<\/td>\n<td>D\u1ee5ng c\u1ee5\/m\u00e1y ph\u00e1t b\u1ecb c\u00f4 l\u1eadp, c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh ho\u00e0n to\u00e0n, c\u00f3 th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c \u0111\u1ec3 l\u1ef1a ch\u1ecdn<\/td>\n<\/tr>\n<tr>\n<td>\u0110i\u1ec7n tr\u1edf v\u00f2ng l\u1eb7p<\/td>\n<td>500\u03a9\uff08Max\uff09\uff0cDC 24V<\/td>\n<\/tr>\n<tr>\n<td>\u0111\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u00b10.1mA<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">Ki\u1ec3m so\u00e1t li\u00ean h\u1ec7<\/td>\n<td>Ti\u1ebfp \u0111i\u1ec3m \u0111i\u1ec7n<\/td>\n<td>R\u01a1le \u0111\u00f4i SPST-NO, ki\u1ec3u tr\u1ea3 v\u1ec1<\/td>\n<\/tr>\n<tr>\n<td>Dung l\u01b0\u1ee3ng v\u00f2ng l\u1eb7p<\/td>\n<td>AC 220V\/AC 110V 2A(T\u1ed1i \u0111a)\uff1bDC 24V 2A(T\u1ed1i \u0111a)<\/td>\n<\/tr>\n<tr>\n<td>Ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng<\/td>\n<td colspan=\"2\">3W<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">L\u00e0m vi\u1ec7c v\u00e0 m\u00f4i tr\u01b0\u1eddng<\/td>\n<td>nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>(0~50)\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u0111\u1ed9 \u1ea9m<\/td>\n<td>\u226485\uff05RH(kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef<\/td>\n<td colspan=\"2\">Nhi\u1ec7t \u0111\u1ed9.(-20-60) \u2103;\u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i:\u226485 ph\u1ea7n tr\u0103m RH(kh\u00f4ng ng\u01b0ng t\u1ee5<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc ph\u00e1c th\u1ea3o<\/td>\n<td colspan=\"2\">96mm\u00d796mm\u00d7105mm\uff08H\u00d7W\u00d7D\uff09<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td colspan=\"2\">91mm\u00d791mm(H\u00d7W)<\/td>\n<\/tr>\n<tr>\n<td>c\u00e0i \u0111\u1eb7t<\/td>\n<td colspan=\"2\">G\u1eafn b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, l\u1eafp \u0111\u1eb7t nhanh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt li\u1ec7u c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a n\u00f3. N\u00f3i chung, \u0111i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a h\u1ea7u h\u1ebft c\u00e1c v\u1eadt li\u1ec7u t\u0103ng theo nhi\u1ec7t \u0111\u1ed9, v\u00ec c\u00e1c nguy\u00ean t\u1eed v\u00e0 electron trong v\u1eadt li\u1ec7u dao \u0111\u1ed9ng m\u1ea1nh h\u01a1n, c\u1ea3n tr\u1edf d\u00f2ng \u0111i\u1ec7n. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u1ec7 s\u1ed1 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a \u0111i\u1ec7n tr\u1edf su\u1ea5t v\u00e0 l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng c\u1ea7n c\u00e2n nh\u1eafc khi thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u00f4 h\u00ecnh<\/td>\n<td>M\u00e1y ph\u00e2n t\u00edch t\u1ef1 \u0111\u1ed9ng tr\u1ef1c tuy\u1ebfn Clo t\u1ef1 do (DPD) d\u00f2ng CLA-7000<\/td>\n<\/tr>\n<tr>\n<td>K\u00eanh \u0111\u1ea7u v\u00e0o<\/td>\n<td>K\u00eanh \u0111\u01a1n\/K\u00eanh \u0111\u00f4i<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi \u0111o<\/td>\n<td>Clorin t\u1ef1 do\uff1a(0.0\uff5e2.0)mg\/L ho\u1eb7c (0.5\uff5e10.0)mg\/L , T\u00ednh theo Cl2; pH:(0-14); Nhi\u1ec7t \u0111\u1ed9(0-100)\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>Clorin t\u1ef1 do:\u00b110 ph\u1ea7n tr\u0103m ho\u1eb7c \u00b10,1\/0,25 mg\/L; pH:\u00b10.1pH\uff1bNhi\u1ec7t \u0111\u1ed9\uff1a\u00b10.5\u2103<\/td>\n<\/tr>\n<tr>\n<td>Th\u1eddi gian \u0111o<\/td>\n<td>\u22642.5 ph\u00fat<\/td>\n<\/tr>\n<tr>\n<td>Kho\u1ea3ng th\u1eddi gian l\u1ea5y m\u1eabu<\/td>\n<td>C\u00f3 th\u1ec3 \u0111\u1eb7t kho\u1ea3ng th\u1eddi gian (1\uff5e999) ph\u00fat t\u00f9y \u00fd<\/td>\n<\/tr>\n<tr>\n<td>Chu k\u1ef3 b\u1ea3o tr\u00ec<\/td>\n<td>Khuy\u1ebfn ngh\u1ecb m\u1ed7i th\u00e1ng m\u1ed9t l\u1ea7n (xem ch\u01b0\u01a1ng b\u1ea3o tr\u00ec)<\/td>\n<\/tr>\n<tr>\n<td>Y\u00eau c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng<\/td>\n<td>Ph\u00f2ng th\u00f4ng gi\u00f3 v\u00e0 kh\u00f4 r\u00e1o, kh\u00f4ng c\u00f3 \u0111\u1ed9 rung m\u1ea1nh;Nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng khuy\u1ebfn ngh\u1ecb\uff1a(15\uff5e28)\u2103\uff1b\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\uff1a\u226485 ph\u1ea7n tr\u0103m \uff08Kh\u00f4ng ng\u01b0ng t\u1ee5\uff09<\/td>\n<\/tr>\n<tr>\n<td>D\u00f2ng m\u1eabu n\u01b0\u1edbc<\/td>\n<td>(200-400) mL\/ph\u00fat<\/td>\n<\/tr>\n<tr>\n<td>\u00c1p su\u1ea5t \u0111\u1ea7u v\u00e0o<\/td>\n<td>(0,1-0,3) thanh<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc \u0111\u1ea7u v\u00e0o.<\/td>\n<td>(0-40)\u2103<\/td>\n<\/tr>\n<tr>\n<td>Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td>AC (100-240)V\uff1b 50\/60Hz<\/td>\n<\/tr>\n<tr>\n<td>S\u1ee9c m\u1ea1nh<\/td>\n<td>120W<\/td>\n<\/tr>\n<tr>\n<td>K\u1ebft n\u1ed1i ngu\u1ed3n<\/td>\n<td>D\u00e2y ngu\u1ed3n 3 l\u00f5i c\u00f3 ph\u00edch c\u1eafm \u0111\u01b0\u1ee3c n\u1ed1i v\u00e0o \u1ed5 \u0111i\u1ec7n b\u1eb1ng d\u00e2y n\u1ed1i \u0111\u1ea5t<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra d\u1eef li\u1ec7u<\/td>\n<td>RS232\/RS485\/(4\uff5e20)mA<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td>H*W*D:(800*400*200)mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>M\u1ed9t kh\u00e1i ni\u1ec7m quan tr\u1ecdng kh\u00e1c li\u00ean quan \u0111\u1ebfn \u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ef1c l\u00e0 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n, l\u00e0 ngh\u1ecbch \u0111\u1ea3o c\u1ee7a \u0111i\u1ec7n tr\u1edf su\u1ea5t. \u0110\u1ed9 d\u1eabn \u0111i\u1ec7n l\u00e0 th\u01b0\u1edbc \u0111o m\u1ee9c \u0111\u1ed9 d\u1ec5 d\u1eabn \u0111i\u1ec7n c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng k\u00fd hi\u1ec7u \u03c3 (sigma). \u0110\u1ed9 d\u1eabn \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng siemens tr\u00ean m\u00e9t (S\/m) v\u00e0 li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ed1 l\u01b0\u1ee3ng electron t\u1ef1 do trong v\u1eadt li\u1ec7u. V\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n cao th\u00ec c\u00f3 \u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ea5p v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/PH-8851-PH-meter.png\" alt=\"alt-3610\" class=\"wp-image-3610\" id=\"i3610\" \/><\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"Pressure sensor introduction\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/RxqhtxMrJpE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>V\u1ec1 m\u1eb7t th\u1ef1c t\u1ebf, vi\u1ec7c hi\u1ec3u \u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ef1c l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 v\u00e0 k\u1ef9 thu\u1eadt vi\u00ean l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c m\u1ea1ch \u0111i\u1ec7n. B\u1eb1ng c\u00e1ch bi\u1ebft \u0111i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ea1ch \u0111i\u1ec7n, h\u1ecd c\u00f3 th\u1ec3 t\u00ednh to\u00e1n \u0111i\u1ec7n tr\u1edf c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn v\u00e0 t\u1ed1i \u01b0u h\u00f3a thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 v\u00e0 hi\u1ec7u su\u1ea5t. \u0110i\u1ec7n tr\u1edf su\u1ea5t th\u1ef1c c\u0169ng \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng ti\u00eau t\u00e1n \u0111i\u1ec7n n\u0103ng v\u00e0 sinh nhi\u1ec7t trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 an to\u00e0n v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<p>\n<img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/PH-ORP-9900-Water-Quality-Test-PHORP-Controlle-04.jpg\" alt=\"alt-3613\" class=\"wp-image-3613\" id=\"i3613\" \/><br \/>\nT\u00f3m l\u1ea1i, \u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ef1c l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n trong k\u1ef9 thu\u1eadt \u0111i\u1ec7n c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn thi\u1ebft k\u1ebf v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c m\u1ea1ch \u0111i\u1ec7n. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 c\u00e1ch ch\u00fang \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111i\u1ec7n tr\u1edf su\u1ea5t, c\u00e1c k\u1ef9 s\u01b0 v\u00e0 k\u1ef9 thu\u1eadt vi\u00ean c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n. \u0110i\u1ec7n tr\u1edf su\u1ea5t th\u1ef1c l\u00e0 th\u00f4ng s\u1ed1 quan tr\u1ecdng trong vi\u1ec7c ph\u00e2n t\u00edch c\u00e1c m\u1ea1ch \u0111i\u1ec7n v\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u \u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ef1c: N\u00f3 l\u00e0 g\u00ec v\u00e0 n\u00f3 t\u00e1c \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn m\u1ea1ch \u0111i\u1ec7n \u0110i\u1ec7n tr\u1edf su\u1ea5t th\u1ef1c l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt \u0111i\u1ec7n, \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c thi\u1ebft k\u1ebf v\u00e0 ph\u00e2n t\u00edch c\u00e1c m\u1ea1ch \u0111i\u1ec7n. Hi\u1ec3u \u0111i\u1ec7n tr\u1edf su\u1ea5t th\u1ef1c&#8230;<\/p>\n","protected":false},"author":1,"featured_media":3213,"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":[200],"tags":[],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"vi","enabled_languages":["en","zh","es","de","fr","ru","pt","ar","ja","ko","it","id","hi","th","vi","tr"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"zh":{"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":false,"content":false,"excerpt":false},"pt":{"title":false,"content":false,"excerpt":false},"ar":{"title":false,"content":false,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"ko":{"title":false,"content":false,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"id":{"title":false,"content":false,"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:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/13274"}],"collection":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/comments?post=13274"}],"version-history":[{"count":10,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/13274\/revisions"}],"predecessor-version":[{"id":13659,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/13274\/revisions\/13659"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media\/3213"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media?parent=13274"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/categories?post=13274"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/tags?post=13274"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}