{"id":3777,"date":"2025-07-28T11:15:19","date_gmt":"2025-07-28T03:15:19","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=3777"},"modified":"2025-07-28T11:15:19","modified_gmt":"2025-07-28T03:15:19","slug":"case-sharing-of-persee-a500-zeeman-atomic-absorption-spectrophotometer-in-the-detection-of-lead-in-blood-and-additives","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/vi\/ung-dung\/case-sharing-of-persee-a500-zeeman-atomic-absorption-spectrophotometer-in-the-detection-of-lead-in-blood-and-additives\/","title":{"rendered":"Chia s\u1ebb tr\u01b0\u1eddng h\u1ee3p c\u1ee7a m\u00e1y quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed Persee A500 Zeeman trong vi\u1ec7c ph\u00e1t hi\u1ec7n ch\u00ec trong m\u00e1u v\u00e0 ph\u1ee5 gia"},"content":{"rendered":"<p>H\u00e0m l\u01b0\u1ee3ng ch\u00ec trong m\u00e1u (ch\u00ec trong m\u00e1u) l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111o m\u1ee9c \u0111\u1ed9 ti\u1ebfp x\u00fac v\u1edbi ch\u00ec trong c\u01a1 th\u1ec3 con ng\u01b0\u1eddi. L\u00e0 m\u1ed9t kim lo\u1ea1i n\u1eb7ng \u0111\u1ed9c h\u1ea1i, ch\u00ec c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i cho s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi ngay c\u1ea3 \u1edf n\u1ed3ng \u0111\u1ed9 th\u1ea5p, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn tr\u1ebb em v\u00e0 ph\u1ee5 n\u1eef mang thai.<\/p>\n<p>N\u1ed3ng \u0111\u1ed9 ch\u00ec trong m\u00e1u \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng microgram m\u1ed7i deciliter (\u03bcg \/ dL), v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n h\u01a1i kh\u00e1c nhau gi\u1eefa c\u00e1c t\u1ed5 ch\u1ee9c kh\u00e1c nhau:<\/p>\n<p>\u0110\u1ed1i v\u1edbi tr\u1ebb em (0-18 tu\u1ed5i):<\/p>\n<ul>\n<li>CDC Hoa K\u1ef3 khuy\u00ean r\u1eb1ng m\u1ee9c \u22655\u03bcg \/ dL c\u1ea7n ch\u00fa \u00fd (kh\u00f4ng c\u00f3 ng\u01b0\u1ee1ng an to\u00e0n, nh\u01b0ng th\u1ea5p h\u01a1n l\u00e0 t\u1ed1t h\u01a1n);<\/li>\n<li>Ti\u00eau chu\u1ea9n Trung Qu\u1ed1c: \u226510\u03bcg \/ dL \u0111\u01b0\u1ee3c coi l\u00e0 ng\u1ed9 \u0111\u1ed9c ch\u00ec (\u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 nh\u1eb9, trung b\u00ecnh v\u00e0 nghi\u00eam tr\u1ecdng, v\u1edbi \u226545\u03bcg \/ dL l\u00e0 nghi\u00eam tr\u1ecdng).<\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi l\u1edbn:<\/p>\n<ul>\n<li>Ph\u1ea1m vi b\u00ecnh th\u01b0\u1eddng: &lt; 10\u03bcg \/ dL;<\/li>\n<li>Gi\u1edbi h\u1ea1n ti\u1ebfp x\u00fac ngh\u1ec1 nghi\u1ec7p: \u1ede Trung Qu\u1ed1c, s\u1ef1 can thi\u1ec7p l\u00e0 c\u1ea7n thi\u1ebft khi m\u1ee9c ch\u00ec trong m\u00e1u c\u1ee7a nh\u1eefng ng\u01b0\u1eddi ti\u1ebfp x\u00fac ngh\u1ec1 nghi\u1ec7p l\u00e0 \u226540\u03bcg \/ dL.<\/li>\n<\/ul>\n<p>Ngay t\u1eeb n\u0103m 2006, B\u1ed9 Y t\u1ebf Trung Qu\u1ed1c \u0111\u00e3 ph\u00e1t h\u00e0nh &#8220; H\u01b0\u1edbng d\u1eabn ph\u00e2n lo\u1ea1i v\u00e0 qu\u1ea3n l\u00fd t\u0103ng m\u00e1u \u1edf tr\u1ebb em v\u00e0 ng\u1ed9 \u0111\u1ed9c ch\u00ec (th\u1eed nghi\u1ec7m),&#8221; m\u00e0 x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng m\u1ee9c \u0111\u1ed9 ng\u1ed9 \u0111\u1ed9c nh\u01b0 sau:<\/p>\n<p>&#8220; Hyperledemia \u1edf tr\u1ebb em v\u00e0 ng\u1ed9 \u0111\u1ed9c ch\u00ec \u0111\u01b0\u1ee3c ch\u1ea9n \u0111o\u00e1n d\u1ef1a tr\u00ean tr\u1ebb em&#8217; M\u1ee9c ch\u00ec m\u00e1u t\u0129nh m\u1ea1ch.<\/p>\n<p>Hyperleademia: Hai m\u1ee9c ch\u00ec trong m\u00e1u t\u0129nh m\u1ea1ch li\u00ean ti\u1ebfp l\u00e0 100-199\u03bcg \/ L;<\/p>\n<p>Ng\u1ed9 \u0111\u1ed9c ch\u00ec: Hai m\u1ee9c ch\u00ec trong m\u00e1u t\u0129nh m\u1ea1ch li\u00ean ti\u1ebfp b\u1eb1ng ho\u1eb7c cao h\u01a1n 200\u03bcg \/ L; v\u00e0 n\u00f3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh ng\u1ed9 \u0111\u1ed9c ch\u00ec nh\u1eb9, v\u1eeba ph\u1ea3i v\u00e0 nghi\u00eam tr\u1ecdng d\u1ef1a tr\u00ean m\u1ee9c \u0111\u1ed9 ch\u00ec trong m\u00e1u.<\/p>\n<p>Ng\u1ed9 \u0111\u1ed9c ch\u00ec nh\u1eb9: M\u1ee9c ch\u00ec trong m\u00e1u 200-249\u03bcg \/ L;<\/p>\n<p>Ng\u1ed9 \u0111\u1ed9c ch\u00ec v\u1eeba ph\u1ea3i: M\u1ee9c ch\u00ec trong m\u00e1u 250-449\u03bcg \/ L;<\/p>\n<p>Ng\u1ed9 \u0111\u1ed9c ch\u00ec nghi\u00eam tr\u1ecdng: M\u1ee9c ch\u00ec trong m\u00e1u b\u1eb1ng ho\u1eb7c cao h\u01a1n 450 \u03bcg \/ L;<\/p>\n<p>Ng\u1ed9 \u0111\u1ed9c ch\u00ec \u1edf tr\u1ebb em c\u00f3 th\u1ec3 \u0111i k\u00e8m v\u1edbi m\u1ed9t s\u1ed1 tri\u1ec7u ch\u1ee9ng l\u00e2m s\u00e0ng kh\u00f4ng c\u1ee5 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111au b\u1ee5ng t\u1ebb nh\u1ea1t, t\u00e1o b\u00f3n, thi\u1ebfu m\u00e1u, t\u0103ng ho\u1ea1t \u0111\u1ed9ng v\u00e0 xung \u0111\u1ed9ng; Khi n\u1ed3ng \u0111\u1ed9 ch\u00ec trong m\u00e1u b\u1eb1ng ho\u1eb7c cao h\u01a1n 700\u03bcg \/ L, n\u00f3 c\u00f3 th\u1ec3 \u0111i k\u00e8m v\u1edbi c\u00e1c bi\u1ec3u hi\u1ec7n c\u1ee7a b\u1ec7nh n\u00e3o ch\u00ec nh\u01b0 h\u00f4n m\u00ea v\u00e0 co gi\u1eadt. &#8221;<\/p>\n<p>&nbsp;<\/p>\n<p><strong><b>Th\u00e1ch th\u1ee9c v\u00e0 ti\u00eau chu\u1ea9n trong ph\u00e1t hi\u1ec7n ch\u00ec m\u00e1u<\/b><\/strong><\/p>\n<p>Trong s\u1ef1 ki\u1ec7n ch\u00ec m\u00e1u \u1edf tr\u1ebb s\u01a1 sinh n\u00e0y, c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 trong d\u1eef li\u1ec7u ch\u00ec m\u00e1u \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi c\u00e1c t\u1ed5 ch\u1ee9c ho\u1eb7c b\u1ec7nh vi\u1ec7n kh\u00e1c nhau, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 ph\u00e1n \u0111o\u00e1n.<\/p>\n<p>Do c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 kh\u1ed1i l\u01b0\u1ee3ng m\u1eabu m\u00e1u h\u1ea1n ch\u1ebf, ti\u1ec7n l\u1ee3i ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c d\u1ee5ng c\u1ee5 v\u00e0 \u0111\u1ea7u t\u01b0 chi ph\u00ed, quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed l\u00f2 graphite hi\u1ec7n l\u00e0 c\u00e1c d\u1ee5ng c\u1ee5 ph\u00f9 h\u1ee3p nh\u1ea5t \u0111\u1ec3 ph\u00e1t hi\u1ec7n ch\u00ec m\u00e1u. B\u1edfi v\u00ec m\u00e1u ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng l\u1edbn protein, ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c, d\u1ec5 d\u00e0ng t\u1ea1o ra c\u00e1c t\u00edn hi\u1ec7u n\u1ec1n trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra. C\u00e1c ti\u00eau chu\u1ea9n ki\u1ec3m tra ch\u00ec m\u00e1u b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed l\u00f2 graphite khuy\u1ebfn ngh\u1ecb hai k\u1ef9 thu\u1eadt \u0111i\u1ec1u ch\u1ec9nh n\u1ec1n (\u0111\u00e8n deuterium \/ Zeeman). C\u00f4ng ngh\u1ec7 s\u1eeda n\u1ec1n c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf s\u1ef1 can thi\u1ec7p hi\u1ec7u qu\u1ea3 t\u1eeb ma tr\u1eadn m\u1eabu, c\u1ea3i thi\u1ec7n \u0111\u1ed9 nh\u1ea1y c\u1ea3m ph\u00e1t hi\u1ec7n v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a d\u1eef li\u1ec7u th\u1eed nghi\u1ec7m. Tuy nhi\u00ean, ph\u1ea1m vi \u0111\u1ed9 l\u1ec7ch ti\u00eau chu\u1ea9n t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a \u0111i\u1ec1u ch\u1ec9nh n\u1ec1n \u0111\u00e8n deuterium l\u00e0 1,5% ~ 5,3% (n = 6), cao h\u01a1n so v\u1edbi c\u00f4ng ngh\u1ec7 \u0111i\u1ec1u ch\u1ec9nh n\u1ec1n Zeeman (1,6% ~ 2,8%, n = 6). Do \u0111\u00f3, ph\u01b0\u01a1ng ph\u00e1p h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed \u0111i\u1ec1u ch\u1ec9nh n\u1ec1n Zeeman c\u00f3 th\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u ch\u00ec m\u00e1u ch\u00ednh x\u00e1c h\u01a1n.<\/p>\n<p>&nbsp;<\/p>\n<p><strong><b>H\u1ed7 tr\u1ee3 c\u00f4ng ngh\u1ec7: Ph\u00e1t hi\u1ec7n ch\u00ednh x\u00e1c b\u1edfi P<\/b><\/strong><strong><b>ersee<\/b><\/strong><strong><b>\u00a0M\u00e1y quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed A500 Zeeman<\/b><\/strong><\/p>\n<p>Persee \u0111\u00e3 tham gia s\u00e2u s\u1eafc v\u00e0o l\u0129nh v\u1ef1c quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed trong g\u1ea7n 30 n\u0103m, v\u00e0 do \u0111\u00f3 \u0111\u00e3 ti\u1ebfn h\u00e0nh x\u00e1c nh\u1eadn d\u1eef li\u1ec7u \u0111\u1ee7 v\u1ec1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n ch\u00ec trong m\u00e1u v\u00e0 ph\u1ee5 gia, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 tham kh\u1ea3o.<\/p>\n<ol>\n<li><strong><b> Ph\u01b0\u01a1ng ph\u00e1p ch\u1ea5t ti\u00eau chu\u1ea9n &#8211; X\u00e1c \u0111\u1ecbnh ch\u00ec trong m\u00e1u<\/b><\/strong><\/li>\n<\/ol>\n<p>Ti\u00eau chu\u1ea9n tham kh\u1ea3o: &#8220; GBZ \/ T 316.1-2018 X\u00e1c \u0111\u1ecbnh ch\u00ec trong m\u00e1u Ph\u1ea7n 1: Ph\u1ed5 \u0111o h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed l\u00f2 \u0111\u1ed3 h\u1ecda &#8221;<\/p>\n<p>Thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n: L\u00f2 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed quang ph\u1ed5 A500G Zeeman Graphite<\/p>\n<p>Ch\u1ea5t ti\u00eau chu\u1ea9n: GSB 04-1742-2004 Ch\u00ec ch\u1ea5t ti\u00eau chu\u1ea9n gi\u1ea3i ph\u00e1p nguy\u00ean t\u1ed1 \u0111\u01a1n<\/p>\n<p>M\u1eabu ti\u00eau chu\u1ea9n: Ch\u00ec m\u00e1u b\u00f2 kh\u00f4 \u0111\u00f4ng v\u00e0 c\u00e1c ch\u1ea5t ti\u00eau chu\u1ea9n ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n cadmium; GBW09139 (107 \u00b1 15\u03bcg \/ L), GBW09140 (318 \u00b1 12\u03bcg \/ L)<\/p>\n<p>K\u1ebft lu\u1eadn th\u00ed nghi\u1ec7m: D\u1eef li\u1ec7u tr\u00ean cho th\u1ea5y h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan c\u1ee7a \u0111\u01b0\u1eddng cong hi\u1ec7u chu\u1ea9n c\u1ee7a hai ph\u01b0\u01a1ng ph\u00e1p h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed c\u1ee7a l\u00f2 graphite l\u00e0 c\u1ea3 hai &gt; 0,999, v\u1edbi t\u00ednh tuy\u1ebfn t\u00ednh t\u1ed1t. C\u1ea3 hai gi\u1edbi h\u1ea1n \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111\u1ec1u th\u1ea5p h\u01a1n 20 \u03bcg \/ L \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n ph\u00e1t hi\u1ec7n. K\u1ebft qu\u1ea3 ki\u1ec3m tra c\u1ee7a c\u00e1c ch\u1ea5t ti\u00eau chu\u1ea9n m\u00e1u b\u00f2 kh\u00f4 \u0111\u00f4ng l\u1ea1nh n\u1eb1m trong ph\u1ea1m vi \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u c\u1ee7a ch\u00fang.<\/p>\n<ol start=\"2\">\n<li><strong><b> Ph\u01b0\u01a1ng ph\u00e1p b\u1ed5 sung ti\u00eau chu\u1ea9n &#8211; X\u00e1c \u0111\u1ecbnh ch\u00ec trong ch\u1ea5t ph\u1ee5 gia<\/b><\/strong><\/li>\n<\/ol>\n<p>Ti\u00eau chu\u1ea9n tham kh\u1ea3o: &#8220; GB \/ T 13080-2018 X\u00e1c \u0111\u1ecbnh ch\u00ec trong ph\u1ed5 h\u1ecdc h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed th\u1ee9c \u0103n &#8221;  (ph\u01b0\u01a1ng ph\u00e1p tr\u1ecdng t\u00e0i &#8211; ph\u01b0\u01a1ng ph\u00e1p l\u00f2 graphite, \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1ec1 ngh\u1ecb: c\u00f4ng ngh\u1ec7 s\u1eeda ch\u1eefa n\u1ec1n Zeeman), &#8220; GB 34459-2017 Ph\u1ee5 gia th\u1ee9c \u0103n \u0111\u1ed3ng sulfate &#8221; , &#8220; GB 34465-2017 Ph\u1ee5 gia th\u1ee9c \u0103n Ferrous Sulfate &#8221;.<\/p>\n<p>Thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n: A500G Zeeman Flame Atomic Absorption Spectrophotometer<\/p>\n<p>Ch\u1ea5t ti\u00eau chu\u1ea9n: GSB 04-1742-2004 Ch\u00ec Gi\u1ea3i ph\u00e1p nguy\u00ean t\u1ed1 \u0111\u01a1n Ch\u1ea5t ti\u00eau chu\u1ea9n<\/p>\n<p>M\u1eabu: Ph\u1ee5 gia th\u1ee9c \u0103n, sulfat \u0111\u1ed3ng, sulfat s\u1eaft (m\u1eabu n\u1ec1n mu\u1ed1i cao)<\/p>\n<p>K\u1ebft lu\u1eadn th\u00ed nghi\u1ec7m: GB \/ T 13080-2018 quy \u0111\u1ecbnh r\u1eb1ng gi\u1edbi h\u1ea1n \u0111\u1ecbnh l\u01b0\u1ee3ng c\u1ee7a ph\u1ed5 \u0111o h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed ng\u1ecdn l\u1eeda l\u00e0 2mg \/ kg, v\u00e0 gi\u1edbi h\u1ea1n ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c \u0111o th\u1ef1c t\u1ebf c\u1ee7a thi\u1ebft b\u1ecb l\u00e0 0,50mg \/ kg, \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n ph\u00e1t hi\u1ec7n; hai ch\u1ea5t ph\u1ee5 gia \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ecdn \u0111\u1ec3 t\u0103ng \u0111i\u1ec3m \u0111\u00f4i, v\u00e0 t\u1ef7 l\u1ec7 ph\u1ee5c h\u1ed3i l\u00e0 95,9 ~ 104,6%, \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng ti\u00eau chu\u1ea9n.<\/p>\n<p>K\u1ebft lu\u1eadn, quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed A500 c\u00f3 th\u1ec3 cung c\u1ea5p d\u1eef li\u1ec7u ph\u00e1t hi\u1ec7n \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u00e1ng tin c\u1eady trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh ch\u00ec trong m\u00e1u v\u00e0 ph\u1ee5 gia.<\/p>\n<p><strong><b>B\u1ea3o v\u1ec7 t\u01b0\u01a1ng lai b\u1eb1ng c\u00e1ch ph\u00e1t hi\u1ec7n hi\u1ec7u qu\u1ea3<\/b><\/strong><\/p>\n<p>\u00d4 nhi\u1ec5m ch\u00ec kh\u00f4ng th\u1ec3 b\u1ecf qua, v\u00e0 ph\u00e1t hi\u1ec7n khoa h\u1ecdc l\u00e0 tuy\u1ebfn ph\u00f2ng th\u1ee7 \u0111\u1ea7u ti\u00ean \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe. Cho d\u00f9 \u0111\u00f3 l\u00e0 t\u00ecnh tr\u1ea1ng kh\u1ea9n c\u1ea5p s\u1ee9c kh\u1ecfe c\u00f4ng c\u1ed9ng ho\u1eb7c gi\u00e1m s\u00e1t an to\u00e0n th\u1ef1c ph\u1ea9m h\u00e0ng ng\u00e0y, c\u00f4ng ngh\u1ec7 ph\u00e1t hi\u1ec7n ti\u00ean ti\u1ebfn lu\u00f4n l\u00e0 n\u1ec1n t\u1ea3ng quan tr\u1ecdng \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe c\u00f4ng c\u1ed9ng. M\u00e1y quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed Puxi A500 cung c\u1ea5p m\u1ed9t gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 ph\u00e1t hi\u1ec7n ch\u00ec m\u00e1u v\u1edbi s\u1ee9c m\u1ea1nh c\u00f4ng ngh\u1ec7. Trong t\u01b0\u01a1ng lai, ch\u00fang t\u00f4i mong \u0111\u1ee3i c\u00e1c c\u00f4ng ngh\u1ec7 s\u00e1ng t\u1ea1o h\u01a1n \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe v\u00e0 an to\u00e0n.<\/p>\n<p><strong><b>Gi\u1edbi thi\u1ec7u v\u1ec1 m\u00e1y quang ph\u1ed5 h\u1ea5p th\u1ee5 nguy\u00ean t\u1eed A500<\/b><\/strong><\/p>\n<p><strong><b><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-medium wp-image-3778\" src=\"http:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/07\/\u56fe\u72471-2-300x169.png\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/07\/\u56fe\u72471-2-300x169.png 300w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/07\/\u56fe\u72471-2-768x434.png 768w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/07\/\u56fe\u72471-2-18x10.png 18w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/07\/\u56fe\u72471-2-600x339.png 600w, https:\/\/www.pgeneral.com\/wp-content\/uploads\/2025\/07\/\u56fe\u72471-2.png 1020w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\u00a0<\/b><\/strong><\/p>\n<p>Hi\u1ec7u su\u1ea5t cao c\u1ea5p<\/p>\n<p>H\u1ec7 th\u1ed1ng quang h\u1ecdc ph\u1ea3n x\u1ea1 kh\u00f4ng c\u1ea7u t\u1ed5ng th\u1ec3, \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 l\u1edbp ph\u1ee7 ph\u1ea3n x\u1ea1 cao si\u00eau t\u00edm t\u1ef1 ph\u00e1t tri\u1ec3n, \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng nh\u1ea5t \u0111i\u1ec3m v\u00e0 d\u00f2ng \u00e1nh s\u00e1ng tuy\u1ec7t v\u1eddi, c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 t\u1ef7 l\u1ec7 t\u00edn hi\u1ec7u \u0111\u1ebfn ti\u1ebfng \u1ed3n c\u1ee7a d\u1ee5ng c\u1ee5.<\/p>\n<p>N\u1ec1n t\u1ea3ng quang t\u00edch h\u1ee3p v\u1edbi s\u1ef1 \u1ed5n \u0111\u1ecbnh tuy\u1ec7t v\u1eddi:<\/p>\n<p>\u00c1p d\u1ee5ng thi\u1ebft k\u1ebf n\u1ec1n t\u1ea3ng t\u00edch h\u1ee3p v\u00e0 b\u1ed1 tr\u00ed thi\u1ebft b\u1ecb h\u1ee3p l\u00fd \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh nhi\u1ec7t tuy\u1ec7t v\u1eddi v\u00e0 ch\u1ed1ng s\u1ed1c.<\/p>\n<p>Kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh n\u1ec1n si\u00eau m\u1ea1nh m\u1ebd:<\/p>\n<p>C\u1ea3 l\u00f2 ng\u1ecdn l\u1eeda v\u00e0 l\u00f2 graphite \u0111\u1ec1u \u00e1p d\u1ee5ng ch\u1ebf \u0111\u1ed9 Zeeman ph\u00e2n c\u1ef1c, c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u ch\u1ec9nh n\u1ec1n Zeeman trong ph\u1ea1m vi b\u01b0\u1edbc s\u00f3ng \u0111\u1ea7y \u0111\u1ee7, \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t \u0111i\u1ec1u ch\u1ec9nh n\u1ec1n tuy\u1ec7t v\u1eddi h\u01a1n 150 l\u1ea7n \u1edf 1Abs v\u00e0 h\u01a1n 100 l\u1ea7n \u1edf 2Abs.<\/p>\n<p>M\u00e1y d\u00f2 k\u00e9p th\u1eddi gian th\u1ef1c, c\u00f3 l\u1ee3i cho s\u1ef1 \u1ed5n \u0111\u1ecbnh l\u00e0m vi\u1ec7c l\u00e2u d\u00e0i:<\/p>\n<p>Hai con \u0111\u01b0\u1eddng c\u1ee7a \u00e1nh s\u00e1ng ph\u00e2n c\u1ef1c t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u00e1y d\u00f2 k\u00e9p l\u00e0m vi\u1ec7c \u0111\u1ed3ng 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