{"id":678628,"date":"2024-10-18T22:15:47","date_gmt":"2024-10-18T21:15:47","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=678628"},"modified":"2024-10-18T22:15:47","modified_gmt":"2024-10-18T21:15:47","slug":"ung-dung-cua-phan-tich-neutron-nhiet-trong-khao-co-hoc","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/ung-dung-cua-phan-tich-neutron-nhiet-trong-khao-co-hoc\/","title":{"rendered":"\u1ee8ng d\u1ee5ng c\u1ee7a ph\u00e2n t\u00edch neutron nhi\u1ec7t trong kh\u1ea3o c\u1ed5 h\u1ecdc"},"content":{"rendered":"

\u1ee8ng d\u1ee5ng c\u1ee7a ph\u00e2n t\u00edch neutron nhi\u1ec7t trong kh\u1ea3o c\u1ed5 h\u1ecdc: Kh\u00e1m ph\u00e1 ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch m\u1ea1nh m\u1ebd \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ngu\u1ed3n g\u1ed1c v\u00e0 ni\u00ean \u0111\u1ea1i hi\u1ec7n v\u1eadt c\u1ed5.<\/p>\n

\"\u1ee8ng<\/p>\n

\u1ee8ng D\u1ee5ng C\u1ee7a Ph\u00e2n T\u00edch Neutron Nhi\u1ec7t Trong Kh\u1ea3o C\u1ed5 H\u1ecdc<\/h2>\n

Ph\u00e2n t\u00edch neutron nhi\u1ec7t l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p quan tr\u1ecdng trong ng\u00e0nh kh\u1ea3o c\u1ed5 h\u1ecdc, gi\u00fap c\u00e1c nh\u00e0 khoa h\u1ecdc t\u00ecm hi\u1ec3u v\u1ec1 th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u m\u00e0 kh\u00f4ng g\u00e2y h\u1ea1i \u0111\u1ebfn hi\u1ec7n v\u1eadt. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng neutron nhi\u1ec7t \u0111\u1ec3 ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n nguy\u00ean t\u1ed1 c\u1ee7a c\u00e1c m\u1eabu kh\u1ea3o c\u1ed5, t\u1eeb \u0111\u00f3 cung c\u1ea5p th\u00f4ng tin qu\u00fd gi\u00e1 v\u1ec1 ngu\u1ed3n g\u1ed1c v\u00e0 qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a ch\u00fang.<\/p>\n

L\u1ee3i \u00cdch C\u1ee7a Ph\u00e2n T\u00edch Neutron Nhi\u1ec7t<\/h3>\n

<\/p>\n

  • Ph\u01b0\u01a1ng ph\u00e1p kh\u00f4ng ph\u00e1 h\u1ee7y: \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong kh\u1ea3o c\u1ed5 h\u1ecdc, n\u01a1i m\u00e0 vi\u1ec7c b\u1ea3o t\u1ed3n hi\u1ec7n v\u1eadt l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u.<\/li>\n
  • \u0110\u1ed9 ch\u00ednh x\u00e1c cao: Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n nguy\u00ean t\u1ed1 v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c r\u1ea5t cao, gi\u00fap x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c ngu\u1ed3n g\u1ed1c \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 k\u1ef9 thu\u1eadt s\u1ea3n xu\u1ea5t.<\/li>\n
  • \u1ee8ng d\u1ee5ng \u0111a d\u1ea1ng: Ph\u00e2n t\u00edch neutron nhi\u1ec7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau nh\u01b0 g\u1ed1m s\u1ee9, kim lo\u1ea1i, \u0111\u00e1, v\u00e0 th\u1ee7y tinh.<\/li>\n

    <\/u1><\/p>\n

    C\u00e1ch Th\u1ee9c Ho\u1ea1t \u0110\u1ed9ng<\/h3>\n

    Ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch neutron nhi\u1ec7t d\u1ef1a tr\u00ean vi\u1ec7c b\u1eafn c\u00e1c neutron nhi\u1ec7t (neutron c\u00f3 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p) v\u00e0o m\u1eabu v\u1eadt. Khi c\u00e1c neutron n\u00e0y va ch\u1ea1m v\u00e0o c\u00e1c nguy\u00ean t\u1eed trong m\u1eabu, ch\u00fang s\u1ebd t\u1ea1o ra c\u00e1c ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n, v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 trong m\u1eabu s\u1ebd ph\u00e1t ra b\u1ee9c x\u1ea1 gamma \u0111\u1eb7c tr\u01b0ng. B\u1eb1ng vi\u1ec7c \u0111o ph\u1ed5 b\u1ee9c x\u1ea1 gamma n\u00e0y, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c th\u00e0nh ph\u1ea7n nguy\u00ean t\u1ed1 c\u1ee7a m\u1eabu.<\/p>\n

    Quy Tr\u00ecnh Ph\u00e2n T\u00edch<\/h3>\n

    <\/p>\n

  • Chu\u1ea9n b\u1ecb m\u1eabu: M\u1eabu kh\u1ea3o c\u1ed5 \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng b\u1ecb nhi\u1ec5m b\u1ea9n v\u00e0 gi\u1eef nguy\u00ean tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u.<\/li>\n
  • Chi\u1ebfu neutron: M\u1eabu \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o l\u00f2 ph\u1ea3n \u1ee9ng neutron, n\u01a1i m\u00e0 n\u00f3 s\u1ebd b\u1ecb chi\u1ebfu x\u1ea1 b\u1edfi c\u00e1c neutron nhi\u1ec7t.<\/li>\n
  • Thu th\u1eadp b\u1ee9c x\u1ea1 gamma: C\u00e1c m\u00e1y d\u00f2 s\u1ebd thu th\u1eadp b\u1ee9c x\u1ea1 gamma ph\u00e1t ra t\u1eeb m\u1eabu v\u00e0 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh d\u1eef li\u1ec7u s\u1ed1.<\/li>\n
  • Ph\u00e2n t\u00edch d\u1eef li\u1ec7u: D\u1eef li\u1ec7u s\u1ed1 sau \u0111\u00f3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n nguy\u00ean t\u1ed1 c\u1ee7a m\u1eabu.<\/li>\n

    <\/o1><\/p>\n

    \u1ee8ng D\u1ee5ng Th\u1ef1c Ti\u1ec5n<\/h3>\n

    Ph\u00e2n t\u00edch neutron nhi\u1ec7t \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng th\u00e0nh c\u00f4ng trong nhi\u1ec1u d\u1ef1 \u00e1n kh\u1ea3o c\u1ed5 h\u1ecdc tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi. V\u00ed d\u1ee5, n\u00f3 \u0111\u00e3 gi\u00fap x\u00e1c \u0111\u1ecbnh ngu\u1ed3n g\u1ed1c c\u1ee7a \u0111\u1ed3 g\u1ed1m t\u1eeb c\u00e1c n\u1ec1n v\u0103n h\u00f3a c\u1ed5 \u0111\u1ea1i \u1edf M\u1ef9 Latin, hay x\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n h\u1ee3p kim c\u1ee7a c\u00e1c c\u00f4ng c\u1ee5 kim lo\u1ea1i t\u1eeb th\u1eddi k\u1ef3 \u0111\u1ea7u ti\u00ean c\u1ee7a con ng\u01b0\u1eddi.<\/p>\n

    Kh\u00f4ng ch\u1ec9 trong kh\u1ea3o c\u1ed5 h\u1ecdc, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f2n c\u00f3 nh\u1eefng \u1ee9ng d\u1ee5ng quan tr\u1ecdng trong ng\u00e0nh khoa h\u1ecdc v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ecba ch\u1ea5t, gi\u00fap hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u1ea5u tr\u00fac v\u00e0 th\u00e0nh ph\u1ea7n c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u t\u1ef1 nhi\u00ean v\u00e0 nh\u00e2n t\u1ea1o.<\/p>\n

    K\u1ebft Lu\u1eadn<\/h3>\n

    Ph\u00e2n t\u00edch neutron nhi\u1ec7t l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd trong kh\u1ea3o c\u1ed5 h\u1ecdc, mang l\u1ea1i nh\u1eefng th\u00f4ng tin qu\u00fd gi\u00e1 v\u1ec1 qu\u00e1 kh\u1ee9 m\u00e0 kh\u00f4ng g\u00e2y h\u1ea1i \u0111\u1ebfn hi\u1ec7n v\u1eadt. V\u1edbi kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch ch\u00ednh x\u00e1c v\u00e0 kh\u00f4ng ph\u00e1 h\u1ee7y, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1ebd ti\u1ebfp t\u1ee5c \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o t\u1ed3n v\u00e0 nghi\u00ean c\u1ee9u c\u00e1c di s\u1ea3n v\u0103n h\u00f3a c\u1ee7a nh\u00e2n lo\u1ea1i.<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u1ee8ng d\u1ee5ng c\u1ee7a ph\u00e2n t\u00edch neutron nhi\u1ec7t trong kh\u1ea3o c\u1ed5 h\u1ecdc: Kh\u00e1m ph\u00e1 ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch m\u1ea1nh m\u1ebd \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ngu\u1ed3n g\u1ed1c v\u00e0 ni\u00ean \u0111\u1ea1i hi\u1ec7n v\u1eadt c\u1ed5.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"\n\u1ee8ng d\u1ee5ng c\u1ee7a ph\u00e2n t\u00edch neutron nhi\u1ec7t trong kh\u1ea3o c\u1ed5 h\u1ecdc<\/title>\n<meta name=\"description\" content=\"\u1ee8ng d\u1ee5ng c\u1ee7a ph\u00e2n t\u00edch neutron nhi\u1ec7t trong kh\u1ea3o c\u1ed5 h\u1ecdc: Kh\u00e1m ph\u00e1 ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch m\u1ea1nh m\u1ebd \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ngu\u1ed3n g\u1ed1c v\u00e0 ni\u00ean \u0111\u1ea1i hi\u1ec7n v\u1eadt c\u1ed5.\" \/>\n<meta name=\"robots\" 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