{"id":8263,"date":"2021-11-01T14:48:52","date_gmt":"2021-11-01T07:48:52","guid":{"rendered":"https:\/\/vinatom.gov.vn\/?p=8263"},"modified":"2024-09-13T07:36:13","modified_gmt":"2024-09-13T00:36:13","slug":"nghien-cuu-phat-trien-thiet-bi-do-tuong-duong-lieu-notron-moi-truong","status":"publish","type":"post","link":"https:\/\/vinatom.gov.vn\/nghien-cuu-phat-trien-thiet-bi-do-tuong-duong-lieu-notron-moi-truong\/","title":{"rendered":"Nghi\u00ean c\u1ee9u ph\u00e1t tri\u1ec3n thi\u1ebft b\u1ecb \u0111o t\u01b0\u01a1ng \u0111\u01b0\u01a1ng li\u1ec1u n\u01a1tron m\u00f4i tr\u01b0\u1eddng"},"content":{"rendered":"<p style=\"text-align: justify;\">B\u1ee9c x\u1ea1 n\u01a1tron l\u00e0 b\u01b0\u0301c xa\u0323 co\u0301 kh\u1ea3 n\u0103ng \u0111\u00e2m xuy\u00ean ma\u0323nh v\u00e0 co\u0301 h\u00ea\u0323 s\u00f4\u0301 truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng tuy\u00ea\u0301n ti\u0301nh (LET) l\u1edbn khi t\u00e1n x\u1ea1 trong m\u00f4 c\u01a1 th\u1ec3. Vi\u00ea\u0323c che ch\u0103\u0301n b\u1ee9c x\u1ea1 n\u01a1tron r\u1ea5t ph\u1ee9c t\u1ea1p, do \u0111o\u0301 v\u00e2\u0301n \u0111\u00ea\u0300 ki\u00ea\u0309m soa\u0301t an toa\u0300n \u0111\u00f4\u0301i v\u01a1\u0301i lo\u1ea1i b\u01b0\u0301c xa\u0323 n\u00e0y \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c quan t\u00e2m, nh\u1ea5t l\u00e0 trong xu th\u1ebf ph\u00e1t tri\u1ec3n ng\u00e0y m\u1ed9t gia t\u0103ng c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt h\u1ea1t nh\u00e2n trong c\u00e1c ng\u00e0nh kinh t\u1ebf &#8211; x\u00e3 h\u1ed9i t\u1ea1i n\u01b0\u1edbc ta. Theo khuy\u1ebfn c\u00e1o c\u1ee7a \u1ee6y ban Qu\u1ed1c t\u1ebf v\u1ec1 B\u1ea3o v\u1ec7 B\u1ee9c x\u1ea1 (ICRP), \u0111\u1ea1i l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng li\u1ec1u m\u00f4i tr\u01b0\u1eddng H<sup>*<\/sup>(10) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ee5c \u0111\u00edch ki\u1ec3m so\u00e1t m\u00f4i tr\u01b0\u1eddng nh\u1eb1m cung c\u1ea5p c\u00e1c th\u00f4ng tin c\u1ea7n thi\u1ebft cho c\u00e1c c\u01a1 s\u1edf \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt h\u1ea1t nh\u00e2n trong vi\u1ec7c gi\u00e1m s\u00e1t v\u00e0 ph\u00e2n lu\u1ed3ng c\u00e1c khu v\u1ef1c l\u00e0m vi\u1ec7c h\u1ee3p l\u00fd. Tuy nhi\u00ean, qu\u00e1 tr\u00ecnh \u0111o \u0111a\u0323c v\u00e0 \u0111a\u0301nh gia\u0301 li\u00ea\u0300u l\u01b0\u01a1\u0323ng g\u00e2y b\u01a1\u0309i b\u01b0\u0301c xa\u0323 n\u01a1tron th\u01b0\u01a1\u0300ng g\u0103\u0323p nhi\u00ea\u0300u kho\u0301 kh\u0103n do ba\u0309n ch\u00e2\u0301t v\u00e2\u0323t ly\u0301 cu\u0309a loa\u0323i b\u01b0\u0301c xa\u0323 na\u0300y: kh\u00f4ng mang \u0111i\u1ec7n, ph\u1ed5 n\u0103ng l\u01b0\u1ee3ng li\u00ean t\u1ee5c v\u00e0 h\u1ec7 s\u1ed1 chuy\u1ec3n \u0111\u1ed5i li\u1ec1u thay \u0111\u1ed5i l\u1edbn trong c\u00e1c d\u1ea3i n\u0103ng l\u01b0\u1ee3ng kh\u00e1c nhau.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">C\u1ea5u h\u00ecnh \u0111\u1ea7u d\u00f2 \u0111a l\u1edbp \u0111\u01b0\u1ee3c nh\u00f3m nghi\u00ean c\u1ee9u c\u1ee7a Trung t\u00e2m K\u1ef9 thu\u1eadt H\u1ea1t nh\u00e2n &#8211; Vi\u1ec7n Khoa h\u1ecdc v\u00e0 K\u1ef9 thu\u1eadt H\u1ea1t nh\u00e2n ph\u00e1t tri\u1ec3n nh\u1eb1m ch\u1ebf t\u1ea1o c\u00e1c thi\u1ebft b\u1ecb \u0111o t\u01b0\u01a1ng \u0111\u01b0\u01a1ng li\u1ec1u n\u01a1tron m\u00f4i tr\u01b0\u1eddng v\u1edbi kh\u1ea3 n\u0103ng \u0111o \u0111\u1ea1c trong d\u1ea3i n\u0103ng l\u01b0\u1ee3ng r\u1ed9ng (0,025 eV \u0111\u1ebfn 15 MeV) v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u01a1 b\u1ea3n c\u1ee7a ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf IEC 61005-2014 d\u00e0nh cho c\u00e1c thi\u1ebft b\u1ecb \u0111o li\u1ec1u n\u01a1tron.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">H\u1ec7 \u0111o \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi k\u00edch th\u01b0\u1edbc 20,5&#215;24,5 cm, bao g\u1ed3m m\u1ed9t \u1ed1ng \u0111\u1ebfm t\u1ec9 l\u1ec7 <sup>3<\/sup>He \u0111\u1eb7t t\u1ea1i v\u1ecb tr\u00ed trung t\u00e2m, bao quanh l\u00e0 kh\u1ed1i l\u00e0m ch\u1eadm l\u00e0m t\u1eeb v\u1eadt li\u1ec7u polyethylen m\u1eadt \u0111\u1ed9 cao (HDPE) v\u00e0 Cadimi (Cd). C\u00e1c \u0111\u1eb7c tr\u01b0ng c\u01a1 b\u1ea3n c\u1ee7a thi\u1ebft b\u1ecb nh\u01b0: \u0111\u1ed9 nh\u1ea1y, \u0111\u1ed9 tuy\u1ebfn t\u00ednh v\u00e0 kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c trong c\u00e1c tr\u01b0\u1eddng n\u01a1tron th\u1ef1c t\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng t\u1ea1i ph\u00f2ng chu\u1ea9n n\u01a1tron c\u1ee7a Vi\u1ec7n Khoa h\u1ecdc v\u00e0 K\u1ef9 thu\u1eadt H\u1ea1t nh\u00e2n. C\u00e1c k\u1ebft qu\u1ea3 kh\u1ea3o s\u00e1t cho th\u1ea5y kh\u1ed1i \u0111\u1ea7u d\u00f2 c\u00f3 \u0111\u1ed9 nh\u1ea1y cao (2,84 cps\/\u00b5Sv.h<sup>-1<\/sup>) v\u1edbi \u0111\u1eb7c tr\u01b0ng v\u1ec1 \u0111\u00e1p \u1ee9ng n\u0103ng l\u01b0\u1ee3ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u1ed9t s\u1ed1 m\u00e1y \u0111o li\u1ec1u th\u01b0\u01a1ng m\u1ea1i tr\u00ean th\u1ecb tr\u01b0\u1eddng (Aloka TPS 451C, Fuji electric NSN1, NDN,\u2026). S\u1ea3n ph\u1ea9m l\u00e0 k\u1ebft qu\u1ea3 th\u1ef1c hi\u1ec7n \u0110\u1ec1 t\u00e0i khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ea5p c\u01a1 s\u1edf v\u1edbi n\u1ed9i dung: Nghi\u00ean c\u1ee9u t\u1ed1i \u01b0u h\u00f3a \u0111\u00e1p \u1ee9ng n\u0103ng l\u01b0\u1ee3ng c\u1ee7a thi\u1ebft b\u1ecb \u0111o li\u1ec1u n\u01a1tron s\u1eed d\u1ee5ng \u0111\u1ea7u d\u00f2 <sup>3<\/sup>He, m\u00e3 s\u1ed1: CS\/20\/04-02.<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-15907\" src=\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2021\/11\/01.11.21.1-1.jpg\" alt=\"\" width=\"750\" height=\"388\" srcset=\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2021\/11\/01.11.21.1-1.jpg 750w, https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2021\/11\/01.11.21.1-1-300x155.jpg 300w, https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2021\/11\/01.11.21.1-1-150x78.jpg 150w, https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2021\/11\/01.11.21.1-1-696x360.jpg 696w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p style=\"text-align: center;\"><em>Th\u1ef1c nghi\u1ec7m ki\u1ec3m ch\u1ee9ng thi\u1ebft b\u1ecb t\u1ea1i Ph\u00f2ng chu\u1ea9n li\u1ec1u N\u01a1tron &#8211; Vi\u1ec7n Khoa h\u1ecdc v\u00e0 K\u1ef9 thu\u1eadt H\u1ea1t nh\u00e2n<\/em><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>C\u1ea5u h\u00ecnh \u0111\u1ea7u d\u00f2<\/strong><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-15908\" src=\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2021\/11\/01.11.21.2.png\" alt=\"\" width=\"642\" height=\"421\" srcset=\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2021\/11\/01.11.21.2.png 642w, https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2021\/11\/01.11.21.2-300x197.png 300w, https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2021\/11\/01.11.21.2-150x98.png 150w, https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2021\/11\/01.11.21.2-640x420.png 640w\" sizes=\"auto, (max-width: 642px) 100vw, 642px\" \/><\/p>\n<ul>\n<li><strong>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/strong><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-15909\" src=\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2021\/11\/01.11.21.3.jpg\" alt=\"\" width=\"748\" height=\"1624\" srcset=\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2021\/11\/01.11.21.3.jpg 748w, https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2021\/11\/01.11.21.3-138x300.jpg 138w, https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2021\/11\/01.11.21.3-472x1024.jpg 472w, https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2021\/11\/01.11.21.3-69x150.jpg 69w, https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2021\/11\/01.11.21.3-707x1536.jpg 707w, https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2021\/11\/01.11.21.3-696x1511.jpg 696w, https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2021\/11\/01.11.21.3-193x420.jpg 193w\" sizes=\"auto, (max-width: 748px) 100vw, 748px\" \/><\/p>\n<p style=\"text-align: right;\"><strong>Mai V\u0103n Di\u1ec7n <\/strong><\/p>\n<p style=\"text-align: right;\"><strong>Trung t\u00e2m K\u1ef9 thu\u1eadt H\u1ea1t nh\u00e2n,\u00a0Vi\u1ec7n Khoa h\u1ecdc v\u00e0 K\u1ef9 thu\u1eadt H\u1ea1t nh\u00e2n<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ee9c x\u1ea1 n\u01a1tron l\u00e0 b\u01b0\u0301c xa\u0323 co\u0301 kh\u1ea3 n\u0103ng \u0111\u00e2m xuy\u00ean ma\u0323nh v\u00e0 co\u0301 h\u00ea\u0323 s\u00f4\u0301 truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng tuy\u00ea\u0301n ti\u0301nh (LET) l\u1edbn khi t\u00e1n x\u1ea1 trong m\u00f4 c\u01a1 th\u1ec3. Vi\u00ea\u0323c che ch\u0103\u0301n b\u1ee9c x\u1ea1 n\u01a1tron r\u1ea5t ph\u1ee9c t\u1ea1p, do \u0111o\u0301 v\u00e2\u0301n \u0111\u00ea\u0300 ki\u00ea\u0309m soa\u0301t an toa\u0300n \u0111\u00f4\u0301i v\u01a1\u0301i lo\u1ea1i b\u01b0\u0301c xa\u0323 n\u00e0y \u0111ang ng\u00e0y [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15907,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"class_list":["post-8263","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-hoat-dong-cua-vien"],"_links":{"self":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/8263","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/comments?post=8263"}],"version-history":[{"count":2,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/8263\/revisions"}],"predecessor-version":[{"id":15911,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/8263\/revisions\/15911"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/media\/15907"}],"wp:attachment":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/media?parent=8263"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/categories?post=8263"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/tags?post=8263"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}