{"id":6676,"date":"2020-12-23T15:15:52","date_gmt":"2020-12-23T08:15:52","guid":{"rendered":"https:\/\/vinatom.gov.vn\/?p=6676"},"modified":"2020-12-23T15:15:52","modified_gmt":"2020-12-23T08:15:52","slug":"vat-lieu-phong-xa-xuat-hien-o-bien-dong-den-tu-nguon-nao","status":"publish","type":"post","link":"https:\/\/vinatom.gov.vn\/vat-lieu-phong-xa-xuat-hien-o-bien-dong-den-tu-nguon-nao\/","title":{"rendered":"V\u1eadt li\u1ec7u ph\u00f3ng x\u1ea1 xu\u1ea5t hi\u1ec7n \u1edf Bi\u1ec3n \u0110\u00f4ng: \u0110\u1ebfn t\u1eeb ngu\u1ed3n n\u00e0o?"},"content":{"rendered":"<p class=\"desc-n\" style=\"text-align: justify;\">Nh\u1eefng th\u00f4ng tin v\u1ec1 s\u1ef1 xu\u1ea5t hi\u1ec7n v\u1eadt li\u1ec7u ph\u00f3ng x\u1ea1 l\u00e0 Iodine-129 \u1edf v\u00f9ng bi\u1ec3n ph\u00eda T\u00e2y Phillipines tr\u00ean Bi\u1ec3n \u0110\u00f4ng \u0111\u00e3 l\u00e0m d\u1ea5y l\u00ean c\u00e2u h\u1ecfi trong c\u1ed9ng \u0111\u1ed3ng n\u0103ng l\u01b0\u1ee3ng nguy\u00ean t\u1eed: v\u1eadt li\u1ec7u Iodine-129 n\u00e0y \u0111\u1ebfn t\u1eeb \u0111\u00e2u?<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">V\u1ea5n \u0111\u1ec1 n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp t\u1edbi trong khu\u00f4n kh\u1ed5 phi\u00ean h\u1ecdp M\u1ea1ng l\u01b0\u1edbi c\u00e1c c\u01a1 quan ph\u00e1p quy h\u1ea1t nh\u00e2n \u0110\u00f4ng Nam \u00c1 do Vi\u1ec7t Nam l\u00e0m ch\u1ee7 t\u1ecbch v\u00e0o cu\u1ed1i th\u00e1ng 11\/2020. Khi \u0111\u00f3, TS Carlo Arcilla, Vi\u1ec7n tr\u01b0\u1edfng Vi\u1ec7n nghi\u00ean c\u1ee9u h\u1ea1t nh\u00e2n Philippines (PNRI) b\u00e1o c\u00e1o tr\u1ef1c tuy\u1ebfn: ph\u00e1t hi\u1ec7n ra m\u1ed9t d\u1ea1ng v\u1eadt li\u1ec7u ph\u00f3ng x\u1ea1 t\u1ed3n t\u1ea1i trong r\u1ea1n san h\u00f4 v\u00e0 n\u01b0\u1edbc bi\u1ec3n \u1edf bi\u1ec3n T\u00e2y Philippines. Sau bu\u1ed5i h\u1ecdp, \u00f4ng Arcilla \u0111\u00e3 tr\u1ea3 l\u1eddi qua \u0111i\u1ec7n tho\u1ea1i v\u1edbi\u00a0<em>BusinessMirror<\/em>, m\u1ed9t t\u1edd b\u00e1o c\u1ee7a Philippines, l\u00e0 ph\u00f3ng x\u1ea1 \u0111\u00f3 \u201ckh\u00f4ng nguy hi\u1ec3m nh\u01b0ng c\u00f3 th\u1ec3 truy d\u1ea5u \u0111\u01b0\u1ee3c&#8221;, \u0111\u1ed3ng th\u1eddi cho r\u1eb1ng \u201cV\u1ea5n \u0111\u1ec1 l\u00e0 c\u00e1i g\u00ec t\u1ea1o ra v\u1eadt li\u1ec7u ph\u00f3ng x\u1ea1 \u1edf \u0111\u00f3? C\u00f3 c\u00e1c ho\u1ea1t \u0111\u1ed9ng h\u1ea1t nh\u00e2n trong khu v\u1ef1c n\u00e0y, hay \u1edf Tri\u1ec1u Ti\u00ean?\u201d\u00a0<sup>1<\/sup>.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Th\u1ef1c ra, v\u1eadt li\u1ec7u ph\u00f3ng x\u1ea1 iodine-129 m\u00e0 TS Carlo Arcilla \u0111\u1ec1 c\u1eadp t\u1edbi l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a m\u1ed9t nghi\u00ean c\u1ee9u c\u00f4ng b\u1ed1 v\u00e0o th\u00e1ng 11\/2016 \u201cHistorical record of nuclear activities from\u00a0<sup>129<\/sup>I in corals from the northern hemisphere (Philippines)\u201d (Ghi nh\u1eadn l\u1ecbch s\u1eed c\u00e1c ho\u1ea1t \u0111\u1ed9ng h\u1ea1t nh\u00e2n trong c\u00e1c r\u1ea1n san h\u00f4 t\u1eeb b\u00e1n c\u1ea7u B\u1eafc- Philippines) tr\u00ean t\u1ea1p ch\u00ed\u00a0<em>Journal of Environmental Radioactivity\u00a0<\/em>c\u1ee7a nh\u00e0 xu\u1ea5t b\u1ea3n Elservier\u00a0<sup>2<\/sup>. Nh\u00e0 nghi\u00ean c\u1ee9u tr\u1ebb Angel T.BautistaVII c\u1ee7a PNRI \u2013 t\u00e1c gi\u1ea3 li\u00ean h\u1ec7 c\u1ee7a b\u00e0i b\u00e1o n\u00e0y, \u0111\u00e3 th\u1ef1c hi\u1ec7n nghi\u00ean c\u1ee9u trong th\u1eddi gian l\u00e0m nghi\u00ean c\u1ee9u sinh t\u1ea1i Khoa K\u1ef9 thu\u1eadt v\u00e0 qu\u1ea3n l\u00fd h\u1ea1t nh\u00e2n, tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Tokyo.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Khi d\u00f9ng k\u1ef9 thu\u1eadt h\u1ea1t nh\u00e2n, ph\u00e2n t\u00edch c\u00e1c m\u1eabu san h\u00f4 l\u1ea5y t\u1eeb Baler v\u00e0 Parola tr\u00ean m\u00e1y kh\u1ed1i ph\u1ed5 gia t\u1ed1c AMS v\u00e0 quang ph\u1ed5 plasma ICP-MS \u0111\u1eb7t t\u1ea1i tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc Tokyo, Angel T.BautistaVII v\u00e0 c\u1ed9ng s\u1ef1 nh\u1eadn th\u1ea5y c\u00f3 s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a iodine-129 \u00a0\u2013 m\u1ed9t trong nh\u1eefng s\u1ea3n ph\u1ea9m c\u1ee7a ph\u1ea3n \u1ee9ng ph\u00e2n h\u1ea1ch h\u1ea1t nh\u00e2n nh\u01b0 cesium-137 &#8211; trong m\u1eabu san h\u00f4. \u201cTuy nhi\u00ean, chu k\u1ef3 b\u00e1n r\u00e3 c\u1ee7a iodine-129 d\u00e0i h\u01a1n nhi\u1ec1u so v\u1edbi cesium-137 b\u1edfi iodine-129 c\u00f3 th\u1ec3 t\u1ed3n l\u01b0u trong m\u00f4i tr\u01b0\u1eddng 15,7 tri\u1ec7u n\u0103m trong khi chu k\u1ef3 b\u00e1n r\u00e3 c\u1ee7a cesium-137 l\u00e0 v\u00e0o kho\u1ea3ng 30 n\u0103m\u201d, TS. Nguy\u1ec5n H\u00e0o Quang, Vi\u1ec7n N\u0103ng l\u01b0\u1ee3ng nguy\u00ean t\u1eed Vi\u1ec7t Nam (VINATOM), cho bi\u1ebft. V\u1edbi chu k\u1ef3 b\u00e1n r\u00e3 n\u00e0y, c\u00f3 th\u1ec3 coi iodine-129 nh\u01b0 \u0111\u1ed3ng v\u1ecb b\u1ec1n.<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6677\" src=\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2020\/12\/23.12.20.5.png\" alt=\"\" width=\"750\" height=\"304\" \/><\/p>\n<p style=\"text-align: justify;\">K\u1ebft qu\u1ea3 ph\u00e2n t\u00edch tr\u00ean c\u00e1c thi\u1ebft b\u1ecb AMS v\u00e0 ICP-MS cho th\u1ea5y, \u0111\u1ed3ng v\u1ecb b\u1ec1n iodine-127 xu\u1ea5t hi\u1ec7n \u1edf m\u1ee9c ph\u1ea7n tri\u1ec7u (ppm) trong m\u1eabu san h\u00f4 \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb hai v\u1ecb tr\u00ed quan tr\u1eafc t\u1ea1i Parola (\u1edf bi\u1ec3n \u0110\u00f4ng) v\u00e0 Baler (\u1edf ph\u00eda Th\u00e1i B\u00ecnh D\u01b0\u01a1ng) v\u1edbi n\u1ed3ng \u0111\u1ed9 t\u1eeb 3,7 v\u00e0 5,4 ppm.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">T\u1ef7 s\u1ed1 iodine-129\/iodine-127 \u1edf v\u1ecb tr\u00ed Parola c\u00f3 xu h\u01b0\u1edbng gi\u1eef nguy\u00ean \u1edf m\u1ee9c t\u0103ng cao sau n\u0103m 1986 trong khi t\u1ef7 s\u1ed1 n\u00e0y \u1edf v\u1ecb tr\u00ed Baler l\u1ea1i c\u00f3 xu h\u01b0\u1edbng gi\u1ea3m.<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6686\" src=\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2020\/12\/23.12.20.7.jpg\" alt=\"\" width=\"700\" height=\"383\" \/><\/p>\n<p style=\"text-align: justify;\">\u0110i\u1ec3m l\u1ea1i c\u00e1c ho\u1ea1t \u0111\u1ed9ng h\u1ea1t nh\u00e2n trong kho\u1ea3ng th\u1eddi gian \u0111\u00f3, c\u00f3 th\u1ec3 \u0111\u01b0a ra m\u1ed9t s\u1ed1 ph\u1ecfng \u0111o\u00e1n: c\u00f3 th\u1ec3 nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y ph\u00e1t th\u1ea3i t\u1eeb t\u1ef1 nhi\u00ean (tr\u01b0\u1edbc nh\u1eefng n\u0103m 1950), c\u00e1c v\u1ee5 th\u1eed nghi\u1ec7m v\u0169 kh\u00ed h\u1ea1t nh\u00e2n c\u1ee7a M\u1ef9, Li\u00ean bang Soviet, Ph\u00e1p v\u00e0 Trung Qu\u1ed1c (1951 &#8211; 1976), t\u1eeb qu\u00e1 tr\u00ecnh t\u00e1i x\u1eed l\u00fd nhi\u00ean li\u1ec7u h\u1ea1t nh\u00e2n (1977 &#8211; 1996)\u2026 TS. Angel T.BautistaVII v\u00e0 c\u1ed9ng s\u1ef1 \u0111\u1ec1 xu\u1ea5t s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a iodine-129 tr\u00ean Bi\u1ec3n \u0110\u00f4ng l\u00e0 tr\u1ef1c ti\u1ebfp t\u1eeb kh\u00ed quy\u1ec3n v\u00e0 th\u00f4ng qua c\u00e1c d\u00f2ng ch\u1ea3y \u0111\u1ea1i d\u01b0\u01a1ng, trong \u0111\u00f3 m\u1eabu \u1edf Parola ghi nh\u1eadn sau n\u0103m 1986 cao h\u01a1n h\u1eb3n so v\u1edbi \u1edf Baler. Tuy nhi\u00ean, TS. Angel T.BautistaVII c\u0169ng ch\u01b0a x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u00e2u l\u00e0 ngu\u1ed3n g\u00e2y ra hi\u1ec7u \u1ee9ng n\u00e0y.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Nh\u1eadn x\u00e9t v\u1ec1 ph\u00e1t hi\u1ec7n c\u1ee7a TS. Angel T.BautistaVII v\u00e0 c\u1ed9ng s\u1ef1, TS. Nguy\u1ec5n H\u00e0o Quang cho r\u1eb1ng, \u0111\u00e2y l\u00e0 n\u1ed7 l\u1ef1c c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc Philippines trong vi\u1ec7c ghi nh\u1eadn t\u00edch l\u0169y ph\u00f3ng x\u1ea1 iodine-129\u00a0 theo th\u1eddi gian. Tuy nhi\u00ean, vi\u1ec7c coi \u0111\u00e2y l\u00e0 k\u1ebft qu\u1ea3 t\u1eeb ho\u1ea1t \u0111\u1ed9ng h\u1ea1t nh\u00e2n c\u1ee7a con ng\u01b0\u1eddi t\u1ea1i khu v\u1ef1c n\u00e0y v\u1eabn ch\u01b0a thuy\u1ebft ph\u1ee5c v\u00e0 c\u1ea7n c\u00f3 nhi\u1ec1u b\u1eb1ng ch\u1ee9ng h\u01a1n.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Hi\u1ec7n t\u1ea1i, m\u1ed9t trong nh\u1eefng c\u00f4ng vi\u1ec7c quan tr\u1ecdng c\u1ee7a ng\u00e0nh n\u0103ng l\u01b0\u1ee3ng nguy\u00ean t\u1eed Vi\u1ec7t Nam l\u00e0 th\u00fac \u0111\u1ea9y h\u01b0\u1edbng nghi\u00ean c\u1ee9u v\u00e0 quan tr\u1eafc ph\u00f3ng x\u1ea1 m\u00f4i tr\u01b0\u1eddng, c\u1ea3 v\u1ec1 thi\u1ebft b\u1ecb v\u00e0 n\u0103ng l\u1ef1c nghi\u00ean c\u1ee9u. \u201cM\u1ea1ng l\u01b0\u1edbi quan tr\u1eafc v\u00e0 c\u1ea3nh b\u00e1o ph\u00f3ng x\u1ea1 v\u1edbi 11 \u0111i\u1ec3m ban \u0111\u1ea7u t\u1eeb M\u00f3ng C\u00e1i \u0111\u1ebfn \u0110\u00e0 N\u1eb5ng hi\u1ec7n \u0111ang ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c. C\u00e1c th\u00f4ng tin ghi nh\u1eadn li\u00ean t\u1ee5c 24\/24 \u0111\u1ec1u \u0111\u01b0\u1ee3c truy\u1ec1n tr\u1ef1c ti\u1ebfp v\u1ec1 Vi\u1ec7n Khoa h\u1ecdc v\u00e0 K\u1ef9 thu\u1eadt h\u1ea1t nh\u00e2n (VINATOM) \u0111\u1ec3 l\u01b0u tr\u1eef v\u00e0 x\u1eed l\u00fd. Trong qu\u00e1 tr\u00ecnh n\u00e0y, ch\u00fang t\u00f4i v\u1eabn\u00a0ch\u01b0a ph\u00e1t hi\u1ec7n th\u1ea5y b\u1ea5t c\u1ee9 d\u1ecb th\u01b0\u1eddng n\u00e0o\u201d, TS. Nguy\u1ec5n H\u00e0o Quang n\u00f3i.<\/p>\n<p style=\"text-align: left;\">1.\u00a0<a href=\"https:\/\/businessmirror.com.ph\/2020\/12\/08\/radioactive-material-in-wps-corals-water-baffles-experts\/?fbclid=IwAR1ssyVXm1UeCOhEVjHq6BZOD2_RRvIBWFbL9wGOgYhcX3YSNqWL1TGBF9o\">https:\/\/businessmirror.com.ph\/2020\/12\/08\/radioactive-material-in-wps-corals-water-baffles-experts\/?fbclid=IwAR1ssyVXm1UeCOhEVjHq6BZOD2_RRvIBWFbL9wGOgYhcX3YSNqWL1TGBF9o<\/a><\/p>\n<p style=\"text-align: justify;\">2.<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0265931X16302521#!\">https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0265931X16302521#!<\/a><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: right;\"><strong>Thanh Nh\u00e0n, T\u1ea1p ch\u00ed Tia S\u00e1ng<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nh\u1eefng th\u00f4ng tin v\u1ec1 s\u1ef1 xu\u1ea5t hi\u1ec7n v\u1eadt li\u1ec7u ph\u00f3ng x\u1ea1 l\u00e0 Iodine-129 \u1edf v\u00f9ng bi\u1ec3n ph\u00eda T\u00e2y Phillipines tr\u00ean Bi\u1ec3n \u0110\u00f4ng \u0111\u00e3 l\u00e0m d\u1ea5y l\u00ean c\u00e2u h\u1ecfi trong c\u1ed9ng \u0111\u1ed3ng n\u0103ng l\u01b0\u1ee3ng nguy\u00ean t\u1eed: v\u1eadt li\u1ec7u Iodine-129 n\u00e0y \u0111\u1ebfn t\u1eeb \u0111\u00e2u? &nbsp; V\u1ea5n \u0111\u1ec1 n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp t\u1edbi trong khu\u00f4n kh\u1ed5 phi\u00ean h\u1ecdp [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6686,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-6676","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tong-hop"],"_links":{"self":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/6676","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=6676"}],"version-history":[{"count":0,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/6676\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/"}],"wp:attachment":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/media?parent=6676"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/categories?post=6676"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/tags?post=6676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}