{"id":11167,"date":"2016-07-17T17:51:56","date_gmt":"2016-07-17T17:51:56","guid":{"rendered":"http:\/\/baovietduc.de\/?p=11167"},"modified":"2016-07-17T17:51:56","modified_gmt":"2016-07-17T17:51:56","slug":"thong-tin-gay-soc-ve-bui-phong-xa-tu-nha-may-hat-nhan-fukushima","status":"publish","type":"post","link":"https:\/\/baovietduc.de\/2016\/07\/thong-tin-gay-soc-ve-bui-phong-xa-tu-nha-may-hat-nhan-fukushima\/","title":{"rendered":"Th\u00f4ng tin g\u00e2y s\u1ed1c v\u1ec1 b\u1ee5i ph\u00f3ng x\u1ea1 t\u1eeb nh\u00e0 m\u00e1y h\u1ea1t nh\u00e2n Fukushima"},"content":{"rendered":"

D\u00e2n tr\u00ed Theo m\u1ed9t nghi\u00ean c\u1ee9u m\u1edbi g\u00e2y s\u1ed1c, t\u1ea1i trung t\u00e2m th\u00e0nh ph\u1ed1 Tokyo ch\u1ec9 v\u00e0i ng\u00e0y sau khi x\u1ea3y ra tai n\u1ea1n, h\u1ea7u h\u1ebft b\u1ee5i ph\u00f3ng x\u1ea1 h\u1ea1t nh\u00e2n t\u1eeb s\u1ef1 c\u1ed1 nh\u00e0 m\u00e1y h\u1ea1t nh\u00e2n Fukushima \u0111\u00e3 tr\u1edf n\u00ean \u0111\u1eadm \u0111\u1eb7c, kh\u00f4ng tan v\u00e0 l\u1eafng trong c\u00e1c h\u1ea1t th\u1ee7y tinh c\u1ef1c nh\u1ecf. \u201cB\u1ee5i\u201d th\u1ee7y tinh n\u00e0y \u0111\u01a1n gi\u1ea3n kh\u00f4ng th\u1ec3 h\u00f2a tan b\u1edfi n\u01b0\u1edbc m\u01b0a ho\u1eb7c n\u01b0\u1edbc m\u00e1y – c\u00f3 ngh\u0129a l\u00e0 ch\u00fang \u1edf l\u1ea1i trong m\u00f4i tr\u01b0\u1eddng tr\u1eeb khi \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf theo c\u00e1ch v\u1eadt l\u00fd.<\/h2>\n
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\"C\u00e1c<\/div>\n
C\u00e1c ch\u1ea5t ph\u00f3ng x\u1ea1 ng\u01b0ng t\u1ee5 th\u00e0nh c\u00e1c vi h\u1ea1t th\u1ee7y tinh … hi\u1ec7n nay r\u1ea5t \u0111\u1eadm \u0111\u1eb7c v\u00e0 kh\u00f4ng tan<\/div>\n<\/div>\n

Nh\u1eefng h\u1ea1t nh\u1ecf n\u00e0y c\u0169ng ch\u1ee9a c\u00e1c \u0111\u1ed3ng v\u1ecb ph\u00f3ng x\u1ea1 xesi \u0111\u1eadm \u0111\u1eb7c. \u0110i\u1ec1u n\u00e0y c\u0169ng c\u00f3 ngh\u0129a r\u1eb1ng, \u1ea3nh h\u01b0\u1edfng v\u1ec1 li\u1ec1u l\u01b0\u1ee3ng c\u1ee7a b\u1ee5i ph\u00f3ng x\u1ea1 v\u1eabn ch\u01b0a r\u00f5 r\u00e0ng. Nh\u1eefng k\u1ebft qu\u1ea3 n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 t\u1ea1i H\u1ed9i ngh\u1ecb \u0110\u1ecba h\u00f3a h\u1ecdc Goldschmidt \u1edf Yokohama, Nh\u1eadt B\u1ea3n v\u00e0o gi\u1eefa th\u00e1ng 6\/2016. N\u0103m n\u0103m sau khi x\u1ea3y ra tai n\u1ea1n, nghi\u00ean c\u1ee9u v\u1eabn \u0111ang ti\u1ebfp t\u1ee5c t\u00ecm ki\u1ebfm c\u00e1c t\u00e1c \u0111\u1ed9ng c\u1ee7a b\u1ee5i ph\u00f3ng x\u1ea1 g\u00e2y t\u1ed5n h\u1ea1i \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n

Ng\u00e0y 11\/3\/2011, m\u1ed9t tr\u1eadn l\u0169 l\u1ee5t l\u1edbn \u0111\u00e3 x\u1ea3y ra t\u1ea1i Nh\u00e0 m\u00e1y \u0111i\u1ec7n h\u1ea1t nh\u00e2n Fukushima-Daiichi sau m\u1ed9t tr\u1eadn \u0111\u1ed9ng \u0111\u1ea5t th\u1ea3m kh\u1ed1c \u0111\u00e3 d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng ph\u00e1t t\u00e1n c\u00e1c ch\u1ea5t ph\u00f3ng x\u1ea1 v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn. \u0110\u01b0\u01a1ng nhi\u00ean, nh\u1eefng ch\u1ea5t ph\u00f3ng x\u1ea1 n\u00e0y ti\u1ebfp t\u1ee5c xu\u1ea5t hi\u1ec7n trong m\u00f4i tr\u01b0\u1eddng, v\u00ed d\u1ee5 nh\u01b0 c\u00e1c \u0111\u1ed3ng v\u1ecb ph\u00f3ng x\u1ea1 xesi-137, c\u00f3 chu k\u1ef3 b\u00e1n r\u00e3 30 n\u0103m.<\/p>\n

C\u00e1c nh\u00e0 \u0111\u1ecba h\u00f3a h\u1ecdc Nh\u1eadt B\u1ea3n t\u1eeb \u0110\u1ea1i h\u1ecdc Kyushu \u0111\u00e3 thu th\u1eadp c\u00e1c m\u1eabu t\u1eeb m\u1ed9t khu v\u1ef1c trong ph\u1ea1m vi 230 km t\u1eeb nh\u00e0 m\u00e1y \u0111i\u1ec7n. B\u1edfi v\u00ec xesi h\u00f2a tan trong n\u01b0\u1edbc, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 d\u1ef1 \u0111o\u00e1n r\u1eb1ng, h\u1ea7u h\u1ebft xesi \u0111\u00e3 ti\u00eau tan v\u00e0 hy v\u1ecdng ch\u00fang \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1ea3 s\u1ea1ch nh\u1edd n\u01b0\u1edbc m\u01b0a. Nh\u01b0ng th\u1eadt \u0111\u00e1ng ti\u1ebfc, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng, th\u1ef1c ch\u1ea5t h\u1ea7u h\u1ebft xesi t\u1eeb b\u1ee5i ph\u00f3ng x\u1ea1 \u0111\u00e3 r\u01a1i xu\u1ed1ng \u0111\u1ea5t gi\u1ed1ng nh\u01b0 nh\u1eefng vi h\u1ea1t \u0111\u01b0\u1ee3c b\u1ecdc trong th\u1ee7y tinh, gi\u1ed1ng nh\u01b0 l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh khi c\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng tan ch\u1ea3y.<\/p>\n

Xesi \u0111\u01b0\u1ee3c b\u1ecdc trong m\u1ed9t l\u1edbp th\u1ee7y tinh oxit silic, th\u1ef1c s\u1ef1 \u0111\u1eadm \u0111\u1eb7c, th\u1eadm ch\u00ed l\u00e0m cho n\u00f3 m\u1ea1nh h\u01a1n. Do h\u00e0m l\u01b0\u1ee3ng xesi trong m\u1ed7i h\u1ea1t cao, n\u00ean l\u01b0\u1ee3ng ph\u00f3ng x\u1ea1 tr\u00ean m\u1ed7i l\u00f2 cao h\u01a1n l\u01b0\u1ee3ng ph\u00f3ng x\u1ea1 xesi trung b\u00ecnh \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n trong \u0111\u1ea5t \u1edf khu v\u1ef1c xung quanh Fukushima t\u1eeb 10 tri\u1ec7u \u0111\u1ebfn 100 tri\u1ec7u l\u1ea7n.<\/p>\n

Ngo\u00e0i nh\u1eefng lo ng\u1ea1i v\u1ec1 \u00f4 nhi\u1ec5m xesi, v\u00e0o th\u00e1ng T\u01b0 n\u0103m 2016, Nh\u1eadt B\u1ea3n c\u0169ng \u0111\u00e3 ti\u1ebft l\u1ed9 c\u00e1c k\u1ebf ho\u1ea1ch th\u1ea3i 1.000 th\u00f9ng n\u01b0\u1edbc b\u1ecb nhi\u1ec5m triti v\u00e0o \u0111\u1ea1i d\u01b0\u01a1ng. Triti l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u ph\u00f3ng x\u1ea1 kh\u00e1c, ch\u1ea5t n\u00e0y g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3 lo\u1ea1i b\u1ecf. Ba tr\u0103m t\u1ea5n n\u01b0\u1edbc b\u1ecb nhi\u1ec5m x\u1ea1 \u0111\u01b0\u1ee3c \u0111\u01b0\u1ee3c sinh ra m\u1ed7i ng\u00e0y v\u00e0 ch\u00fang \u0111ang ch\u1ea1y qua bu\u1ed3ng l\u01b0u tr\u1eef n\u00f3. V\u1eady t\u1ea1i sao kh\u00f4ng x\u1ea3 t\u1ea5t c\u1ea3 v\u00e0o \u0111\u1ea1i d\u01b0\u01a1ng?<\/p>\n

Nhi\u1ec1u quan ch\u1ee9c \u0111\u00e3 l\u00ean ti\u1ebfng lo ng\u1ea1i v\u1ec1 k\u1ebf ho\u1ea1ch g\u00e2y nhi\u1ec5u n\u00e0y, bao g\u1ed3m EPA Hoa K\u1ef3, tuy nhi\u00ean m\u1ed9t s\u1ed1 ng\u01b0\u1eddi tin ch\u00fang ho\u00e0n to\u00e0n an to\u00e0n. V\u00ed d\u1ee5, ch\u1ee7 t\u1ecbch C\u01a1 quan Qu\u1ea3n l\u00fd h\u1ea1t nh\u00e2n, Shunichi Tanaka cho bi\u1ebft: “Triti r\u1ea5t y\u1ebfu trong ph\u00f3ng x\u1ea1 c\u1ee7a n\u00f3 v\u00e0 n\u00f3 s\u1ebd kh\u00f4ng ng\u1ea5m qua b\u00ec nh\u1ef1a”.<\/p>\n

\u0110\u00fang l\u00e0 triti kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng ng\u1ea5m b\u00ean ngo\u00e0i l\u1edbp da \u0111\u1ea7u ti\u00ean c\u1ee7a ng\u01b0\u1eddi – n\u1ebfu ch\u00fang c\u00f3 m\u1eb7t trong m\u00f4i tr\u01b0\u1eddng. Tuy nhi\u00ean, h\u1ea7u h\u1ebft ph\u01a1i nhi\u1ec5m triti l\u00e0 t\u1eeb n\u01b0\u1edbc u\u1ed1ng v\u00e0 th\u1ef1c ph\u1ea9m b\u1ecb \u00f4 nhi\u1ec5m v\u00e0 \u0111\u00f3 ch\u00ednh l\u00e0 n\u01a1i kh\u1edfi \u0111\u1ea7u cho nh\u1eefng r\u1eafc r\u1ed1i. \u1ee6y ban Qu\u1ea3n l\u00fd h\u1ea1t nh\u00e2n Hoa K\u1ef3 cho r\u1eb1ng, khi m\u1ed9t ng\u01b0\u1eddi \u0103n ph\u1ea3i triti, n\u00f3 nhanh ch\u00f3ng ph\u00e2n t\u00e1n v\u00e0o c\u00e1c m\u00f4 m\u1ec1m. Sau m\u01b0\u1eddi ng\u00e0y, kho\u1ea3ng m\u1ed9t n\u1eeda s\u1ed1 triti s\u1ebd \u0111\u01b0\u1ee3c th\u1ea3i ra ngo\u00e0i. \u0110i\u1ec1u \u0111\u00e1ng ch\u00fa \u00fd l\u00e0 triti l\u00e0 m\u1ed9t d\u1ea1ng ph\u00f3ng x\u1ea1 c\u1ee7a hydro, v\u00e0 n\u00f3 c\u0169ng c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p v\u1edbi oxy \u0111\u1ec3 t\u1ea1o th\u00e0nh n\u01b0\u1edbc.N\u01b0\u1edbc si\u00eau n\u1eb7ng l\u00e0 ch\u1ea5t ph\u00f3ng x\u1ea1 tuy nhi\u00ean v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc n\u00f3 gi\u1ed1ng v\u1edbi n\u01b0\u1edbc u\u1ed1ng b\u00ecnh th\u01b0\u1eddng v\u00e0 triti kh\u00f4ng th\u1ec3 l\u1ecdc b\u1ecf \u0111\u01b0\u1ee3c.
\nV\u00ec v\u1eady, c\u00e1c vi h\u1ea1t th\u1ee7y tinh ph\u00f3ng x\u1ea1 kh\u00f4ng th\u1ec3 b\u1ecb ph\u00e1 v\u1ee1, v\u00e0 triti kh\u00f4ng th\u1ec3 l\u1ecdc b\u1ecf kh\u1ecfi n\u01b0\u1edbc.<\/p>\n

Minh Trang<\/strong> (Theo Newstarget)<\/i><\/p>\n

Th\u00f4ng tin g\u00e2y s\u1ed1c v\u1ec1 b\u1ee5i ph\u00f3ng x\u1ea1 t\u1eeb nh\u00e0 m\u00e1y h\u1ea1t nh\u00e2n Fukushima<\/h1>\n
<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

D\u00e2n tr\u00ed Theo m\u1ed9t nghi\u00ean c\u1ee9u m\u1edbi g\u00e2y s\u1ed1c, t\u1ea1i trung t\u00e2m th\u00e0nh ph\u1ed1 Tokyo ch\u1ec9 v\u00e0i ng\u00e0y sau khi x\u1ea3y ra tai n\u1ea1n, h\u1ea7u h\u1ebft b\u1ee5i ph\u00f3ng x\u1ea1 h\u1ea1t nh\u00e2n t\u1eeb s\u1ef1 c\u1ed1 nh\u00e0 m\u00e1y h\u1ea1t nh\u00e2n Fukushima \u0111\u00e3 tr\u1edf n\u00ean \u0111\u1eadm \u0111\u1eb7c, kh\u00f4ng tan v\u00e0 l\u1eafng trong c\u00e1c h\u1ea1t th\u1ee7y tinh c\u1ef1c nh\u1ecf. […]<\/p>\n","protected":false},"author":2,"featured_media":11168,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[124,119,121,112,120],"tags":[684],"_links":{"self":[{"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/posts\/11167"}],"collection":[{"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/comments?post=11167"}],"version-history":[{"count":0,"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/posts\/11167\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/media\/11168"}],"wp:attachment":[{"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/media?parent=11167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/categories?post=11167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/baovietduc.de\/wp-json\/wp\/v2\/tags?post=11167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}