{"id":5822,"date":"2021-11-20T09:59:52","date_gmt":"2021-11-20T02:59:52","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=5822"},"modified":"2021-11-20T13:24:19","modified_gmt":"2021-11-20T06:24:19","slug":"vi-sao-may-kiem-tra-an-toan-co-the-phat-hien-hang-cam-cat-giau-trong-hanh-li","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/vi-sao-may-kiem-tra-an-toan-co-the-phat-hien-hang-cam-cat-giau-trong-hanh-li\/","title":{"rendered":"V\u00ec sao m\u00e1y ki\u1ec3m tra an to\u00e0n c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n h\u00e0ng c\u1ea5m c\u1ea5t gi\u1ea5u trong h\u00e0nh l\u00ed?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">N\u01a1i l\u00e0m th\u1ee7 t\u1ee5c nh\u1eadp c\u1ea3nh c\u1ee7a b\u1ebfn xe, b\u1ebfn c\u1ea3ng v\u00e0 s\u00e2n bay \u0111\u1ec1u \u0111\u01b0\u1ee3c trang b\u1ecb c\u00e1c m\u00e1y ki\u1ec3m tra an to\u00e0n. T\u1ea1i n\u01a1i \u0111\u00f3, h\u00e0nh kh\u00e1ch ph\u1ea3i \u0111\u1ec3 h\u00e0nh l\u00ed \u0111i qua m\u00e1y ki\u1ec3m tra an to\u00e0n. M\u1ed9t khi ph\u00e1t hi\u1ec7n trong h\u00e0nh l\u00ed c\u00f3 h\u00e0ng c\u1ea5m nh\u01b0 ch\u1ea5t d\u1ec5 ch\u00e1y, d\u1ec5 n\u1ed5 v\u00e0 d\u1ec5 \u0103n m\u00f2n, m\u00e1y ki\u1ec3m tra an to\u00e0n li\u1ec1n ph\u00e1t t\u00edn hi\u1ec7u c\u1ea3nh b\u00e1o, b\u1ea3o \u0111\u1ea3m cho h\u00e0nh kh\u00e1ch \u0111\u01b0\u1ee3c an to\u00e0n trong chuy\u1ebfn \u0111i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec sao m\u00e1y ki\u1ec3m tra an to\u00e0n c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n h\u00e0ng ph\u1ea1m ph\u00e1p trong h\u00e0nh l\u00ed nh\u1ec9? \u0110i\u1ec1u \u0111\u00f3 ho\u00e0n to\u00e0n d\u1ef1a v\u00e0o s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a tia X. Ch\u00fang ta bi\u1ebft r\u1eb1ng, tia X l\u00e0 m\u1ed9t lo\u1ea1i s\u00f3ng \u0111i\u1ec7n t\u1eeb, b\u01b0\u1edbc s\u00f3ng c\u1ee7a n\u00f3 c\u00f2n ng\u1eafn h\u01a1n b\u01b0\u1edbc s\u00f3ng c\u1ee7a tia t\u1eed ngo\u1ea1i, n\u00f3i chung kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 1 nanomet. V\u00ec th\u1ebf, tia X c\u00f3 t\u00ednh ch\u1ea5t kh\u00e1c v\u1edbi \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y. \u00c1nh s\u00e1ng nh\u00ecn th\u1ea5y th\u00f4ng th\u01b0\u1eddng ch\u1ec9 c\u00f3 th\u1ec3 xuy\u00ean qua c\u00e1c v\u1eadt th\u1ec3 trong su\u1ed1t nh\u01b0: n\u01b0\u1edbc, thu\u1ef7 tinh v.v. C\u00f2n tia X th\u00ec l\u1ea1i c\u00f3 th\u1ec3 xuy\u00ean th\u1ea5u c\u00e1c v\u1eadt th\u1ec3 kh\u00f4ng trong su\u1ed1t nh\u01b0: gi\u1ea5y, g\u1ed7, v\u1ea3i v.v. V\u1ea3 l\u1ea1i, kh\u1ea3 n\u0103ng xuy\u00ean th\u1ea5u c\u1ee7a tia X \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i v\u1eadt th\u1ec3 kh\u00f4ng nh\u01b0 nhau. \u0110\u1ed1i v\u1edbi v\u1eadt th\u1ec3 do nguy\u00ean t\u1ed1 t\u01b0\u01a1ng \u0111\u1ed1i nh\u1eb9 c\u1ea5u th\u00e0nh, tia X c\u00f3 th\u1ec3 \u0111i qua d\u1ec5 d\u00e0ng, r\u1ea5t \u00edt b\u1ecb h\u1ea5p thu. Nguy\u00ean t\u1eed l\u01b0\u1ee3ng c\u1ee7a nguy\u00ean t\u1eed c\u1ea5u th\u00e0nh v\u1eadt ch\u1ea5t n\u1eb7ng d\u1ea7n l\u00ean, ch\u00fang h\u1ea5p thu tia X nhi\u1ec1u d\u1ea7n l\u00ean. M\u1eadt \u0111\u1ed9 c\u1ee7a c\u00e1c lo\u1ea1i v\u1eadt ph\u1ea9m trong h\u00e0nh l\u00ed c\u1ee7a h\u00e0nh kh\u00e1ch m\u1ed7i th\u1ee9 m\u1ed9t kh\u00e1c. M\u1ee9c \u0111\u1ed9 h\u1ea5p thu c\u1ee7a ch\u00fang \u0111\u1ed1i v\u1edbi tia X v\u00ec th\u1ebf c\u0169ng c\u00f3 kh\u00e1c bi\u1ec7t. Khi tia X qu\u00e9t qua nh\u1eefng v\u1eadt ph\u1ea9m \u0111\u00f3, do c\u00f3 th\u1ee9 h\u1ea5p thu tia X nhi\u1ec1u m\u1ed9t ch\u00fat, c\u00f3 th\u1ee9 h\u1ea5p thu \u00edt m\u1ed9t ch\u00fat, tr\u00ean m\u00e0n hu\u1ef3nh quang c\u1ee7a m\u00e1y ki\u1ec3m tra an to\u00e0n li\u1ec1n hi\u1ec7n ra nh\u1eefng h\u00ecnh b\u00f3ng c\u00f3 m\u1ee9c \u0111\u1ed9 \u0111\u1eadm nh\u1ea1t kh\u00e1c nhau. C\u0103n c\u1ee9 v\u00e0o c\u00e1c h\u00ecnh b\u00f3ng kh\u00e1c nhau \u0111\u00f3, nh\u00e2n vi\u00ean ki\u1ec3m tra an to\u00e0n c\u00f3 th\u1ec3 ph\u00e2n t\u00edch ti\u1ebfn h\u00e0nh \u0111\u1ed1i chi\u1ebfu \u0111\u1ec3 \u0111\u01b0a ra ph\u00e1n \u0111o\u00e1n ch\u00ednh x\u00e1c, k\u1ecbp th\u1eddi ph\u00e1t hi\u1ec7n h\u00e0ng ph\u1ea1m ph\u00e1p l\u1eabn l\u1ed9n trong h\u00e0nh l\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed3ng th\u1eddi, m\u00e1y ki\u1ec3m tra an to\u00e0n c\u00f2n c\u00f3 th\u1ec3 chuy\u1ec3n t\u00edn hi\u1ec7u tia X xuy\u00ean th\u1ea5u v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n, m\u1ed9t khi th\u1ea5y n\u00f3 t\u01b0\u01a1ng t\u1ef1 v\u1edbi t\u00edn hi\u1ec7u \u0111i\u1ec7n do m\u1ed9t lo\u1ea1i h\u00e0ng c\u1ea5m n\u00e0o \u0111\u00f3 sinh ra, b\u1ed9 ph\u1eadn c\u1ea3nh b\u00e1o li\u1ec1n t\u1ef1 \u0111\u1ed9ng ph\u00e1t ra c\u1ea3nh b\u00e1o, nh\u1eafc nh\u1edf nh\u00e2n vi\u00ean ki\u1ec3m tra m\u1edf va li ra xem x\u00e9t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb kho\u00e1: M\u00e1y ki\u1ec3m tra an to\u00e0n; Tia X; H\u1ea5p thu \u00e1nh s\u00e1ng; H\u00e0ng c\u1ea5m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>N\u01a1i l\u00e0m th\u1ee7 t\u1ee5c nh\u1eadp c\u1ea3nh c\u1ee7a b\u1ebfn xe, b\u1ebfn c\u1ea3ng v\u00e0 s\u00e2n bay \u0111\u1ec1u \u0111\u01b0\u1ee3c trang b\u1ecb c\u00e1c m\u00e1y ki\u1ec3m tra an to\u00e0n. T\u1ea1i n\u01a1i \u0111\u00f3, h\u00e0nh kh\u00e1ch ph\u1ea3i \u0111\u1ec3 h\u00e0nh l\u00ed \u0111i qua m\u00e1y ki\u1ec3m tra an to\u00e0n. M\u1ed9t khi ph\u00e1t hi\u1ec7n trong h\u00e0nh l\u00ed c\u00f3 h\u00e0ng c\u1ea5m nh\u01b0 ch\u1ea5t d\u1ec5 ch\u00e1y, d\u1ec5 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,7],"tags":[],"class_list":["post-5822","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5822","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=5822"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5822\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5822"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}