{"id":17426,"date":"2020-06-13T20:17:44","date_gmt":"2020-06-13T20:17:44","guid":{"rendered":"https:\/\/www.radiation-dosimetry.org\/o-que-e-o-principio-de-operacao-do-emblema-de-filme-partes-do-emblema-de-filme-definicao\/"},"modified":"2020-07-20T11:28:01","modified_gmt":"2020-07-20T11:28:01","slug":"o-que-e-o-principio-de-operacao-do-emblema-de-filme-partes-do-emblema-de-filme-definicao","status":"publish","type":"post","link":"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-o-principio-de-operacao-do-emblema-de-filme-partes-do-emblema-de-filme-definicao\/","title":{"rendered":"O que \u00e9 o princ\u00edpio de opera\u00e7\u00e3o do emblema de filme &#8211; Partes do emblema de filme &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-u-clearfix su-u-trim\">Princ\u00edpio de Opera\u00e7\u00e3o do Distintivo de Filme &#8211; Partes do Distintivo de Filme.\u00a0O crach\u00e1 consiste em duas partes: filme fotogr\u00e1fico e um suporte.\u00a0O filme est\u00e1 dentro de um crach\u00e1.\u00a0Dosimetria de Radia\u00e7\u00e3o<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<figure id=\"attachment_26945\" class=\"wp-caption alignright\" aria-describedby=\"caption-attachment-26945\"><a href=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/film-badge-dosimeter-example.png\"><img loading=\"lazy\" class=\"size-full wp-image-26945 lazy-loaded\" src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/film-badge-dosimeter-example.png\" alt=\"dos\u00edmetro de crach\u00e1 de filme\" width=\"204\" height=\"257\" data-lazy-type=\"image\" data-src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/film-badge-dosimeter-example.png\" \/><\/a><figcaption id=\"caption-attachment-26945\" class=\"wp-caption-text\">Distintivo de filme.\u00a0Fonte: www.nde-ed.org<\/figcaption><\/figure>\n<p><strong>Os crach\u00e1s de filme, dos\u00edmetros de crach\u00e1,<\/strong>\u00a0\u00a0s\u00e3o pequenos dispositivos port\u00e1teis para monitorar a dose cumulativa de radia\u00e7\u00e3o devido \u00e0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radiation\/ionizing-radiation\/\">radia\u00e7\u00e3o ionizante<\/a>\u00a0.\u00a0O princ\u00edpio de opera\u00e7\u00e3o \u00e9 semelhante ao das imagens de raios-X.\u00a0O crach\u00e1 consiste em duas partes:\u00a0<strong>filme fotogr\u00e1fico<\/strong>\u00a0e um\u00a0<strong>suporte<\/strong>\u00a0.\u00a0O filme est\u00e1 dentro de um crach\u00e1.\u00a0O peda\u00e7o de filme fotogr\u00e1fico que \u00e9 o material sens\u00edvel e deve ser removido mensalmente e desenvolvido.\u00a0Quanto mais exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o, mais escurecimento do filme.\u00a0O escurecimento do filme \u00e9 linear \u00e0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/radiation-protection\/radiation-exposure\/intensity-of-radiation-dose-and-dose-rate\/\">dose<\/a>\u00a0e doses de at\u00e9\u00a0<a href=\"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-gray-unidade-de-dose-de-radiacao-definicao\/\">10 Gy<\/a>pode ser medido.\u00a0Os dos\u00edmetros de distintivo de filme s\u00e3o aplic\u00e1veis \u200b\u200ba situa\u00e7\u00f5es em que informa\u00e7\u00f5es em tempo real n\u00e3o s\u00e3o necess\u00e1rias, mas registros de monitoramento de doses acumuladas s\u00e3o desejados para compara\u00e7\u00e3o com medi\u00e7\u00f5es de campo ou para avaliar o potencial de efeitos \u00e0 sa\u00fade a longo prazo.\u00a0Na dosimetria, os\u00a0tipos de\u00a0<strong>emblema de\u00a0<\/strong><strong>fibra de quartzo<\/strong>\u00a0e de\u00a0<strong>filme<\/strong>\u00a0est\u00e3o sendo substitu\u00eddos por\u00a0<strong>TLDs<\/strong>\u00a0e\u00a0<strong>EPDs<\/strong>\u00a0(Electronic Personal Dosimeter).<\/p>\n<p>Os dos\u00edmetros de distintivo de filme s\u00e3o apenas para uso \u00fanico, n\u00e3o podem ser reutilizados.\u00a0Um dos\u00edmetro de crach\u00e1 de filme \u00e9 um dos\u00edmetro usado na superf\u00edcie do corpo pela pessoa que est\u00e1 sendo monitorada e registra a dose de radia\u00e7\u00e3o recebida.\u00a0O emblema do filme \u00e9 usado para medir e registrar a exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o devido a\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/photon\/gamma-ray\/\">raios gama<\/a>\u00a0,\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/photon\/gamma-ray\/\">raios\u00a0<\/a><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radiation\/x-rays-roentgen-radiation\/\">X<\/a>\u00a0e\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/beta-particle\/\">part\u00edculas beta<\/a>\u00a0.\u00a0O crach\u00e1 incorpora uma\u00a0<strong>s\u00e9rie de filtros<\/strong>(chumbo, estanho, c\u00e1dmio e pl\u00e1stico) para determinar a qualidade da radia\u00e7\u00e3o.\u00a0Para monitorar a emiss\u00e3o de part\u00edculas beta, os filtros usam v\u00e1rias densidades de pl\u00e1stico ou mesmo material de etiqueta.\u00a0\u00c9 t\u00edpico que um \u00fanico crach\u00e1 contenha uma s\u00e9rie de filtros de diferentes espessuras e materiais diferentes;\u00a0a escolha precisa pode ser determinada pelo ambiente a ser monitorado.<\/p>\n<p><strong>Exemplos de filtros:<\/strong><\/p>\n<ul>\n<li>H\u00e1 uma\u00a0<strong>janela aberta<\/strong>\u00a0que possibilita que radia\u00e7\u00f5es mais fracas cheguem ao filme.<\/li>\n<li>Um\u00a0<strong>filtro pl\u00e1stico fino<\/strong>\u00a0\u00a0que atenua a radia\u00e7\u00e3o beta, mas passa todas as outras radia\u00e7\u00f5es<\/li>\n<li>Um\u00a0<strong>filtro pl\u00e1stico grosso<\/strong>\u00a0que passa quase a radia\u00e7\u00e3o fot\u00f4nica de menor energia e absorve quase a radia\u00e7\u00e3o beta mais alta.<\/li>\n<li>Um\u00a0<strong>filtro dural<\/strong>\u00a0que absorve progressivamente a radia\u00e7\u00e3o de f\u00f3tons em energias abaixo de 65 keV, bem como a radia\u00e7\u00e3o beta.<\/li>\n<li>Um\u00a0<strong>filtro<\/strong>\u00a0de\u00a0<strong>estanho \/ chumbo<\/strong>\u00a0com uma espessura que permite uma resposta \u00e0 dose independente de energia do filme na faixa de energia de f\u00f3tons de 75 keV a 2 MeV.<\/li>\n<li>Um\u00a0<strong>filtro de chumbo de c\u00e1dmio<\/strong>\u00a0pode ser usado para\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/neutron\/detection-neutrons\/thermal-neutrons-detection\/\">a detec\u00e7\u00e3o de n\u00eautrons t\u00e9rmicos<\/a>\u00a0.\u00a0A captura de rea\u00e7\u00f5es de n\u00eautrons ((n, gama)) pelo\u00a0<a href=\"https:\/\/www.nuclear-power.com\/glossary\/cadmium\/\">c\u00e1dmio<\/a>\u00a0produz raios gama que escurecem o filme, permitindo a avalia\u00e7\u00e3o da exposi\u00e7\u00e3o aos n\u00eautrons.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-arrow\" data-anchor=\"References\">\n<div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><\/div>\n<p>&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>Este artigo \u00e9 baseado na tradu\u00e7\u00e3o autom\u00e1tica do artigo original em ingl\u00eas. Para mais informa\u00e7\u00f5es, consulte o artigo em ingl\u00eas. Voc\u00ea pode nos ajudar. Se voc\u00ea deseja corrigir a tradu\u00e7\u00e3o, envie-a para: translations@nuclear-power.com ou preencha o formul\u00e1rio de tradu\u00e7\u00e3o on-line. Agradecemos sua ajuda, atualizaremos a tradu\u00e7\u00e3o o mais r\u00e1pido poss\u00edvel. Obrigado.<\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Princ\u00edpio de Opera\u00e7\u00e3o do Distintivo de Filme &#8211; Partes do Distintivo de Filme.\u00a0O crach\u00e1 consiste em duas partes: filme fotogr\u00e1fico e um suporte.\u00a0O filme est\u00e1 dentro de um crach\u00e1.\u00a0Dosimetria de Radia\u00e7\u00e3o Distintivo de filme.\u00a0Fonte: www.nde-ed.org Os crach\u00e1s de filme, dos\u00edmetros de crach\u00e1,\u00a0\u00a0s\u00e3o pequenos dispositivos port\u00e1teis para monitorar a dose cumulativa de radia\u00e7\u00e3o devido \u00e0\u00a0radia\u00e7\u00e3o ionizante\u00a0.\u00a0O &#8230; <a title=\"O que \u00e9 o princ\u00edpio de opera\u00e7\u00e3o do emblema de filme &#8211; Partes do emblema de filme &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-o-principio-de-operacao-do-emblema-de-filme-partes-do-emblema-de-filme-definicao\/\" aria-label=\"More on O que \u00e9 o princ\u00edpio de opera\u00e7\u00e3o do emblema de filme &#8211; Partes do emblema de filme &#8211; Defini\u00e7\u00e3o\">Ler mais<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[51],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>O que \u00e9 o princ\u00edpio de opera\u00e7\u00e3o do emblema de filme - Partes do emblema de filme - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Princ\u00edpio de Opera\u00e7\u00e3o do Distintivo de Filme - Partes do Distintivo de Filme. 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