{"id":17446,"date":"2020-06-13T23:27:08","date_gmt":"2020-06-13T23:27:08","guid":{"rendered":"https:\/\/www.radiation-dosimetry.org\/o-que-e-dosimetro-termoluminescente-de-neutron-de-albedo-definicao\/"},"modified":"2020-07-20T11:36:37","modified_gmt":"2020-07-20T11:36:37","slug":"o-que-e-dosimetro-termoluminescente-de-neutron-de-albedo-definicao","status":"publish","type":"post","link":"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-dosimetro-termoluminescente-de-neutron-de-albedo-definicao\/","title":{"rendered":"O que \u00e9 dos\u00edmetro termoluminescente de n\u00eautron de Albedo &#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\">Dos\u00edmetro termoluminiscente de n\u00eautrons de Albedo.\u00a0A dosimetria de n\u00eautrons de Albedo \u00e9 baseada no efeito da modera\u00e7\u00e3o e retroespalhamento de n\u00eautrons pelo corpo humano.\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<p>Um\u00a0<strong>dos\u00edmetro termoluminescente<\/strong>\u00a0, abreviado como\u00a0<strong>TLD<\/strong>\u00a0, \u00e9 um\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/radiation-dosimetry\/radiation-dosimeter\/active-dosimeters-passive-dosimeters\/\">dos\u00edmetro de radia\u00e7\u00e3o passiva<\/a>\u00a0, que mede a exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o ionizante medindo a intensidade da luz vis\u00edvel emitida por um\u00a0<strong>cristal sens\u00edvel<\/strong>\u00a0no detector quando o cristal \u00e9\u00a0<strong>aquecido<\/strong>\u00a0.\u00a0A intensidade da luz emitida \u00e9 medida pelo\u00a0<strong>leitor de DPN<\/strong>\u00a0e depende da\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/radiation-protection\/radiation-exposure\/\">exposi\u00e7\u00e3o<\/a>\u00a0\u00e0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/radiation-protection\/radiation-exposure\/\">radia\u00e7\u00e3o<\/a>\u00a0.\u00a0<strong>Dos\u00edmetros termoluminescentes<\/strong>foi inventado em 1954 pelo professor Farrington Daniels da Universidade de Wisconsin-Madison.\u00a0Os dos\u00edmetros TLD 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 precisos de monitoramento de doses acumuladas s\u00e3o desejados para compara\u00e7\u00e3o com medi\u00e7\u00f5es em campo ou para avaliar o potencial de efeitos \u00e0 sa\u00fade a longo prazo.\u00a0Na dosimetria, os tipos de crach\u00e1 de fibra de quartzo e filme est\u00e3o sendo substitu\u00eddos por TLDs e EPDs (Electronic Personal Dosimeter).<\/p>\n<h2>Dos\u00edmetro termoluminiscente de n\u00eautrons de Albedo<\/h2>\n<p><strong>A dosimetria de n\u00eautrons de Albedo<\/strong>\u00a0\u00e9 baseada no efeito da modera\u00e7\u00e3o e retroespalhamento dos n\u00eautrons pelo corpo humano.\u00a0Albedo, a palavra latina para &#8220;brancura&#8221;, foi definida por Lambert como a fra\u00e7\u00e3o da luz incidente refletida difusamente por uma superf\u00edcie.\u00a0A modera\u00e7\u00e3o e a retroespalhamento dos n\u00eautrons pelo corpo humano cria um fluxo de n\u00eautrons na superf\u00edcie do corpo na faixa de energia t\u00e9rmica e intermedi\u00e1ria.\u00a0Esses n\u00eautrons retroespalhados, chamados n\u00eautrons\u00a0<strong>albedo<\/strong>\u00a0, podem ser detectados por um dos\u00edmetro (geralmente um\u00a0<strong>chip LiF TLD<\/strong>\u00a0), colocado no corpo, projetado para\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/neutron\/detection-neutrons\/thermal-neutrons-detection\/\">detectar n\u00eautrons t\u00e9rmicos<\/a>\u00a0.\u00a0<strong>Dos\u00edmetros de Albedo<\/strong>Verificou-se que s\u00e3o os \u00fanicos dos\u00edmetros que podem medir doses devido a n\u00eautrons em toda a gama de energias.\u00a0Geralmente, dois tipos de fluoreto de l\u00edtio s\u00e3o usados \u200b\u200bpara separar doses contribu\u00eddas por raios gama e n\u00eautrons.\u00a0Chip LiF enriquecido em l\u00edtio-6, que \u00e9 muito sens\u00edvel a n\u00eautrons t\u00e9rmicos e chip LiF contendo muito pouco de l\u00edtio-6, que tem uma resposta desprez\u00edvel a n\u00eautrons.<\/p>\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>Dos\u00edmetro termoluminiscente de n\u00eautrons de Albedo.\u00a0A dosimetria de n\u00eautrons de Albedo \u00e9 baseada no efeito da modera\u00e7\u00e3o e retroespalhamento de n\u00eautrons pelo corpo humano.\u00a0Dosimetria de Radia\u00e7\u00e3o Um\u00a0dos\u00edmetro termoluminescente\u00a0, abreviado como\u00a0TLD\u00a0, \u00e9 um\u00a0dos\u00edmetro de radia\u00e7\u00e3o passiva\u00a0, que mede a exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o ionizante medindo a intensidade da luz vis\u00edvel emitida por um\u00a0cristal sens\u00edvel\u00a0no detector quando o &#8230; <a title=\"O que \u00e9 dos\u00edmetro termoluminescente de n\u00eautron de Albedo &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-dosimetro-termoluminescente-de-neutron-de-albedo-definicao\/\" aria-label=\"More on O que \u00e9 dos\u00edmetro termoluminescente de n\u00eautron de Albedo &#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 dos\u00edmetro termoluminescente de n\u00eautron de Albedo - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Dos\u00edmetro termoluminiscente de n\u00eautrons de Albedo. 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