{"id":17541,"date":"2020-06-14T22:42:31","date_gmt":"2020-06-14T22:42:31","guid":{"rendered":"https:\/\/www.radiation-dosimetry.org\/o-que-e-um-detector-de-faixa-intermediaria-definicao\/"},"modified":"2020-07-21T10:52:02","modified_gmt":"2020-07-21T10:52:02","slug":"o-que-e-um-detector-de-faixa-intermediaria-definicao","status":"publish","type":"post","link":"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-um-detector-de-faixa-intermediaria-definicao\/","title":{"rendered":"O que \u00e9 um detector de faixa intermedi\u00e1ria &#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\">Os detectores de faixa intermedi\u00e1ria monitoram o fluxo de n\u00eautrons (pot\u00eancia do reator) no n\u00edvel de fluxo intermedi\u00e1rio.\u00a0Eles tamb\u00e9m fornecem indica\u00e7\u00e3o, alarmes e sinais de disparo do reator.\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><strong>Os detectores de faixa intermedi\u00e1ria<\/strong>\u00a0monitoram o\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/nuclear-engineering-fundamentals\/neutron-nuclear-reactions\/neutron-flux-neutron-intensity\/\">fluxo de n\u00eautrons<\/a>\u00a0(pot\u00eancia do reator) no n\u00edvel de fluxo intermedi\u00e1rio.\u00a0Eles tamb\u00e9m fornecem indica\u00e7\u00e3o, alarmes e\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/reactor-dynamics\/scram-reactor-trip\/\">sinais de disparo do reator<\/a>\u00a0.\u00a0Seu alcance \u00e9 da parte superior da fonte at\u00e9 a faixa de pot\u00eancia (abrange um per\u00edodo de oito d\u00e9cadas).\u00a0O design deste instrumento \u00e9 escolhido para fornecer\u00a0<strong>sobreposi\u00e7\u00e3o<\/strong>\u00a0entre os\u00a0canais da\u00a0<strong>faixa<\/strong>\u00a0da\u00a0<strong>fonte e a amplitude<\/strong>\u00a0parcial ou total dos\u00a0instrumentos da\u00a0<strong>faixa de pot\u00eancia<\/strong>\u00a0.\u00a0A instrumenta\u00e7\u00e3o de faixa intermedi\u00e1ria geralmente consiste em dois ou quatro canais, cada um com seu pr\u00f3prio detector separado, passagem de cabo e circuito eletr\u00f4nico.\u00a0Os detectores utilizados s\u00e3o geralmente \u00a0\u00a0<strong>revestidos com boro<\/strong>\u00a0ou<strong>c\u00e2maras de ioniza\u00e7\u00e3o compensada com g\u00e1s boro<\/strong>\u00a0ou\u00a0<strong>c\u00e2maras de fiss\u00e3o<\/strong>\u00a0.\u00a0Sua precis\u00e3o geralmente n\u00e3o atinge a precis\u00e3o da instrumenta\u00e7\u00e3o da faixa de pot\u00eancia operando em uma faixa muito mais estreita.<\/p>\n<p>A instrumenta\u00e7\u00e3o da faixa de fonte monitora e indica o n\u00edvel do fluxo de n\u00eautrons do n\u00facleo do reator e a taxa pela qual o fluxo de n\u00eautrons muda durante toda a fase de inicializa\u00e7\u00e3o do reator e opera\u00e7\u00e3o de energia.\u00a0O fluxo de n\u00eautrons \u00e9 indicado em porcentagem da pot\u00eancia nominal.\u00a0A taxa de varia\u00e7\u00e3o da popula\u00e7\u00e3o de n\u00eautrons \u00e9 indicada como\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/nuclear-fission-chain-reaction\/reactivity\/startup-rate-sur\/\">taxa de inicializa\u00e7\u00e3o<\/a>\u00a0(SUR), que \u00e9 definida como o n\u00famero de fatores de dez que a energia muda em um minuto.\u00a0Portanto, as unidades do\u00a0<strong>SUR<\/strong>\u00a0s\u00e3o pot\u00eancias de dez por minuto, ou\u00a0<strong>d\u00e9cadas por minuto<\/strong>\u00a0(\u00a0<strong>dpm<\/strong>\u00a0).\u00a0A alta taxa de inicializa\u00e7\u00e3o em qualquer canal pode iniciar uma a\u00e7\u00e3o de prote\u00e7\u00e3o.<\/p>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus su-spoiler-closed\">\n<div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><\/div>\n<\/div>\n<h2>Faixa Intermedi\u00e1ria &#8211; Seguran\u00e7a do Reator<\/h2>\n<p>Como foi escrito, o sistema de instrumenta\u00e7\u00e3o nuclear excore \u00e9 considerado um sistema relacionado \u00e0 seguran\u00e7a, porque fornece entradas para o\u00a0<strong>sistema de prote\u00e7\u00e3o<\/strong>\u00a0do\u00a0<strong>reator<\/strong>\u00a0.\u00a0O disparo do fluxo de n\u00eautrons de faixa intermedi\u00e1ria fornece a prote\u00e7\u00e3o principal contra um acidente de retirada de barra de banco RCCA n\u00e3o controlado de uma condi\u00e7\u00e3o subcr\u00edtica durante a inicializa\u00e7\u00e3o.\u00a0Esta fun\u00e7\u00e3o de disparo fornece prote\u00e7\u00e3o redundante ao fluxo de n\u00eautrons da faixa de pot\u00eancia &#8211; baixo ponto de ajuste.\u00a0Ele tamb\u00e9m fornece prote\u00e7\u00e3o redundante \u00e0 fun\u00e7\u00e3o de disparo da faixa de fonte para eventos de acidente de dilui\u00e7\u00e3o de boro e eje\u00e7\u00e3o da haste de controle.<\/p>\n<h3><span>C\u00e2maras de ioniza\u00e7\u00e3o compensadas<\/span><\/h3>\n<figure id=\"attachment_26713\" class=\"wp-caption alignright\" aria-describedby=\"caption-attachment-26713\"><a href=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/compensated-boron-chamber-circuitry.png\"><img loading=\"lazy\" class=\"size-medium wp-image-26713 lazy-loaded\" src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/compensated-boron-chamber-circuitry-300x226.png\" alt=\"c\u00e2mara de boro compensada\" width=\"300\" height=\"226\" data-lazy-type=\"image\" data-src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/compensated-boron-chamber-circuitry-300x226.png\" \/><\/a><figcaption id=\"caption-attachment-26713\" class=\"wp-caption-text\"><span>C\u00e2mara de Ioniza\u00e7\u00e3o Compensada Fonte: Departamento de Energia, Instrumenta\u00e7\u00e3o e Controle dos EUA.\u00a0DOE Fundamentals Handbook, Volume 2, de 2 de junho de 1992.<\/span><\/figcaption><\/figure>\n<p><span>A\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/radiation-detection\/gaseous-ionization-detector\/ionization-chamber-ion-chamber\/\"><strong><span>c\u00e2mara de ioniza\u00e7\u00e3o<\/span><\/strong><\/a><span>\u00a0, tamb\u00e9m conhecida como\u00a0<\/span><strong><span>c\u00e2mara de \u00edons<\/span><\/strong><span>\u00a0, \u00e9 um dispositivo el\u00e9trico que detecta v\u00e1rios tipos de\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radiation\/ionizing-radiation\/\"><span>radia\u00e7\u00e3o ionizante<\/span><\/a><span>\u00a0.\u00a0A tens\u00e3o do detector \u00e9 ajustada para que as condi\u00e7\u00f5es correspondam \u00e0\u00a0<\/span><strong><span>regi\u00e3o de ioniza\u00e7\u00e3o<\/span><\/strong><span>\u00a0.\u00a0A tens\u00e3o n\u00e3o \u00e9 alta o suficiente para produzir amplifica\u00e7\u00e3o de g\u00e1s (ioniza\u00e7\u00e3o secund\u00e1ria).\u00a0<\/span><strong><span>As c\u00e2maras de ioniza\u00e7\u00e3o<\/span><\/strong><span>\u00a0s\u00e3o preferidas\u00a0<\/span><strong><span>para altas taxas de dose de radia\u00e7\u00e3o,<\/span><\/strong><span>\u00a0porque n\u00e3o t\u00eam \u201ctempo morto\u201d, um fen\u00f4meno que afeta a precis\u00e3o do tubo Geiger-Mueller em altas taxas de dose.<\/span><\/p>\n<p><span>A\u00a0<\/span><strong><span>c\u00e2mara de \u00edons compensados<\/span><\/strong><span>\u00a0\u00e9 utilizada na faixa intermedi\u00e1ria porque a sa\u00edda de corrente \u00e9 proporcional ao fluxo de n\u00eautrons relativamente est\u00e1vel e compensa os sinais do fluxo gama.\u00a0A c\u00e2mara de \u00edons compensados \u200b\u200bconsiste em dois detectores em um caso.\u00a0A c\u00e2mara externa \u00e9 revestida por dentro com\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/glossary\/boron-10\/\"><span>boro-10<\/span><\/a><span>\u00a0, enquanto a c\u00e2mara interna n\u00e3o \u00e9 revestida.\u00a0A\u00a0<\/span><strong><span>c\u00e2mara revestida<\/span><\/strong><span>\u00a0\u00e9 sens\u00edvel aos raios gama e n\u00eautrons, enquanto a\u00a0<\/span><strong><span>c\u00e2mara n\u00e3o revestida<\/span><\/strong><span>\u00a0\u00e9 sens\u00edvel apenas aos raios gama.\u00a0Ao conectar as duas c\u00e2maras de maneira adequada, a sa\u00edda el\u00e9trica l\u00edquida do detector ser\u00e1 a corrente devido apenas aos n\u00eautrons.<\/span><\/p>\n<p><span>Para atingir a quantidade adequada de compensa\u00e7\u00e3o gama, as tens\u00f5es entre esses dois conjuntos de eletrodos devem ser balanceadas.\u00a0As consequ\u00eancias de operar com uma c\u00e2mara supercompensada ou subcompensada s\u00e3o importantes.\u00a0Se a voltagem na c\u00e2mara de compensa\u00e7\u00e3o for muito alta, o detector ser\u00e1\u00a0<\/span><strong><span>supercompensado<\/span><\/strong><span>\u00a0e alguma corrente de n\u00eautrons, assim como toda a corrente gama, ser\u00e1 bloqueada e a pot\u00eancia indicada ser\u00e1 menor que a pot\u00eancia do n\u00facleo real.\u00a0Se a tens\u00e3o de compensa\u00e7\u00e3o estiver muito baixa,\u00a0ocorrer\u00e1 uma\u00a0<\/span><strong><span>subcompensa\u00e7\u00e3o<\/span><\/strong><span>\u00a0.\u00a0Em alta pot\u00eancia, o fluxo gama \u00e9 relativamente pequeno comparado ao fluxo de n\u00eautrons, e os efeitos da compensa\u00e7\u00e3o inadequada podem n\u00e3o ser percebidos.\u00a0\u00c9 extremamente importante, no entanto, que a c\u00e2mara seja adequadamente compensada durante a inicializa\u00e7\u00e3o e desligamento do reator.<\/span><\/p>\n<p><span>Veja tamb\u00e9m: Departamento de Energia, Instrumenta\u00e7\u00e3o e Controle dos EUA.\u00a0DOE Fundamentals Handbook, Volume 2, de 2 de junho de 1992.<\/span><\/p>\n<h3><span>C\u00e2mara de fiss\u00e3o &#8211; detectores de ampla faixa<\/span><\/h3>\n<p><strong><a href=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/fission-chamber-detection-of-neutrons.png\"><img loading=\"lazy\" class=\"alignright size-medium wp-image-26714 lazy-loaded\" src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/fission-chamber-detection-of-neutrons-260x300.png\" alt=\"c\u00e2mara de fiss\u00e3o - detec\u00e7\u00e3o de n\u00eautrons\" width=\"260\" height=\"300\" data-lazy-type=\"image\" data-src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/fission-chamber-detection-of-neutrons-260x300.png\" \/><\/a><span>As c\u00e2maras de fiss\u00e3o<\/span><\/strong><span>\u00a0s\u00e3o detectores de ioniza\u00e7\u00e3o usados \u200b\u200bpara detectar n\u00eautrons.\u00a0As c\u00e2maras de fiss\u00e3o podem ser usadas como detectores de faixa intermedi\u00e1ria para monitorar o fluxo de n\u00eautrons (pot\u00eancia do reator) no n\u00edvel do fluxo intermedi\u00e1rio.\u00a0Eles tamb\u00e9m fornecem indica\u00e7\u00e3o, alarmes e sinais de disparo do reator.\u00a0O design deste instrumento \u00e9 escolhido para fornecer sobreposi\u00e7\u00e3o entre os canais da faixa da fonte e a amplitude total dos instrumentos da faixa de pot\u00eancia.<\/span><\/p>\n<p><span>Em geral, a\u00a0<\/span><strong><span>c\u00e2mara de ioniza\u00e7\u00e3o<\/span><\/strong><span>\u00a0, tamb\u00e9m conhecida como\u00a0<\/span><strong><span>c\u00e2mara de \u00edons<\/span><\/strong><span>\u00a0, \u00e9 um dispositivo el\u00e9trico que detecta v\u00e1rios tipos de\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radiation\/ionizing-radiation\/\"><span>radia\u00e7\u00e3o ionizante<\/span><\/a><span>\u00a0.\u00a0A tens\u00e3o do detector \u00e9 ajustada para que as condi\u00e7\u00f5es correspondam \u00e0\u00a0<\/span><strong><span>regi\u00e3o de ioniza\u00e7\u00e3o<\/span><\/strong><span>\u00a0.\u00a0A tens\u00e3o n\u00e3o \u00e9 alta o suficiente para produzir amplifica\u00e7\u00e3o de g\u00e1s (ioniza\u00e7\u00e3o secund\u00e1ria).\u00a0<\/span><strong><span>As c\u00e2maras de ioniza\u00e7\u00e3o<\/span><\/strong><span>\u00a0s\u00e3o preferidas\u00a0<\/span><strong><span>para altas taxas de dose de radia\u00e7\u00e3o<\/span><\/strong><span>\u00a0porque elas n\u00e3o t\u00eam &#8220;tempo morto&#8221;, um fen\u00f4meno que afeta a precis\u00e3o do\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/radiation-detection\/gaseous-ionization-detector\/geiger-counter-geiger-mueller-detector\/geiger-muller-tube-geiger-chamber\/\"><span>tubo Geiger-Mueller<\/span><\/a><span>em altas doses.\u00a0Al\u00e9m disso, na regi\u00e3o de ioniza\u00e7\u00e3o, um aumento na tens\u00e3o n\u00e3o causa um aumento substancial no n\u00famero de pares de \u00edons coletados.\u00a0O n\u00famero de pares de \u00edons coletados pelos eletrodos \u00e9 igual ao n\u00famero de pares de \u00edons produzidos pela radia\u00e7\u00e3o incidente e depende do tipo e energia das part\u00edculas ou raios na radia\u00e7\u00e3o incidente.<\/span><\/p>\n<p><span>No caso de\u00a0<\/span><strong><span>c\u00e2maras<\/span><\/strong><span>\u00a0de\u00a0<strong>fiss\u00e3o<\/strong>\u00a0, a c\u00e2mara \u00e9 revestida com uma fina camada de\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power-plant\/nuclear-fuel\/uranium\/uranium-235\/\"><span>ur\u00e2nio 235<\/span><\/a><span>\u00a0altamente enriquecido\u00a0para detectar n\u00eautrons.\u00a0Os n\u00eautrons\u00a0<\/span><strong><span>n\u00e3o ionizam diretamente<\/span><\/strong><span>\u00a0e geralmente precisam ser\u00a0<\/span><strong><span>convertidos<\/span><\/strong><span>\u00a0em part\u00edculas carregadas antes de serem detectadas.\u00a0Um\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/neutron\/thermal-neutron\/\"><span>n\u00eautron t\u00e9rmico<\/span><\/a><span>\u00a0causar\u00e1 a\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/fission\/\"><span>fiss\u00e3o de<\/span><\/a><span>\u00a0um \u00e1tomo de ur\u00e2nio-235\u00a0, com os dois\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/fission\/fission-fragments\/\"><span>fragmentos de fiss\u00e3o<\/span><\/a><span>\u00a0produzidos com uma alta\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/what-is-energy-physics\/what-is-kinetic-energy\/\"><span>energia cin\u00e9tica<\/span><\/a><span>e causando ioniza\u00e7\u00e3o do g\u00e1s arg\u00f4nio dentro do detector.\u00a0Uma vantagem do uso de revestimento de ur\u00e2nio-235 em vez do boro-10 \u00e9 que os fragmentos de fiss\u00e3o t\u00eam uma energia muito maior do que a part\u00edcula alfa de uma rea\u00e7\u00e3o de boro.\u00a0Al\u00e9m disso, os fragmentos de fiss\u00e3o resultantes da intera\u00e7\u00e3o dos n\u00eautrons com o revestimento causam uma quantidade significativamente maior de ioniza\u00e7\u00e3o dentro da c\u00e2mara de fiss\u00e3o do que a radia\u00e7\u00e3o gama incidente no detector.\u00a0Isso resulta nos pulsos de carga gerados por n\u00eautrons sendo significativamente maiores que os pulsos gama.\u00a0O circuito de discrimina\u00e7\u00e3o de tamanho de pulso pode ent\u00e3o ser usado para bloquear os pulsos gama indesejados.\u00a0Portanto, as\u00a0<\/span><strong><span>c\u00e2maras de fiss\u00e3o<\/span><\/strong><span>\u00a0s\u00e3o\u00a0<\/span><strong><span>muito sens\u00edveis<\/span><\/strong><span>\u00a0ao fluxo de n\u00eautrons e isso permite que as c\u00e2maras de fiss\u00e3o operem em\u00a0<\/span><strong><span>campos gama mais altos<\/span><\/strong><span>\u00a0do que uma c\u00e2mara de \u00edons n\u00e3o compensada com revestimento de boro.<\/span><\/p>\n<p><span>As c\u00e2maras de fiss\u00e3o s\u00e3o frequentemente usadas como dispositivos indicadores de corrente e dispositivos de pulso, dependendo do n\u00edvel do fluxo de n\u00eautrons.\u00a0No modo de pulso, as c\u00e2maras de fiss\u00e3o s\u00e3o especialmente \u00fateis, devido \u00e0 grande diferen\u00e7a de tamanho de pulso entre n\u00eautrons e raios gama.\u00a0Quando a pot\u00eancia \u00e9 alta na faixa intermedi\u00e1ria ou na faixa de pot\u00eancia (ou seja, em um n\u00edvel misto de alto n\u00edvel e fluxo de n\u00eautrons), as c\u00e2maras de fiss\u00e3o podem ser operadas no\u00a0<\/span><strong><span>modo Campbelling<\/span><\/strong><span>\u00a0(tamb\u00e9m conhecido como &#8220;modo de flutua\u00e7\u00e3o&#8221; ou &#8220;modo de tens\u00e3o quadrada m\u00e9dia&#8221;) fornecer medi\u00e7\u00f5es confi\u00e1veis \u200b\u200be precisas relacionadas a n\u00eautrons.\u00a0A t\u00e9cnica Campbelling elimina a contribui\u00e7\u00e3o gama.\u00a0Por causa do uso duplo da c\u00e2mara de fiss\u00e3o, ela \u00e9 frequentemente usada em canais de \u201campla gama\u201d em sistemas de instrumenta\u00e7\u00e3o nuclear.<\/span><\/p>\n<\/div>\n<\/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","protected":false},"excerpt":{"rendered":"<p>Os detectores de faixa intermedi\u00e1ria monitoram o fluxo de n\u00eautrons (pot\u00eancia do reator) no n\u00edvel de fluxo intermedi\u00e1rio.\u00a0Eles tamb\u00e9m fornecem indica\u00e7\u00e3o, alarmes e sinais de disparo do reator.\u00a0Dosimetria de Radia\u00e7\u00e3o Os detectores de faixa intermedi\u00e1ria\u00a0monitoram o\u00a0fluxo de n\u00eautrons\u00a0(pot\u00eancia do reator) no n\u00edvel de fluxo intermedi\u00e1rio.\u00a0Eles tamb\u00e9m fornecem indica\u00e7\u00e3o, alarmes e\u00a0sinais de disparo do reator\u00a0.\u00a0Seu alcance &#8230; <a title=\"O que \u00e9 um detector de faixa intermedi\u00e1ria &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-um-detector-de-faixa-intermediaria-definicao\/\" aria-label=\"More on O que \u00e9 um detector de faixa intermedi\u00e1ria &#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 um detector de faixa intermedi\u00e1ria - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Os detectores de faixa intermedi\u00e1ria monitoram o fluxo de n\u00eautrons (pot\u00eancia do reator) no n\u00edvel de fluxo intermedi\u00e1rio. Eles tamb\u00e9m fornecem indica\u00e7\u00e3o, alarmes e sinais de disparo do reator. Dosimetria de Radia\u00e7\u00e3o\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-um-detector-de-faixa-intermediaria-definicao\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"O que \u00e9 um detector de faixa intermedi\u00e1ria - Defini\u00e7\u00e3o\" \/>\n<meta property=\"og:description\" content=\"Os detectores de faixa intermedi\u00e1ria monitoram o fluxo de n\u00eautrons (pot\u00eancia do reator) no n\u00edvel de fluxo intermedi\u00e1rio. Eles tamb\u00e9m fornecem indica\u00e7\u00e3o, alarmes e sinais de disparo do reator. 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