{"id":18036,"date":"2020-06-25T04:13:10","date_gmt":"2020-06-25T04:13:10","guid":{"rendered":"https:\/\/www.radiation-dosimetry.org\/o-que-e-taxa-de-exposicao-a-radiacao-definicao\/"},"modified":"2020-07-23T10:02:13","modified_gmt":"2020-07-23T10:02:13","slug":"o-que-e-taxa-de-exposicao-a-radiacao-definicao","status":"publish","type":"post","link":"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-taxa-de-exposicao-a-radiacao-definicao\/","title":{"rendered":"O que \u00e9 taxa de exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o – Defini\u00e7\u00e3o"},"content":{"rendered":"
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A taxa de exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o \u00e9 a taxa na qual uma exposi\u00e7\u00e3o \u00e9 recebida.\u00a0\u00c9 uma medida da intensidade (ou for\u00e7a) da exposi\u00e7\u00e3o.\u00a0\u00c9 medido em mR \/ s ou R \/ h.\u00a0Dosimetria de Radia\u00e7\u00e3o<\/div>\n<\/div>\n
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A exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o<\/strong>\u00a0\u00e9 uma medida da ioniza\u00e7\u00e3o do\u00a0ar<\/strong>\u00a0devido \u00e0 radia\u00e7\u00e3o ionizante dos\u00a0f\u00f3tons<\/strong>\u00a0de\u00a0alta energia<\/strong>\u00a0(raios X e raios gama).\u00a0A exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o<\/strong>\u00a0\u00e9 definida como a\u00a0soma das cargas el\u00e9tricas<\/strong>\u00a0(\u2206q) em todos os \u00edons de um sinal produzido\u00a0no ar<\/strong>\u00a0quando todos os el\u00e9trons, liberados pelos f\u00f3tons em um volume de ar cuja massa \u00e9 \u2206m, s\u00e3o completamente parados no ar.<\/p>\n

\"exposi\u00e7\u00e3o<\/a><\/p>\n

A exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o<\/strong>\u00a0\u00e9 dado o s\u00edmbolo\u00a0X<\/strong>\u00a0.\u00a0A unidade SI de exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o \u00e9 o coulomb por quilograma (C \/ kg), mas, na pr\u00e1tica, o\u00a0roentgen<\/strong>\u00a0\u00e9 usado.<\/p>\n

Taxa de exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o<\/h2>\n

A\u00a0taxa de exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o<\/strong>\u00a0\u00e9 a taxa na qual uma exposi\u00e7\u00e3o \u00e9 recebida.\u00a0\u00c9 uma medida da intensidade (ou for\u00e7a) da exposi\u00e7\u00e3o.\u00a0A taxa de exposi\u00e7\u00e3o \u00e9, portanto, definida como:<\/p>\n

\"taxa<\/a><\/p>\n

Em unidades convencionais, \u00e9 medido em\u00a0mR \/ s<\/strong>\u00a0ou\u00a0R \/ h<\/strong>\u00a0.\u00a0Como a quantidade de exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o depende diretamente (linearmente)\u00a0do tempo que as<\/strong>\u00a0pessoas passam perto da fonte de radia\u00e7\u00e3o, a exposi\u00e7\u00e3o \u00e9 igual \u00e0 for\u00e7a do campo de radia\u00e7\u00e3o (taxa de exposi\u00e7\u00e3o) multiplicada pelo tempo gasto nesse campo.\u00a0Deve-se enfatizar que esse conceito se aplica apenas aos raios X ou \u03b3 no ar em um ponto fora do corpo.\u00a0A exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o n\u00e3o \u00e9 aplic\u00e1vel para descrever n\u00eautrons, part\u00edculas carregadas ou todas as intera\u00e7\u00f5es que ocorrem dentro de um corpo.<\/p>\n<\/div>\n<\/div>\n

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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":"

A taxa de exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o \u00e9 a taxa na qual uma exposi\u00e7\u00e3o \u00e9 recebida.\u00a0\u00c9 uma medida da intensidade (ou for\u00e7a) da exposi\u00e7\u00e3o.\u00a0\u00c9 medido em mR \/ s ou R \/ h.\u00a0Dosimetria de Radia\u00e7\u00e3o A exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o\u00a0\u00e9 uma medida da ioniza\u00e7\u00e3o do\u00a0ar\u00a0devido \u00e0 radia\u00e7\u00e3o ionizante dos\u00a0f\u00f3tons\u00a0de\u00a0alta energia\u00a0(raios X e raios gama).\u00a0A exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o\u00a0\u00e9 … 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":"\nO que \u00e9 taxa de exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"A taxa de exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o \u00e9 a taxa na qual uma exposi\u00e7\u00e3o \u00e9 recebida. \u00c9 uma medida da intensidade (ou for\u00e7a) da exposi\u00e7\u00e3o. \u00c9 medido em mR \/ s ou R \/ h. 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