{"id":17846,"date":"2020-06-22T13:15:21","date_gmt":"2020-06-22T13:15:21","guid":{"rendered":"https:\/\/www.radiation-dosimetry.org\/o-que-e-precipitacao-nuclear-doses-de-radiacao-definicao\/"},"modified":"2020-07-22T10:26:20","modified_gmt":"2020-07-22T10:26:20","slug":"o-que-e-precipitacao-nuclear-doses-de-radiacao-definicao","status":"publish","type":"post","link":"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-precipitacao-nuclear-doses-de-radiacao-definicao\/","title":{"rendered":"O que \u00e9 precipita\u00e7\u00e3o nuclear – Doses de radia\u00e7\u00e3o – Defini\u00e7\u00e3o"},"content":{"rendered":"
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Doses equivalentes de precipita\u00e7\u00e3o global ca\u00edram de cerca de 130 \u03bcSv \/ ano em 1963 para cerca de 10 \u03bcSv \/ ano nos \u00faltimos anos.\u00a0Precipita\u00e7\u00e3o nuclear – doses de radia\u00e7\u00e3o<\/div>\n<\/div>\n
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\"Fontes<\/a><\/strong><\/p>\n

Em geral,\u00a0a precipita\u00e7\u00e3o nuclear<\/strong>\u00a0\u00e9 o material radioativo residual de uma explos\u00e3o nuclear que “cai” do c\u00e9u ap\u00f3s uma explos\u00e3o atmosf\u00e9rica. \u00a0Fallout<\/strong>\u00a0tamb\u00e9m pode se referir a acidentes com reatores nucleares, embora um reator nuclear n\u00e3o exploda como uma arma nuclear.\u00a0A assinatura isot\u00f3pica de precipita\u00e7\u00e3o da explos\u00e3o nuclear \u00e9 muito diferente da precipita\u00e7\u00e3o de um grave acidente com um reator de pot\u00eancia.<\/p>\n

No caso de doses de radia\u00e7\u00e3o resultantes de precipita\u00e7\u00e3o, consideramos o material radioativo residual de testes nucleares (n\u00e3o de acidentes com reatores) que foram realizados particularmente nos dois per\u00edodos de 1954 a 1958 e 1961 a 1962. Segundo o UNSCEAR, cerca de 502 testes atmosf\u00e9ricos , com um rendimento total de fiss\u00e3o e fus\u00e3o de 440 Mt, foram realizados.<\/p>\n

Refer\u00eancia especial: Fontes e efeitos da radia\u00e7\u00e3o ionizante, Anexo B. UNSCEAR.\u00a0Nova York, 2010. ISBN: 978-92-1-142274-0.<\/p>\n

A precipita\u00e7\u00e3o<\/strong>\u00a0de testes nucleares consiste em\u00a0fragmentos<\/a>\u00a0de\u00a0fiss\u00e3o<\/a>\u00a0e produtos de ativa\u00e7\u00e3o de n\u00eautrons.\u00a0Quando ocorre uma explos\u00e3o no solo ou na atmosfera pr\u00f3xima ao solo, grandes quantidades de produtos de ativa\u00e7\u00e3o tamb\u00e9m s\u00e3o formados a partir de materiais de superf\u00edcie.\u00a0A precipita\u00e7\u00e3o \u00e9 particularmente significativa na vizinhan\u00e7a do local do teste, pois as part\u00edculas maiores e a maioria dos detritos caem no ch\u00e3o (\u00a0precipita\u00e7\u00e3o local<\/strong>\u00a0).\u00a0Mas part\u00edculas menores podem permanecer no ar na atmosfera superior por anos.\u00a0Portanto, essas part\u00edculas podem ser distribu\u00eddas quase uniformemente em todo o mundo e contribuem para as chamadas\u00a0consequ\u00eancias globais<\/strong>\u00a0.\u00a0Doses equivalentes<\/a>\u00a0de\u00a0precipita\u00e7\u00e3o global<\/strong>\u00a0ca\u00edram de cerca de 130 \u03bcSv \/ ano em 1963 para cerca de10 \u03bcSv \/ ano<\/strong>\u00a0nos \u00faltimos anos.<\/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":"

Doses equivalentes de precipita\u00e7\u00e3o global ca\u00edram de cerca de 130 \u03bcSv \/ ano em 1963 para cerca de 10 \u03bcSv \/ ano nos \u00faltimos anos.\u00a0Precipita\u00e7\u00e3o nuclear – doses de radia\u00e7\u00e3o Em geral,\u00a0a precipita\u00e7\u00e3o nuclear\u00a0\u00e9 o material radioativo residual de uma explos\u00e3o nuclear que “cai” do c\u00e9u ap\u00f3s uma explos\u00e3o atmosf\u00e9rica. \u00a0Fallout\u00a0tamb\u00e9m pode se referir a … 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 precipita\u00e7\u00e3o nuclear - Doses de radia\u00e7\u00e3o - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Doses equivalentes de precipita\u00e7\u00e3o global ca\u00edram de cerca de 130 \u03bcSv \/ ano em 1963 para cerca de 10 \u03bcSv \/ ano nos \u00faltimos anos. 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