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tian ran you nei zhao she xian zhi de hui gu
Author(s): 
Pages: 170-172+234
Year: Issue:  3
Journal: Radiation Protection

Keyword:  天然铀内照射吸入量化学毒性辐射危害可溶性ICRP不溶性肾损伤微居;
Abstract: <正> 关于铀的摄入量限值及(MPC)a,过去有不少作者及机构提出了各种不同建议,现择要介绍于下(年代较早的从略)。1.ICRP(1954)的建议天然铀,可溶或不溶,(MPC)a=3×10-11微居/厘米3(=90微克/米3),适用于168小时/周。这里用的是 ICRP 定义的“特殊居里”,1微居天然铀=3克。上述(MPC)a是根据不溶性铀对肺的辐射危害计算的,但被认为对化学毒性也足以提供防护。
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