[肺部吸入发射α粒子核素的放射生物学效应。放射性物质的微观分布及辐射防护问题]
[Radiobiological effect of alpha-emitting nuclides incorporated in the lungs. Microdistribution of radioactive material and the problem of radiation protection].
作者信息
Kut'kov V A, Ivanov V I
出版信息
Radiobiologiia. 1986 Sep-Oct;26(5):642-6.
PMID:3774974
Abstract
A mathematical model has been developed for the microdistribution of the inhaled radioactive aerosol which is retained within the alveolar-pulmonary region. It is shown that the biological effect of the inhaled alpha-emitting aerosols on the lung tissue is not a uniquely defined function of a mean absorbed dose: its value depends on a number of factors responsible for the microdistribution of the radioactive substance within the alveolar region.
摘要
已针对保留在肺泡 - 肺区域内的吸入放射性气溶胶的微观分布建立了一个数学模型。结果表明，吸入的发射α粒子的气溶胶对肺组织的生物学效应并非平均吸收剂量的唯一确定函数：其值取决于许多负责放射性物质在肺泡区域内微观分布的因素。
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