N. B. Singh, H. S. Singh, A. R. Devi, B. A. Sharma, Th. Basanta Singh
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引用次数: 0
摘要
:天然放射性是人类持续受到辐射的一个来源。它来源于地外辐射源和地壳中的放射性元素。土壤中的放射性含量差异很大。土壤中的主要放射性核素污染物主要来自 238 U 和 232 Th 衰变系列以及 40 K。土壤样本的放射性浓度通常通过高分辨率伽马射线光谱仪来测量。对土壤和建筑材料中的天然放射性进行了多项研究，并报告了各种观察结果。本文对土壤中的放射性研究进行了综述。
: Natural radioactivity is a source of continuous exposure to human beings. It originates from both extraterrestrial sources and radioactive elements in the earth’s crust. The amount of radioactivity in soil varies widely. The main radionuclides contaminant in soil are mainly from 238 U and 232 Th decay series and 40 K . Activity concentrations of soil samples are normally measured by means of high-resolution gamma-ray spectrometry. Several studies on natural radioactivity in soil as well as building materials has been done and various observations were reported. In this article, a review on studies of radioactivity in soil was carried out
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