土壤中铀系不平衡对地面伽马能谱测量的影响_stmopen 关键词】: 土壤,铀系,伽马能谱, [gap=556]Keywords】: soils uranium-series gamma-ray
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uranium series [核] 铀系
uranium series dating 铀系法测年 ; 铀系定年
uranium-series dating method 铀系法
uranium-series isotopes 铀系同位素
SampIe of Uranium-Series Method Dating 铀系年龄标准物质
uranium series age method 铀系法 ; 铀系年龄测定法
uranium series age 铀系年龄
N a radioactive series that starts with uranium-238 and proceeds by radioactive decay to lead-206 铀系 [physics]
According to the basic principle in uranium series disequilibrium, a calculating method for the mixing ratio of a three source recharge system of groundwater is raised.
在论述铀放射系不平衡原理的基础上,提出了地下水三元补给体系混合比的面积坐标算法。
Uranium series dating technique is the important means of Quaternary chronology.
铀系不平衡定年技术是第四纪年轻年代学的重要定年手段。
There are three naturally occurring radioactive series - the thorium series, the actinium series, and the uranium series.
有三个天然存在的放射系列,即钍系、锕系和铀系。
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