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铀系中各元素的γ辐射强度的比值问题,对普查勘探放射性测量工作具有很大的实际意义(特别是在铀矿石中放射性平衡破坏的情况下)。许多研究者在理论分析方面[1、5]和实验方面[2、7]曾对这个问题进行了研究。由于理论计算的基础还没有足够的经过检验的数据(例如铀族不同同位素的衰变图、各个谱线的γ辐射强度值、不同能级的内转变系数等),因而尚不能保证足够的准确度,必须对此种理论计算进行实验的检查。铀系放射性元素表[6]和铀族γ辐射能谱成分的数据(见表1,表2)[5]
The ratio of the γ radiation intensity of each element in uranium series is of great practical significance to the census radiological survey of exploration (especially in the case of the destruction of radioactive balance in uranium ores). Many researchers have studied this issue in theoretical analysis [1,5] and in experimental aspects [2,7]. Due to the fact that the theoretical calculation is not based on sufficient data (for example, decay maps of different isotopes of uranium isotopes, gamma radiation intensity values of various lines, internal transition coefficients at different energy levels, etc.), sufficient accuracy can not be guaranteed yet , This kind of theoretical calculation must be checked experimentally. Uranium series of radioactive elements table [6] and uranium gamma radiation spectral composition data (see Table 1, Table 2) [5]