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用Ge（Li）γ谱仪测定海底沉积物中¹³⁷Cs、⁴⁰K、U、Ra、Th的方法研究

MEASUREMENT OF ¹³⁷Cs, ⁴⁰K, U, Ra, Th IN SEDIMENT WITH Ge（Li） γ-SPECTROMETRE

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【Author】 Liu Zhihe and Zhao Shuqian (Medical Academy of Shandong Province)

【摘要】 <正> 对¹³⁷Cs、⁴⁰U、Ra、Th等放射性元素,过去一般采用放化分析方法。要对每种核素进行单个的分离、测定,操作比较麻烦、费时。对于海底沉积物来说,还有个浸取是否完全的问题,困难更大些。更多还原

【Abstract】 The determination of 137Cs, 40K, U, Ra and Th in the sediment of sea-floor with Ge-(Li) γ-spectrometre was carried out. The analytical results of γ-spectra of 137Cs, U, Raand Th essentially coincide with those by radiochemical analysis. This method was shown to be simple, time-saving and reliable.更多还原