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用屏栅电离室法和小立体角法测量了高纯度U3O8样品中的2 38U核素数目。两种方法的探测效率虽相差近 50 0倍 ,但得到的结果在实验误差范围内符合得很好。
The number of 2 38 U nuclides in high purity U3O8 samples was measured by the screen-ionization chamber method and the small solid angle method. Although the detection efficiencies of the two methods differ by nearly 50 times, the obtained results are in good agreement with the experimental error.