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文章介绍用α能谱法测定Pu材料中(241)Am/Puα活度比的原理、方法及结果。该测定结果与用NaI(TI)γ能谱法测定的结果相一致。
The paper introduces the principle, method and result of measuring α (241) Am / Puα activity ratio in Pu by α spectrum method. The results are in agreement with the results of the NaI (TI) gamma spectrometry.