以下为句子列表:
英文: Any of two or more kinds of atoms having the same atomic mass but different atomic numbers.
中文: 同量异位素两种或各多种有相同原子质量但却有不同的原子序数的原子中的任一种
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英文: For example, measured with respect to the amount of xenon 132 present, the depletion of xenon 136 (being four atomicmass units heavier) would have been twice that of xenon 134 (two atomic mass units heavier) if physical sorting had operated.
中文: 例如,如果物理分离过程确实发生,相对于氙132的含量,氙136的短少量(重量多了四个原子质量单位)会是氙134短少量(重量多两个原子质量单位)的两倍。
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英文: Since 1998 Archimedes Technology Group in San Diego has been developing a filtering method that works via atomic mass rather than chemical properties.
中文: 自1998年以来,位于加州圣地牙哥的阿基米德技术公司已经发展了一个过滤法,利用的是原子量而不是化学性质。
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