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单词 uranium 235
释义 uranium 235
 Chem.
 the radioactive uranium isotope having a mass number of 235, comprising 0.715 percent of natural uranium. When bombarded with neutrons it undergoes fission with the release of energy. Also called U-235, U 235, actinouranium.
 [1935-40]
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更新时间:2024/11/10 17:58:44