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单词 uranium 235
释义

WordReference Random House Unabridged Dictionary of American English © 2024
uranium 235, [Chem.]
  1. Chemistrythe 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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