neptunium series中文，neptunium series的意思，neptunium series翻译及用法

2026-03-21 21:58 浏览次数 16

neptunium series

英[nepˈtju:niəm ˈsiəri:z]美[nɛpˈtuniəm ˈsɪriz]

1.

Na radioactive series that starts with plutonium-241 and ends with bismuth-209. Neptunium-237 is the longest-lived member of the series. The series does not occur in nature 镎族

neptunium series 英语释义

英语释义

    1. a radioactive series that does not now occur in nature and that begins with plutonium of mass number 241 and continues to americium, to the longest-lived member of the series neptunium of mass number 237, and eventually to the stable end product bismuth

neptunium series 例句

英汉例句

  • neptunium series

    【化】镎系(列)

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