actinium
英 [ækˈtɪniəm] 美 [ækˈtɪniəm]
单词释义
双语例句
- 1 . Any of a series of chemically similar, radioactive elements with atomic numbers ranging from 89 ( actinium ) through 103 ( lawrencium ).
- 锕类任何化学性质相似, 原子序数在89 ( 锕 ) 与103 ( 铹 ) 之间变化的放射性元素.
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- 2 . The extraction mechanism and separation process of lanthanum and actinium were studied in HDEHP ( kerosene ) NO 3 system.
- 本文研究了在HNO_3体系中,P_ ( 204 ) 萃取La和 Ac的 机理及影响La, Ac萃 取分离因素,给出了La, Ac分配的数学摸型.
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