英语词汇actinium的意思翻译、用法及例句-英汉词典-京师网

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词汇	actinium
释义	actinium noun [ U ] uk/ækˈtɪn.i.əm/ us/ækˈtɪn.i.əm/ (symbol Ac)锕 a chemical element that is a soft, silver-white metal and is radioactive Researchers are testing the actinium. 研究者正在测试锕。更多例句 Thorium decays into a radium isotope, and then into actinium, which has a 10-day half-life. Projected future needs for actinium and bismuth are high. Various alternative processes have been proposed for making actinium.
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