“actinium”的概念、定义、翻译、参考文献-科学参考

单词	actinium
释义	actinium Encyclopedia 理学放射性元素释 actinium锕天然放射性元素，元素符号Ac，原子序数89，半衰期最长的同位素的质量数227。属周期系ⅢB族，锕系元素。其英文名称源自古希腊语中的ακτίς、ακτίνος（aktis、aktinos），意为光线。 Astronomy actinium缩写：Ac。锕 Chemistry ＞放射化学与辐射化学＞放射性元素化学＞释义 actinium锕
随便看	the guidelines of china's national geoparks the Guide of the Perplexted The Guwei School's Ideas on The Book of Songs The Gypsies The Hague Convention 1970 the Hague convention of private international law the Haidai Poets’Club The Haijin Scholars Society for Imperial Examination the hair cut and the body tatooed The Hairdresser of Harare The Hairy Ape the Haiyue Poets’Club The Hakone Open-Air Museum The Half Car of Straw The Half Garden of Lu’s family the Half Garden of Shi's Family the half-life determination of radiopharmaceuticals The Half of Basketful Peanuts The Halifax Gazette the hammer The Handan Dream The Handbook of Public Relations The Han Garden Collection The Hanger-On the Hangzhou Esteemed Elders Group

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