“radioactinium”的概念、定义、翻译、参考文献-科学参考

单词	radioactinium
释义	radioactinium [¦rād·ē·ō·ak`tin·ē·ǝm] ^{NUCLEAR PHYSICS} Conventional name for the isotope of thorium which has mass number 227 and is in the actinium series. Symbolized RdAc.
随便看	organosulfur compound organotropic organs of Zuckerkandl organza organzine orgasm orgasmolepsy OR gate Oribatei Oribatulidae orient orientability of sound signal orientable surface oriental alabaster oriental amethyst oriental jasper oriental linaloe oriental topaz Oriental zoogeographic region orientation orientation diagram orientation effect orientation force orientation polarization orientation vector

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