“astatine”的概念、定义、翻译、参考文献-科学参考

单词	astatine
释义	astatine Encyclopedia 理学放射性元素释 astatine砹人工放射性元素，元素符号At，原子序数85，半衰期最长的同位素的质量数210，属周期系ⅦA族，卤族元素。英文名称来源于希腊文astatos（不稳定）。 Physics astatine砹₈₅At｛化｝ Astronomy astatine缩写：At。砹 Chemistry ＞放射化学与辐射化学＞放射性元素化学＞释义 astatine砹＞放射化学与辐射化学＞放射性元素化学＞释义 astatine砈
随便看	sea island cotton sea-island fiber sea islands management in China sea islands structure sea-keeping abilities of fishing vessel Seal seal sea-land breeze sealant sea-launched launch vehicle Seal Carving of Cha Meng Xuan seal coat Seal Cutting Seal cutting art dictionary sealed auction sealed confidential military documents sealed fence sealed imperial decrees sent by the Grand Council of State sealed motor sealed radioactive source sealed sampling sealed source sea level sea level change sea level change/eustasy

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