“放射性标准”的概念、定义、翻译、参考文献-科学参考

单词	放射性标准
释义	放射性标准 Encyclopedia 理学原子核释 radioactive standard放射性标准经过精确测定、比对、公认的，可作为放射性活度计量标准的放射性物质或制品。放射性标准以单位时间内发生的核衰变数来计量，单位为贝可（Bq）。 Chemistry ＞放射化学与辐射化学＞基础放射化学＞释义 radioactive standard放射性标准
随便看	Short Comment on the Preface to the Orchid Pavilion in Ji Ziwei's Collection Short Comments by Zhang Zhao Short Comments Written by Chen Yixi Short Comments Written by He Chao short cone hydrocyclone short connecting beam short count Short crater shortcut shortcut division short cut fiber shortcut key shortcut method shortcut test short day plant short-day plant short distance assisted walking race of Summer Special Olympics short distance scale short-distance transport short division short dominant feeding technology short duration burst shorted fault shorted operator shortened cycloid

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