“radon”的概念、定义、翻译、参考文献-科学参考

单词	radon
释义	radon Encyclopedia 医学天然放射性释 radon氡原子序数为86的天然放射性元素。其元素符号为Rn，通常的单质形态是气体，无色无味，化学性质稳定。理学放射性元素释 radon氡天然放射性元素，元素符号Rn，原子序数86，半衰期最长的同位素的质量数222，属周期系0族，为稀有气体。有时又称为射气。 Physics radon氡86Rn｛化｝ Astronomy radon缩写：Rn。氡 Chemistry ＞放射化学与辐射化学＞放射性元素化学＞释义 radon氡
随便看	production process in ecosystem production process inspection production process of hard-cover binding single machines production process of light olefins production process of vinyl chloride by calcium carbide method production process of vinyl chloride by ethylene method production process quality control production procurement production profile logging production progress meeting production purpose of socialism production rate production rate of furnaces in metallurgical industry production rate of local entropy density production reactor production riser production rule Production safety accident emergency rescue system production safety accident investigation and listing supervision system production safety accident reporting and investigation of treatment system production safety and health administrative litigation production safety and health legal system production safety technology of petroleum logging production scheduling production scheduling and sequencing

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