“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	All Souls' Day All Spring Pavilion in Jing Mountain all system group all-terrain crane all-terrain forest fire patrol vehicle All the Beauties of the World all the four elements (earth, water, fire and air of which the world is made) are void All The King's Men All the King's Men All the President's Men All the Pretty Horses All the World's Memory all things become subtlety all-to-all communication allusionism allusion word alluvial deposit alluvial fan alluvial fan coal-accumulating environment alluvial fan coal-accumulating model alluvial fan facies Alluvial fossils alluvial island alluvial plain alluvial soil mass

　

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