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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
differential signal driver
differential signaling
differential space
differential specialization
differential species
differential spectrophotometry
differential spectrum
differential stability
differential stability analysis
differential star catalogue
differential stress
differential structure
differential subfield
differential subordination
differential subring
differential subsheaf
differential substitution
differential system
differential theorem
differential thermal analysis
differential thermal analysis and thermal gravimetric analysis
differential thermal analysis (DTA)
differential thermal analysis, DTA
differential thermal resistance law
differential threshold
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更新时间：2025/7/2 12:00:24