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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
infinitely divisible
infinitely divisible distribution
infinitely divisible element
infinitely divisible law
infinitely divisible measure
infinitely divisible variate
infinitely great
infinitely large function
infinitely many
infinitely multiple
infinitely near point
infinitely recurrent
infinitely recurrent measurable transformation
infinitely renormalizable unimodal mapping
infinitely small
infinitely small analysis
infinitely small function
infinitely small magnitude
infinitely smooth mapping
infinite mark
infinite matrix
infinite measure
infinite model
infinite momentum frame
infinite network
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