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radon是什么意思、radon在线中文翻译
radon是什么意思 radon在线中文翻译
radon
英 [ˈreɪdɒn]
美 [ˈreɪdɑ:n]
radon 词典解释
名词
<化>氡(元素符号Rn)
radon 网络解释
拉东
...而且引入了可数可加集合函数的概念(定义于勒贝格可测集类上),指出这些函数是定义在集合类上的有界变差函数.正是因为对于有界变差与可加性概念之间联系的考察,使得J.拉东(
Radon
)作出了更广的积分定义,...
氡气
...一个联合国委员会说,有越来越多的证据显示,现代民居住房内普遍存在的放射性气体氡气(
Radon
)有导致肺癌的危险....
镭射气,氡
...helium 氦 |
radon
镭射气,氡 | graphite 石墨...
radon 英英释义
noun
a radioactive gaseous element formed by the disintegration of radium
the heaviest of the inert gasses
occurs naturally (especially in areas over granite) and is considered a hazard to health
Synonym:
Rn
atomic number 86
radon
[ˈreɪdɒn]
中文翻译
1
n. [化学] 氡(元素符号Rn)
2
n. (Radon)人名;(法、塞)拉东
英语释义
1
n. a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health
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