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radon ['reidɔn] 名词
一般	Radon n
化学	Emanation f; Radiumemanation f
医疗的	Radiumemanation Radon
核辐射	Radon n (a chemical element); Emanation f (a chemical element); Em f (a chemical element); Niton n (a chemical element); Nt m (a chemical element); Radon-222; Radium-Emanation f; ²²²Rn
radon A radioactive gaseous element emitted naturally from rocks and minerals where radioactive elements are present. It is released in non-coal mines, e.g. tin, iron, fluorspar, uranium. Radon is an alpha particle emitter as are its decay products and has been indicted as a cause of excessive occurrence of lung cancer in uranium miners. Concern has been expressed at radon levels in some housing usually adjacent to granite rocks or old tin mining regions ['reidɔn] 名词
环境	Radon n
英语 词库
Radon ['reɪdɒn, -dɑːn] 缩写
缩写, 苏格兰语	Rn
RADON ['reidɔn] 名词
军队	radar beacon

radon : 36 短语, 16 学科

一般	2
农业	1
卫生保健	1
地球科学	2
建造	1
技术	3
数学	1
核物理	6
核辐射	4
测量仪器	4
物理	4
环境	1
生命科学	1
电子产品	1
科学的	2
造影	2