radon
音标与读法
这里为大家介绍下radon 是什么意思,希望能帮助到各位朋友。
音标:[ "reidɔn ]中英文翻译
n.
【化学】氡〔由镭裂变后生成的放射性元素,旧名 radium emanation 〕。 radon daughters氡放射性衰变产物〔香烟烟尘中的一种放射性微粒,对被动吸烟者的健康有害〕。
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
同义词:Rn, atomic number 86,
Radon is a chemical element with symbol?Rn and atomic number?86. It is a radioactive, colorless, odorless, tasteless noble gas, occurring naturally as an indirect decay product of uranium or thorium.
例句与用法
1.The daughter nuclides of radon and thoron tend to become attached .
氡和钍射气的子体易被气溶胶吸附。
2.The radioactive dust will contribute to higher levels of uranium and radon .
放射性尘埃会形成铀和氡的高值。
3.Radon concentration in ground water was measured at 18 points including two continuous recording stations .
测量了包括两个连续记录台站在内共18个点的地下水的氡浓度。
4.In addition, reference is made to the novel techniques of the determination of radon and its daughter products in the atmosphere .
此外,还介绍了一些新方法,例如测量大气中的氡及其衰变产物。
5.Standards for controlling radon concentration in dwellings
住房内氡浓度控制标准
6.Radon - nikodym property and girth of orlicz - sobolev spaces
序列空间的一致凸点
7.Study on the temporal change of radon concentration
空气中氡浓度时间变化规律探讨
8.Three - pass 3 - d pre - stack migration by radon projection
三步法三维叠前拉东投影偏移
9.Building materials used to prevent radon and radiation
防辐射建筑材料研究进展
10.High buildings , construction material and its radon pollution
建筑材料与室内氡污染
单词网DAnCi.583316.cOm