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

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