radon中文什么意思

[ 'reidɔn ]发音:   用"radon"造句
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〕。
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例句与用法

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  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

英文释义

名词
  1. 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

百科释义

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.
详细百科解释

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