radon meaning in English
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〕。
Examples
- 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。 - 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。 - 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。 - 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。 - Standards for controlling radon concentration in dwellings
住房内氡浓度控制标准