inverse Radon transfrom.
反拉冬变换
Radon is a kind of inert gas.
氡是一种惰性气体。
mechanism of radon migration.
氡运移机理
Radon comes from radium decay.
氡来自镭得衰变。
radon effect seismic predictor
氡效应地震预报装置
Radon is the daughter of radium.
氡是镭得子体。
Radon is radioactive and hazardous.
氡有放射性，是有害物质。
The radon exhalation rate apparatus.
氡析出率仪
How does radon affect the human body.
氡气对人体有什么影响
Mapping of Geological Potential Radon
氡地质潜势图编图方法
Where does the indoor radon come from.
室内氡气是从哪里而来
Radon precursory fields in groundwater.
水氡前兆场
Outdoor radon levels are usually very low.
室外的氡水平通常很低。
the radon levels of the water build up too.
水里氡的含量也就增长。
installing a radon sump system in the basement
在地下室安装氡蓄贮系统
A radon progeny continuous monitor was developed.
本工作研制氡子体连续测量仪。
There are also 100 Radon dragon to help them guard.
还有100氡舞龙, 帮助他们警惕。
The radon level in the basement was impermissibly high.
地下室的氡含量超标。
There is an acknowledged risk of lung cancer from radon.
氡被认为有诱发肺癌的危险。
Radon and Decay Productsis There a Risk Outside the Lung.
氡及其子体对肺以外的组织器官是否有危险
If ventilation is poor, radon will accumulate in indoor areas.
如室内空气不流通, 散发出来的氡气会积聚在室内。
Application of Radioactive Radon Gas Detecting of Goaf Roadway
氡射气探测采空巷道的应用
when rocks layers shift, exposing new rock, and thus more radon.
新岩石露出时，就会产生更多更好的氡。
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