Radon is a kind of inert gas.
氡是一种惰性气体。
Application of Radioactive Radon Gas Detecting of Goaf Roadway
氡射气探测采空巷道的应用
When radon gas emitted as springs, very quickly, a phenomenon opal.
当氡气随泉水喷出，速度很快，便出现乳白现象。
and the lack of a radon gas abnormal mode for typical metal deposits.
尚未建立典型金属矿床氡气异常模式。
Radon is a gas that comes from the radioactive decay of radium in rocks.
氡是来自岩石中镭辐射衰变而产生的气体。
Radon is a natural radioactive gas that emanates from the ground into the air.
氡是一种放射性得自然气体，从地下散发到空气中。
The normal dynamic characteristic of gas radon in Liaogu First Well is analyzed.
分析了聊古一井气氡的正常动态特征。
The content of radon gas and methane bacteria indicates obvious abnormity above the gas pool.
气田上方氡气和甲烷菌的含量存在明显的异常。
For certain occupations, radon gas is the predominant source of occupational radiation exposure.
对某些职业而言，氡气是职业辐射照射的主要来源。
THE RESULT AND MEASUREMENT OF SOIL GAS RADON AND SOIL GAS MERCURY IN THE EXPLORATION OF HAIHE HIDDEN FAULT
海河隐伏活断层探测中土壤气氡和气汞测量及其结果
Finally, some research subjects concerning the application of radon gas in metal ore prospecting are proposed.
最后提出氡气找金属矿的某些研究方向。
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