Utilization and Control of the Nature Air Flow in Removing Radon
排氡通风中自然风流的利用与控制
Main consist in decorates radon in used cement, arenaceous stone.
氡主要存在于装修用的水泥，砂石中。
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。
Exposure resulted from radon and its decay products in air in China
我国空气中氡及其短寿命子体产生的照射
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。
Its radon pollution is low, near to the environment background value.
氡污染水平较低，接近环境本底水平值。
Curves of daily mean value of radon contents in water in Guzan station
姑咱水氡日均值曲线
Due to dilution in the air, outdoor radon levels are usually very low.
鉴于在空气中得稀释，室外得氡水平通常很低。
Avoid environmental hazards such as radon, asbestos and air pollution.
避免环境危害，减少对氡，石棉和大气污染的接触。
Scintillation flask method for measuring radon concentration in the air.
空气中氡浓度的闪烁瓶测量方法。
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。
Other causes include over exposure to radon, asbestos and air pollution.
其他的病因包括氡，石棉的过度接触和过度暴露于空气污染。
When inhaled, the radiation exposure from radon may lead to lung cancer.
当吸入之后，来自氡的放射暴露可导致人们罹患肺癌。
The unique magic of radon springs, is the rare high fever with radon spa.
氡泉水神奇独特，是国内罕见的高热含氡矿泉。
Effect of dose rate in assessment of lung cancer risk from radon daughters
氡子体致肺癌危险评价中的剂量率效应
Radon is the second most important cause of lung cancer in many countries.
在许多国家中，氡是肺癌的第二种最重要病因。
A scintillation cell is a detector which is often used in measuring radon.
闪烁室是一种常用于测量氡得探测器。
The radioactive dust will contribute to higher levels of uranium and radon.
放射性尘埃会形成铀和氡得高值。
Geological background which is one of the main factors affecting indoor radon.
其中地质背景是影响室内氡的主要因素之一。
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。
Study on mechanism of detecting underground fire by Radon measurement technique
测氡探火机理的研究
Indoor radon distribution in Switzerland lognormality and Extreme Value Theory.
瑞士室内氡气分布对数常态及极端值理论。
Objective Study on radon pollution in tunnel and protection from the radiation.
目的研究坑道内氡浓度及工作人员的氡防护。
When radon ventilation fans are added radon levels can even be reduced further.
当增加氡换气扇时，可进一步降低氡的水平。
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