It is suggested that the dynamic pattern method could completely and directly show the anomaly characteristic in Radon precursor and be a new method of Radon analysis for the earthquake prediction.

表明动态图像方法能较完整、直观地揭示水氡前兆异常的特征，可望成为一种水氡分析预报的新方法。

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Methods Analysis the source of radon was analysed and some measures were have been taken to reduce the radon and limit the work hour in the tunnel.

方法分析坑道内氡的来源，采取降氡措施，限制工作人员坑道内工作时间。

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In this paper, by analysis numerous observation data and earthquake cases, we studied the micro-behavior characters of escaping and dissolved Radon and their changing patterns.

本文从大量的实际观测资料及多次震例资料出发，深入地研究了逸出氡和溶解氡的微动态特征及其变化规律。

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The Environmental Protection Agency calls radon "extremely toxic, " and the Harvard Center for Risk Analysis in 1998 listed it as the most frequent cause of premature death from a hazard in the home.

FORBES: Magazine Article