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影响地下水氡测值变化的固素是多元的。本文仅从一个侧面论述水氡仪器K值在地震预报中的重要性。认为K值标定偏差不能太大,《地震台站观测规范》规定的标准尚嫌偏低。根据现状,K值准确度可以达到≤3％,通过工作能达到≤2％。指出K值标定和水氡测试要排除脱气温度的影响。并对其标定方法进行了扼要的讨论,从理论和实践分析得到:目前K值标定只能采用标准源法,平行试验法不能应用于地震预报。
The factors affecting the variation of groundwater radon measurement are diverse. This article discusses the importance of water radon instrument K value in earthquake prediction from only one aspect. It is considered that the deviation of K value calibration can not be too large, and the standard stipulated in the “Observatory of Seismostation Observation Station” is still too low. According to the status quo, K value accuracy can reach ≤ 3%, through work can reach ≤ 2%. It is pointed out that calibration of K value and radon test should exclude the influence of degassing temperature. And its calibration method is briefly discussed. From the theoretical and practical analysis, it can be concluded that the standard source method can only be used for K value calibration and the parallel test method can not be applied to earthquake prediction.