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QDJ-A气敏地震监测仪,因具有很高的灵敏度,兼有连测和点测系统,不仅为地震监测,也为地震水文地球化学实验研究提供了有利条件。由于气敏鉴定器对氢和甲烷都有很好的响应,但在实验研究对象——岩石或地下水中,二者又往往共存,所以通过连测系统获得的气体变化过程曲线,至少反映氢和甲烷的混合变化,通过点测系统,用色谱法检查,也只能对氢析出做定性分析。然而多数实验不仅要求观察氢析出的动态变化,还必须对它定量。为此,作者在实验研究中曾提出一个测定氢析出量的方法。该方法的基本思路也可用于地震监测,对自流井水(气)化学组分的动态做半定量分析。
Because of its high sensitivity, both the continuous measurement and the point measurement system, the QDJ-A gas-sensitive seismic monitor not only provides the favorable conditions for the seismic monitoring but also for the experimental study on the hydrogeochemistry of the earthquake. Because gas sensors have a good response to both hydrogen and methane, they often coexist in the experimental study - rock or groundwater - so the gas evolution curve obtained by the continuous measurement system reflects at least the hydrogen and Methane mixed changes, through the point system, with chromatography, hydrogen precipitation can only do qualitative analysis. However, most experiments not only require observing the dynamic changes in hydrogen evolution, but they must also be quantified. To this end, the author in the experimental study has proposed a method of determination of hydrogen precipitation. The basic idea of the method can also be used for seismic monitoring, semi-quantitative analysis of the chemical composition of water (gas) in artesian wells.