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前言在土地电观测中,最常用的电极材料是铅和碳。有人认为:“在饱和水条件下的碳棒,容易被渗流扩散作用而解体变为粉未。……。采用碳电极时,一年,最多两年应更新电极,因为时间长了,碳块会粉未化”。按照上述见解,1、2年要更新一次电极,将使土地电资料不能连续,难以用来作地震预报。观测时间长了,碳电极会不会变成粉未,土地电观测值不稳定究竟是什么原因。下面根据我们的实践,提出一点粗浅的看法。
Preface The most commonly used electrode materials for earth observation are lead and carbon. Some people think: “Under the conditions of saturated water, carbon rods, easy to seepage diffusion and disintegration into powder ... .... When the carbon electrode, a year, up to two years should be updated electrodes, because a long time, the carbon block Will be unfinished. ” According to the above opinion, one or two years to be updated once the electrode, will make the land electricity data can not be continuous, it is difficult to be used for earthquake prediction. The observation time is long, the carbon electrode will not become pink, the earth observation of the value of what is the reason. The following based on our practice, put forward a little superficial view.