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自50年代以来,世界各国先后发现了一些地电导率异常区。在文献[1]中作者亦发现了唐山地震伴有地电导率异常,研究结果和电磁感应理论表明:地震的孕育过程可能伴有地下电导率及其分布状况的变化。地磁变化场包括地球内部电导率的分布信息。地下电导率分布状况的改变会导致ΔZ/ΔH、ΔD/ΔH及转换函数A B发生变化。本文通过对ΔZ/ΔH、ΔD/ΔH及其转换函数A B的计算,以及异常变化随时间过程的初步研究,以寻求泰山震群可能伴
Since the 1950s, some countries in the world have discovered some areas with abnormal conductivity. In [1], the author also found that Tangshan earthquake accompanied by conductivity anomalies. The research results and electromagnetic induction theory show that the gestation process may be accompanied by changes in underground conductivity and its distribution. The geomagnetic field contains information on the distribution of electrical conductivity inside the earth. Changes in the distribution of underground conductivity leads to changes in ΔZ / ΔH, ΔD / ΔH and the transfer function A B. In this paper, the calculation of ΔZ / ΔH, ΔD / ΔH and its transfer function A B, as well as the preliminary study of the anomalous change with time process,