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研究岩体的机电效应可以提出一种机电效应在煤岩体中发生瓦斯动力现象机理中起着重要作用的假说。提出此假说的依据是试验确定了下述规律性：突出危险砂岩的特点是明显的压电活性张量各向异性，在岩石破坏时它是高能电子源；煤系所有岩石具有第二类震电效应，在砂岩和沙页岩情?
Studying the electromechanical effect of rock mass can propose a hypothesis that the electromechanical effect plays an important role in the mechanism of gas dynamic phenomena in coal and rock mass. The hypothesis is based on the test to determine the following regularity: Outstanding Dangerous Sandstone is characterized by a significant piezoelectric active tensor anisotropy, which is a high-energy electron source in the event of rock failure; all rocks in the coal series have a second type of earthquake Electric effect in the sandstone and sand shale situation?