电阻率指的是材料对电流流动的电阻,乘以电流流过横截面的面积并除以电流流过的长度;是电导率的倒数。电阻率越小、导电本领越强。亦称比电阻。地电阻率学上指电流垂直通过单位体积的岩石或矿石时,所受阻力的大小。表示岩石导电能力大小的参数,常用字母ρ表示。电阻率越高说明导电能力越差。影响电阻率的因素有:岩石的结构、良导电矿物的含量、水溶液含量及其盐离子浓度、温度等。
大地电阻率 earth resistivity
地电阻率法 earth-resistivity method
视地电阻率 Earth apparent resistivity
地层电阻率系数 formation resistivity factor
冲洗带地层电阻率 Rxo flushed zone formation resistivity ; resistivity ; RXO
地层电阻率因数 formation resistivity factor ; formation resistivity
地层真电阻率 Rt true formation resistivity
地层水电阻率 formation water resistivity ; Rw ; resistivity of formation water
地层电阻率指数 formation resistivity index
地电阻率是观测地下介质电性结构随时间的变化。
Observe the electricity structure of underground medium and change over time in resistivity of ground.
叙述了地电阻率变化的主要影响因素和多年动态变化特征。
Main factors to influence ground resistivity variation and characteristics of multi-years dynamic change are introduced.
介绍了利用高分辨地电阻率法探查大柳塔煤矿小窑采空区的作业方法和效果。
The operation measures and effect of high-resolution resistivity prospecting in gob area, Daliuta Coal Mine, are introduced in this paper.
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