主要讨论了焦耳热效应和矿物质对煤导电性质的影响。
The effect of Joule heat and mineral matter on conductivity of coal has been studied.
粘性土是通过孔隙水、粘粒周围的双电层以及粘土矿物来导电的。
Electric current flows through clayey soils by the conduction of void water, electric double layer and clay minerals.
而矿物多晶中间频率段的导电机制由颗粒边界所引起。
In polycrystalline samples, the intermediate-frequency mechanism is interpreted as the grain-boundary conduction mechanism.
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