Shale and dolomite will cause the neutron porosity high and the density porosity low.
泥岩和白云岩导致中子孔隙度的读数偏高，密度孔隙度的读数偏低。
2
The results have shown that the CBR and resilience modulus of expansive shale were mainly controlled by moisture content and dry density.
研究结果表明，膨胀性泥页岩填料的承载比（CBR）和回弹模量主要受制样含水量及干密度的控制；
3
Shale (mudstone) densimeter is a special instrument used to measure shale (mudstone) density during drilling in geological exploration for oil and gas.