The impact penetrant specific energy of frozen soil indicates the work of chiseling the frozen soil per unit volume, and reflects the ability to impact frozen soil.

冻土凿碎比能是表示凿碎单位体积冻土所消耗的功，它反映了冲击破碎冻土的能力。

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After that it is pointed out that compared with soil density changes, water content change can result in more variations of coefficient of thermal conductivity and specific volume heat of loess.

相对于随密度的变化，黄土导热系数和比热容随含水量的变化尤为显著，含水量变化可以引起热参数较大的变化。

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