Soil density and soil particle of the loam are decreased but those of the sand are increased.

壤土的土壤密度、比重降低，而砂土的土壤密度、比重增高。

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The research results of the effect of covered soil density on reducing radon emanation rate are introduced.

介绍了覆土密度对降低氡析出率影响的试验研究结果。

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The more is the temperature gradient, and the less is the soil density, the more is the water content gradient.

密实度对含水量分布的影响是密实度越小的土样其含水量的变化越大。

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Its deadliness was linked, among other things, to the weakness of buildings, the depth of the quake, the density of population, the fault and soil types, and the intensity of the shaking.

ECONOMIST: Why the Kashmir earthquake happened and what might be done