dry density of soil的意思|示意

The pore water permeability coefficient of unsaturated expansive soil is controlled by suction, cell pressure, dry density and degree of saturation of soil samples.

压实膨胀黏土水渗透系数受吸力、围压、干密度、饱和度等因素控制。

Send soil samples to lab for compaction test so as to determine the most reasonable water content ratio to enable on-site control of dry density.

将土样送试验室做击实试验，确定其最优含水率和现场控制干密度。

For guidance of construction and assurance of quality of soil compaction, a study was performed on the test method for the maximum dry density.

为指导施工和控制填土质量，研究了最大干密度试验方法。

The only input factors of the simplified model were soil radium content, dry bulk density, water content and soil texture type and the output was soil radon exhalation rate.

模型只需输入土壤样品镭含量、容重、质量含水率和质地名称，就可以输出该样品的氡析出率理论值。

Some data indicate that the soil organic carbon density of paddy soil is higher than that of dry cropland soil in China, and has an increasing tendency over the last 20 years.

目前有资料表明，我国水稻土具有比旱地土壤较高的表土有机碳密度，且近20年来存在着升高的趋势。

Saturation is derived from water content and dry density of soil.

土的饱和度是基于水分状态和密度状态的一个衍生变量。