Soil permeability is an important index of evaluating water source conservation function.
土壤入渗性能是评价土壤水源涵养功能的重要指标。
Fine roots could also improve soil permeability effectively to decrease runoff and weaken soil erosion.
须根还能有效地增强土壤渗透性，减少径流，从而达到减少土壤冲刷的目的。
Soil permeability is one of the important physical properties of soil and important component of the ecological benefits.
土壤渗吸性能是土壤重要的物理特征之一，是生态效益的重要组成部分。
Indigenous microorganisms, inoculated microbiological, soil permeability all played an important role during remediation process.
修复过程中，土著微生物、接种微生物和土壤透气性均起到重要作用。
It supplied the soil permeability unit grouping figure, sampling pattern and mathematical model of sampling pattern of total infi...
为渠道理论输水损失水量计算提供了土壤透水性单元聚类图、模式样本及入渗总水量的模式样本的数学模型。
It supplied the soil permeability unit grouping figure, sampling pattern and mathematical model of sampling pattern of total infiltration qua...
为渠道理论输水损失水量计算提供了土壤透水性单元聚类图、模式样本及入渗总水量的模式样本的数学模型。
The variation of seepage free surface with time was analyzed, and the influence of soil permeability on seepage free surface and deformation was then discussed.
分析了渗流自由面的变化规律，讨论了渗透系数变化对渗流自由面及基坑变形的影响，并与不考虑渗流自由面变化时的结果进行比较。
The physical model tests were performed to study the influence of pipe drainage system on soil permeability, groundwater level and slope residual downslide thrust.
为了研究管网渗流系统对土体渗透性能和地下水位以及边坡剩余下滑推力的影响，进行管网渗流系统的物理模拟试验。
Soil permeability coefficients regression equation performs exponent relation. Regression coefficients were between 0.88 to 0.99, and the equation analog effect was good.
土壤入渗过程的回归方程表现为乘幂函数形式，回归系数R在0.88 ~ 0.99之间，方程拟合效果较好。
The permeability of a soil is important for calculations of underground flow.
土的渗透性对于地下液流的计算很为重要。
Straw mulched could improve soil granular structure, and increase the content of water-stable aggregates, so the ability of permeability, fertilizer and water conservation got improved.
秸秆覆盖还田促进土壤团粒结构形成，提高了土壤水稳性团聚体含量，从而改善了土壤通透性和保水保肥性。
The permeability of soil showed downtrend along with the period of tillage prolonged during the whole infiltration process.
在整个入渗过程中，土壤水分入渗性能随着开垦年限的延长呈下降趋势。
By reducing the permeability of soil at the bottom of pit and selecting optimal dewatering depth, the settlement of ground surface can be well controlled.
采用降低坑底土层渗透性的措施和选择最佳的降水深度能有效地控制坑外地表的沉降。
If the infiltration intensity is less then the saturated permeability coefficient, the surface soil finally reaches to an unsaturated infiltration stage instead of saturated infiltration stage.
当降雨强度小于土体的饱和渗透系数时，表层土体达不到饱和状态，最终的稳定入渗只能达到一个非饱和入渗状态。
The magnitude of load, the pre-consolidation pressure of soil, as well as the variations of compressibility and permeability of soil, all has significant influence on the consolidation behavior.
荷载的大小、先期固结压力、土体压缩性和渗透性的变化等对地基的固结性状均有明显影响。
Based on the equation of soil water feature curve and the relationship between soil water feature curve and permeability function, the permeability function equation of unsaturated soil is derived.
从非饱和土土水特征曲线方程出发，根据渗透函数和土水特征曲线的关系，推导出了非饱和土渗透函数方程。
Four kinds of amendments can improve soil physical properties. Soil bulk density decreased, soil porosity, permeability coefficient and field capacity increased under treatments.
四种改良剂均能不同程度的改善土壤物理性状，能降低土壤容重，提高土壤总孔隙度，加快渗透速度，增加田间持水量。
Effective compaction can improve the bearing capacity of the soil, improve not permeability.
有效的压实可以显著改善土壤的承载能力，提高不渗透性。
The soil and water loss violently, the main reason was human's destroy on natural vegetation, thus it thoroughly destroyed the permeability and anti-scouring of soil.
目前黄土高原水土流失剧烈进行，其主要原因就是人为活动对天然植被的无情破坏，从根本上破坏了土壤的入渗和抗冲性能。
The leather treated using fluorine containing retanning agent has a soft hand, good gas permeability, and better water , oil and soil resistances and so on.
含氟复鞣剂可以赋予皮革良好的手感、优异的透气性、抗水抗油性、抗污性等性能。
For complexity and diversity of unsaturated soil behaviors, there lies a great difference in permeability characteristics between unsaturated soil and saturated soil.
由于非饱和土的复杂性和多变性，其渗透特性明显不同于饱和土，并且试验难度较大。
The soil bulk reduced, the soil porosity and permeability improved.
地块的土壤容重减少，提高土壤膨松度，增强土壤透气性。
However, the effect of its permeability and water-maintaining in loam soil, sandy loam and vermiculite was not so obvious as in soddy soil.
信德瑞在壤土、砂土和蛭石中的渗透、保水效果不如在草炭土中明显。
Measurement of soil grain and pore size distribution, observation of soil microstructure and permeability test are used to study soil structure and permeability.
本文介绍本院野外试验场包气带土壤结构和渗透性参数实验分析的主要方法及其结果。
The analysis results also show that foundation pit tends to fail in anisotropic soil when horizontal permeability coefficient is larger than that of vertical.
对比各种分析结果，当水平向渗透系数大于竖向渗透系数时，基坑最容易发生渗透破坏。
Strength, volumetric strain and permeability coefficient, and even moisture-distribution above ground water surface can be determined by the soil-water characteristic curve.
根据土水特征曲线可以确定非饱和土的强度、体应变和渗透系数，甚至可以确定地下水面以上水份分布。
OADC with consideration on the gradual variation of horizontal permeability of soil in disturbed zone is greater than the one without considering the horizontal permeability variation.
在线性加载的情况下，考虑了扰动区土体水平渗透系数抛物线变化以及桩周土体的径、竖向组合渗流，给出了该问题的控制方程以及解答。
By using this model the soil-water characteristics and permeability coefficient of unsaturated soil are deduced and expressed in fractal dimension and air-entry value.
本文建立了土体孔隙分布的分形模型，导出用分维和进气值表示的水分特征曲线和渗透系数的理论表达式。
By using this model the soil-water characteristics and permeability coefficient of unsaturated soil are deduced and expressed in fractal dimension and air-entry value.
本文建立了土体孔隙分布的分形模型，导出用分维和进气值表示的水分特征曲线和渗透系数的理论表达式。
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