采用结壳法对三种滨海盐渍土的非饱和导水率进行了研究。
The crust method was used to study the unsaturated hydraulic conductivity of three kinds of seashore saline soil.
多孔介质非饱和导水率是地下水污染预测与评价的重要参数。
The unsaturated hydraulic conductivity is a key parameter of porous media applied to groundwater pollution prediction and assessment.
多孔介质非饱和导水率是地下水污染预测与评价的重要参数。
Water content, effective porosity and unsaturated hydraulic conductivity of samples were measured.
本文研究了灌溉水质对田间原状土壤非饱和导水率的影响及其机理。
The effect of irrigation water quality on unsaturated hydraulic conductivity (k) of undisturbed soil and its mechanism were studied.
结果表明：饱和导水率具有较大的空间变异性，变异系数达67%；
The result shows that the saturated hydraulic conductivity has great spatial variability with the various coefficient 67%, and the soil bulky density has lower variability.
三个参数中，以预测非饱和导水率最为困难，原因之一在于直接测定困难。
Among the three parameters, it is difficult to estimate K because of its difficulty to be measured directly.
土壤大孔隙和土壤饱和导水率深度增加呈减小的趋势，并且变异性和复杂性很大。
The macropore and saturated hydraulic conductivity have increase with the increase of altitude and have great variability and complexity.
并分别得出土壤容重、比重、毛管孔隙度和饱和导水率与粉煤灰用量的模拟方程。
The simulation equation between these ecological factors and the amount of coal fly ash was gained.
当土壤水吸力增大到一定值时，中间土层的土壤非饱和导水率反而大于底土层和表土层。
While the soil water suctions increased to some values, the unsaturated hydraulic conductivities in middle soil layers were higher than those in topsoil layers.
原状土的饱和导水率能反映田间的实际情况，对研究土壤水分平衡和水土保持有极其重要的意义。
The saturated hydraulic conductivity of undisturbed soil can represent the really case in the field and is significant to study soil moisture balance and soil water conservation.
本文简述了标定的原理、田间土壤水分特征曲线和非饱和导水率的标定方法，还给出了水分运动参数标定的实例。
In this paper, the concept and the method of scaling are described, and some examples of scaling of soil water characteristic curve and unsaturated hydraulic conductivity are given.
结果表明：饱和重量含水量随容重的增加而减小，与容重成反比关系，饱和导水率随着容重的增加呈现幂函数形式递减。
Effects of bulk density on the two parameters were analyzed. The results showed that saturated mass water content decreased with the increment of bulk density and was inverse to bulk density.
通过对西南喀斯特地区典型土壤的饱和导水率的分析，研究了喀斯特地区不同植被退化类型下土壤的饱和导水率及其影响因素。
The soil saturated hydraulic conductivity in different vegetation degeneration type and its influential factors in southwest karst region of China were studied.
通过对西南喀斯特地区典型土壤的饱和导水率的分析，研究了喀斯特地区不同植被退化类型下土壤的饱和导水率及其影响因素。
The soil saturated hydraulic conductivity in different vegetation degeneration type and its influential factors in southwest karst region of China were studied.
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