diffusion saturation

his paper discusses the unsaturated soil water diffusivity of lateritic red earth and its effect factors in South China.

对华南赤红壤非饱和土壤水扩散率及其影响因素进行了研究。

The method of horizontal earth column was used to study the unsaturated soil water diffusivity of three seashore saline soils.

本试验采用水平土柱法对三种滨海盐渍土的非饱和土壤水扩散率进行的研究结果表明:三种土壤的非饱和土壤水扩散率变化于0。