air-entry value

基本解释

For the specimens with the same properties, the higher the initial soil density is, the larger the air-entry value and the lower the rate of desorption is.
同一土质的重塑样，初始干密度越大，则其进气值越大，脱水速率越慢；
Soil-water characteristic curve (SWCC) is obtained from the data measured in situ, from which we can acquire air entry value (AEV) and residual saturation (RS).
通过精度较高的多项式的拟合获得的土-水特征曲线，得出进气值和残余饱和度对应的基质吸力。
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。

进气值
Relationship between soil electric conductivity and soil matric suction was used to estimate soil air entry value. Glass Funnel with porous ceramic plate provided in this paper was identified as the method for the measurement of soil bubbling point.
2、研究采用土壤电导率与基模吸力的关系判断和测定了土壤的进气值,采用改进后的砂型漏斗装置测定了土壤的发泡点。