In this article,the author states performances and effects of mud,analyzes influences of mud on pore-forming efficiency and quality.
介绍了泥浆的性能和作用 ,分析泥浆对成孔效率和成桩质量的影响。
Water content,effective porosity and unsaturated hydraulic conductivity of samples were measured.
在污水灌溉区和清水灌溉区不同点及深度上取样分析 ,测定土壤在污灌前后的土壤含水率、有效孔隙率和非饱和导水率的特征变化 。
Approximate solutions show that the ground water level rises in proportion with rainfall intensity,time and inverse number of the effective porosity of the soil.
近似解说明了水位的上升与降雨强度和时间成正比,与土壤的有效孔隙率成反比。
Approximate solutions show that the ground water level rises in proportion with rainfall intensity, time and inverse number of the effective porosity of the soil.
近似解说明了水位的上升与降雨强度和时间成正比，与土壤的有效孔隙率成反比。
In addition,? T2? distribution is used to determine the lower limit of effective porosity and estimate permeability in the reservoir.
此外,还利用T2分布研究有效储层孔隙度下限,并估算渗透率。
Seismic velocity can occasionally be affected by porosity and temperature.
孔隙率和温度有时也能影响地震波速。
The effective permeability is a relative measure of the conductance of the porous medium for one fluid phase when the medium is saturated with more than one fluid.
有效渗透率是在多孔介质被多种流体饱和时，对单一流体相孔隙介质传导性的相对量度。
The effective permeability is a relative measure of the conductance of the porous medium for one fluid phase when the medium is saturated with more than on fluid.
有效渗透率是在多孔介质被多种流体饱和时，对单一流体相孔隙介质传导性的相对度量。
AN EFFECTIVE STRESS LAW FOR ANISOTROPIC MULTI-POROSITY MEDIA
各向异性多重孔隙介质有效应力定律
On microscopic level, water? drive efficiency was mostly affected by pore structure.
微观上驱油效率则主要是受孔隙结构的影响。
resistivity-porosity cross plotting
电阻率-孔隙度交绘图法
Research on accurate measurement method of porosity of macropore sample
公路工程大孔隙试件孔隙率精确测定方法研究
Investigations on CFRP Porosity Using Ultrasonic Testing Based on Random Pores Model
基于随机孔隙模型的CFRP孔隙率超声检测研究
For more highly cemented materials and limestones, significant difference in total porosity and effective porosity values may occur.
对于含泥浆较多的物质或石灰岩，其总孔隙度和有效孔隙度会有很大差别。
TESTING OF OPEN POROSITY AND COLSED POROSITY OF CARBON MATERIAL BY EFFECTIVE DENSITY METHOD
炭素材料显气孔率和闭孔率的测试──有效密度法
Internal friction behaviors of porous NiTi alloys with variable porosities
可变孔隙率多孔NiTi合金的内耗行为
For intergranular materials, poorly to moderately well cemented, the total porosity is approximately equal to the effective porosity.
对于由晶体构成的物质，其晶粒间含泥浆少或较少，因此总孔隙度与有效孔隙度近似相等。
The high porosity of aerogels makes them have many unique properties.
由于气凝胶具有很高的孔隙率使它具有许多特殊的性质。
The total porosity and the aerate porosity decrease after the rain while the faster available porosity and the slow available porosity increase .
降雨后土壤的总孔隙度下降，通气孔隙下降较明显，同时速效孔隙和迟效孔隙增多。
For a cylindrical fold, the average aperture and fracture permeability related can be estimated.
对于圆柱状褶皱可以估算与褶皱有关的裂缝孔隙度和渗透率。
The porosity and permeability of rock are related directly to grain size and sorting characteristics.
颗粒大小和分选性对岩石的孔隙和渗透率有直接关系。