The variation of medium pore diameter and porosity factor is in accordance with that of the pore volume, showing a high permeability of low rank coal reservoirs.
中值孔径、孔隙率的变化特征与孔容一致，预示了低煤级煤储层较高的基岩渗透率。
This paper deals with mechanism of the decrease of the mobility of a polymer solution when it flows through a porous medium by means of resistance factor and porosity factor.
本文从阻力系数与孔隙系数角度出发，研讨了聚合物溶液在砂岩孔隙介质中降低流体流动度的机理。
Relative porosity factor value can be used to characterize the relation between the molecular size of the polymer and the its retention in the flow of polymer solution through porous media.
相对孔隙系数值可用以表征聚合物溶液流经孔隙介质时聚合物分子尺寸与滞留作用的关系。
The results show that the porosity of plant fiber is the main intensity factor, and followed is the perforation of the configuration forms, and size of perforation is independent.
试验结果表明：植物纤维穿孔板静曲强度的主要影响因子是孔隙率，其次是穿孔的排列方式，与孔径大小无关。
Porosity, a key index of porous materials, is the most primary factor for many properties of porous materials.
孔率是多孔材料的关键指标，是多孔材料若干性能最主要的决定性因素。
Micro fissure is a significant factor for determining the fluid loss in low-permeability fractured reservoir, due to its small porosity and low permeability in the matrix.
对于裂缝性低渗透储层，由于其基质孔隙度小、渗透率低，天然微裂隙成为决定压裂液滤失的主要因素。
The gas effect on porosity derived from acoustic formation factor formula should not be neglected.
本文通过考察天然气对声波地层因素公式求孔隙度的影响，表明这种影响是不可忽视的。
The results show that net burden pressure has obvious influence on porosity, permeability and rock compacting factor with little effect on pore configuration.
结果表明：净覆压对储层的孔隙度、渗透率和岩石压缩系数具有明显的影响，对储层岩石孔隙结构影响较小；
Performance is mainly determined by the soil physical properties, soil density, moisture, porosity, clay content and the forest root such as other factor.
其性能主要是由土壤密度、水分、孔隙度、黏粒含量等土壤物理性质以及森林植物根系等因子决定。
It was found that in double logarithmic coordinates, the relationship of formation factor and porosity is a second order function and no longer the linear formula proposed by Archie in 1940's.
在双对数坐标系中，由低孔隙到高孔隙整个范围，砂岩地层因素与孔隙率的关系为一个二次函数。
The methods to identify the types of reservoir by using such parameters as dipmeter, long space sonic, resistivity, porosity and alteration factor are studied.
探索了用地层倾角、长源距声波、电阻率、三孔隙度及蚀变系数识别储集空间类型以及对储层分类的方法；
Porosity, surface density, thickness, flow resistance, structure factor and other factors affect the sound absorption coefficient.
孔隙率，面密度，厚度，流阻，结构因数因素综合影响其吸声系数。
It is a key factor in the response of a neutron porosity log.
含氢指数是中子孔隙度测井响应的主要参数。
The porosity defect is the important influencing factor to the quality of metal, and the non-touch inspecting method based image processing is an effective way.
针孔缺陷是影响金属箔材质量的重要因素，而基于图像处理的非接触性检测方法是检测针孔的一种有效途径。
The lowest formation porosity pressure factor to affect the quality of well cementing is 1.46.
影响固井质量的最低地层孔隙压力因数为146。
Reservoir micro pore structure is an important factor influencing reservoir porosity and permeability.
储层微观孔隙结构是影响储层储渗特性的重要因素。
The inter-porosity flow factor and the elastic storativity ratio determine the occurrence time and the degree of the inter-porosity flow.
窜流系数和裂缝弹性储容比的变化决定了窜流段发生的早晚和程度；
The results shows that porosity of rock is the main factor affecting the velocity of longitudinal wave. The shale content has a smaller affect on the wave velocity than sh…
泥质含量比孔隙度对纵、横波速度的影响小．但泥质含量要比方解石或白云石对纵、横波的影响大得多，理论考察和实验研究的结果一致。
Cementation is the main factor to decreasing porosity and permeability of reservoir while dissolution is the major reason of increasing porosity and permeability of reservoir.
压实和胶结作用是降低储层物性的主要因素，溶解作用形成的次生孔隙是改善储层物性最重要的因素。
The storativity ratio and inter-porosity flow factor is just same as the newtonian fluid, and the effect of outer-boundary on transient pressure is different from that of newtonian fluid.
而弹性储容比和窜流系数的影响和普通三重介质相同，只是由于非牛顿流体的影响其“凹陷”的位置升高；外边界的影响也和牛顿流体的情况明显不同。
The storativity ratio and inter-porosity flow factor is just same as the newtonian fluid, and the effect of outer-boundary on transient pressure is different from that of newtonian fluid.
而弹性储容比和窜流系数的影响和普通三重介质相同，只是由于非牛顿流体的影响其“凹陷”的位置升高；外边界的影响也和牛顿流体的情况明显不同。
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