An improved method of measuring effective porosity of rock samples is presented.

It was showed that the porosity size decreases with decreasing powder size.

研究结果表明:孔洞的尺寸随着粉末粒度的下降而减小.

Study indicates that the formation and evolution of the porosity are controlled by diagenesis.

研究表明:孔隙的形成和演化受成岩作用的控制.

These three secondary porosity zones are effective reservoir spaces.

这三个次生孔隙发育带对储集油气有效.

The petrophysical lower limit values of an effective reservoir includes porosity, permeability and oil saturation.

有效储层的物性下限位主要包括储层孔隙度 、 渗透率和含油饱和度下限值.

What inspection functions are performed for the detection of casting cracks, porosity, and shrinks?

如何检验铸件的裂纹, 缩孔, 缩松?

The sands performes fine petrophysics, mid to high porosity and permeability, mostly gas filled.

储层物性非常好, 表现为中一高孔渗条件, 含气性也好.

The relation between air permeability andair permeability and porosity are discussed.

首先分析了织物紧度、孔隙率与透气性的相互关系.

Acid and Basic Resistance, porosity permeability of the pot without water seepage.

耐酸碱, 锅体气孔透气且不渗水.

Impacts of storativity and porosity on the head potential fluctuation are investigated in this paper.

本文也同时检查饱和土壤储水系数及孔隙率对地下水水头扰动的影响.

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.

The most protruding question of carbonate reservoir are extremely strong unhomogeneity and dual porosity model characteristics.

碳酸盐岩油藏最突出的问题是极强的非均质性和双孔隙网络特征.

This paper gives a research on the bubbles and porosity in solid cement stone in detail.

本论文对水泥石中的气泡及孔隙情况进行了详细的研究.

Resistance to flow may be high enough to cause microvoids and porosity.

流动阻力可能太高,从而导致微孔和多孔.

This quantity describes the retention of particles in a porous substance.

这个参数描述阻留在多孔体中的微粒量.

Hygrometers based on porous materials are neither accurate nor quick response.

以多孔材料作成的湿度计既不准确,响应又慢.

The water slowly drained away, down through the porous soil.

水慢慢流走了，渗入了疏松的土壤。

Experiments with the porous plate exhibIt'somewhat less scatter in the results.

用多孔板所得的实验结果则显得散布程度小些.

He added sand to the soil to make it more porous.

他往土里掺沙子以提高渗水性能.

Most soils and rocks are porous.

大部分土壤和岩石都是多孔的.

The soil is porous.

土质疏松.