The Toutunhe sandstone reservoir in Niuquanhu area of Santanghu oilfield is mainly lithic sandstone, with an average porosity of 19.
吐哈油区三塘湖油田牛圈湖区头屯河组砂岩储层主要为岩屑砂岩，平均孔隙度为19。
The analytical solutions of maximum void ratio, average value of increment of maximum void ratio, average value of maximum void ratio and average value of maximum porosity were derived.
建立了剪切带内部的最大孔隙比、平均最大孔隙比增量、平均最大孔隙比及平均最大孔隙度的解析式。
It was measured that the density, area percentage and average diameter of porosity and mechanical properties of ADC12Z die castings under the different casting pressures.
测定了不同铸造压力下adc12 Z压铸件密度、孔洞面积百分比、孔洞平均直径及力学性能，研究了铸造压力对ADC12 Z压铸件孔洞和力学性能影响。
Rising temperature of casting solution will increase the water flux, porosity and average pore size of PVDF membrane.
制膜液温度升高，得到微孔膜的孔隙率、通量及平均孔径都增大。
The pore size distribution, the average pore size, the porosity and the gas flux were determined.
采用自制装置分别测定了孔径分布、平均孔径、孔隙率和气体通量。
The effect of pore characteristics on gas diffusion was analyzed. The relationships between the specific area, average pore diameter and porosity with the diffusion coefficient were obtained.
分析了比表面积、平均孔径、孔隙率等孔隙特性参数对扩散的影响，获得了分形多孔介质中气体扩散系数与平均孔径的函数关系。
From the results of numerous models it can be concluded that the largest force on blocks decreases with the increasing of porosity of breakwater and the average radius of blocks.
从不同模型的计算结果可知，块体的最大受力随着防波堤孔隙率以及块体平均半径的增加而减小。
There is a certain relation between the porosity and the average grain diameter.
平均粒径与孔隙率存在一定关系；
The measured average tensile strength is decreased also evidently with porosity, but more sensible to porosity.
实测抗拉强度随孔隙率的变化曲线与屈服强度相似，但对孔隙率更敏感。
Statistic data shows that the porosity increased a little with 0.58% of the average change rate after long-term water flooding in every-type of oil-bearing reservoirs in Lamadian oilfield.
统计资料表明，喇嘛甸油田各类油层，长期注水冲刷后，孔隙度值略有增加，但变化率不大，平均只有0.58%。
Statistic data shows that the porosity increased a little with 0.58% of the average change rate after long-term water flooding in every-type of oil-bearing reservoirs in Lamadian oilfield.
统计资料表明，喇嘛甸油田各类油层，长期注水冲刷后，孔隙度值略有增加，但变化率不大，平均只有0.58%。
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