permeability

The fracturing job was one of the effective way to improve hydrocarbon reservoir's permeability and raise oil and gas well's production.

压裂作业是改进油气层渗透率、提高油气井产量的有效途径之一。

Flux than the average permeability of silver, and the slow flow of superior, stable performance and easy to use.

比一般银钎剂渗透性强、慢流性优、性能稳定、使用方便。

It is a closed-cell structure with high permeability of vapor, hard but brittle and easy to be damaged with short life.

连孔结构，有较高的水汽渗透率，其材质硬而发脆，容易破损，寿命短。

The casing swabbing is often used in low pressure, low permeability and low production rate oilfields for the most economical production.

三低油田常采用套管抽汲方法达到最经济的采油目的。

Salt rock is considered to be the best media due to its characteristics of good rheological, low porosity, and low permeability etc.

由于盐岩具有良好的蠕变性、低孔隙率和低渗透性等特点，被国际公认为是能源储存的最理想的介质。

And the air permeability of the flax fabrics is far superior to that of cotton fabric.

麻织物的透气性能远比棉织物要好。

The permeability increased in the reservoirs with good physical property, but invalid cycle channel was easy to be formed.

物性好的储层，渗透率增加，但易形成无效循环通道；

that of river mouth sand bars shows reverse rhythmic distribution, and the peak permeability section is in the top.

由前积而成的河口坝砂体，其渗透率成反韵律分布，最高渗透率段在顶部。

So that ferromagnetic dielectric material with its own reflection of light permeability of a relationship.

从而证明铁磁性介质材料的光反射与其本身的磁导率有关系。

The results of field application indicate that this technology can restore original reservoir permeability and oil well productivity.

现场应用结果表明，该技术可使油层恢复原有的渗透性，使油井恢复原始产能。

The air permeability back board can be made of plastics or other materials.

透气背板可用塑料或其他材料制成。

The method can be used for measuring the vertical saturation permeability coefficient of the soil outdoors quickly and accurately.

该方法可用于野外迅速准确的测定土壤垂向饱和渗透系数。

However, when various diseases cause the increase of the permeability of capillaries, albumin may not play such a role or even counteract.

但是，当疾病引起毛细血管通透性增大时，白蛋白可能不起作用或起反作用。

The concept of this self-sealing process broadens the likelihood of cap rocks with low permeability occurring in volcanic areas .

自封密过程这一概念使得火山区也可能出现渗透性能很低的盖层。

The silicone rubber has been used as the sealing material of fuel cell, but the material has high permeability to hydrogen and oxygen.

有机硅橡胶一直以来都用来做燃料电池的密封材料，但有机硅透气性高，不适合氢气、氧气等高透过性气体的密封。

The result of contrast shows that the effectiveness division of a reservoir can be done according as the stoneley wave permeability curves.

对比结果表明，可依据获得的斯通利波渗透率曲线进行储层的有效性划分。

Paper, linen, leather like, with the pores, easy penetration, to be impregnated using oil, wax or other anti-permeability materials.

纸、麻、牛皮之类，有毛细孔，易渗透，使用时须浸渍油、蜡或其他防渗透材料。

through the organic materials and concrete combine into a dense oxidation film, achieve anti-permeability waterproof effect.

通过有机材料与混凝土结合成致密的氧化膜，达到抗渗防水效果。

The invention relates to a preparation method of a polyvinylidene fluoride (PVDF) ultrafiltration membrane with improved permeability.

本发明涉及一种改善通透性的聚偏氟乙烯超滤膜的制备方法。

Leptospires with different virulence did not cause significant changes in permeability of endothelial monolayers.

不同毒力的钩体均未引起内皮细胞单层通透性明显改变；