A sand retention screen with large radius and high permeability near the wellbore can be formed by high liquid production and the large amount of sand.
管外高压充填防砂增液技术通过高液量和大砂量在近井地带形成大半径、高渗透的挡砂屏障；
Although VG model can reasonably well match the simulated water retention curves, both VG and BC models underestimate relative permeability.
VG模型虽然可以与持水曲线匹配得很好，但是VG模型和BC模型都对相对渗透率估计过低。
Result Hydrophobic coating porous plate could evidently increase the water retention pressure, but also increase pressure drop of gas permeability in varying degrees.
结果憎水涂层多孔板的水滞留能力显著提高，但其渗透压降也不同程度地增加。
The paper introduces the warmth retention property of elastic composite. It compares the warmth retention property and air permeability of nonwovens whether it has polyurethane elastic film or not.
介绍了弹性复合材料的保暖性能，比较去除聚氨酯弹性膜前后非织造保暖层的保暖性及透气性。
Water retention capacity was higher and water permeability was lower.
土壤的贮水能力较高，渗水能力则较差。
The properties of the fabrics of blended spun yarn of VILOFT and hollow polyester, such as wet permeability, vapor transmission, warmth? Retention, handle, drape are researched.
研究了VILOFT扁丝与中空涤纶混纺纱织物的导湿、透汽、膨松、保暖、手感、悬垂性能。
The properties of the fabrics of blended spun yarn of VILOFT and hollow polyester, such as wet permeability, vapor transmission, warmth? Retention, handle, drape are researched.
研究了VILOFT扁丝与中空涤纶混纺纱织物的导湿、透汽、膨松、保暖、手感、悬垂性能。
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