The optical microscope and SEM were employed to analyze the damage of glass fiber during weaving and resin permeability in the course of molding of composite materials.
同时采用光学显微镜和SEM分别对织造中玻纤断裂情况和树脂在复合材料成型过程中的渗透性进行了研究。
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。
This article studies this composite technology by taking the geologic features of low porosity and low permeability of tight gas sands in West Sichuan.
结合川西地区致密砂岩气藏低孔渗的地质特点，对复合技术进行了研究。
The hydrogen permeability of the composite membrane is very high and the cost of the composite membrane is low because the palladium silver alloy film is very thin.
该复合膜的钯银合金顶层很薄，因此复合膜的氢气渗透率大，成本低。
Palladium composite membranes have attracted wide attention in membrane technology because of their excellent permeability, perm-selectivity and chemical and thermal stability.
钯复合膜具有较高的透氢速率、透氢选择性以及良好的化学和热稳定性，一直是膜技术领域的研究热点。
It is shown that the consolidation process of the composite ground is much more affected by both horizontal permeability coefficient and loading rate.
研究表明，水平向渗透系数和加载速率对复合地基固结有重要影响。
The composite liner system was located under the low - permeability cell berm separating the two cells.
复合衬板系统位于下分开两个单元格的单元格低渗天然。
The hydrogen permeability of the composite membrane is very high and the cost of the composite membrane is low because the palladium silver alloy film is very thin. The cyclohexane dehy…
该复合膜的钯银合金顶层很薄，因此复合膜的氢气渗透率大，成本低。
Negative refractive material is an important and new-style artificial and composite material, in which permittivity and permeability are simultaneously negative.
负折射率材料是一种重要的新型人工合成材料，其主要特征是介电常数和磁导率都小于零。
The results showed that the aromatics selective permeability of composite membrane was affected by both solubility selectivity and diffusion selectivity.
结果表明，复合膜的芳烃选择性是溶解选择性和扩散选择性共同作用的结果。
The present invention is one kind of composite materials of fiber reinforced sulfaluinous cement with high water permeability.
本发明是特别适用于油田的一种纤维增强硫铝酸盐高渗透水泥石复合材料。
The present invention is one kind of composite materials of fiber reinforced sulfaluinous cement with high water permeability.
本发明是特别适用于油田的一种纤维增强硫铝酸盐高渗透水泥石复合材料。
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