并发现以紧密而孔径小的闭口空胞组成的过渡层对不对称膜的气体分离有利。
It is found that the transition layer composed of closed-cell with tight and smaller pore-size pores makes the asymmetriC membrane benefit of gas separation.
细观单胞元是由一个含编织纱线的空六面体单元和一个含基体材料的实六面体单元叠合而成。
This cell-element is assembled by a empty brick including several braiding yarns with different orientations and a corresponding continuum brick that represents the matrix material.
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