The asymmetric membrane structure was observed which was composed of surface layer and porous support layer. And composite membrane had more loosen finger-like pore structure.
通过电子扫描电镜、原子力显微镜观察复合膜材料表皮层、多孔支撑层及断面结构。
To the grafting on the surface of hollow fiber, the new type of design for composite membrane structure be advance.
对于中空纤维膜表面接枝改性，提出了疏松型复合膜织构新设计。
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