采用扫描电镜（ S E M ）和原子力显微镜（ A F M ）分别对膜的断面、表面形态作了研究。
The cross section and surface image of NF 1 composite membrane were studied by SEM and AFM respectively.
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。
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.
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