The SEM images of the PNDEA grafted layers prepared by different grafting methods have different surface morphology.
用扫描电子显微镜（SEM）对PNDEA接枝层表征结果表明，用不同接枝手段所制备的接枝膜具有不同的表面形貌。
The surface morphology of the samples was observed by SEM.
在扫描电镜下观察了接枝样品的表面形态。
The surface morphology measurement of the films was performed with SEM.
薄膜的表面形貌由扫描电子显微镜（SEM）测定。
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