The structures of films were studied by IR and SEM.
由红外光谱和扫描电镜研究了复合膜的结构。
The phase structure and microstructure of materials were study by XRD, IR and SEM.
采用XRD、IR及SEM等方法研究材料的相组成与显微结构。
The structure transformation of rice husk during the aerogel preparation was investigated by XRD, IR and SEM.
并利用XRD、IR和SEM研究了稻壳在制备气凝胶过程中的结构变化。
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