运用XRD和SEM技术表征了膜的晶相和形貌。
The membranes were characterized by using XRD and SEM techniques.
众所周知，材料的粒径和形貌对它们的性能有很大影响。
The particle size and morphology of materials known to have a great impact on their performance.
大气降尘矿物成分和形貌特征是判别污染物来源的重要标志。
The mineral composition and morphology of atmospheric dust fall serve as important criteria in identifying pollution sources.
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