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。

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The chemical compositions and microstructure of materials intensively influence the strength of MAE.

材料的化学成份，显微组织等强烈影响磁声发射强度。

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Microanalysis: analyzing the microstructural aspects, micro-constitution and microstructure of materials.

微区分析：对材料的微观形貌、微区成分、微区结构进行分析。

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Often, when models for buildings are developed, material resistance to blast pressure and fire are unknown, as is the lifetime of materials, microstructure and stresses.

FORBES: Young Juvenile Makes An Explosive With Baby Powder And Other Tales From The URI Explosives Lab