Surface morphology and composition analysis of the failure emitter of hollow cathode were characterized by using FESEM and EDS.
利用场发射扫描电镜(FESEM)及其附带能谱仪研究了失效空心阴极发射体的表面形貌、元素组成。
The morphology of laser cladding layer was observed by SEM, composition analysis was applied by EDS, and the phase transformation was characterized by XRD.
对激光熔覆层用扫描电境（SEM）进行形貌观察，并进行能谱成分分析，用XRD进行合金物相的表征。
A analysis was focused on the chemical composition, morphology and surface characterization of both wheat straw fiber and wood fiber.
本研究从化学组分、纤维形态和表面性质三方面分析比较了麦秆纤维与木材纤维。
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