Highly ordered porous anodic alumina template was prepared by twice anodic oxidation in acidulous electrolyte, and its morphology was observed by metallographic microscopy.
在酸性电解液中，用二次阳极氧化法制备得到了高度有序的多孔阳极氧化铝模板。
Purity steel containing La was investigated by means of metallographic analysis and transmission electron microscopy (JEM2010).
采用金相法和JEM2010电镜研究了含镧高纯钢的相变。
ABSTRACT: Cracks on the disc spring parts and raw materials, using metallographic examination, chemical analysis, hardness testing, scanning electron microscopy by means of a comprehensive analysis.
摘要：对碟形弹簧裂纹件和原材料，采用金相检验、化学分析、硬度试验、扫描电镜等手段进行综合分析。
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