Highly ordered porous anodic alumina template was prepared by twice anodic oxidation in acidulous electrolyte, and its morphology was observed by metallographicmicroscopy.
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。
2
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。
3
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.