Under the experiment conditions, the crystal structure of the as-prepared ultra-fine metallic powders is almost the same as that of the bulk metal without obvious oxidation.
用蒸发凝聚法制备的金属超微粉末的晶体结构与大块材料的晶体结构基本一致，氧化物含量少。
2
It has been demonstrated that the photoacoustic spectroscopy is suitable for the study of finestructure, forbidden transition and ultra analysis of rare earths.