在成膜三阶段基础上提出了稀土转化膜的成膜模型；同时给出各阶段阻抗谱图等效电路及其阻抗表达式。
Based on the three stages the film formation model was proposed, meanwhile, the EIS equivalent circuit and the impedance expressions in different stages were also presented.
直到最近，一些先进表征技术在成膜扩散研究中的应用，使得成膜过程的第三阶段研究受到人们越来越广泛的关注。
Recently, the third step is becoming more and more concerned thanks to the application of a number of advanced technologies in characterization of diffusion study in film - forming process.
用扫描电镜(SEM)分析了亚磷酸三苯酯在A3钢表面所成膜的微观形貌特征。
Micromorphology analysis by SEM is performed on the film of triphenyl phosphite formed on A3 steel.
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