5 mol /L Na2CO3 buffer solution was studied by using capacitance measurement and electrochemical impedance spectroscopy(EIS) .
利用电容测试法和电化学阻抗谱技术研究了稀土Ce对Fe-3Cr合金在1mol/L NaHCO3+0。
The diffusivity of point defects in the passive film formed on X80 pipeline steel in simulated soil environment was calculated by means of capacitance measurement and point defect model(PDM).
应用电容测试法并借助于点缺陷模型(PDM)计算了X80管线钢在模拟土壤环境中所形成的钝化膜内点缺陷的扩散系数,利用实验测得钝化膜的稳态电流和采用PDM对计算结果进行了验证。