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图2 Cu在含不同浓度LNLP的0.5 mol/L H2SO4溶液中的Nyquist图和对应的Bode图

Fig.2 Nyquist (a, b), impedance module (c) and phase angle (d) plots of Cu in 0.5 mol/L H2SO4 with different concentrations of LNLP