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. Potentiodynamic polarization and cyclic voltammogram and AC impedance spectroscopy were applied to study the electrochemical behavior of copper electrodes passivated by inhibitors and their complex. The results... inhibitors on copper is observed. SEM images are used to show the synergistic effect directly. Key words: benzotriazole; 2-mercaptobenzothiazole; synergistic effect; AC impedance spectroscopy 通常铜及其合金表面需要进......
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. The possibility of using modified aluminum tri-polyphosphate as an anticorrosive pigment was also investigated by electrochemical impedance spectroscopy. The resistance of the coatings with modified aluminum tri...-polyphosphate; waste processing; electrochemical impedance spectroscopy 1 Introduction Classical anticorrosive paints normally contain inhibitors based on hexavalent chromium or lead compounds......
Characterization of CuO Species and Thermal Solid-Solid Interaction in CuO/CeO2-Al2O3 Catalyst by In-Situ XRD, Raman Spectroscopy and TPR Luo Mengfei1,He Mai1,Fang Ping1 (1.Zhejiang Key Laboratory... in CuO/CeO2-Al2O3 catalyst prepared by an impregnation method were characterized by in-situ XRD, Raman spectroscopy and H2-TPR techniques.For the catalyst calcined at 300 ℃, two kinds of CuO species......
Infrared spectroscopy analyses of air-CH4 or air-CO gas flows interacting with polycrystalline CeO2, La2O3 and Lu2O3 oxidesBahcine BAKIZ1,2,Lamia BOURJA1,2,Abdeljalil BENLHACHEMI22. Laboratory... and Lu2O3 rare earth oxides was performed using Fourier transform infrared spectroscopy analyses of CO2 gas resulted from the conversion of CH4 or CO gases. Polycrystalline samples of CeO2, La2O3 and Lu2O3......
Infrared spectroscopy analyses of air-CH4 or air-CO gas flows interacting with polycrystalline CeO2, La2O3 and Lu2O3 oxidesBahcine BAKIZ1,2,Lamia BOURJA1,2,Abdeljalil BENLHACHEMI22. Laboratory... and Lu2O3 rare earth oxides was performed using Fourier transform infrared spectroscopy analyses of CO2 gas resulted from the conversion of CH4 or CO gases. Polycrystalline samples of CeO2, La2O3 and Lu2O3......
, and their electrochemical performances were investigated by means of galvanostatic charge-discharge, cyclic voltammetry and electrochemical impedance spectroscopy (EIS). The SEM results show that the samples... potentials and discharge capacities. Key words: manganese dioxide; surface modification; cyclic voltammetry; electrochemical impedance spectroscopy CLC number: TM911 Document code: A 1 ......
of jamesonite is also dependent on the pulp potential. The potential-pH range for jamesonite flotation is established. The FTIR spectroscopy analysis shows that the major adsorption product of sodium... are correlated with the pulp potential.
Key words: jamesonite; flotation behavior; floatability diethyldithiocarbamate; electrochemical flotation; FTIR spectroscopy
and electrochemical impedance spectroscopy (EIS). The results show that the morphology of Ni-TiN composite film is sensitively dependent on the electroplating current density, TiN nanoparticle... more resistant to corrosion than pure Ni coatings.
Key words: Ni-TiN nanocomposite film; electrodeposition; electrochemical impedance spectroscopy
1 Introduction
The excellent properties......Electrodeposition and corrosion behavior of nanostructured Ni-TiN composite films
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来源: 《中国有色金属学报(英文版)2011年第10期》——朱旭蓓 蔡超 郑国渠 张昭 李劲风
STUDY ON COMPLEX IMPEDANCE SPECTROSCOPY OF CU-IMPLANTED SEMICONDUCTING(Bao·72Pbo·28)TiO3 CERAMICS吴建锋摘 要:<正> The ac impedance of Nb-doped semicon... to the change of impedance spectroscopy and the equivalent circuit model of semiconducting(Ba, Pb)TiO3 ceramics, the dependence of resistance of bulk and grain-boundary on temperature was analyzed. The results......