研究表明：明胶能增大阴极过电位，能提高阴极电流效率，提高电解液的比电阻。
The study shows that gelatin can increase cathodic superpotential, cathodic current efficiency and specific resistance.
极限电流密度的增大使阴极过电位增大，从而提高合金的形核速率，使沉积层晶粒的尺寸减小、显微硬度升高。
At the same time, the increase of over-potential results in the nucleating rate and the micro-hardness of deposits increasing, while the grain size deposits decreasing.
阴极极化：直流电通过电极时，阴极电位偏离平衡电位向负的方向移动的现象。
The cathode polarization: dc through electrode, the cathode potential deviating from the balance to the negative potential moves in the direction of the phenomenon.
从电化学理论上讨论了阴极、阳极过电位与电流密度的关系。
The authors discussed the relationship that the overvoltage of cathode and anode are varied with the current density in terms ofthe electrochemistry.
阴极极化：直流电通过电极时，阴极电位偏离平衡电位向负的方向移动的现象。
The polarization: when the current through the electrode, electrode potential happen from the phenomenon of balance potential.
阴极极化：直流电通过电极时，阴极电位偏离平衡电位向负的方向移动的现象。
The polarization: when the current through the electrode, electrode potential happen from the phenomenon of balance potential.
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