简介 阴极的电极电位。它随流过电极的电流密度而变化，电流密度增大，阴极电位向负方向移动。
镀锌处理对铝合金牺牲阳极电化学性能的影响 关键词：铝合金牺牲阳极；电镀锌；电偶电流；阴极电位 [gap=1214]Key words：A1 alloy-based sacrificial anode；galvanizing；couple current；cathode potential
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阴极电位降空间 cathode fall space
阴极电位稳定管 cathode potential stabilized tube ; CPS
反常阴极电位降 abnormal cathode fall
阴极电位调节器 cathode potential regulator
阴极电位降 cathode fall
阴极电位稳定 cathode potential stabilization
栅极一阴极电位 UGK
异常阴极电位降 [电子] abnormal cathode fall
等电位阴极 [电] [电子] equipotential cathode ; unipotential cathode ; EPC Equipotential Cathode
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.
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.
随着阴极电位降低，不断增加的氢影响裂纹萌生和扩展，应力腐蚀敏感性随外加电位的降低而增大。
When the cathodic potential decreases, more and more hydrogen affects the initiation and growth of crack. The SCC susceptibility increases with the decreasing of cathodic potential.
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