超微电极测试技术作为一种重要的测试技术，在超微电极上扩散速度快，电极表面电流密度高，测定的信噪比高，从而可提高测定的灵敏度。
The ultramicroelectrode possesses many advantages, such as rapid diffusing speed, high electrical current density, high signal-to-noise, accordingly, it can help to improve the detection sensitivity.
摘要通过测量表面覆铜的贮氢合金电极的交换电流密度，初步讨论了覆铜层对贮氢合金的电催化活性的影响。
By directly measuring the exchange current density, the effect of surface copper coating of metal negative electrodes on electrocatalytic activity were investigated.
当高电流密度引起电极上气体析出失控时，便会发生击穿。 气体的产生消耗电流引致泳透力下降，则不可能使隐蔽表面涂上漆。
Throwpower drops off as current is consumed in the production of gas and is not available to permit the covering of recessed areas.
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