阴极电流

These parameters include cathode current density, flow velocity of plating solution and thickness of galvanization coating.

摘 要：利用自制的模拟重力高速电镀槽，考察了在硫酸盐镀锌过程中，阴极电流密度、镀液流速、镀层厚度3个主要电镀工艺参数对所得锌层的粗糙度的影响。

The traditional chromium plating has carried through according to the technology of Sargent.

由于Sargent电镀铬工艺存在阴极电流效率低，分散能力和深镀能力差，以及六价铬离子带来的对操作工人身体的危害和严重的环境污染等问题，近年来发展了三价铬电镀工作。

The features of alkaline zincate system are good throwing power and ability of covering, the bath is not easy to corrode the equipment , but the current efficiency is low, the waste water is difficult to treat.

碱性锌酸盐镀液的特点是分散能力和覆盖能力较高，对设备的腐蚀性小，但是阴极电流效率较低，废水处理较困难。

The influences of plating process parameters, such as sulphamate concentration, electrolyte pH value and temperature, and pulse parameters, such as cathodal current density, pulse current frequency and duty cycle, on the micro-hardness of the nickel deposit has been studied by orthogonal experiments.

利用正交试验法分析研究了主盐氨基磺酸镍浓度、电镀过程工艺参数及脉冲参数（阴极电流密度、脉冲频率和占空比）对镀层显微硬度的影响；并对相关参数进行了优化。

It is concluded that the main influence factors on the micro-hardness of the nickel deposit are sulphamate concentration and electrolyte temperature. The most hard nickel deposit layer was obtained with sulphamate concentration 700g/L, cathodal current density 5A/dm2, pulse current frequency 800Hz, pulse current duty cycle 0.6, electrolyte pH value 4.0, electrolyte temperature 70℃.

试验结果表明：主盐浓度和镀液温度是影响镀层硬度的显著因素；当主盐氨基磺酸镍的浓度为700g/L，阴极电流密度为5A/dm2，脉冲频率为800Hz，占空比为0.6，镀液pH值取4.0，镀液温度为70℃时，可以制得显微硬度最高的镍镀层。

Ti-6Al-4V sheet specimens were cathodically charged at a constant current density 100 mA/cm^2 in 1N H2SO4 aqueous solution for various periods.

本研究探讨Ti-6Al-4V合金在1N硫酸水溶液中施以阴极电流密度100 mA/平方公分，进行不同时间之电解渗氢效果。

While chromium may stably exist in either the passive or active state, small amoullt additioll of palladium significantly increases the corrosion resistance of chromium plating in deaerated 5% and 20% sulfuric acid solutions in consequence of spontaneous passivation.

极化曲线和阻抗频谱测定表明，在相应铬镀层处于活化－钝化过渡的电位区间，含钯镀层都表现出净阴极电流；活化溶解与钝化过程随电位的相对发展变化可由低频段容抗圈的演变来推定。

The effect of suspended tungsten carbide particles, bath temperature and cathodic current densities on the content of tungsten carbide in the electrodeposits was studied, the preferred plating parameters were also optimized by orthogonal test.

分析了镀液中碳化钨微粒的悬浮量、镀液温度及阴极电流密度对镀层中碳化钨含量的影响，并进一步通过正交试验优选出一种较佳的操作条件。

Therefore, the cathode current density can be selected as a governing process parameter for the deposition of TiN coatings.

因此，本文提出在适当条件下，可以用阴极电流密度作为调控PCVD过程的主要工艺参量。

It is of great significance for main economic technical indexes to improve current efficiency, unit power consumption and reducing unit output ect to choose density of cathode current in designing electrolysis tank.

在电解槽型的设计过程中，如何合理选择阴极电流密度，对提高熔盐电解的电流效率、单位时间产量，降低单位电耗等主要技术经济指标具有十分重要的现实意义。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。