阴极电流

The results show that, there is no obvious variation of the influence of different collector bar installations on the cathode potential drop, but the current distribution will be relatively evener when the cathode collector bar is horizontally installed.

结果表明，不同的阴极导杆安装方法对导流槽阴极的总电位降大小没有明显影响，但是水平阴极导杆安装更有利于阴极表面电流密度的均匀分布。

Large current glow discharge has a strong tendency to transform to arc discharge. This paper focuses our attention on the factors affecting the stability of large current hot cathode glow discharge. The research results show that the cathode temperature, the cathode surface state and the size and place disposition between cathode and anode have influences on the stability of glow discharge, respectively.

大电流辉光放电具有较强的向弧光放电转化趋势，本文研究了影响大电流热阴极辉光放电稳定工作的因素，结果表明，阴极温度、表面形貌、阴阳极位置和尺寸配置关系等对辉光放电的稳定性均有不同程度的影响。

The key difference between hot cathode glow discharge and conventional cold cathode glow discharge is that the cathode is in a hot state with the temperature about 700～1600℃ in a hot cathode glow discharge.

热阴极直流辉光放电区别于常规冷阴极辉光放电的关键之处在于，在辉光放电过程中，阴极处于700-1600℃的"热"状态，并且放电电流大，工作气压高。

The TCC was still good and in integrity after 12h of electrolysis. The TCC technology was successfully applied to two of 160kA prebake cells in Pingguo Aluminum Company. It was shown that no tear-off of TCC was indicated after starting up of the cells. The operation of coating cells was improved to keep good shape of cell chamber, reduce the formation of sludge on the cell bottom, and gain more uniform current distribution.

将TiB〓阴极涂层技术在160kA大型预焙槽进行了应用，并考核了涂层槽的指标，结果显示，焙烧启动后，TiB〓阴极涂层不脱落，涂层槽的工作状态良好，炉膛规整，炉底干净，电流分布均匀；与对比槽比较，阴极内衬对钠的吸收减少，钠渗透速率减缓，炉底压降降低（平均降低39mV），电流效率提高（平均提高0.41％）；涂层的寿命为38个月。

The properties of TCC with ATS were as good as the TCC with HTS, better that the requirement of standard GB8744-88 for semi-graphitic carbon block. As good as TCC with HTS in industrial cells, the TCC with ATS also reduces the sodium penetration to cathodic lining, no tear-off of the coating was found after starting up of the cells. As compared with reference cells, the operation of coating cells with ATS was also improved to keep good shape of cell chamber, reduce the formation of sludge on the cell bottom, and gain more uniform current distribution. The ohmic drop of TCC cell bottom was lessened by 11. 5mV. The current efficiency was increased by about 1. 48% in average. It was estimated that the TCC life could be 44 months. Obviously, the TCC with ATS could also improve the performance of industrial cells, save energy, and increase the cell life.

对常温固化涂层槽的考核表明，与高温固化涂层槽一样，阴极内衬对钠的吸收减少，钠渗透速度减缓，从而减小钠膨胀危害，减少了铝电解槽早期破损的几率；启动后，常温固化涂层不脱落，同样具有良好的粘接性能；与对比槽相比较，常温固化涂层槽正常生产后，阴极表面干净、光洁，无沉淀或结壳，炉膛规整，阴极、阳极电流分布均匀，炉底压降降低（平均降低11.5mV），电流效率提高（平均提高1.48％）；涂层在电解槽内存在的时间可达到44个月以上；常温固化涂层同样可以起到改善电解槽工作状态、节能降耗、延长槽寿命的作用。

The properties of TCC with ATS were as good as the TCC with HTS, better that the requirement of standard GB8744-88 for semi-graphitic carbon block.AbstractAs good as TCC with HTS in industrial cells, the TCC with ATS also reduces the sodium penetration to cathodic lining, no tear-off of the coating was found after starting up of the cells.As compared with reference cells, the operation of coating cells with ATS was also improved to keep good shape of cell chamber, reduce the formation of sludge on the cell bottom, and gain more uniform current distribution. The ohmic drop of TCC cell bottom was lessened by ll.SmV. The current efficiency was increased by about 1 .48% in average. It was estimated that the TCC life could be 44 months.Obvi

对常温固化涂层槽的考核表明，与高温固化涂层槽一样，阴极内衬对钠的吸收减少，钠渗透速度减缓，从而减小钠膨胀危害，减少了博士学位论文摘要铝电解槽早期破损的几率；启动后，常温固化涂层不脱落，同样具有良好的粘接性能；与对比槽相比较，常温固化涂层槽正常生产后，阴极表面干净、光洁，无沉淀或结壳，炉膛规整，阴极、阳极电流分布均匀，炉底压降降低(平均降低11.smv)，电流效率提高(平均提高1.48%)；涂层在电解槽内存在的时间可达到44个月以上；常温固化涂层同样可以起到改善电解槽工作状态、节能降耗、延长槽寿命的作用。

The deposition speed of Fe powder was mainly influenced by current ,initial catholyte pH and mol-ratio of Fe and EDTA.

实验结果表明，电流、阴极电解液初始pH值和Fe/EDTA摩尔比对粉末铁析出速率影响较大，粉末铁电解析出的适宜条件是电解电流为1.0 A、阴极电解液初始pH值为5.6、阴极电解液Fe/EDTA摩尔比足够高。

Through the analysis of the alloy electroplating solution in gradients, the process variables and their relationship between content of manganese in the alloy coating, the optimum process has been obtained, the additive to improve the cathode current efficiency was found; it was found that the deposits with a manganese content 40～60% exhibit excellent corrosion resistance; the corrosion resistance of zinc-manganese alloy coating will be even better after"phosphated"and passivated.

研究发现Na〓SeO〓能显著提高锌锰合金电沉积电流效率。首次用循环伏安法、恒电势电解法、恒电流阶跃法研究了Na〓SeO〓提高电流效率的作用机理。研究发现Na〓SeO〓在锌锰共沉积的条件下在阴极是分两步还原，即：首先在-0.9V处被还原为单质硒，然后在-1.25V处被还原为多硒阴离子。证明了多硒和多硒阴离子都在阴极存在特性吸附

Two half anode cathode slice thermo electrical models with the collector bars installed slopingly or horizontally were adopted to calculate the potential drop and electricity distribution of the cathode .

结果表明，不同的阴极导杆安装方法对导流槽阴极的总电位降大小没有明显影响，但是水平阴极导杆安装更有利于阴极表面电流密度的均匀分布。

It is advisable to decrease the humidifying level of anode gas when operating at high current density to avoid two-phase flow in cathode so as to improve mass transfer.

故PEMFC在小电流密度工作时，应该使阳极气体充分增湿；而在大电流密度工作时，应该适当降低阳极的增湿程度以降低阴极两相流的机会，从而改善阴极的传质状况。

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。