电流效率

通过实验研究了溶液pH值对钾盐镀锌液的阴极电流效率、分散能力、镀锌层的外观的影响。

Effect of pH value on cathode current efficiency , dispersibility and so on was studied in this paper .

通过研究电沉积过程中影响Fe靶层质量、电流效率的各种因素，确定了最佳工艺条件。

The optimal process is determined by the research of parameters that effect the properties of the target layer and the current efficiency .

揭示了原料、电极材料和电解工艺参数对Na3A1F6-SiO2熔盐中电解提取Si的电流效率和产物纯度的影响规律。

The influence law of electrolysis parameters , electrolysis cell and electrodes materials on current efficiency of electrowinning and purity of deposits is revealed .

结果表明，高温下Al阳极电流效率普遍下降，腐蚀变得不均匀；

The result shows that the current effiency of anodes has the common tendency to decrease and the surface dissolution characteristics becomes uneven with the temperature increasing .

同时，考察了和Zn￣（2＋）加入以及pH值对电流效率的影响。

The effects of adding some ions , such as and Zn ￣ _ ( 2 + ), and pH on current efficiency have been studied .

废水的原始COD越高，法拉第电流效率就越高，最大电耗就越小。

Higher the original COD in wastewater is , higher the Faradic current efficiency is , whereas smaller the maximum electrical consumption is .

介绍了硫酸盐型亚光纯锡电镀工艺，并就该工艺在PCB上应用时各工艺参数如电流效率、添加剂工艺配方等影响进行了讨论。

Sulfate satin pure tin plating process is introduced , plating parameters ( current efficiency , formula of additive ) in used of PCB are discussed .

CO2气体传感技术与测定铝电解槽电流效率相联系，是一种新的节能增产的技术方案。

The application of CO 2 sensing technique to measurement of current efficiency of an Al electrolytic tank is a new technical scheme for energy saving and capacity increasing .

实验过程中电流效率最高可以达到99.9%，最低的能耗仅1.43kWhkg-1。

The highest current efficiency can reach 99.9 % , and the lowest energy consumption is 1.43 kWh kg-1 .

结合两步槽压电解法，我们得到了目前生产氧含量低于2000ppm的金属Ti可以达到的最高的电流效率和最低的能耗。

Together with the concept of two-voltage electrolysis , this study achieved the highest process efficiency and lowest energy consumption to produce Ti metal with oxygen content reaching below 2000 ppm .

研究了添加剂对阴极过电位、电流效率、镀层中Co含量、镀层的相结构、晶粒尺寸、表面形貌及显微硬度、软磁性能等影响。

Influence of additive on cathodic overpotential , current efficiency , the Co content , phase microstructure , grain size , microhardness , soft magnetic performance and surface morphology of deposits were also investigated .

从电流效率、沉积速度及锡镀层表面的扫描电镜等方面，对比了不同pH值、温度、电流密度以及锡镀液中掺杂Cu2+、Ni2+后对锡镀层结构和性能的影响。

, . By means of current efficiency , deposition rate and SEM analyses , the effect of different pH value , temperature , current density and Cu2 + and Ni2 + on tin coating structure and performance were also examined .

通过掺杂Ni、La、Bi氧化物对二氧化铅阳极进行了改性，以提高电解效率和电流效率，试验表明Ni氧化物掺杂效果最好，La氧化物掺杂效果次之，Bi氧化物掺杂效果最差。

PbO_2 anode was modified by oxides of Ni or by La or by Bi respectively in order to improve efficiency of electrolysis . The result of experiment shows that Ni-doped electrode is better than others .

利用空气中的氧电化学合成H2O2，制备具有较高电流效率的空气电极。

The carbon-PTFE O 2 ( air ) - Fed cathode with a high current efficiency was prepared on which H 2O 2 was electro-generated by using O 2 in air .

该阳极的特点是EMD质量高，产量大，槽电压低，电流效率高，使用寿命长。

It can be characterized by a higher quality and yield of EMD by this composite anode , lower bath voltage , higher coeffecient of current and longer life time .

温度为500℃WS一时，NO的转化率为15.3%，选择性因子口达到13.4，相当于分解NO的电流效率10刀%。

At 500 ℃, the NO conversion reaches to 15.3 % with the NO decomposition parameter a 13.4 , which corresponds to the current efficiency 10.0 % .

实验室电解试验获得了含Fe仅13%的优质Nd-Fe合金，69%的合金电流效率（按纯Nd计为60%），Nd直收率大于90%。

High-quality Nd-Fe alloy containing only 13 % Fe was prepared in laboratory . The current efficiency of alloy reached as high as 69 % . The recovery of neodymium was always more than 90 % .

本文研究了低温氯化物熔盐体系中，在不锈钢板上电镀Al-Ni合金的电镀工艺，讨论了工艺参数对电镀Al-Ni合金的沉积速率、镀层组成、电流效率等的影响。

The process parameters ' effects on the deposit-ion rate , the coating composition and the current efficiency of Al-Ni alloy coating were discussed .

在石墨阴极上，H＋、Fe（Ⅲ）与Pb2＋共同还原是难以避免的，而在铅阴极上则可避免H＋的同时还原，可获得更高的铅沉积的电流效率。

The coreduction of H + , Fe3 + and Pb2 + on graphite cathode is unavoidable , but the coreduction of H + on lead cathode is avoidable , so higher current efficient of lead deposition can be obtained by using lead cathode .

通过对固化温度、相对湿度两种重要参数的控制，考察了不同固化工艺对铅酸蓄电池的化成电流效率、活性物质利用率及其对Peukert方程中n值和k值的影响。

Controling of two important parameters involved curing temperature and relative humidity , the influence of several curing technology on formation current efficiency , the utilization of active masses and n , k of the Peukert equation were studied .

用钌钛金属阳极在含有Cl和Br－离子的酸性溶液中进行电解氧化联二脲制备偶氮二甲酰胺，获得产品得率为9398%、纯度为99.6%、电流效率为88－92%。

Azodicarbonamide has been prepared by the electrolytic oxidation of biurea in an acid solution of Cl-and Br - with a high purity of 99.6 % . The Yield is 93-98 % and the current effeciency is 88-92 % .

OH自由基、H2O2以及V5+协同作用将有机物氧化到目标产物，使得反应的电流效率和选择性大大提高；

More , the ? OH free radicals and H2O2 produced by the oxygen electroreduction , and V5 + work together , oxidizing the organic compounds to the target products , through which the current efficiency and selectivity in the reaction is drastically raised .

160kA预焙铝电解槽区域电流效率

Zone current efficiency in 160 kA prebake aluminum electrolysis cell

导出了包括氧化铝中-αAl2O3含量、电流效率、电解温度和室温四变量在内的碳阳极铝电解的理论能耗和理论能耗电压计算公式。

An equation to calculate the theoretical energy consumption and theoretical energy consumption voltage was presented in this paper . It is a function of α - Al_2O_3 fraction in alumina , electrolysis temperature , current efficiency and ambient temperature .

在12h的处理过程中的平均电流效率为60.36%，处理每吨0.002mol/L苯酚废水耗能6.96kwh，能耗和处理成本较电催化氧化法有较大下降。

During the treatment the average current efficiency was 60.36 % and power consumption was 6.96 kwh / t , which showed a great decline in power consumption and treatment cost comparing with electrocatalysis treatment .

铁离子配合剂ZFC及添加剂ZFA的加入，使阴极电流效率降低。

Addition of complexing agent Fe2 + ( ZFC ) and additive ZFA will reduce the current efficiency .

CREDI目前存在的问题是电流效率低以及膜面沉淀污染严重。

The existing problem for the CREDI is the low current efficiency and the precipitation of metal hydroxides .

Zn价电子已满，含有孤对电子的硫族化合物不能在其表面发生化学吸附，故抑氢剂对纯Zn电镀的阴极电流效率影响不大。

However , the hydrogen inhibitor had little effect on the cathodic current efficiency of Zn electrodeposition , because in this case the S species with lone-pair electrons in the inhibitor was hard to be chemically adsorbed on the surface of Zn with fully-occupied outer valence electron orbit .

直接电氧化法多采用Pt、PbO2和PbO2/Ti为阳极，Pb和Ni为阴极，离子交换膜为隔膜，电流效率可达70%。

In the direct electrochemical oxidation synthesis methods of nicotinic acid with Pt , PbO_2 , PbO_2 / Ti as anode , with Pb , Ni as cathode and with ion exchanging membrane as separated materials , the current efficiency is 70 % .

经300h连续实验证明，槽电压稳定在375V左右，平均电流效率稳定，平均槽压波动极小，阳极未发现明显腐蚀现象。

The average current efficiency and average trough voltage were stable and the anode was stable too after 300 h of electrolysis .