阴极电流

Under the current density, the current efficiency is higher than 99％.

在此电流密度下，测定的阴极电流效率大于99％。

IR and UV-vis were used for qualitative analysis and the ultraviolet spectrophotometric method was used for quantitative determination.

并讨论了温度及阴极电流密度对邻甲苯甲酸产率和电流效率的影响。

According to the results of H. Vogt about the relationship between current density and cathode potential, the cathode current density of 3000A/m〓 is determined.

根据H.Vogt对电流密度和阴极电位关系的研究结果，选择电沉积铜的阴极电流密度为3000A／m〓。

The factors that affected the degradation rate of methyl red are discussed, including the concentration of methyl red, the kind of electrolyte, the concentration of sodium bromide, the anodic current density, the material of electrode, the cathodic current density and the flow rate of oxygen at the catholyte.

探讨甲基红浓度、电解质种类、电解质浓度、阳极电流密度、电极材料、阴极电流密度与阴极室氧气流量等因表对甲基红电分解的影响。

In this paper,surface line-charge method was taken to calculate the magnetic distribution in a 160kA large prebake anode aluminum reduction cell in Guizhou Aluminum Smelter.

应用表面磁荷法对贵州铝厂 16 0kA大型预焙阳极铝电解槽的磁场进行了计算，通过对电流分布均匀情况下和考虑了实际电流分布情况下的电解槽磁场的比较，可以看出，阳极和阴极电流分布对铝电解槽磁场分布具有绝对的影响，只有在考虑了阳极和阴极电流实际分布的情况下，才能准确地计算出铝电解槽的实际磁场分布。

The properties of the plating bath and the coating quality are investigated based on hull-trough test and electrochemical tests.The results show that the stability of electrolytic solution is increased,with addition of(NH_4)_3C_6H_5O_7 and the current efficiency ranges of the cathode are extended greatly to 0.11～1.54A/dm~2.Further,the current efficiency...

结果表明：柠檬酸铵的加入可提高镀液稳定性，增大阴极极化作用，可使阴极电流密度范围扩宽到0.11~1.54A/dm2，阴极电流效率高达95.6%，所得镀层细致、均匀、结合力好，为取代氰化镀铜提供了新思路。

In this condition, the impedance between the cathode and the supply voltage determines the cathode current; the cathode current can range from 50 μA to 100 mA.

在这种情况下，阴极和电源之间的阻抗决定阴极电流；阴极电流在50μA至100mA范围内。

Dependence between cathode current density and distance from certain point to cathode close point can be deduced as

比较了本文所推导的Hull Cell阴极电流分布公式与传统的Hull Cell阴极电流分布公式的可靠性。

The adhesion of the obtained alloy coating to substrate is very good, the cathode current efficiency of the electrolyte is up to 90 percent.

合金镀层与基体结合力好，镀液的阴极电流效率可达到90%以上，光亮电流密度范围宽，镀液稳定，易维护。

Cladding silver with tiny crystal grain and bright surface can be gained in the condition of plating solution with about 25℃,PH9.0, cathode current density between 0.3 and 0.4A·dm-2 .Uniform foamed silver can be made by burning in the temperature of 600℃and reduction sinter in the temperature of between 800 and 850℃in electrodeposited polyurethane.

研究了PH值、温度、时间、阴极电流密度等对电沉积银质量的影响，结果表明：电镀液温度为25℃左右，PH值为9.0左右，阴极电流密度为0.3～0.4A·dm~(-2)，可获得晶粒细小、表面光亮的银镀层。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。