查询词典 cathode current

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。

A hypothetical drained cell model retrofitted from a 160kA Hall-Heroult cell was set up to calculate the current distribution in the cathode when the anode bottom and cathode top surfaces were declivous. 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.

摘 要：将某厂现有的160kA Hall-Heroult铝电解槽改造成导流槽后，在阴极上表面和阳极底面呈斜坡状的条件下，计算了采用不同阴极导杆安装方式时阴极的电位和电流分布，即通过建立导流槽内部从阳极到阴极的一个半切片电热场模型，用有限元法分别对水平和平行于阴极斜坡两种不同导流槽阴极导杆的安装方式下阴极电位和表面电流密度分布进行了计算。

Influence of cathode current to the performance of oven magnetrons.

阴极发射电流对磁控管性能的影响。

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。

The of pulse frequency,cathode current density,SiC in bath,bath temperature on the SiC content in the coating were discussed.

讨论了脉冲频率、阴极电流密度、镀液中S iC含量、镀液温度对镀层中微粒含量的影响。

The influence of electrolyte composition,electrolysis temperature, cathode current density and feedrate on the production efficiency is discussed.

对电解氧化镨制取金属镨的小型试验和3000A电解槽的生产作了简要介绍，探讨了电解质组成、电解温度、阴极电流密度、加料速度对工业生产效果的影响。

The cathode current density and the fluid field relevant to the growth of electroforming layer is studied with numerical analysis to explore the inherent laws of micro-electroforming that is a key technology of UV-LIGA.

研究了LIGA/UV-LIGA的核心技术微电铸的内在规律，对影响铸层生长的阴极电流密度和流体流场进行了数值分析。

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。

The technology of Sargent has some problems,such as:low cathode current efficiency, bad throwing power and ability of covering,which brings harms to workers and circumstance pollution.

本工作研究的全硫酸盐体系三价铬镀铬基本上克服了上述缺点，镀液的分散能力、深镀能力好，电流效率高，所得镀层光亮度高。

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。