阴极电解液

According to the characteristics of high-nickel copper cathode electrolyzation,an analysis is made on the factors of the electrolyte that impacts the surface quality of tough cathode ,and some suggestions are put forward for improving the quality of tough cathode .

针对高镍铜阳极电解的特点，分析研究了电解液对阴极铜质量产生影响的因素，提出了改善阴极铜质量的有关建

As a result, to chang the current density, pH have huge influence on cathodal overvoltage, to alter electrolyte concentration have little influence on cathodal overvoltage, and to chang the overvoltage will change the dimension of the powder directly.

结果表明：电流密度、pH值的改变对阴极过电位影响显著，电解液浓度的改变对阴极过电位无显著影响；而过电位的变化直接引起粉体粒径的变化；在阴极过电位高的条件下。

The catholyte in the catholyte reservoir is transported into the cathode chamber by gravity.

阴极电解液储存器中的阴极电解液靠重力输送到阴极室内。

A catholyte reservoir (76) external to the cathode chamber supplies catholyte (40) to and removes gases (73) from the cathode chamber.

设置在阴极室外部的阴极电解液储存器（76）向阴极室供应阴极电解液（40）并从阴极室排出气体（73）。

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。

In this process, the electrolylic bath with cationic exchange membrance and leas electrode is used. The cathode liquor is oxalic acid, the anode liquor is diluted sulfuric acid. The process above has following advantages with high yield, top quality, lower cost, no "three wastes" pollution, and no oxalic aldehyde in the product. It is a cleaner and environment-friend technology, and is a development trend for production of glyoxalic acid. Complete analytical process for raw materials, intermediate and final products were established.

本论文通过对乙醛酸合成路线的研究，确定了草酸电解法制乙醛酸的工艺路线，此法采用装有阳离子交换隔膜和铅电极的电解槽，阴极电解液为草酸溶液，阳极电解液为稀硫酸，该工艺具有产品收率高、质量好、成本低、无三废污染、产品中无乙二醛等特点，是一条清洁、绿色工艺，是生产乙醛酸的主要发展方向。

In the hydrometallurgical process of zinc, the fluctuation of impurities concentration in the electrolyte has a serious influence on technical parameters.

阐述了湿法炼锌过程中，由于电解液中杂质的波动对锌电积过程主要技术经济指标产生的严重影响，分析了金属杂质、骨胶浓度与阴极过电位和电流效率的关系，提出了利用阴极过电位对锌电积最佳添加剂浓度及新液质量的控制方法。

Effects of water,low-concentration calcium lignosulphonate and nitric acid pretreatments on electrokinetic processes of electroplating sludge were investigated.

以风干电镀污泥为电动处理试验材料，水为阳极电解液，柠檬酸-柠檬酸铵缓冲液为阴极电解液，施加25 V直流电压条件下电动运行5 d，研究了水、低浓度木钙和硝酸等预处理对电镀污泥电动过程的影响。

More appropriate electrochemistry reacts the condition is:訧 R-Ta/Ti is positive pole, electric stone Chinese ink board is zincous electrolyte for L-1 H2SO4 of cathode;4mol ·, l-1 H2SO4 of · of 2mol · L-1 VOSO4-2mol mixes solution to be cathode electrolyte, electroanalysis at 1A 6h.

较适宜的电化学反应条件为：以Ir-Ta/Ti为阳极，导电石墨板为阴极；4mol·L-1 H2SO4为阳极电解液，2mol·L-1 VOSO4-2mol·L-1 H2SO4混合溶液为阴极电解液，于1A电解6h。

The invention discloses an electrochemical method for preparing a hydroxylapatite particle thin coating on the surface of a metal implant, which comprises the following steps: electrolyte is put into a container equipped with a constant temperature heating system and heated to be 30 DEG C to 95 DEG C, and then the temperature is kept; platinum is taken as the anode and evenly distributed around the container, and the metal implant is taken as the cathode, put in the middle of the container and totally soaked in the electrolyte; DC voltage of 2V to 4V is added between the anode and the cathode, the surface of the metal implant has cathode reduction reaction, the pH value is increased and the supersaturation degree of the hydroxylapatite is also increased, so as to crystalize on the surface of titanium; after 0.5h to 5h of deposition, a layer of hydroxylapatite particle thin coating which can be excellently adhered to the matrix metal is formed on the surface of the implant.

本发明公开了一种在金属植入体表面制备羟基磷灰石颗粒薄涂层的电化学方法，在装备了恒温加热系统的容器中装入电解液，并将电解液加热到30～95℃恒温；将铂作为阳极均匀分布在容器四周，金属植入体作为阴极置于容器中间，完全浸没在电解液中，两极之间加直流电压2～4V，金属植入体表面发生阴极还原反应，pH值升高，羟基磷灰石过饱和度增加，从而结晶在钛金属表面；经过0.5～5小时沉积后，在植入体表面即可形成一层与基体金属结合优良的、薄的羟基磷灰石颗粒薄涂层。

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。