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- The anodic oxidation reactions of butynediol and propiolic alcohol in the bright nickel electroplating were studied using ultraviolet spectrophotometry. 采用紫外分光光度法研究了丁炔二醇和丙炔醇在光亮镀镍过程中的阳极氧化反应,以期进一步认识添加剂在电镀过程中的作用机理。
- Moreover, it was feasible to reduce the oxidation of the alkynol brighter by choosing active nickel as the anode in the bright nickel electroplating. 选择活性镍作为光亮镀镍阳极，可以减少炔醇类光亮剂的氧化。
- Purifying Treatment of Bright Nickel Electroplating Bath Solution 光亮镍镀液污染的净化处理
- Anodic Electrochemical Reaction of Alkynol Additives in Bright Nickel Electroplating 炔醇类添加剂在光亮镀镍液中的阳极电化学反应
- Keywords bright nickel electroplating;butynediol;propiolic alcohol;anode;oxidation reaction; 光亮镀镍;丁炔二醇;丙炔醇;阳极;氧化反应;
- bright nickel electroplating 光亮镀镍
- At the first electroless nickel and then electroplating bright nickel in the tumbler bath was proceeded. 首先,采用化学镀镍;其次,进行滚镀亮镍。
- The separation of rinse water of nickel electroplating with TFC?-S nano-filtration membrane was studied. 本文介绍了TFC?-S型纳滤膜分离电镀镍漂洗水的试验研究,讨论了温度、操作压力、浓差极化、共存离子对膜分离性能的影响。
- Dingy spot of deposit defect appeared frequently in nickel electroplating auto line. The causes of dingy spot deposit and its solution were presented. 自动线镀镍时经常出现“暗黑斑点”的镀层缺陷,本文介绍了“暗黑斑点”的产生原因及解决办法。
- Causes and solutions for pinholes and hard spots in nickel electroplating were discussed, and preventive measures were presented. 分析了镍镀层出现针孔与麻点的原因并提出了解决方法。
- Automatic nickel electroplating process and operating conditions of neodymium-iron-boron permanent magnet were also set up. 同时确定了钕铁硼永磁体电镀镍自动线工艺流程及工艺规范。
- Electroplated layers with bright nickel and rare earths added-bright nickel were fabricated. 分别制备了亮镍和添加稀土的电镀结合剂镀层。
- In the early days copper was normally followed by a relatively thin bright nickel layer with conventional chromium topcoat. 早期，涂覆铜层之后，再涂一薄层光亮镍，然后传统的铬层位于最外层。
- Investigations were made on the semi-bright nickel plating additive DN-2, bright nickel plating additive BN-3 and the properties of Composite coatings. 研究了新型半光亮镍添加剂DN-2,光亮镍添加剂BN-3及组合镀层的性能,并与美国Udylite公司、M &T公司及英国Canning公司同类产品进行了对比。
- The experimental results suggest that the bonding strength of nickel-lanthanum electrodeposits is higher than that of bright nickel. 实验结果，镍-镧镀层与基体的结合强度高于亮镍镀层与基体的结合强度。
- The component data of pearl nickel, bright nickel , acidic copper and brass plating solution in production were analyzed when the best result of the plating deposit obtained . 为了获得电镀的最佳结果,在生产中对珍珠镍、光亮镍、酸性铜和黄铜四种镀液的成分参数进行了统计分析。
- The process formula of acid bright copper plating,acid bright nickel plating,(silver) plating and various colour gold plating on fresh flowers were presented. 并给出了鲜花上酸性光亮镀铜、酸性光亮镀镍、镀银以及镀各种彩色金的工艺配方。
- Spectrophotometric determination of cobalt in bright nickel plating bath was advanced with ammonium thiocyanate as complexing agent and butyl acetate as extracting agent. 以硫氢酸铵络合钴离子,随后用乙酸丁酯进行萃取,利用分光光度法测量光亮镀镍溶液中的钴离子。
- rinse water from nickel electroplating 电镀镍漂洗水
- A bright red welt rose on his arm. 他的手臂上起了明显的条状红肿。
