The paper provides several substrate plating technologies of zinc alloy cast piecework to substitute cyanide copper plating.
本文介绍了几种取代氰化镀铜的锌合金电镀打底工艺。
The effect of pulse frequency and pulse duration ratio on the abrasion resistance of gold coatings is investigated with pulse plating in cyanide free and trace cyanide baths.
研究了脉冲电镀在微氰镀金，无氰镀金体系中脉冲频率、脉冲占空比对镀金层耐磨性的影响。
A cyanide tin - copper plating process was optimized by means of orthogonal test. The effect of bath components of electrolytic solutions and electrodeposits was investigated.
采用正交试验研究了氰化镀铜锡合金工艺中各因素水平与镀液、镀层性能的关系，优选出一种最佳工艺配方。
The potential-time curves under constant current and cyclic voltammetry curves were measured, and the potential activation process of copper plating on iron substrate in cyanide electrolyte was shown.
进行了恒电流电位-时间曲线和循环伏安曲线的测定，显示了铁电极进行氰化物镀铜时，镀层沉积前铁表面的电位活化过程。
The application of cyanide-free zinc plating processes to large-sized and shape-complicated workpiece was introduced.
介绍了无氰镀锌工艺在大尺寸、形状复杂的工件上的应用。
A low cyanide bright 22k gold plating process was investigated.
研究了一种低氰电镀光亮22K金工艺。
The applicable fields of alkaline cyanide-free zinc plating and acidic zinc plating before trivalent chromium passivation were proposed.
提出应用于三价铬钝化前的碱性无氰镀锌及酸性镀锌的适用场合。
Ten typical formulas and some kinds of additives used for cyanide-free silver plating were introduced.
综述了十种典型的无氰镀银工艺配方和无氰镀银所采用的添加剂类型。
So, to find a non-cyanide alkaline copper plating bath is a great target of the plating operator.
因此，研究出合适的无氰镀铜工艺来取代氰化镀铜工艺一直是广大电镀工作者的目标。
The process flows and formula of new system of non-cyanide alkaline zinc plating were introduced.
介绍了新型无氰碱性镀锌体系的工艺流程和工艺配方。
A new kind of non-cyanide alkaline strike copper plating process for zinc alloy die-castings was developed in order to solve the problems in traditional non-cyanide strike copper plating.
为解决传统的锌压铸件无氰预镀铜存在的一些问题，提出了一种新的锌合金压铸件无氰碱性预镀铜工艺。
Conventional alkaline cyanide zinc plating process was compulsively restricted for its emission of toxic and hurtful substances and harm to the environment and human being.
原有的碱性氰化物镀锌工艺存在有毒有害物质排放及对人体的伤害，被国家强制限制。
With bright nickel strike plating before pulse non-cyanide silver plating, brighter and finer silver coatings with stronger anti-tarnish property and corrosion resistance can be obtained.
光亮镍打底后再脉冲无氰镀银，可获得更加光亮、结晶细致的镀银层，且抗变色性能及耐蚀性均增强。
A method for breaking the complex forming copper precipitation was tested for wastewater treatment of non-cyanide complex copper plating.
同时试验了一种破络沉淀铜的方法处理无氰络合物镀铜废水。
Characteristics of BH-332 low Cyanide zinc plating process and maintenance of the bath are described.
着重介绍BH—332低氰镀锌工艺的特点和镀液的维护。
A new non-cyanide alkaline copper plating process was introduced.
介绍了一种新的无氰碱铜工艺。
However, large amounts of cyanide are used in industries involved in the products such as metal-plating, synthetic fibers, plastics etc.
含氰废水主要来源于金属电镀、合成纤维、塑料生产等。
The performance of Cadmium plating from ammonium chloride bath and Cd-Ti plating from non-cyanide bath on super high-strength steels were discussed.
对超高强度钢的氯化铵镀镉与无氰镀镉-钛两种防护镀层进行了对比研究。
It was introduced a technics of non-cyanide zinc plating, using sodium hydrate and zinc monoxide as main salts.
介绍了一种以氢氧化钠、氧化锌为主盐的无氰镀锌工艺。
The process satisfies the demands of environmental protection and can replaces the cyanide copper plating for preve…
该工艺复合环保要求，可以取代防渗碳氰化镀铜工艺。
The process satisfies the demands of environmental protection and can replaces the cyanide copper plating for preve…
该工艺复合环保要求，可以取代防渗碳氰化镀铜工艺。
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