Zinc base die castings are always copper plated in cyanide baths.
锌基合金的压铸件总是在氰化镀液中镀铜。
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 bulk concentrate is produced by bulk floatation, from which the gold is recovered by cyanide leaching, and the residue is directly sold as zinc concentrate.
混合浮选产出锌、金混合精矿，氰化浸金，氰化渣作为锌精矿销售。
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。
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。
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。
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。
It has a remarkable effect in treating chromium containing wastewater and zinc, copper, cadmium cyanide, phosphorous, oil, etc. in mixed electroplating wastewater.
对电镀含铬废水及混合废水中的锌、镍、铜、氰化物、磷、油等污染物有显著的治理效果，是较理想的电镀混合废水治理新工艺。
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。
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。
The exploratory experiment of cyanide-free separating technology of lead-zinc in the slime for a concentration plant had been carried out.
对某选矿厂矿泥的无氰铅锌分离工艺进行了探索研究。
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。
And low cyanide solution Lord complexing agent sodium hydroxide, zinc is to Zn (OH) 42-exists in the form.
而低氰镀液主络合剂是氢氧化钠，锌以Zn (OH)42 -形式存在。
And low cyanide solution Lord complexing agent sodium hydroxide, zinc is to Zn (OH) 42-exists in the form.
而低氰镀液主络合剂是氢氧化钠，锌以Zn (OH)42 -形式存在。
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