Common pre-plating processes for aluminum and its alloy were introduced briefly.
简述了铝及其合金电镀前处理的常见工艺。
The effect of rare earths on the chemical pre-plating process for electro-deposition of foamy copper was studied through experiments.
通过实验手段，研究了稀土对电沉积法制备泡沫铜化学预镀工艺的影响。
The process of Ni-Mo plating of stainless steel is introduced in detail. The effects of pretreatment, Zincate Zn pre-plating and process factors on-the technology are also discussed.
介绍了不锈钢基材电镀镍钼合金的全部工艺过程，并讨论了前处理、锌酸盐镀锌作底层和钼合金电镀等过程因素对本工艺实施的影响。
The formation and growth kinetics of the intermetallic compounds through reaction between liquid Zn and low carbon steel containing Si which is treated by electroless pre-plating ni are analyzed.
采用预镀镍的方法，研究了含硅低碳钢预镀镍后与液态锌的反应以及金属间化合物组织的形成和变化规律。
Water purpose: food and beverage, medicine, concentration, purification, RO pre-treating, coating, recollecting wastewater caused by plating, and table-water manufacture.
产水用途：食品饮料、医药行业工艺浓缩，提纯、RO预处理、涂装、电镀废水回收、矿泉水制备。
The effects of current density on the main properties of iron coating were investigated by using low-temperature iron plating technology without pre-etching.
采用无刻蚀低温镀铁技术，研究电流密度对铁镀层主要性能的影响。
The paper studied the pre treatment for electroplating the surface of tungsten and technical conditions for chromate treatment, nickel and gold plating, determined the functions of cladding material.
研究了钨表面镀前处理及预镀铬、镍，然后镀金的工艺条件；
The adhesion can be improved greatly with the activation pretreatment and pre-nickel plating.
采用“活化-预镀镍”前处理方法，能有效提高镀层的结合力。
Scope of Application: Mainly applies to the cleaning of plating surface pre-treatment, machine parts, hardware tools, small and medium bearings and other industries.
适用范围：主要适用电镀表面前处理、机械零件、五金工具、中小型轴承等行业的清洗。
Scope of Application: Mainly applies to the cleaning of plating surface pre-treatment, machine parts, hardware tools, small and medium bearings and other industries.
适用范围：主要适用电镀表面前处理、机械零件、五金工具、中小型轴承等行业的清洗。
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