• Cylindrical guide pillarchromium plating and anticorrosive treating.

    圆柱形,镀防锈处理

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  • Chrome plating chromium plating for steel parts for Yin polarity coating.

    镀层镀层钢铁零件极性镀层

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  • Trivalent chromium plating can be divided into chloride and sulfate systems.

    三价电镀分为氯化物体系硫酸盐体系

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  • It is similar to chromium plating, and the outward appearance is very excellent.

    外观效果特,效果类似

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  • A rotary rack for chromium plating on surface of cylindrical articles was developed.

    研制出一种用于圆形工件旋转挂具

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  • Hexavalent chromium plating has weaknesses such as toxicity and environmental pollution.

    六价电镀具有毒性大环境污染严重缺点

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  • The specific phenomenon are chromium plating and cathodic reduction on the particularity.

    上述特异现象阴极还原特殊性有关。

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  • Formate-A acid system was a sulfate trivalent chromium plating process with low concentration.

    甲酸-羧酸a体系一种浓度的硫酸盐三价电镀工艺

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  • The invention relates to a piston ring and a surface spongy chromium plating technique thereof.

    一种活塞环及其表面松孔镀铬工艺

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  • Cylindrical anodes are conventionally used for chromium plating on surface of cylindrical articles.

    圆柱形工件外表面采用圆桶形阳极

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  • A new decorative chromium plating process for aluminium substrate is described with formulas given.

    介绍种在铝基体上装饰工艺及其配方。

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  • The airtight function of chromium plating for piston rod is a knotty technical problem for aircraft factories.

    活塞杆气密性问题航空工厂长期存在一个老大难问题。

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  • Several solution composition for cleaning, zinc dipping and subsequent copper, nickel, chromium plating are given.

    文章中给出若干清洗镀锌以及后来、铬加工液配方

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  • In general, stainless steel piston rod plating, generally require the use of at least 3 times the chromium plating.

    总的来说,不锈钢活塞杆电镀一般都需要采用至少3

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  • Meanwhile this paper also investigated the relationship between chromium plating and oxidation resistance of cast iron.

    同时研究了试样表面镀与其抗氧化之间关系

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  • Shenzhen (excellent) Ante Precision Industry Co. , Ltd. specializes in plastic plating, green trivalent chromium plating.

    深圳市卓越安特精密工业有限公司专业致力于塑胶电镀环保三价电镀。

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  • Quality control of water, removal of impurities and other troubleshooting cases in rare earth chromium plating are described.

    叙述稀土铬液中水质的控制杂质去除以及其它故障的排除方法。

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  • On that basis, according to the organic structure theory, Further explore the various mechanisms of chromium plating additives.

    基础上,根据有机结构理论进一步探讨各类添加剂作用机理

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  • It's urgent to develop the technique of trivalent chromium plating because of the heavy pollution of hexavalent chromium plating.

    电镀工艺存在严重环境污染问题,利用三价铬镀铬取而代之已经迫在眉睫

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  • The basic principle and the improvement of Santana spherical cast iron piston ring chromium plating technology is briefly introduced.

    概要介绍桑塔纳球墨铸铁活塞环工艺原理改进过程

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  • Chromium plating in low chromic anhydride-containing bath at low temperature has been widely used for years for its peculiar advantages.

    低温浓度镀铬具有独特优点推广使用多年

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  • In this paper, three types of bath for trivalent chromium plating are gained: chloride-glycine bath, chloride-U bath and sulfate-oxalic bath.

    本文新近研究了一以甲酸盐-羧酸盐作为络合剂的电镀新工艺,并对该溶液镀层进行了性能测试。

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  • The invention comprises the following procedures: preplating, etching, chromium plating, washing, removal of hydrogen, hole loosing, washing and drying.

    发明包括工序刻蚀工序、镀铬工序、水洗工序、工序、工序、水洗烘干工序。

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  • For example steel base plated copper, nickel, chromium plating, low layer again tin bronze chrome, multi-layer nickel chrome plating nickel ferroalloy, chrome, and so on.

    例如青铜多层镍上镀铬、镍铁合金镀层上镀铬等等

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  • Laser quenched groove surface has high wear resistance, and its wear resistance is higher than that of groove by using high frequency quenching and chromium plating method.

    激光淬火表面具有良好耐磨性高频淬火工艺处理的耐磨性较大提高

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  • The invention comprises the following procedures: preplating, etching, chromium plating, washing, removal of hydrogen, hole loosing, washing and drying and tin plating treatment.

    发明包括工序刻蚀工序、镀工序、水洗工序、工序、工序、水洗烘干工序、镀处理工序。

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  • The present invention can eliminate six-valent chromium from chromium plating waste water fast, and has simple technological process, convenient operation, low cost and high effect.

    发明迅速有效地去除废水中的六价铬,工艺简单操作方便成本效果好。

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  • Special treatment is recommended to activate beryllium copper surface before chromium plating. And special steps which differ from conventional chromium plating on steel parts are to be taken.

    青铜合金上电镀铝,需在铝前作特殊的表面活化处理,镀时也有不同于钢铁镀铬的操作方法

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  • The deduction is confirmed by establishing self locking conditions and determining the sliding friction coefficients between sand and chromium plating layer and between sand and nitrided surface.

    通过建立砂粒条件实测长石砂岩、石英砂岩泵筒氮化层滑动摩擦系数值,证实了对柱塞拉伤失效原因的推测正确的。

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  • The deduction is confirmed by establishing self locking conditions and determining the sliding friction coefficients between sand and chromium plating layer and between sand and nitrided surface.

    通过建立砂粒条件实测长石砂岩、石英砂岩泵筒氮化层滑动摩擦系数值,证实了对柱塞拉伤失效原因的推测正确的。

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