镀锌层

The defects of surface of cast iron hardware and its influence on the quality of zinc deposit were analyzed.

分析了铸铁五金件表面存在的缺陷及其对镀锌层质量的影响。

For degreasing, use a neutral or weak alkaline degreaser.

脱脂时，必须使用中性的或者弱碱性的脱脂剂，避免破坏镀锌层，减弱防腐蚀效果

The electrochemical hydrogen permeation technique was used to study hydrogen permeation through zinc electrodeposit with bilayer specimens of Fe substrate/zinc electrodeposit.

针对氢在镀锌层中的扩散渗透性，采用电化学氢渗透技术对Fe/电镀Zn双层试样进行了研究。

The principal protection is due to the zincs encasement of the item, which prevents contact with the environment.

关键的保护是它表面的镀锌层，它阻止零件基材与环境的接触。

Progress of molybdate passivating for zinc coating is stated.

本文综述了国内外镀锌层钼酸盐钝化的研究概况。

In contact with an electrolyte such as sea water or even rain water, zinc protects the adjacent bare iron sacrificially and prevents the spreading of rust from breaks in a zinc coating.

在与电解质如海水甚至雨水接触时，锌以自身的腐蚀来保护相邻的裸露的铁，从而防止锈蚀从镀锌层的裂痕处扩展开来。

For corrosion,we should work hard to avoid or slow, therefore introduce emphasisly protection principle and methord of zink coating.

对于腐蚀破坏，我们应力求避免或减缓，因此着重介绍了镀锌层的保护原理及工艺方法。

The paper introduce fundamental theory and viewpoint on corrosion of iron and steel and zink coating, expounding loss and hazerd of corrosion, first.

本文首先介绍了钢铁腐蚀及镀锌层的基本理论与观点，阐述了腐蚀的损失及危害。

The bath compositions of trivalent chrome black passivation for zinc plating coating were optimized by orthogonal test method and the effects of operation conditions on the appearance and the corrosion resistance of the passivation film were investigated.

采用正交试验法对镀锌层三价铬黑色钝化工艺组分进行优化，研究了工艺参数对钝化膜外观和耐蚀性的影响。

On the other hand, Sn dendrites were formed at the interface of piled Zn powders/solution, forming a bridge thereat like agraffes.

指出为了获得成分均匀、结构致密的机械镀锌层，应当强化先导金属Sn的第一种沉积方式，抑制第二种沉积方式。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐