镀

When pH value.5, faster deposition rate, faster growth rate of crystallizing nucleus, which causes bigger crystalline granularity and bad surface quality of the deposits such as crassitude or darkling.

镀液pH值和Sn~(2+)离子浓度也是影响晶粒粒度大小的关键因素。pH＜0.5时，沉积速度过快，晶核成长速度快，晶粒粒度较大，镀层表面粗糙、发黑，表面质量差。

Cobalt (100) face of hexagonal system parallels example surface and the intensity of diffraction peaks increased obviously. Finally the possibility of codeposition of PTFE and cupper or other metal alloys was initially researched.

最后，初步探索了PTFE与Cu或二元合金共沉积的可能性，试验结果显示，它们均可形成PTFE和金属的复合镀层，与无PTFE的金属合金层对比后发现，各复合镀层摩擦学性能都有所提高。

It is very important to determine and control the content of cupric ion in the nickel bath in practice.

镀镍溶液中的铜离子是一种有害的金属杂质，检测和控制其在镀镍液中的含量十分重要。

The effect of coating thickness on hydrogen diffusion coefficient and hydrogen steady-state flux was studied.

得到了镀锌层的厚度对镀层氢扩散系数以及氢稳态渗透通量的影响方式。

The discrete random height variable of worn surface is described with continuous random variables by a mathematical method.

建立了磨损表面轮廓数值化基准、用连续随机变量来描述磨损表面轮廓线高度离散随机变量，对磨损表面高度分布作了数理统计分析，研究了载荷、滑动速度及镀层种类对磨损表面几何特性的影响，将数理统计分析结果与镀层的耐磨性作了比较分析，较为完整、深入地描述了磨损表面的几何特性。

The process for brush plating mending of deeply scratched surface of LY12 duralumin alloy was introduced.

研究了电刷镀技术在LY12硬铝合金零部件表面深度损伤修复中的应用，提出了电刷镀修复LY12硬铝合金零部件的工艺流程及条件。

The composition of the electrodeposit was observed and analyzed by metallosope and SEM before and after corrosion. It was proved that the defects of the connecting rod coating is the main reason that weakens the corrosion resistance.

运用金相显微镜及扫描电镜观察腐蚀前后连杆的镀铬层组织，证实连杆的表面镀层缺陷是影响其耐腐蚀性的主要原因。

But the existed references only gave some partial and simple researches on this composite. So, a systematic research about the effect of each factor on the composite electrodeposit was performed in this thesis.

但已有文献仅对碳纳米管增强镍基复合镀层的部分性能有所简单描述，本文系统研究了各种工艺参数对碳纳米管增强镍基复合镀层性能的影响。

By decreasing the current density in plating process, the width and depth of cracks of the electrodeposit are reduced and the corrosion resistance of the electrodeposit improves.

电镀工艺中减小电流密度可以减小镀层裂纹宽度和深度，从而提高镀层的耐蚀性。

Be not film of alloy of brilliant condition Ni-S-Co with electrodeposit method preparation, studied the electrochemistry performance of film.

梗概： 用电沉积方法制备非晶态Ni-S-Co合金镀层，探究了镀层的电化学性能。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。