镀

Technical characteristics and existing problems of cyanide-free silver plating technology were summarized through the analysis of cyanide-free silver plating systems of thiosulfate,succinimide,iodide,hydantoin,sulfite and others.

通过对硫代硫酸盐、丁二酰亚胺、碘化物、乙内酰脲、亚硫酸盐以及其它无氰镀银体系的分析，总结了当前无氰镀银工艺的技术特点及存在的问题，并阐述了无氰镀银技术的发展历程和研究现状。

The result of experiment shows that the hardness will increase and the plating rate will decrease with the rising of concentration ratio of nickel sulfate and hypophosphite.

最后的试验结果表明，在其它条件不变的情况下，随着镍磷摩尔浓度比的增大，镀层硬度逐渐上升，而镀速逐渐下降；在其它条件不变的情况下，随着丙酸浓度的增加，平均镀速有所上升，而硬度先上升，达到一个最大值后开始下降。

Impactive nickel plating and magnetization of the plating solution were both effective ways for the plating.

镀件冲击镀镍及镀液磁化均可取得良好的效果。

If the ratio of Cu 2+ to In 3+ is constant, the total concentration of ions showed inappreciable influence on film morphology. The result shows that lauryl sodium sulfate and sodium benzenesulfinate as ideal additives can make the films more flat and smooth.

此外， 在镀液离子低浓度范围内，及Cu/In离子浓度比不变的前提下，镀液中金属离子总浓度的改变不会影响镀层的成分和形貌；十二烷基硫酸钠和苯亚磺酸钠可作为理想的辅助添加剂，能改善薄膜形貌，使其表面均匀、规整。

The optimized formula was gained by orthogonal test as follows: 80 g/L of meta-nitrobenzine sodium sulfonate,37.5 g/L of monoethanolamine,30 g/L of glycine,4.5 g/L of sodium thiosulfate and 0.03 g/L of lauryl sodium sulfate.

1前言尽管电镀技术愈来愈先进，但是出现不合格镀层总是难免的，因此，不合格镀层的退除和重新施镀，对资源的再生与合理应用具有重要意义。

Based on the defect analysis of cold rolled and hot dip galvanized products produced from CSP coils by data processing, off-line testing, observation by SEM, it was shown that the quality of products is not only affected by proceeding processes such as steelmaking, casting, hot rolling but also by the performance of cold rolling and hot dip galvanizing.

应用数据统计、离线检验以及扫描电镜缺陷分析等手段，对应用CSP线生产的热轧卷在冷轧与镀锌过程中出现的产品问题进行了分析，分析结果表明，应用CSP热轧卷进行冷轧与镀锌产品生产，不但受与炼钢、连铸、热轧各工序密切相关的热轧卷质量的影响，而且与冷轧与镀锌生产线本身工艺有重要关联。

In depth profile analysis of silvering layer on phosphor bronze stripe has been determined through rate of alloy calculated with the rate of pure component by glow discharge emission spectrometry .

应用辉光放电发射光谱分析技术，从纯金属求得难以测定的试样表层合金的溅射率，对磷青铜薄带的镀层合金进行表面逐层分析，得到镀层中银和铜含量随深度的变化曲线，同时测得了镀层的厚度。

The electrochemical analysis results show that the polarization potential of gradient coating was obviously lower than that of the non-gradient coating electrode.

电化学测试结果表明，与非梯度镀层相比，梯度镀层的极化电位在各电流密度条件下都显著低于非梯度镀层电极。

The results show that a MgSnO3·H2O conversion film is formed by treatment in the stannate solution at 90℃, and the immersion test and potentiodynamic polarization show that the corrosion resistance of the AZ91D alloy is improved to some extent.

结果表明：锡酸盐转化处理后合金表面形成了以MgSnO3·H2O为主要成分的转化膜，可对合金起到一定的防护作用；转化膜由细小的球形颗粒密积而成，颗粒之间存在间隙，它可以为化学镀镍的前处理过程提供良好的吸附条件；转化膜上的化学镀镍层组织致密、无缺陷， MgSnO3·H2O转化膜在镀镍层与基体之间起到过渡作用，镀层的磷含量达到9%，与基体结合良好；在3.5% NaCl (pH=7)溶液中的动电位极化测试表明，镀镍以后的合金在阳极极化过程中发生了明显的钝化，耐腐蚀性能进一步提高，对基体起到了较好的防护作用。

The thickness gauge for cladding material is install in brush plating power supply .

试验结果表明：所研制的镀层厚度控制器不仅具有体积小、精度高、性能可靠的特点，而且还可以与各种刷镀电源配合使用，实现对刷镀层厚度的设定与控制。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了