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The results showed that the mass fractions of Fe and Ni in the coating were 61.8%-62.1% and 37.9%-38.1%, respectively, similar to those of invar alloy, and the coating was solely composed of nanocrystalline γ solid solution.

验证性实验结果表明，制备的镀层具有与因瓦合金相似的成分，其Fe和Ni质量分数分别为61.8%~62.1%和37.9%~38.1%，它是由单一的纳米晶γ固溶体组成。

The effect of potassium iodate on chromium elect rodeposition was studied in the paper.

本文研究了碘酸钾对镀铬阴极过程的影响。

The results showed that the deposition rate increased at first , then went down with increasing concentration of thiourea or potassium iodate. The deposition rate was more significantly affected by thiourea than that by potassium iodate.

结果表明，沉积速率随硫脲、碘酸钾浓度的增大先升高后降低，碘酸钾对镀速的影响不如硫脲显著。

Chromic trioxide and chromium hemitrioxide are determined with iodometry, the coefficient of variation of chromic trioxide is 0.056%, and the recovery of marked compound is 99.82-99.83%; the coefficient of variation of chromium hemitrioxide is 1.45%,and the recovery of marked compound is 98.55-99.26%; iron is determined by complexometric titration, the coefficient of variation of iron is 1.73%, and the recovery of marked compound is 99.12-99.23%;sulfate is determined by complexometric titration, the coefficient of variation of sulphate is 0.16%, and the recovery of marked compound is

Analysis Of The Chromium Electroplating Wastewater By Oxidation-reduction And Complexometric Titration-化学工程与工艺-本文采用氧化还原滴定法与络合滴定法对镀六价铬的废水中铬酸酐，三氧化二铬，铁和硫酸根的含量进行了测定：铬酸酐和三氧化二铬用碘量法测定，铬酸酐的变异系数为0.056%，加标回收率为99.82-99.83%，三氧化二铬的变异系数为1.45%，加标回收率为98.55-99.26%；铁用络合滴定法测定，其变异系数为1.73%，加标回收率为99.12-99.23%；硫酸根用络合返滴定法测定，其变异系数为0.16%，加标回收率为

Under the laser irradiation,the characteristics of the metal ion in the deposition processes are described in the paper.

文摘：介绍在镀液中，在激光光束作用下，金属离子沉积过程的一些特点，并对其原因进行了简单的探讨。

The selection of materials,design and deposition of double waveband (3～5μm and 8～12μm) infrared antireflection on Ge substrate by ion beam assisted deposition are reported.

文中简要叙述了双波段(3～5μm和8～12μm)红外增透膜的膜料选择以及锗基底上红外双波段增透膜的设计与镀制，介绍了离子束辅助沉积技术制备该薄膜的过程。

Main issues in this dissertation are structures and tribological properties of G-ic and BXO films by ion beam assisted deposition. Friction, wear and anti-corrosion performance were investigated.

本文研究的重点是离子束辅助沉积类石墨碳膜和BXO薄膜两种新型镀层的结构及其摩擦学性能，着重探讨薄膜材料摩擦磨损和抗腐蚀的性能特征。

Because of its Iow efficiency, the traditional manual brush plating is not suitable for automation and mass production requirements.

传统手工电刷镀工作效率低不适合自动化和批量化生产的要求。

Characterized by a medieval appearance, dark finish and Italianate carvings.

这个时期的特征是一切建筑延用中世纪的风格，黑色镀层与意大利风格的雕刻艺术。

8 The silver plating should be made to the bolting bus, bar joint and main auxiliary contacts.

6.3.7.8 栓接母线和条形接头以及主要辅助触点应镀银。

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。