精密小孔在镀硬铬时，很难获得均匀的镀层，直接影响产品的尺寸精度和形位精度。
It is difficult to gain homogeneous coating when precision small holes are electroplated chrome, which affects the dimensional precision and the form precision of the product.
在不锈钢活塞杆完成电镀后，还需要对镀层的质量、尺寸等进行全方面的检查。
After the stainless steel piston rod is complete, it is necessary to inspect the quality and size of the coating.
结果表明，机械镀锌-铝镀层主要是由尺寸不等的锌粉颗粒相互参杂、填充，形成致密结构体；
The results show that the coating is mainly composed of zinc particles of different size intermixing and filling reciprocally, and therefore a dense structure is formed;
对电镀产品镀前与镀后零件尺寸及公差、镀层厚度及公差之间的问题及关系进行了分析与探讨。
This paper analyzes and discusses the size, tolerance, width and the problems among tolerances of electroplate production before and after the plating.
研究了电流密度与沉积速度、晶粒尺寸及镀层硬度的关系。
The relationships of current density with deposition rate, crystal size and hardness of deposit were studied.
具有综合机械性能高，尺寸、重量控制准确，镀层光洁、牢固，抗腐蚀性能好，使用寿命长等特性。
It has the characteristics of high mechanical property, accurate control over size and weight, smooth and firm layer, good corrosion resistance and long service life.
研究表明：利用碳毡的孔洞结构和尺寸，辅之以金属镀层，能在较宽的频率范围内对电磁波有良好的屏蔽效率，且不需要很大的填充量。
The results show that with low loading level the metal coated CFF provides excellent EMS property in a wide frequency range due to its cavity structure and metallic coating.
研究表明：利用碳毡的孔洞结构和尺寸，辅之以金属镀层，能在较宽的频率范围内对电磁波有良好的屏蔽效率，且不需要很大的填充量。
The results show that with low loading level the metal coated CFF provides excellent EMS property in a wide frequency range due to its cavity structure and metallic coating.
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