镀层

It is indicated by analysis that the main causes of difficulty of drawing high strength thick galvanized steel wire are thicker ZnFe alloy coat and higher carbon and manganese contents.

分析大直径高强度镀锌钢丝拉拔困难的主要原因在于锌-铁合金层较厚、钢丝中碳含量和锰含量较高。

Dibian coated with a layer of Green is the Willow was bright yellow.

堤边的柳色被镀上一层耀眼的黄。

And a relatively ideal process is obtained: AgNO3 20g/L, NH3·H2O 80ml/L, KNaC4H4O6·4H2O 100g/L with PH value 12.5 and plating temperature of 20℃, from which we get an even, dense and well-combined silver-plating layer.

得到的镀银层均匀致密，结合良好。

The quality of nickel deposit is an important indicator to test the performance of cyanide-free zincating solution for high-Si aluminum alloy.

镀镍层质量是检验无氰高硅铝合金浸锌液性能的重要手段。

The quality of nickel deposit is an important indicator to test the performance of cyanide-free zincating solution fur high-Si aluminum alloy.

镀镍层质量是检验无氰高硅铝合金浸锌液性能的重要手段。

With the increasing of the thickness of copper layer, the electric ability of the surface is also improved and the exterior resistivity of different surface is also more identical.

随着镀铜层厚度的增加，木材表面的导电性有明显的提高，同时不同切面各方向上的表面电阻率的值也趋于一致。

The micro silver-coated copper powder with high temperature of oxidation resistance was prepared by chemistry substitutional and chemistry plating reaction.The surface topography,microstructure and oxidation resistance of the coated powder were characterized by SEM,XRD,TG and other methods.

为了提高铜粉的热稳定性，采用滴入化学镀法在铜粉末表面包覆一层金属银，用SEM、X射线衍射、粒度分布和热重分析表征了不同包覆厚度的镀银铜粉和原始铜粉的表面形貌、表面结构及抗氧化性。

Comparative tests of black color passivation of zinc coating based on reference formulas published in literature including copper salt method, silver salt method and method of mixture of copper salt and silver salt were conducted.

根据已发表的镀锌层黑色钝化的铜盐法、银盐法及铜银结合法等类型的黑色钝化的参考配方进行了对比试验，并就其中较为理想的钝化配方的成分含量及其作用、操作条件的影响做了细致的分析，并对钝化液配制时的注意事项予以说明。

For example, the abradibility of the steel sheet with TiN coating will be increased.

如在钢表面镀一层TiN，钢的抗磨损性能会得到提升。

A setting sun casts a fiery glow over a crop duster spreading pesticides in a Brawley, California, field.

加州Brawley农场，飞机在落日的映照下仿佛镀上一层金黄大图

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。