表面涂层

A nickel-based nano-WC/Co composite coating on 45 steel was gained with continuous wave CO_2 laser of 2.0 kW,the surface of which is smooth and fine without crack or pore and metallurgically bonds with matrix.

采用横流2.0 kW CO_2激光器，在45钢表面制备了表面较平整、较细密、基本消除了裂纹与孔隙并与基体呈冶金结合的镍基纳米WC/Co复合涂层。

Summing up the reasons for the above situation is that there is the possibility of transformation between the status of two contacts (Cassie state and the Wenzel state) on super-hydrophobic surface, which can be promoted in different external conditions.

观察水在制备的超疏水涂层表面冷凝和蒸发情况，发现液滴可以在极易滚落和被紧紧粘在表面上无法下流，这两种状态之间相互转化，出现上述现象的原因可能在于超疏水表面上的两种接触状态（Cassie态和Wenzel态）之间存在着相互转化的可能性，不同的外界条件可以促使向不同方向的转化。

The influence of surface reflection to total absorbing performance is discussed and the corresponding theoretical formula are presented under the condition of generational matching law when electromagnetic wave irradiates on the coating absorbing material which takes metal as the base.

利用三维网格法讨论了电磁波垂直入射的情况，结果表明：涂层吸波材料的介电常数ε对表面反射的影响起主要作用，而磁导率μ的作用并不明显，即在考虑表面反射的优化设计中调节ε是主要的。

Results il lustrated that the size of SnO2 crystal particle prepared with sol- gel method is owing to nanometer-size.

结果表明，溶胶-凝胶法制备的电极为纳米涂层电极，表面裂纹较少，晶体发育完全，有利于SnO2， Gd2 O3和吸附氧的表面聚集，进而提高了电催化电极的性能。

Further, the prior coating methods for shielding electromagnetic wave of electronic equipments include three kinds of methods including 1 a vacuum metalizing wherein the metal is vaporized and deposited on the material surface under vacuum; 2 a conductive paint spray wherein the solution containing

此外，先前的对电子设备进行电磁波屏蔽的涂层方法有三种方法，包括1）真空金属镀层，这里，金属在真空下被蒸发并沉积在材料表面；2）导电涂料喷溅，这里，含金属粉末的溶液被喷雾到材料表面；3）化学镀，这里，待涂覆的

The methods and the precesses of the silver anti-tarnishing ,such as extremely thin metal coating,anodic passivation treatment,cathodic electrophoresis,chemical passivation and self-assembled monolayer,have been evaluated.

分析了银器表面在硫化物、硫氧化物等腐蚀性气体环境中变色的机理和影响因素，讨论了银器表面处理防变色(贵金属或合金的涂层、阳极化钝化、阴极电泳、化学钝化、自组装单分子膜的防腐蚀等)的方法和加工技术，并提出了包装贮存材料处理防银器变色的新途径。

Surface roughening is very important in arc spraying, as the coating quality depends greatly on its treatment result.

表面粗化在电弧喷涂中具有重要作用，涂层质量很大程度上取决于表面粗化预处理的效果。

Through performing all kinds of anti-corrosion and anti- abrasion experiments,the ways of surface oxidation process and anti-corrosion coat materials of air propeller are selected in this article according to self-protection property of the air propeller used on certain ship.

根据空气螺旋桨在某船上的自身防护特点，通过耐腐蚀、耐磨蚀等各种实验，对空气螺旋桨桨叶表面氧化处理工艺和表面防腐涂层材料进行了筛选。

Ni-Cr-B-Si alloy powder with adding rare earth was cladded by CO2 laser on the surface of 45 steel, then Ni-based coating which is combined in metallurgy with the matrix and has good performance was obtained.

为提高零件表面的耐磨性和耐蚀性，采用CO2激光器在45钢表面熔覆添加稀土的Ni-Cr-B-Si合金粉末，获得了与基体呈冶金结合的、性能良好的镍基涂层。

Usage 1. Metal surface paint remove method: Brush objects in need of the paint remover on the surface, in a few minutes the old Membrane will be soften, wrinkling, blistering and then fell off, then use water wash off the impurities; for special thick coating, can spray once more before washing, or clear the residue with a piece of sandpaper or a shovel knife.

使用方法金属表面脱漆方法：将本品刷涂于需脱漆层表面，数分钟内旧膜即可软化、起皱、起泡进而脱落，再用水将脱落杂质清洗干净，待其干燥；对于特别厚的涂层，可重复使用一次，再用水冲洗干净，或配以砂纸和铲刀清除局部残留即可。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。