表面覆层

"Plating: Coating a metal or other material, such as plastic or china, with a hard, nonporous metallic surface to improve durability and beauty."

镀覆：对金属或其它一些材料，如塑料或瓷器，镀上一层硬而密实的金属表面，以提高耐用性并增进美观。

The result shows that when the emulsifying agent layer not perfectly covering the primary particles' surface or the primary particles' surface being covered with overmuch powder grain, it will lead to the higher plastisol viscosity.

结果表明初级粒子表面的乳化剂层包覆不严或表层粉粒太多，均会导致增塑糊粘度偏高；次级粒子聚结松散，结构脆弱，有较低的糊粘度和触变性；次级粒子聚结紧密，有熔结现象，增塑糊粘度偏高。

The filament, consisting of protein, is coated with an alkali-soluable substance called sericin.

蚕丝由蛋白质构成，其表面包覆有一层可溶于碱的被称为丝胶的物质。

This paper studies the microencapsulation of particles of ultramarine pigment by an acid resistant clorless shell. The surface of the particle is covered and this gives the ultramarine pigment acid resistance.

对群青颜料粒子进行了微胶囊化研究，在其表面包覆一层无色耐酸壳膜，使其具有耐酸性，分析了影响胶囊化群青的耐酸性及色差的各种因素。

To have a good weldability, copper wire because of its coated with a layer of pure copper.

具有良好的焊接性，铜包铝线由于其表面包覆了一层纯铜，因此具有跟随纯铜线一样的可焊性。

Tin compound was coated on the surface of the calcium zincate by chemical deposition.

采用化学沉积法在四边形锌酸钙表面包覆一层金属锡化合物。

The results showed that aluminium nanoparticles were coated by polymer and the microlevel combination was realized.

结果表明：纳米铝粒子表面被聚合物层包覆，实现了微观尺度上的复合。

Metallic nickel powder is taken as a matrix; a chemical method is adopted to prepare a product required by cladding ferrites on the surface of the nickel powder; the mass ratio of the ferrites to the nickel compound powder is between 1 to 5 and 1 to 0.01; the grain diameter of the nickel powder is 0.5 to 5 microns; the ferrites are ferrites of spinel type or ferrites of magneto plumbite type.

以金属镍粉作为基体，采用化学方法在镍粉表面包覆铁氧体层制得所需产品，铁氧体与镍复合粉体的质量比为1∶5～1∶0.01，镍粉粒径为0.5～5μm，铁氧体为尖晶石型铁氧体或磁铅石型铁氧体。

Firstly, a composite antifouling composition is prepared by taking super-fine tourmalin powder and nano zinc oxide powder as materials and coating a layer of silicon dioxide on the surface of the super-fine tourmalin powder and nano zinc oxide powder, and the nontoxic conductive marine antifouling paint is prepared by dispersing composite antifouling composition, film-forming matter, conductive powder and addition agent.

以超细电气石粉末与纳米氧化锌粉末为原料，在其表面包覆一层二氧化硅，制得复合防污剂。然后以复合防污剂、成膜物质、导电粉末、助剂经过分散制成无毒海洋防污涂料。

Therefore, the reactivity of Al nanopowders in air depends on the particle size, the preparation method, as well as the type, structure and thickness of the surface passivating layer.

因此，纳米铝粉的活性，不仅取决于粒子的尺寸大小，还取决于粒子的制备方法，以及粒子表面包覆壳层的种类、结构、厚度等。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。