表面覆层

Among the various conductive fillers, carbon fibers have been proved to be a good candidate for EMI shielding. However, the electrical resistivity of a carbon fiber is much higher than the metal filler, so it must to use a greater number of carbon fibers in order to achieve the same shielding effect. In recent years, the Electroless plating is the new techniques of surface treatment of carbon fibers used to improve the electrical conductivity of carbon fiber. The copper-coated and nickel-coated carbon fibers have been proved to be a good candidate for EMI shielding.

导电高分子填充材料多使用碳纤维、碳黑及金属粉末，其中碳纤维具有高导电性、低密度及复合材料之补强特性，故本研究碳纤维作为填充材料，将碳纤维经过无电电镀处理，使其表面分别披覆金属镍及铜，增加碳纤维之导电度，混掺於聚丙烯高分子基材中，制成具有电磁波屏蔽功能之高分子复合材料，研究不同高分子成型方式与金属镀层对於碳纤维电学性质及复合材料电磁波屏蔽效益之影响。

An electroless nickel surface was established on the composite, and the diodes with SiCp/Al baseplates satisfied the reliability demands.

采用化学镀方法，在复合材料表面涂覆镍层，以其做为底座的二极管满足器件的可靠性测试要求。

It is shown that a uniform Ni coating with the thickness at about 0.2μm is coated on glass microspheres after electroless plating. The Ni coating has face-centered cubic structure.

结果表明，化学镀后玻璃微球表面包覆了一层均匀致密的Ni薄膜，厚度约为0.2μm，镍具有面心立方结构。

We initially took microfabrication and surface coating techniques to fabricate and treat the titanium substrate which acted as a multi-functional component as flow field plate and gas diffusion layer in fuel cells, in place of the conventional thick graphite and fragile carbon paper.

采用微加工和表面涂覆技术来加工钛基片，兼有流场板和扩散层的多功能作用，代替了厚重的石墨板和易损坏的碳纸。

Influence of vacuum heat-treatment on the corrosion resistance of uranium surface overlaid with graphite at 100 ℃ is studied.

为了提高铀的抗氧化腐蚀能力，利用石墨的粘附特性，在铀表面涂覆一层石墨，并进行真空热处理，在100 ℃条件下对热处理后的样品进行氧化腐蚀试验。

The main features of the new oil seal in the oil seal lip and the axis of rotation between the design of a wavy-coated layer of rubber oil seals inside the wheel, work together within the hub coaxial with the rotation, and the oil seal lip in its the outer surface of hub and inner dynamic seal between.

新型油封的主要特点是在旋转轴与油封唇部之间设计了一个包覆一层波浪状橡胶的油封内毂，工作时，内毂随同轴一起旋转，而油封在其唇部与内毂外表面之间实现动密封。

A thin film of titanium carbide was obtained by vacuum evaporating of titanium.

岚用真空蒸镀法在金刚石表面镀覆Ti层，并经900℃扩散处理。

The hub including a layer of rubber-coated, oil seal can securely installed in the shaft, such as rubber is installed before the grease surface point, then it would be easier to install.

在内毂上包覆一层橡胶，能使油封稳固地安装在轴上，如在安装前在橡胶表面涂点润滑脂，则安装就会变得更容易。

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。