镀层

The causes of tarnishing gold and silver-plated connectors were studied respectively.

分别探讨了接插件镀金和镀银层变色的原因。

The Lamborghini Cassiopea wheels are coated in Black Chrome as the perfect finishing touch.

原装的轮毂也外镀了一层铬。

The bath compositions of trivalent chrome black passivation for zinc plating coating were optimized by orthogonal test method and the effects of operation conditions on the appearance and the corrosion resistance of the passivation film were investigated.

采用正交试验法对镀锌层三价铬黑色钝化工艺组分进行优化，研究了工艺参数对钝化膜外观和耐蚀性的影响。

The structure consists of at least two active regions emitting light with different main wave length, each of them has its own optical waveguide limit layer, two or multiple optical spectrum with different main wave length are mixed together to produce white light; cleavage cavity surface of both sides are plated reflecting film to form photon resonant chamber, light-emitting direction is all from side, this structure is suitable for LED with GaN or ZeSe base or other materials, the substrate is mode of sapphire, SiC or other materials.

本发明是一种直接出射白光的高亮度功率型LED芯片，其结构是：设有至少两个发射不同主波长光的有源区，每一个有源区具有各自的光波导限制层；两种或者多种主波长不同的光谱混合在一起产生白光；其两侧的解理腔面都镀有反射膜，形成光子谐振腔；光出射方向为全侧面出光，此种结构适合GaN基或ZeSe基的LED，或者其它材料的LED；其衬底是蓝宝石衬底，或SiC衬底，或者别的衬底材料。

Linked with climb ring, triangle ring and ring is made of high-quality carbon steel plate by stamping, copper-coated Ni-Cr layer.safety belt is treated by high temperature which made it harder and more safety.

所配攀登挂钩、三角环、圆环等均用优质中碳钢钢板冲压而成，表面涂镀铜镍铬层。

A process of alkaline hard chromium plating on aluminum alloy was presented,including oil removal,dipping in heavy metal solution,acid pickling,dipping in zinc solution,hard chromium plating.

1前言铝合金电镀硬铬，是利用强碱性的锌酸盐溶液在置换锌层上直接镀铬，其工艺成熟，操作简便、易行。

The equation for the membrane thickness controlling in hot dipping process is deduced using abridged kinetic model process.

利用简化的动态模型过程，推导热浸镀条件下的膜层厚度控制方程，并通过实验手段对此方程作了验证。

On the other hand, Sn dendrites were formed at the interface of piled Zn powders/solution, forming a bridge thereat like agraffes.

指出为了获得成分均匀、结构致密的机械镀锌层，应当强化先导金属Sn的第一种沉积方式，抑制第二种沉积方式。

Head-fi.org 的认证 The KSC75 and PortaPro have the same driver but the KSC75 got a titanium cover on its driver that makes it sound brighter, more detailed but less bassy .

----KSC75与PP有同样的驱动单元，但是KSC75上面镀了一层钛在他的单元上面，这使得它听起来更明亮，更细节，但是少了几分低音

The method of electroless nickel plating was used in this study, let Ni-P particle is suspended form the plating solution, therethrough spontaneous reaction use the alloy is clodding full of the Glass Fiber Woven Cloth, attach the Glass Fiber Woven Cloth have like alloy particle good conductivity, Improved the electric properties of this fibers and help improved high electromagnetic shielding, with Theromoset Resin mixture the conductivity filler graphite, composite with High Electromagnetic Shielding Composites.

摘要本研究使用无电极镀镍之方法，将粒子悬浮在电镀液中，籍由氧化还原反应使玻璃纤维不织布得到完整的包覆金属层，并赋予玻璃纤维不织布具有纯金属粒子一般优异的导电率，藉此提高纤维之导电性并且有助于增加遮蔽电磁波的能力与效果，再与热固性树脂并混入导电性填充材石墨粉墨，复合成具电磁波遮蔽之复合材料。

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。