电镀

To establish the physics model of conductivity property in copper-clad and tinning copper-clad steel wire,give the way of calculating the basic parameter of them through design of plating technology and extract plating machine,meanwhile being checked by a set of test data,it shows that theory calculation results consist well with test results.

建立了铜包钢线及镀锡铜包钢线导电特性的物理模型，给出了电镀工艺和引镀机设计中计算铜包钢线及镀锡铜包钢线基本参数的方法，并用一组实验数据进行验算，结果证明理论计算和实验结果具有很好的一致性。

It was feasible to increase the dispersing stability of the Ni-nano-Al2O3 composite plating solution by introducing the dispersants such as ammonium polycarboxy-late, triammonium citrate, and cetyl trimethyl ammonium bromide and implementing ultrasonic stirring.

结果表明，在镀液中加入适量的聚羧酸按、柠檬酸三按或十六烷基三甲基溴化铵分散剂，并通过超声分散，可得到稳定分散10h以上的复合电镀液。

The underdeck tonnage is the total volume in tons of 100 ft3 of the ship below the tonnage deck to the inside of frames, underside of deck plating and above the inner bottom.

该舱内吨位总量在万吨一零零立方英尺船舶甲板以下吨位的框架内，底部的甲板电镀及以上的内底。

Unplated edges of terminals permitted.

允许的终端非电镀边。

To identify the non-uniform coating in a carbon fiber tow can be overcome by the pneumatic spreading process; two groups of spread and unspread carbon fiber tow coated with nickel by electroless plating were compared.

为了证明藉由气体展开制程可克服碳纤维纱束不均匀镀层的结果，将碳纤维纱束分为展开与未展开两组，比较无电镀镍后的结果。

The possibility for preparing nanocrystalline materials by jet-electrodeposition technique is also analyzed. Corresponding the research in the article, a set of unsubmerged single circular jets equipment was designed. In chapter 2, jet-electrodeposition was carried out both under direct current condition and pulse current condition. A series of samples for nanocrystalline nickel coating were prepared under different deposition parameters.

在第二章中，采用喷射电沉积技术分别使用直流和脉冲两种波形的电流进行电沉积，改变电沉积工艺参数制备了一系列的纳米晶镍镀层样品，使用X射线衍射、扫描电镜、透射电镜、维氏硬度计等仪器对镀层微观结构和性能进行了分析和表征，主要考察了在直流喷射电沉积和脉冲喷射电沉积方式下，沉积参数如电流密度、电镀液喷射速度等对镀层微观结构和显微硬度的影响。

An electroplated impression of a phonograph record used to make duplicate records.

唱片模版用于复制唱片的电镀留声机唱片。

Firstly, wherever possible avoid cheap wire, as it often has tags and flakes of zinc on it, and contains high levels of lead. Use some of the newer wires by BHP that are welded after galvanisation.

现在有些新产品在金属电镀后再镀上一层 BHP，当然价钱会比较昂贵，但相对比较花费在治疗和药物的金钱就已经值得！

Adopting cathode protection of the zinc materials as an effective protection method, which already applied more and more in many field. For example, Hot-dip galvanisation, galvanization, electric arc spray zinc 、sherardizing, etc. But that method are with lots of shortcomings. For example, hard to apply

采用锌材料阴极防护的方式，作为一种有效的钢铁防护手段，已经得到越来越多的应用，诸如热浸镀锌、电镀锌、电弧喷锌、热喷锌等工艺手段，但鉴于这些工艺存在施工难度大、环境污染重、能耗高、锌层受损难修复等弊端，使得发展受限。

Zinc is used to galvanise metal to prevent rust.

锌 ---是用作为电镀金属去防止生锈。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。