镀铅的

Typical sulphide-bearing host minerals consist of Sphalerite, Galena, and Chalcopyrite.

典型的举止硫化物的主人矿物有 Sphalerite ，方铅镀和黄铜矿。

SF-1 is a kind of oilless slide Bushing made of the PTFE composite material,Which is a copper-plateed steel plate on to which a

SF-1是由PTFE复合材料制成的无油润滑轴承，是将锡青铜球粉烧结到镀铜板上形成多孔屑，然后将PTFE和铅

In view of the improvement on environmental protection and the reduction of costs for PCB fabrication, emphasis has been placed on the use of corrosion inhibitors as replacements for conventional tin -lead electrodeposits for the preservation of solderability.

鉴于电路板生产过程中环保和成本的要求，采用唑类缓蚀剂取代传统的锡铅合金镀层以保证可焊性。

The effects of bath composition, cathodic current density and temperature of alkylsulfonate base tin-lead alloy electroplating on tin content and thickness of electrodeposits were studied through Hull cell test.

利用赫尔槽试验研究了烷基磺酸盐电镀锡铅合金工艺中电流密度、主盐浓度、游离酸浓度及温度对镀层厚度和组成的影响。

Such bricks will be made out of lead covering the "lead brick" with gold by cheaps swindlers.

设法骗钱的商人和骗子们将通过把&铅砖&外面镀上一层金来做这样的&金砖&。

Be made out of lead covering the"lead brick"with gold by cheaps and swindlers.

设法骗钱的商人和骗子们将通过把&铅砖&外面镀上一层金来做这样的。。。

Such bricks will be made out of lead covering the "lead brick" with gold by cheaps and swindlers.

设法骗钱的商人和骗子们将通过把&铅砖&外面镀上一层金来做这样的&金砖&。

In order to fool people cheaps and swindlers will make such bricks out of lead covering the "lead brick" with gold.

设法骗钱的商人和骗子们将通过把&铅砖&外面镀上一层金来做这样的&金砖&。； z5 O- j。 x4 l！ Z3 t/ _ B

Lead in linear incandescent lamps with silicate coated tubes.

用于带有硅酸盐镀层灯管的线型白炽灯中的铅。

Some new processes and technologies for electronics finishing were introduced, such as wafer plating, electrochemical mechanical polishing, microelectro-mechanical system plating, copper plating using insoluble anode, platinized niobium electrode, lead and cadmium free eleclroless nickel, recycling of alkaline etching solution and reclaiming system of copper.

介绍了电子电镀中的若干新工艺新技术，如芯片电镀、电化学机械研磨、微机电系统电镀、不溶性阳极电镀铜、镀铂铌电极以及无铅无镉中磷光亮化学镀镍、碱性蚀刻液再生和铜回收系统等。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。