查询词典 copper-bearing

In this paper, the effects of process parameter of brush copperplating on the copper film for prevention of carburization were studied; the relation between the time of carburization and the minimun thickness of copper film for prevention of carburization was established.

研究了用刷镀镀铜防渗碳时的工艺参数对镀层防渗碳效果的影响，及渗碳时间与防渗碳所需的最小镀层厚度之间的关系。

Results The activity of copper and cerium oxide catalysts were better than that of copper nitrate or cerium nitrate.

结果Cu／Ce复合氧化物催化剂对吡虫啉农药废水具有较高的催化活性。

ResultsThe activity of copper and cerium oxide catalysts were better than that of copper nitrate or cerium nitrate.

然而，催化湿式氧化能实现有机污染物的高效降解，同时可以大大降低反应的温度和压力。

The results show that there are little difference of CO sensitivity between precipitation transformation method and sol-gel method, the sensitivity of copper oxide loading on zirconium oxide or cerium oxide is better than that of loading on alumina or silicon dioxide, the optimal calcinations temperature is 500 Celsius degree and the optimal copper content loading on cerium oxide is twelve percent.

实验结果表明，材料的制备方法对气敏性质的影响不大；锆铈基氧化物的气敏性质较高，而Al2O3，SiO2作载体时效果要差一些；焙烧温度在500℃时对CO具有最好的灵敏度；当负载在氧化铈载体上的氧化铜含量为12%时，对CO的气敏性质最高。

Of total copper in the ore, and the main copper sulfide mineral are chalcocite and covellite.

查明了矿石中铜的赋存状态及主要的脉石成分。

We want to interpret the sensing mechanism of copper oxide by the point of view of catalytic chemisorption theory; the cause of sensitivity of copper oxide was the CO chemisorption on the oxygen active regions.

并从催化理论上对氧化铜的气敏机理进行解释，认为CO在氧化铜表面的化学吸附是氧化铜气敏材料的气敏性质产生的原因。

Copper deficiency results in chlorosis, suggesting that copper may be involved in the synthesis of chlorophyll.

缺少铜可以导致植株萎黄，这说明铜有可能与叶绿素的合成有关。

Other accessories: leather cover an American Desk, deer skin head 13mm card 20, a device under repair, a bag of glue, a brush on the 10th, Choctaw powder 12, a cross of copper , an alpine word, copper hook 2 silver

其它附件：仿皮美式台罩1个、鹿牌13mm皮头20粒，修杆器1个，胶水一袋，10号刷子1把、巧克粉12粒，铜十字1个，高山字1个，铜钩2套

A hydrous copper silicate, Chrysocolla is a minor copper ore.

硅孔雀石是一种水合铜硅酸盐，一种极其罕见的铜矿石。

Our factory specializes in manufacturing all kinds of springs: compression spring, tension spring, torsion spring, circlip, special-shaped spring; a variety of car parts: Copper, Iron and steel aluminum car parts ; a variety of Chinese Division: Copper, Iron and Stainless Steel Flat Washers, Spring Washers, both inside and outside China Division, E-ring and other hardware.

本厂专业制造各种弹簧：压簧、拉簧、扭簧、卡簧、异型弹簧；各种车件：铜铁不锈钢铝车件；各种华司：铜铁不锈钢平华司、弹簧华司、内外华司、E型扣等五金。

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。