有色金属

For discussing and evaluating the possibal contribution to atmospheric pollution in the process of utilizing mineral resources,the pollution characteristics and sources of Cu element in the dustfall were evaluated in the typical mining city-Tongling.

为了探讨和评价矿产资源利用过程对大气污染的可能贡献，评价了典型有色金属矿山城市--铜陵市的大气降尘中铜元素的污染状况及其来源。

And the efficiency of rectification , power factor, harmonic and non harmonic current are discussed.

介绍有色金属冶金过程中使用的大功率整流设备的基本要求。

Our company have nonferrous metal products are speckle copper,bronze,electroform copper and etc.and also we offer those products for decoration,gifts,souvenir,embossment,sculpture,sample machining and etc,service.

主要产品有斑铜、青铜、电铸铜等有色金属系列工艺品，能为社会提供艺术装饰、高档礼品、旅游纪念品、铜像浮雕、圆雕、城市雕塑、来样加工、制作等系列服务。

Nonferrous metallurgy is based on metallurgical physico-chemistry and reaction engineering; its research fields involve pyrometallurgy, hydrometallurgy, electrometallurgy, material chemical metallurgy and the separation science and processes; it interrelates closely with ferrous metallurgy, heat engineering, environment engineering, material engineering, information technology, bioengineering, nano technology, chemical engineering, system engineering and artificial intelligence; and it has developed into an integrated and comprehensive engineering discipline.

日前，有色金属冶金学科已经发展成为以冶金物理化学、冶金反应工程学为基础，研究领域包括火法冶金、湿法冶金、电冶金、材料化学冶金、冶金分离科学及过程，与钢铁冶金、热能工程、环境工程、材料科学与工程、化学工程、系统工程、人工智能等学科紧密相关的体系完整、内容广泛的工程技术科学。

To distinguish between ferrous and non-ferrous metals as well as cavities you can work in this mode.

为了区分黑色金属和有色金属以及空洞，您可以在此模式下工作。

And the decline in ferrous metals, in fact, is also far less than that of non-ferrous metals .

而在有色金属下降，事实上，是也远低于非铁金属。

However, existing books often include this topic with their description of ferrous metals.

但是，现有的书籍，往往把这个话题与他们描述的有色金属。

And this time, in addition to real estate, ferrous metals, electronic components and a small number of industries, while the majority are more than 2 times.

这一次，除了房地产，有色金属，电子元器件和少数行业，而大多数超过2倍。

A very small gap between coils and magnets is important, especially if the coils do not have a ferrous core.

一个非常小的差距线圈和磁铁是重要的，尤其是当线圈没有有色金属核心。

Typical magnetization curves for several ferrous materials are shown in Fig.

典型的磁化曲线数有色金属材料显示在图。

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。