有色金属

The rats were exposed to lead acetate through intragastric administration for 8 weeks.

铅已成为当今社会使用最广泛的有色金属之一。

Sms meer gmbh engages in the development and manufacturing of the equipment and production lines for tube, sections and ferrous metal manufacturing and forging industry and has become a leading supplier in international market through ever-changing innovation.

西马克梅尔有限公司从事开发和制造用于管材，型材，有色金属生产制造业和锻造工业所需的设备和生产线，通过不断的创新成为市场的领导者。

The Altay metallogenic zone is one of the most important nonferrous and precious metals mineralization zones in China.

阿尔泰成矿带是我国最重要的稀有金属、有色金属和贵金属成矿带之一。

Zinc are one of the important nonferrous metals, which plays an role in the national economy.

锌是重要的有色金属之一，在国民经济中占据了很重要的地位。

High quality welding of various mild steel, stainless steel and colored steel.

可对各种低碳钢、不锈钢及各种有色金属的板材及线材进行高质量的焊接。

Key Laboratory of Non-ferrous Materials Science and Engineering, Ministry of Education

中南大学有色金属材料科学与工程教育部重点实验室，长沙 410083

Key Laboratory of Nonferrous Materials Science and Engineering, Ministry of Education, Changsha 410012, China

有色金属材料科学与工程教育部重点实验室，湖南长沙，410012

Based on its own advantages, Kuntai has focused on one field and at the same time developed mixed farming. Based on its industry, it has also developed capital operation. It has more than ten full-finance and holding sub-enterprises, including Shanghai Yincheng Enterprise Development Group Co.Ltd., Shanghai Yincheng Sheshan Silver Developing Co.Ltd, Shanghai Kuntai Nonferrous Metal Co.Ltd, Qinling Copper Factory, Shanghai Kuntai Real Estate Co.Ltd., Shanghai Yincheng Kunhong Metal Powder Development Co.Ltd., Shanghai Kunxin Nanometer Material Co.Ltd, Shanghai Kunze Culture and Media Co.Ltd., Shanghai Kunyang Glue Size Co.Ltd., Shanghai Qiangdi Enterprise Development Co.Ltd and so on, with the net assets value of more than 1 billion Yuan and the share capital of more than 5 billion Yuan.

公司凭借自身实力，一业为主，多种经营，实业为本，兼具资本运营，下属上海银城企业开发集团有限公司、上海银城佘山白银开发有限公司、上海坤泰有色金属有限公司、秦岭铜厂、上海坤泰房地产有限公司、上海银城坤宏金属粉末开发有限公司、上海坤鑫纳米材料有限公司、上海坤泽文化传媒有限公司、上海坤阳浆料有限公司、上海强地企业发展有限公司等10多家全资、控股企业，净资产10多亿元，控股资本规模50亿元以上。

In this paper, the geochemical characteristics of granite in Jiangjunzhai tungsten deposit and the Re-Os isotopic dating of molybdenite from quartz-wolframite veins were studied and carried out, in order to elucidate the timing of mineralization and reveal the time limites and geodynamic setting of large-scale metallogeny in Southeast Hunan.

文章研究了白云仙矿田将军寨钨矿花岗岩的地球化学特征，并进行石英脉型黑钨矿石中辉钼矿的铼－锇同位素定年，以精确厘定将军寨钨矿的形成时间，揭示湘东南地区钨、锡等有色金属成矿的时限及其地球动力学背景。

objective to evaluate the prevalence of dental caries for children living in nonferrous metal industrial areas and non-industrial areas in gansu province and to provide evidence for oral health promotion.

目的 了解甘肃省某有色金属工业区儿童龋患状况，探讨环境对儿童患龋的影响，为开展牙病防治工作提供依据。

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。