| 1. | About half of the world's known supply of copper ore is already in use . 全世界已知的铜矿储量,大约有一半已在使用了。 |
| 2. | Study of mining method for inclined thin vein in a copper ore mine 倾斜脉状薄矿体开采方法的研究 |
| 3. | Analysis on quality and price of the marine descaling copper ore 船用除锈铜矿砂的质量与价格分析 |
| 4. | Study of the prospecting ore of luojiahe copper ore in zhongtiaoshan 中条山落家河铜矿床找矿研究 |
| 5. | Experimental study on new flotation technology of the refractory copper ore 某难选铜矿浮选新工艺试验研究 |
| 6. | Experiment study of preparing active cuprous chloride from low grade copper ore 低品位铜矿制备活性氯化亚铜 |
| 7. | Applying geological statistics to evaluate a certain copper ore resource in fujian 应用地质统计学评估福建某铜矿资源 |
| 8. | Study on grade distribution of chambishi copper ore using geological statistics 谦比西铜矿石品位分布的地质统计学研究 |
| 9. | Effect of combined grinding on flotation experiment of tang dan oxidized copper ore 组合磨矿对汤丹氧化铜矿浮选试验的影响 |
| 10. | Methods for chemical analysis of copper ores and zinc ores . determination of copper 铜矿石铅矿石和锌矿石化学分析方法铜的测定 |