| 1. | Study on improving low grade iron concentrate
关于提高低品位铁精矿品位的研究 |
| 2. | Study on bioleaching of low - grade nickel ores in jinchuan
金川低品位镍矿资源微生物浸出研究 |
| 3. | New method to evaluate low grade iron ore deposit of turkey
土耳其低品位铁矿床的新评估方法 |
| 4. | Bioleaching of low - grade ni - cu sulfide ore
生物浸出低品位镍铜硫化矿 |
| 5. | The application of dry filling method in low - grade orebody
干式充填法在低品位矿体开采中的应用 |
| 6. | Utilization of low grade bauxite ore in pingguo nadou mine area
平果那豆矿区低品位铝土矿的利用 |
| 7. | Developing poor quality oil reserves for enhancing china ' s oil security
加强开发低品位石油储量的探索 |
| 8. | Study on cyanide - free process for separation of low - grade lead - zinc ore
某低品位铅锌分离无氰工艺的研究 |
| 9. | Study on the two - stage reverse flotation for a mid - low grade collophanite ore
低品位胶磷矿双反浮浮选研究 |
| 10. | 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 |
