| 1. | Coal cleaning equipment - performance evaluation 煤净化设备.性能评定 |
| 2. | Reconstruction and improvement of coal cleaning machinery control system 洗煤机控制系统改造 |
| 3. | Developing coal cleaning and processing and lifting economic benefit 发展洗选加工提高经济效益 |
| 4. | The environmental protection of coal mines and the coal clean mining 煤矿区环境保护与煤炭清洁开采 |
| 5. | The development and application of coal cleaner production technology 煤炭清洁生产技术的开发与应用研究 |
| 6. | Reform on jigging technological process in coal cleaning plant of anyuan mine 安源煤矿选煤厂跳汰工艺流程改造 |
| 7. | Research and practice of no . 15 layer raw coal cleaning of liang zhuang prep 良庄洗煤厂入洗十五层原煤的研究与实践 |
| 8. | Study and development of the technology of coal cleaning with heavy - medium cyclone 重介质旋流器选煤技术的研究与发展 |
| 9. | Method for evaluating the lower limit of gravity separation for coal cleaning equipment 煤用重选设备分选下限评定方法 |