| 1. | Development and application of msq sewage purifying device
型污水净化器研制及应用 |
| 2. | Performance and application of msq 2 type desulfidation catalyst
型污水净化器研制及应用 |
| 3. | A study on purifying device for faecal sewage
粪便污水净化装置的研究 |
| 4. | Improvement of new type sewage purifier
新型污水净化器的改造 |
| 5. | Study progress on purification of sewage by aquatic macrophytes
水生植物在污水净化中的应用研究进展 |
| 6. | A study of purification ability of seven different hydrophytes
伞草等7种水生植物污水净化能力试验研究 |
| 7. | Strengthening control of sewage treatment to ensure discharge of sewage up to standard
强化管理确保污水净化达标排放 |
| 8. | Study on the purification of wastewater in the constructed wetland based on ga - bp network
网络的人工湿地污水净化效果研究 |
| 9. | Benefit analysis of biogas digesters application for the domestic sewage purification in huai ' an city
淮安市生活污水净化沼气池技术应用效益分析 |
| 10. | In general terms , the campaign includes stricter emissions standards for industry and tighter water treatment regulations
总的说来，整治行动包括建立更严格的工业排污标准并对污水净化加强规范。 |
