| 1. | The wlps system can purify water obviously 利用wlps系统处理,水质净化效果显著。 |
| 2. | Primary study on purifying landscape water with greenland 人工绿地处理景观水净化效果初探 |
| 3. | Purification of eutrophicated water body by vetiveria zizanioids 香根草对富营养化水体净化效果研究 |
| 4. | Efficacy of air - purifying system in purfying air of clean operating room 空气净化系统对洁净手术室空气净化效果 |
| 5. | 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 |
| 6. | Phyto - toxicity of garbage leachates and effectiveness of plant purification for them 垃圾污水的植物毒性和植物净化效果之研究 |
| 7. | Survey on efficiency of electronic dust - accumulated air cleaner for air purification 电子集尘式空气净化机室内净化效果的现场观察 |
| 8. | Primary studies on the purification efficiency of phosphorus by means of constructed wetland system 人工湿地系统对污水磷的净化效果 |
| 9. | Purification effects of floating bed plants on eutrophic water body under low temperature in winter 冬季低温条件下浮床植物对富营养化水体的净化效果 |
| 10. | Purifying efficiency of cyperus alternifolius to domestic sewage and its application in constructed wetland 风车草对生活污水的净化效果及其在人工湿地的应用 |