| 1. | The water quality analysis and evaluation of guanting reservoir 官厅水库水质分析与评价 |
| 2. | Sedimentation and optimal operation of three gorge reservoir in yangtze river 永定河河口泥沙淤积对官厅水库供水的影响分析 |
| 3. | The use of a horton water quality index assessment to evaluate the water quality guanting reservoir 应用霍顿水质指数法评价官厅水库水质 |
| 4. | The characteristic worthy of attention in senior high school quot; chinese ancient history testing book quot 官厅水库上游水资源可持续利用形势分析 |
| 5. | Guanting reservoir was an important water source to beijing in 1980 ' s , but it loses water supply function for water source has been polluted badly 官厅水库曾是北京市城市供水的重要水源地,由于水源水遭到严重污染,官厅水库丧失了城市供水的功能。 |
| 6. | Sparedescription : tendency of deposition in the guanting reservoir and dredging on mouth bar of the guishuihe estuary are analyzed by the data from the model experiments 描述:在实体模型试验的基础上,对官厅水库的泥沙淤积发展和妫水河口拦门沙的清淤疏浚措施进行了研究。 |
| 7. | In order to improve guanting reservoir water quality , ministry of water resources and ministry of science and technology put a pilot study on biological aerated filter ( baf ) for guanting reservoir water source 为改善官厅水库水源水的水质,水利部、科技部提出官厅水库水源水曝气生物滤池工艺的试验研究。 |
| 8. | According to actual characters of the research areas : guanting and miyun reservoirs , the first schema of improved model is chosen . then a series of technical route is designed , and the methods of realizing the technical route are given 根据研究区密云与官厅水库流域的具体特点选用改进模型方案一,结合实际情况设计了模型应用的技术路线,和实施方法。 |
| 9. | Guanting reservoir water source quality in winter resembles normal sewage wastewater , so the experiment provides the first - hand material of using baf to treat low - temperature sewage wastewater in the cold area 由于官厅水库水源水在冬季时的水质与一般城市污水相似,该试验也填补了两级曝气生物滤池在低温下处理城市污水的空白,并为其用于寒冷地区城市污水的处理提供了第一手资料。 |