| 1. | Density currents generated by saline and fresh water interactions are also important in the transport of sediment in estuaries .
由盐水和淡水相互作用所产生的异重流，在河口泥沙输移中也是很重要的。 |
| 2. | It is necessary to study on the sediment density current
研究异重流具有非常重要的现实意义。 |
| 3. | Analysis of density current characteristic in xiaolangdi reservoir et
2004年小浪底水库异重流特性分析 |
| 4. | Longitudinal distribution law of sediment concentration in unsaturated and heterogeneous density current
异重流非饱和非均匀沙含沙量的沿程分布规律 |
| 5. | The sediment density current is very complicated . the contributions by this thesis supply a good basis for further study on the density current . so it has a practical value
本论文中所推导出的双层计算模式下的异重流方程可作为今后建立异重流数学模型的基础，具有一定的应用价值。 |
| 6. | The discharging sediment with density current is an only measure to reduce reservoir region " s deposition in the reservoir with storage operation on the overloaded river and an important mode to discharge sediment for deposition reduction as well
异重流排沙是多沙河流上的水库蓄水运用时唯一能够减少库区淤积的措施，也是水库排沙减淤的一种重要方式。 |
| 7. | For reservoirs on different rivers , the water - sediment condition , bed condition , reservoir operation mode and discharge construction are different , the producing , movement and discharging sediment characteristics of density current are also different
对不同河流上的水库，由于水沙条件、河床条件、水库运用方式及泄流建筑物的差异，异重流产生、运动和排沙特点也不同。 |
| 8. | The thesis " main studies and achievements are as follows : 1 . under the assumption of double - layer computational mode , the governing equations for the horizontal 2 - d stratified density current is derived by integrating the 3 - d fundamental equations along the flow depth . 2
在异重流双层计算模式下，从三维水沙基本方程出发，利用数学工具沿垂线积分，推导得出了平面二维异重流上、下两层水体的水沙运动基本方程。 |
| 9. | Based on the relative data of density flow in xiaolangdi reservoir in flood period of 2001 , and through analyzing on water - sediment condition of density flow formed and movement element of density current , the common movement law and special phenomenon on forming , operating and discharging sediment of density flow in xiaolangdi reservoir have been clarified in this paper . the relationship of sediment transport of density flow has been explored combining with theory analysis and formula deduction
本文主要依据2001年洪水期小浪底水库异重流的有关资料，通过对形成异重流的水沙条件、异重流运动要素的分析，阐明了小浪底异重流的形成、运行和排沙等方面的一般运动规律和特殊现象，结合理论分析和公式推导，探讨了异重流输沙关系。 |
| 10. | To study common law of producing , transporting and discharging sediment of density flow in xiaolangdi reservoir is convenient to using density current better for serving the production and providing scientific basis for regulating water - sediment in xiaolangdi reservoir . simultaneously it has an important reference value for storage operation of reservoir on the overloaded river and provides valuable data for theory development of density current
研究小浪底水库异重流的产生、输移和排沙等方面的一般规律，便于更好的利用异重流为生产服务，为小浪底水库调水调沙运用提供科学依据，同时对多沙河流水库的蓄水运用具有重要的参考价值，为异重流理论发展提供宝贵的资料。 |
