| 1. | The nature of sand movement depends on the particle size, shape, and specific gravity in respect to the associated velocity and turbulence .
泥沙运动的性质取决于颗粒的大小、形状和比重并与流速和紊动有关。 |
| 2. | First of all , the vertical mixing law of point source in the river is studied
首先研究了河流中点源污染物排放的垂向紊动混合规律。 |
| 3. | The shear stress of particles is about 5 % of the turbulent shear stress of the water
颗粒剪切应力的数值约为水流紊动剪切应力的5 。 |
| 4. | The turbulence intensity is the result of space variation and temporal variation of particle velocity
颗粒速度的紊动强度为速度的空间变化和时间变化共同作用的结果。 |
| 5. | A test analysis of open canal bottom coefficient of roughness anticlimax on turbulent velocity of flow and intensity of turbulence influence
明渠渠底糙率突减对紊流流速及紊动强度影响的试验分析 |
| 6. | This system of measurement and analysis may prove to be beneficial , to the investigation of turbulent structure of the sediment - laden flow
这一量测分析系统将有助于对浑永紊动结构的深入研究。 |
| 7. | The turbulence intensity of particle velocity decreases when particle size or re increases and increases with the increase of fr
颗粒紊动强度随粒径的增大而减小，随fr的增大而增大，随re的增大而减小。 |
| 8. | The turbulent intensity and frequency of the sediment - laden flow are less than those of the clear water flow , but the fundamental structure of the flow remains unchanged
与清水相比较，浑永的紊动强度减小，频率降低，但基本紊动结构并不改变。 |
| 9. | Results show that the longitudinal velocity distribution fluctuates significantly , and that the relative turbulence intensity and reynolds stress have a little increase
结果表明，布设种植圈后，纵向流速分布波动明显，相对紊动强度和雷诺应力均略有增加。 |
| 10. | According to the distribution of the turbulence kinetic energy and turbulence dissipation rate in the whole flow field , the mechanism of energy dissipation of stepped spillway is analyzed
本文首次从紊动能和紊动耗散率在整个流场的变化规律出发，分析了阶梯的消能机理。 |
