说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 汇流
1)  flow concentration
汇流
1.
Effect of concave herbaceous field about urban rainwater runoff and flow concentration from the process of runoff yield;
从产流过程分析下凹式绿地对城市雨水径流和汇流的影响
2.
Investigation on calculation method for flow concentration with stochastic input;
随机输入情况下汇流计算方法的探讨
3.
The effects of basin nonlinear runoff and flow concentration are considered from the basin climate and the ground characteristics.
考虑到流域气候、下垫面、资料等特征和受人类活动强烈影响条件下对流域产汇流的非线性影响,通过改进时变增益水文模型(TVGM),建立了上层为地表径流和下层为壤中流的流域非线性产流模型;采用1条统一的无因次分配函数曲线来演算径流输出过程;利用可变遗忘因子递推最小二乘算法进行流域洪水实时预报校正,并将研制的模型应用于长江上游牛栏江流域的洪水预报中,用1980~1993年暴雨洪水资料作为模型参数率定期,1996~2002年暴雨洪水资料作为模型检验期。
2)  confluence [英]['kɔnfluəns]  [美]['kɑnfluəns]
汇流
1.
Experiment on the influence of discharge ratio of main flow of tributary on flow fluctuation characteristics in confluence area
主支汇流比对交汇区域水流脉动特性影响试验
2.
The semi freedom short circuit is superposed by parallel plane flow, confluence and ringy turbulence jet.
半自由状态下的短路流场是平行平面流、环形紊流射流及汇流叠加而成 。
3.
Flows of the confluence of Yangtze River and Jialing River in the city of Chongqing are numerically simulated by using Delft3D Model with staggered grids and ADI integral method.
基于Delft3D数学模型,采用交错C网格和ADI法对重庆主城区内的长江及嘉陵江汇流流域进行了流场的数值模拟。
3)  concentration [英][,kɔnsn'treɪʃn]  [美]['kɑnsṇ'treʃən]
汇流
1.
Application of inverse Gauss distribution watershed concentration model to Longwangshan Cascade Reservoirs;
逆高斯分布汇流模型在龙王山梯级水库洪水预报中的应用
2.
An Inverse Gaussian distribution model for computation of watershed flow concentration;
流域汇流计算的逆高斯分布模型
3.
The effects of basin nonlinear runoff and concentration are considered from the basin rainfall spacetime changes and the basin topography as well as the river channel characteristics.
考虑到流域降雨时空变化和流域地形、河道特征对流域产汇流的非线性影响,建立流域非线性产流、汇流模型以及流域洪水实时预报校正方法,该方法应用于洋河水库流域洪水预报,取得较为满意的效果。
4)  conflux [英]['kɔnflʌks]  [美]['kɑnflʌks]
汇流
1.
Calibration of runoff-conflux model integrated and application to flood forecast;
汇流模型参数综合率定在洪水预报中的应用
2.
By the caculation of the mixed gas density and the analysis of conflux,points out the disadvantage of design in conventional system,advice to adopt the method of all exhaust drew in top.
通过对混合气体密度的计算和汇流的分析,指出了常规通风设计的不足,建议全部采用上部排风。
5)  runoff [英]['rʌn,ɔ:f]  [美]['rʌn,ɔf]
汇流
1.
This paper has analyzed the process of watershed runoff and sediment generation based on the physics mechanism, and also discussed the impact of forest vegetation on runoff and sediment yieldof watershed by analyzing the experimental data.
本文从物理概念出发对小流域产汇流及侵蚀产沙过程进行研究,并结合实例分析了流域内森林植被对产汇流和侵蚀产沙的影响。
6)  sink flow
汇流
1.
According to the specific of pit irrigation field engineering, the characteristic of runoff producing rain and sink flow in pit irrigation were analyzed.
根据蓄水坑灌法田间工程的特点,分析了在蓄水坑灌条件下的产汇流特性;在此基础上对单棵果树控制面积内的径流过程、初损历时、径流量及径流系数进行了分析推导,建立了相应的计算模型,并以设计算例说明了计算模型的应用。
补充资料:汇流
      负强度的源流。以一定的流量均匀地流入一点的流动称为三维汇流。在平面流动中,汇是一条直线,流体从垂直于此直线的各个方向均匀地流入该直线。如在流动平面上画出图来,二维汇流看起来是一个点。汇流的强度定义为单位时间内流入该点(或单位长直线)的流体体积。汇流的速度势和流函数的表达式很容易从源流的相应表达式求出。为此只要将式中的源流强度Q改成-Q即可。
  
  地下水或地下石油流入井点可以近似地看作汇流。此外,汇流和源流、偶极子流、涡旋以及均匀流等基本流子联合使用可以解决许多无粘性不可压缩流体无旋运动的绕流问题(见奇点分布法)。
  

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条