推移质

推移质对水流阻力影响的定量研究

Quantitative Study on Effect of Bed Load on Flow Resistance

非均匀沙分级推移质公式

Fractional bed load formula of non - uniform sediment

带有大量推移质的堆积河流可以把河槽淤高到几乎与岸顶齐平。

Aggrading streams heavily charged with bed load may fill their channels nearly to the top of the banks .

本文从多方面对Einstein推移质公式进行修正。

Einstein 's bedload transport formula is revised in some aspects .

岩石复电阻率的U形曲线非均匀推移质输沙率

" U " Style Curve of Complex Resistivity of Shaly Sand Transport of Nonuniform Bed Load

很多学者对Einstein推移质公式建立过程中的冲刷概率、泥沙无因次单步运行距离和泥沙交换时间等方面进行了深入研究与改进，并得到了改进后的推移质输沙率公式。

The erosion probability of particles , the nondimensional step length and the exchange time used in Einstein 's bed load function were modified by more scientists and several modified formulas have been proposed .

在修正Gessler，J.冲蚀物级配基础上，提出了推移质级配的计算公式；非均匀推移质级配研究

The grain distribution of the nonuniform bedload is calculated by modifying Gessler 's formula . Study on size composition of bed load

从挟带推移质的水流能量平衡方程出发，引入MeyerPeter和Muller推移质输沙率公式，推导了挟带推移质的动平整床面阻力系数公式。

Based on the energy balance equation of flow containing bed load , and by use of the Meyer Peter and Muller bed load equation , a flow resistance equation for movable plane bed is derived .

依据均匀流假设，采用理论分析与试验研究相结合的方法，借助床面相对剪切应力的推求，得到了沟道植树前后，推移质相对输沙车与植物因子FV之间的关系。

According to assumption of uniform flow , by using theoretical analyses and experimental research and based on the solving method of dimensionless shear stress , authors obtain the relationship between relative bed load transport rate and plant factor before and after planting vegetation in open channels .

宽级配非均匀沙最大起动粒径d（cmax）和推移质总输沙率的推求是刻画非均匀沙推移质输移规律的两个重要指标，也是研究非均匀沙运动规律的核心课题之一。

Computing the maximal grain size during incipient motion d_ ( cmax ) and gross bed-load transport rate in Non-uniform sediment with a wide distribution are two important indexes for description its transport law , and it is also a core question for discussion in non-uniform sediment research .

以MB-II型推移质采样器为例，应用边界层理论，通过计算天然状态及模型率定时采样器出口断面处由边界层引起的相对面积损失，阐明模型试验测得的水力效率较原型偏小的原因。

Taking bedload sampler MB-II as an example , applying boundary layer theory to calculate the comparative area loss caused by boundary layer in field and in model , it is clarified that the hydraulic efficiency measured in scaled model test is less than that in field .

推移质采样器模型试验与相似条件

Model Experiment of Bedload Samplers in Water Trough and Similar Requirement

推移质输沙率计算公式的比较和标准化问题

Comparison of computation formula for bed load discharge and its standardization

来沙条件对山区河流推移质输沙的影响

Effects of incoming sediment on bed load transport in mountain streams

弯曲河道推移质输沙带的研究

A study on the belt of bedload transport in sinuous channel

波浪、潮流共同作用下的推移质输沙计算

Bedload Transport under the Combined Action of Waves and Tidal Currens

清水冲刷推移质输沙率变化规律

Rule of the bed-load transport rate variation by clear water scouring

泥沙粒径对推移质输沙率的影响

The influence of sediment diameter on bed - load transport rate

推移质运动对水流紊流结构的影响

Effect of Bed Material Movement on Structure of Turbulent Stream

对爱因斯坦均匀沙推移质输沙率公式修正的研究

A Modification of Einstein 's Bed-Load Function for Uniform Particles

长江上游卵石推移质数量的计算

Quantity of gravel bed load of the upper Changjiang River

卵石河流库区推移质运动数学模型

Mathematical Modeling of Bed Changes Caused by Pebble-gravel Bed Load

河口推移质水道冲淤计算公式

Calculation Formula of Erosion and Deposition for Bed Load Waterways at Estuaries

山西省部分河流推移质输沙量的分析

Analysis on the bed Load Sediment in Some Rivers in Shanxi Province

北江清远河段推移质运动规律初步研究

Preliminary study on bed load movement for Qingyuan reach in Beijiang River

长江宜昌站沙质推移质输沙规律

Sand Bed-load Transport Rate at Yichang Station of Yangtze River

长江三峡河段的卵石推移质运动

Motion of Gravels as Bed Load in the Yangtze Gorges

输沙量与风速关系的几个问题畛河推移质输沙量预估计算

Several Problem on the Relation Between Sand Transport Rate and Wind Velocity

推移质泥沙级配确定方法的试验检验

Validity verification of methods for determining bedload grain size distribution

长江口非均匀推移质输移及其数值模拟

Transport of Nonuniform Bedload in the Changjiang Estuary and its Numerical Simulation