The size of a sediment particle alone is usually not sufficient to describe it.
单颗泥沙的粒径通常不足以描述其性质。
There is a general seaward fining of sediment particle size within the latter two regions of the delta.
有一种通用的泥沙粒径蔼净化剂的伊洛瓦底江三角洲的两个地域。
Based on precise experimental data, a comparison among several formulae of sediment particle settling velocities is made.
本文利用精确的试验资料对几个泥沙沉速公式进行了比较。
Fifthly, based on the consideration of sediment diffusion because of sediment particle interaction, the equation of vertical distribution of sediment concentration is derived.
五是在考虑泥沙颗粒碰撞扩散的基础上，推导了泥沙浓度沿垂线的分布规律。
The results showed that fine particle sediment type is the main sediment type, which has the sedimentation characteristics of silt shore belt.
结果表明，该区表层沉积物类型以细颗粒沉积为主，具有淤泥质岸带的沉积特征。
The relationship between erosion rates and shear stress was determined by the particle composition, structure, wet density and water content of the sediment.
沉积物的颗粒组成、结构、密度、含水率等决定了冲刷率与剪应力的变化关系。
Its main work includes the Yellow river sediment cross-section tests, river bed surface quality sampling and particle size distribution analysis and so on.
其主要工作内容包括黄河河道断面淤积测验，河道表层河床质取样及颗粒级配分析等工作。
Equations of mass, momentum and second moments for particulate phase are derived from a particle PDF (probability distribution function) equation in dilute turbulent sediment-laden flows.
从颗粒运动的PDF(概率密度分布函数)输运方程出发建立颗粒相的质量、动量和脉动速度二阶矩方程。
This research is about Precipitation simulation based on particle system, research point is the simulation of the chemical reaction which product sediment in liquid solution.
本次研究是采用粒子系统对沉淀现象进行模拟，研究重点是对液体中产生化学反应生成沉淀现象的模拟。
Terrace, fir and bamboo markedly reduce runoff and large particle in sediment transported by runoff.
梯田、杉木林和毛竹林可以显著减少降雨形成的径流和侵蚀泥砂中的大颗粒物质。
In this paper, air permeability test has been conducted to determine the specific surface area of fine particle of sediment.
采用透气法，量测了细颗粒泥沙的比表面积。
Not only convection but also random diffusion of substantial particle and their sediment are considered in the model.
该模型不仅考虑了质点在海水中的对流运动，而且还用大量质点的随机扩散模拟湍扩散过程。
Image analyzing technique is applied to study the particle clouds motion formed by dumping dredged sediment in quiescent water.
本文在试验中运用成像分析方法，研究在静水中抛泥所形成的泥沙云团的运动。
Image analyzing technique is applied to study the particle clouds motion formed by dumping dredged sediment in quiescent water.
本文在试验中运用成像分析方法，研究在静水中抛泥所形成的泥沙云团的运动。
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