灌溉渠道

基于粒子群优化算法的灌溉渠道配水优化模型研究

Optimization model for discharge distribution of irrigation channels based on particle swarm optimizer

通过分发手动和脚踏泵、修建灌溉渠道、小水坝、金属筒仓；

By disseminating hand and foot pumps , irrigation channels , small dams , metal storage silos ;

清澈的水涌进了灌溉渠道。

Clear water gushed into the irrigational channel .

文中应用免疫遗传算法（IGA）对梯形和U形灌溉渠道断面的底宽及设计水深等参数进行了优化设计。

Immune genetic algorithm ( IGA ) is applied to canal transect design .

HDPE土工膜用于水泥混凝土灌溉渠道修复施工

On using of HDPE geomembrane in repairing construction of cement concrete irrigation canal

U形渠道是灌区广泛推广的灌溉渠道，其具有占地面积少、水头损失小等特点。但U形渠道流速分布规律及其流量测量仍处于研究阶段。

U channel is extensively used in irrigated region , but velocity of flow distributing rule and flux measurement for U channel is being on research stage still .

本文根据灌溉渠道渗漏损失计算目标和实验条件，将线性地质统计学应用于一维空间，探索较大范围点的Kriging最优插值法应用的某些规则与插值条件。

According to the seepage loss through canal measured in field , the linear geostatistics was applied in one dimensional case to explore the applicability of Kriging interpolation in large area .

算例表明，EGA能有效解决灌溉渠道断面和排水沟（管）道的优化设计问题，且具有计算效率高、解的精度好等优点，在农业灌排系统优化设计中具有较高的实用性。

The results of several calculation examples show that EGA is an effective algorithm in solving the optimization problem of canal and drainage section design with good properties such as high efficiency , high precision and applicable to most of the complex optimization problems in irrigation and drainage system design .

山区型灌溉渠道优化配水计算

Study of optimal water distribution of irrigation channel in mountainous area

茂名市灌溉渠道防渗技术及效果

Techniques for Seepage Control of Maoming Irrigation Canals And Its Effect

塑料薄膜在灌溉渠道防渗中的应用

Application of plastic mambrane in seepage control of irrigation canal

灌溉渠道分水口非等流量配水优化模型研究

Study on Optimization Model for Unequal Outlet Flow in Irrigation Channel System

灌溉渠道轮灌配水优化模型与遗传算法求解

Optimization model of rotation irrigation channel distribution and solution with genetic algorithm

灌溉渠道流量调控模型

A Regulation Model for Flow in Irrigation Canal Systems

提出了在有限水位测量和测量误差存在的情况下，完整的灌溉渠道测量&控制的设计方法。

A complete design method for operation control and measuring system is proposed .

田间灌溉渠道有效管理的理论探讨

Theoretical discussions on effective management of farm irrigation canals

自动上游控制灌溉渠道系统计算机模拟

Computer simulation for automatic upstream control irrigation canal system

灌溉渠道支斗渠轮灌配水与引水时间优化模型

Optimal Model of Rotation Irrigation Distribution Channel and Branch Canal and Delivery Time

试论土工防渗膜在灌溉渠道中的节水作用

Discuss the Water-Saving Function of Geomembrane in Irrigation Canal

灌溉渠道闸门调控过程中的非恒定流研究

Unsteady Flow During Regulating Gate in Irrigation Canal

灌溉渠道水力自动控制闸门的运行稳定问题

The Problem of the stable Functioning of Hydraulically Automatic Control Gates in Irrigation Canals

这条灌溉渠道在那儿与水库连接起来，水库对村民们很重要。

There the irrigation canal links up with the reservoir which is very important to the villagers .

大多数灌溉渠道以及贮水系统都成为了废墟，而且该国的种质库在1992年已被毁掉了。

Most irrigation canals and water storage systems lie in ruins , and in1992 the national gene bank was destroyed .

至清初，宁夏平原的灌溉渠道渐趋完善，其分布密如蛛网。

To the early Qing Dynasty , the distribution of irrigation channels in Ningxia Plain had been a dense web and almost perfect .

高地下水位区灌溉渠道滤透式刚柔耦合衬护结构试验研究

Experimentation and Study on Infiltrating-structure for Lining of Irrigation Channel System by Integrated Adopting Rigidity Materials with Pliable Stuff in High-water Table Area

MANN:房屋，农田，工厂，桥梁，道路和灌溉渠道全都被洪水淹没。

MANN : Under all of that water , there are homes , farms and factories , bridges , roads and irrigation canals .

作者通过圣维南方程组的有限差分数值解并使用比例控制方式，编写出计算机程序，实现了自动上游控制灌溉渠道系统的计算机模拟。

Based on the numerical solution of Saint Venant Equations and proportional control mode , the author established a computer program for simulating automatic upstream control irrigation canal system .

该程序也可用于人工上游控制灌溉渠道系统，能够根据取水建筑物的流量需求确定控制建筑物的调节。

It can also be applied to manual upstream control irrgation canal system to determine the adjustment of control hydraulic structures from the water demand of offtake hydraulic structures .

既解决了工程抗冻胀问题，节省工程维修费用，又大大地提高了灌溉渠道输水效率，节约水资源。

It not only solves the problem of frost heaving of canal but also declares the maintenance cost , improves the efficiency of routing , and saves water resources .

地下水活动是岩溶塌陷产生的基本条件之一，大气降雨、人工开采和灌溉渠道渗漏是影响地下水动态变化的主要因素。

Groundwater activity is a basic forming condition of karstic collapse . Meteoric water , artificial exploitation and percolation for irrigation canals are the main influence factor of dynamic variation of groundwater .