明渠,open channel
1)open channel明渠
1.Vertical distribution of oil concentration in sediment ladenopen channel flow;石油在明渠含沙水流中的垂向浓度分布
2.Velocity distribution in narrow and deep rectangularopen channels;窄深矩形断面明渠流速分布的研究
3.Distribution of the bubble chord length and numbers in self-aeratedopen channel flows;明渠自掺气水流中气泡尺寸和个数的分布
英文短句/例句
1.Discussion on engineering design of open channel of general main canal for Phase Ⅰ of Mid-route of South-to-North Water Transfer Project南水北调中线一期总干渠明渠渠道工程设计有关问题的探讨
2.Liquid flow measurement in open channels-Float-type water level gaugeGB/T11828-1989明渠水流测量浮子式水位计
puting Critical Water Depth of Trapezoid Open Channel by Using Steffensen Iteration Method用Steffensen迭代法计算梯形明渠的临界水深
4.A Method for Calculating Critical Water Depth of Open Channel with Trapezoid Section and Smooth Slope小底坡梯形明渠临界水深求法探讨
5.Vertical Velocity Distribution Characteristics Research in Smooth Open Channel;光滑壁面明渠紊流流速特性试验研究
6.Study on "Diversion Angle Effect" of Lateral Intake Flow;明渠岸边侧向取水的“取水角效应”研究
7.The Application of SMS in Open Channel Flowing Measurement System;GSM短信息系统在明渠测流中的应用
8.Stability Characteristics of Laminar Flow on Sand Ripples in Open Channel;沙纹床面明渠层流稳定性特征的研究
9.Research about Method to Calculate Directly of Characteristical Depth of Trapezoidal Channel;梯形明渠特征水深直接计算方法研究
10.Investigation on Bed Shear Stress in Smooth Open Channels;光滑壁面明渠紊流壁面切应力的研究
11.Study on Large-scale Channel Diversion and the Key Technologies of Construction Closure大型导流明渠截流施工关键技术研究
12.Research and Design of Flow Automatic Measurement System on Open Channel明渠流量自动测量系统的研究与设计
13.Study on Hydraulics Characteristics of Flow in Open Channel Consecutive Bends连续两弯明渠水流特性水槽试验研究
14.GPRS-based design of open channel ultrasonic flowmeter基于GPRS的超声波明渠流量计的设计
15.Experimental study on sediment deposition in circulation zone of shallow water flows明渠浅水回流区泥沙淤积的试验研究
16.Research on open channel speed and flow quantity measurement system based on GPRS基于GPRS的明渠流速流量检测系统研究
17.Discuss on Accurate Calculation Formula of Critical Depthof Open Trapezoidal Channel论梯形明渠临界水深的精确计算公式
18.Experimental System for Unsteady Flows of Open-Channel Based on PIV Technology基于PIV技术的明渠非恒定流试验系统
相关短句/例句
open ditch明渠
1.The flux algorithm ofopen ditch weir was introduced.介绍明渠堰槽流量的测量方法,对流量计的硬件电路进行分析和设计,在设计过程中阐述了激光测距传感器的基本工作原理、特点,给出了系统的硬件设计原理图及程序设计方法。
2.According to the motive conditions of theopen ditch, we invented a flowmeter, which isn t afraid of sands and is difficult to corrupt and wear and tear.根据明渠水流的动力特性 ,提出一种具有不怕泥沙干扰 ,耐腐蚀 ,无磨损 ,便于推广应用的流量计 ,该仪表具有断电数据保持 ,系数键盘预置等特点。
3.This paper introduces flow measuring principle ofopen ditch based on the SCP.介绍了明渠自由流的流量采用单片微机进行测量的原理与方法。
3)open canal明渠
1.In diversion scheme selection of Suofengying Hydropower Station, five schemes were designed, these are long diversion tunnel on the right bank, short diversion tunnel on the right bank, diversion tunnel plusopen canal on the left bank, diversion tunnel plus exposed tub on the left bank and diversion tunnel plus exposed tub andopen canal.在索风营水电站工程施工导流方案选择时 ,分别考虑了右岸长导流洞方案、右岸短导流洞方案、左岸导流洞加明渠方案、左岸导流洞加明洞方案和左岸导流洞加明洞与明渠方案 ,并对这 5个导流方案进行了多因素比较 ,最后从保证工期角度选择了左岸导流洞加明洞与明渠的综合导流设计方
2.In this paper,the rivers flow surface curves of theopen canal are newly discussed and classificed by analysing theopen canal rivers flow,the physical meaning and unifying of connection among these curves are revealed,anew method of classification is introduced and the tendency law of the rivers flow surface curves is given.通过对明渠水流运动的分析,对明渠水面曲线进行了新的探讨和分类,揭示了这些水面曲线闻的物理意义和有机的统一,给出了新的分类方法,指出了水面曲线升降趋势的规律。
4)open channels明渠
1.The critical water depth ofopen channels with trapezoid cross sections and smooth slopes is calculated with a weighted approximation method.用两步加权迭代法计算小底坡梯形明渠的临界水深，计算简便，而精度很高：迭代两步所得结果的相对误差为１０－５数量级，迭代三步为１０－６数量级，适用范围也较宽，能满足一般水利工程的需要。
2.In this paper, one dimensional mathematical model of non-steady flow ofopen channels is built;the equations are scattered; the initial and boundary value and others arecomputed;These results are then compared with experimental data to draw a conclusionthat Saint-Vennat equations numerical solutions can be obtained by this example under certain circumstances.说明圣·维南方程组在一定条件下，能够求得比较精确的数值解，为类似明渠非恒定流的计算，提供了一个应用实例。
5)surface channel明渠;路面渠
6)nullah[英]["n?l?][美]["n?l?]渠,明渠;大沟渠;防洪渠
延伸阅读
《明渠及管道水流》实验水力学经典著作。作者是爱尔兰人R.曼宁,18生于诺曼底，1897年逝世。他曾任市政工程办公室主任工程师和爱尔兰土木工程师协会主席。本书稿于1889年提交该协会，次年刊登在该会学报第20卷上，作者修正了以前的阻力公式缺陷，提出了有关均匀流流速的新公式，即，式中K为实验系数；R为水力半径；J为水力坡度。
