In order to search for the measure to increase the energy dissipation ratio of stepped spillways,some main influence factors on the energy dissipation ratio of stepped spillways,such as unit discharge,dam slope,height of step and so on,have been studied.
为了探求提高阶梯溢流坝消能率的措施 ,本文首次采用紊流数值模拟方法 ,对影响阶梯溢流坝消能率的一些主要因素 ,如单宽流量、坝坡、阶梯高度等进行研究。
Some research on the Jiangjia gully, Dongchuan, Yunnan province: the unit discharge by runoff of rainfall, the velocity of debris flow and the volume of debris flow.
以10min降雨雨强为基本依据,计算10min降雨的产流及形成径流的单宽流量,从而预报泥石流的发生,由此可以计算泥石流的运动速度、预报泥石流的到达时间。
A local scour depth formula is applied in the calculation of scour depth around a groyne head in a closure work, and the unit discharge (or velocity) around the groyne head is computed by use of the potential flow theory in seepage field.
将局部冲刷计算式应用到丁坝头和堵口截流冲坑深度的计算 ,并引用绕板桩渗流场势流理论计算水流绕坝头的单宽流量 (或流速 ) ,进而给出了进占堵口或丁坝坝头护脚抛石的稳定性计算式 。
A study on optimization of plastic mulching width and discharge per unit width of plastic film mulched spring wheat;
春小麦膜上灌最佳覆膜宽度和单宽流量试验研究
The bottom flow mode was used for the flood discharge energy dissipation of Xihe hydropower station,combining with adjective energy dissipation structures to meet the need of the features of the project,concerning lower water head,low Froude number,high discharge per unit width,large variation of tail water table,weak ability of anti scouring of the bed rock and so on.
喜河水电站泄洪消能采用底流消能形式结合各种辅助消能工以适应低水头、低弗氏数、大单宽流量、高尾水且变幅大,河床基岩抗冲能力差的特点。
Through the testing research of hydraulics model, this paper educes the depth of the cavity back water,bottom slope down stream,ridge height,the speed on the ridge,water depth,unit width flux,Froude Number which has relation with water lingua striking angle down stream and the qualitative analysis for influencing the back water.
通过水力学模型的实验研究,得出空腔回水深度和下游底坡,坎高,坎上流速,水深,来流单宽流量,弗汝德数和下游水舌冲击角度等有关,并对这些因素对回水的影响进行了定性分析。
Study on river diversion and erosion control under condition of narrow river bed, large discharge per unit width, depth overburden layer;
狭窄河床大单宽流量深覆盖层施工导流消能防冲研究
Experimental Study on the Design of Spillway with High Water Head and Large Unit Discharge;
高水头大单宽流量溢洪道的试验研究与设计
Comparing with orifice flowmeter, it features simple structure, ease installation and maintenance as well as wide range.
与孔板流量计相比，具有结构简单，安装、护方便，测量范围宽等特点。
By simply adding bandwidth, the "any-to-any" intranet traffic patterns are easily supported.
简单地加大带宽，就能很容易地支持“任何对任何”的内部网流量模式。
Research for Unity Power Factor Rectifier Based on Voltage Space-vector Pulse-width Modulation;
基于电压空间矢量脉宽调制单位功率因数整流器的研究
Parameter Estimation of Uni-vector Sensor for Wideband Sources;
基于宽带源的单矢量传感器参数估计
Streaming media needs a lot of bandwidth.
流式媒体需要大量的带宽。
Wide Range Measurement Theory and Practical Method for Current Transformers;
宽量程电流互感器理论及实用化方法
Adjustable-speed system with DC pulse width based on MATLAB simulation and one-chip computer;
基于MATLAB仿真和单片机控制的直流脉宽调速系统
single-path diagonal-beam flowmeter
单声道斜束式流量计
Analysis on Vehicle-borne Log-periodic Monopole Antenna Using the Method of Moment
车载宽叶单极对数周期天线的矩量法分析
It is 68 meters high and 81 meters wide, with a flow of more than 700 cuBic meters of water per second.
它高68 米，宽81 米，水流量每秒700 多立方米。
Generator of Spin-current and Spread of the Energy Gap in Quantum-dot;
量子点体系中的自旋流的产生和能隙展宽
Traffic Monitoring and Its Applications Analyzing on Network;
流量监测及其在宽带网络上的应用分析
The Research on Variable-bit-rate Video Traffic Prediction and Dynamic Bandwidth Allocation;
可变比特率视频流量预测与动态带宽分配研究
Flow Control and Bandwidth Allocation Research in Network Processor;
网络处理器中流量管理和带宽分配问题研究
Traffic Schedule Algorithm for Maximum Proportion of Available Bandwidth in Multiple Logical Links
多逻辑链路最大可用带宽比流量调度算法
Pulse Quantitative Determination in Partial Discharge Detection Using Wide Bandwidth Pulse Current Method
宽带脉冲电流法局部放电检测中的脉冲定量
Research on Left-turning Saturation Flow with Different Lane Widths and Turning Radiuses
车道宽度、转弯半径对左转饱和流量的影响研究
