Frequency control the use of fans, water pumps, type of machinery to carry out speed control method to regulate the flow of energy conservation, economic efficiency is very important significance.
采用变频调速控制，对风机、水泵类机械进行转速控制来调节流量的方法，对节约能源，提高经济效益具有非常重要意义。
This article introduces an air bubble method for low speed flow visualization in water tunnel.
本文介绍一种用于低速流动显示的空气泡方法。
To surmount these disadvantages, dynamic speed constraint and optical flow method were introduced.
针对这些不足，通过使用动态速度约束和光流法对算法进行了改进。
Research results show that the new method has good identification precision, fast identification speed, it is an effective tool for two-phase flow pattern on-line identification.
研究结果表明，该方法辨识精度高、辨识速度快，是两相流流型在线辨识的一种有效手段。
The influence of the parameters of the valve on responding speed and flow - dividing accuracy is researched by frequency characteristic analysis method.
采用频率特性分析方法研究了元件参数对分流阀的响应速度和分流精度影响。
Frequency control the use of fans, water pumps, type of machinery to carry out speed control method to regulate the flow of energy conservation, improve cost-effectiveness of great significance.
采用变频调速控制，对风机、水泵类机械进行转速控制来调节流量的方法，对节约能源，提高经济效益具有非常重要意义。
It is thought that the velocimeter can offer a simple and compact method to measure the speed of blood flow.
自混合型的半导体激光多普勒测速仅提供了一个简单、便利的测量血流速的方法。
This paper has proposed a method to estimate traffic density using the output(traffic flow and time mean speed) of fixed traffic detectors.
本文提出了一种利用定点检测器数据（流量和时间平均速度）来获取交通流密度的方法。
The experimental results show that this method has the advantages of robustness, global optimality and high convergent speed and it is feasible for optical flow estimation of nonrigid body.
实验结果表明：本方法具有鲁棒性好、全局搜索能力强、收敛速度快和可用于非刚性体运动估计等优点。
For the online flow calculation, two-way iterative method can be simplified in some aspects, which will help increase the speed of calculating.
对于在线潮流计算，对双向迭代算法可以作一些合理的简化，这样有助于计算速度的提高。
The cross flow method is used to estimate the viscous effects on conventional high-speed displacement ship.
采用横向流方法对常规高速排水型单体船所受的粘性影响进行修正。
Outlet pressure and flow are normally controlled by adjusting valve clearance and it causes considerable energy waste. Frequency control of motor speed is a method of solving the problem.
常规的通过调节阀门开启度来达到调节注水泵出口压力和流量的作法，会使很大一部分能量造成浪费，要解决这个问题，可以采取对注水泵进行调速的方法。
For improving speed of distribution network optimum reconfiguration, quickly computing power loss using hybrid power flow calculation method is put forward.
为了提高重构优化速度，提出了利用混合潮流算法快速计算网损的方法。
For gas flow at high temperature and high speed in MHD-channel, a method of measuring gas velocity without physical contact is discussed in this paper.
本文以磁流体发电通道中高温高速气流为测量对象，阐述了非接触式测量流速的方法。
On the basis of moving detection, the detection method of flow and speed is introduced.
在运动检测的基础上，说明了车流量和车速的检测方法。
Wall shear stress method integrates the plug flow displacing, the low speed displacing and the turbulent flow displacing methods in theory.
壁面剪应力设计方法，从理论上把塞流顶替、低速顶替及紊流顶替技术统一起来。
However this method easily makes a confusion in flow regime identification owing to the influence of gas speed.
由于这一技术受到气泡流速的影响，容易造成流型识别的混淆。
In service pipeline non-stop transmission welding is a method to maintenance and rebuild pipeline under welding pipe of certain transmission amount, flow speed, pressure status.
在役管道不停输焊接是在一定的输量、流速、压力的状态下焊接管件，对管道进行维修、改造的一种方法。
The design method of DC motor driving power and rotational speed measuring system is introduced in this paper, and the corresponding electronic circuit and software flow are also given.
介绍了一种直流电机驱动电源和转速测量系统设计方法，并给出了相应的电子电路和软件流程。
Common failure, turbine rotating speeding, paint flow rate and etc. of nine-cup electrostatic hing-speed automatic spraying equipment are analyzed. Solving method is given.
分析了九杯静电高速自动喷涂机设备出现的故障和蜗轮转速、漆流量等问题，给出了解决办法。
The research on design method and test for low specific speed impeller are recounted specifically. It is of very importance to further develop and use in low-flow chemical centrifugal pumps.
着重叙述了低比转数叶轮的设计方法、试验研究，对进一步开发、应用小流量化工用离心泵具有重要指导意义。
A vortex panel method is presented to simulate low speed inviscid separated flow past an airfoil with a spoiler.
本文介绍用涡面元法模拟带扰流片的翼型低速无粘分离绕流。
The method of the present invention makes it possible to fast cut off river safety and reliably in conditions of great flow rate and fast flow speed.
采用本发明方法能在高风险、大流量、快流速的条件下，安全可靠、准确无误、定位抛投材料并快速截断河流。
One dimensional unsteady flow induced by a high speed train entering a tunnel was numerically studied using the method of characteristics.
为了给我国的高速铁路设计提供理论依据，采用特征线法对高速列车进入隧道引起的一维非定常流动进行了数值研究。
Results of the conducted two-phase flow test show that the numerical model of two-phase flow and AMAM solution method are rational and available and AMAM solution method with faster speed.
由水气二相流的实验结果对所建立的水气二相流数值模型和二相交错排序组装矩阵解法(AMAM)的检验，证明该模型及AMAM解法行之有效，AMAM方法的求解速度较快。
Using two-dimensional signal vectors, the process of Doppler shift modulation and demodulation is analyzed, and a signal processing method for extracting flow speed information is derived.
如何测量回波的多普勒频移，实现测流速的目的。 文中从二维信号矢量的角度分析了多普勒频移调制和解调的过程，推导出提取速度信息的信号处理方法。
Power flow method of a distribution system is the base and tool of reactive power optimization, whose convergence and computation speed is very important to the efficiency of optimization.
配电网潮流是配电网无功优化的基础和工具，其计算速度和收敛性将直接影响优化的效果。
This thesis presents a method of vehicle flow and vehicle speed detection based on video and image processing.
本文提出一种基于计算机视觉的车流量及车速的检测算法。
Industrial hot air circulation oven heating method, compared to the normal cooling heating, has better gas flow can speed up the drying speed of the materials within the industrial oven.
工业烤箱的热风循环加热方式，与普通的散热加热方式相比，有着更好的气体流动性，能加快工业烤箱内物料的干燥速度。
Industrial hot air circulation oven heating method, compared to the normal cooling heating, has better gas flow can speed up the drying speed of the materials within the industrial oven.
工业烤箱的热风循环加热方式，与普通的散热加热方式相比，有着更好的气体流动性，能加快工业烤箱内物料的干燥速度。
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