针对圆形烟道流速监测点布置存在的问题，用流体力学理论进行分析、优化，在确定采样断面后，在距采样孔0。
In view of problems existing in velocity of flow monitoring points collocation in circular flue, using hydrodynamics theory to analyze and optimize, one monitoring point at 0.
最后又介绍了龙口平均流速的理论计算方法。
The theoretical computation of average flow velocity in the gap also is introduced.
以流体流速作为变化参数，运用稳定性理论分析了平衡点附近定常解的稳定性问题；
Taking the fluid velocity as changing parameter, the stability of steady-state solution near the equilibrium points is analyzed by using Theory of Stability.
本文运用色谱检测器理论，由峰面积与载流流速的乘积是否为一常数可判断某一化学反应是否为快速反应。
Based on the chromatographic detector theory, whether a chemical reaction is a fast reaction or not it can be judged according to the product of peak area and carrier flow rate is a constant or not.
针对外环流活塞泵运转时出现的汽蚀、震动问题，从理论上分析了转子型线与闭死容积、流速变化和发生汽蚀的内在关系；
To the problem of cavitation and shock that appears in the outside circulation piston pump running, the relation-ship between rotor profile and dead volume, flow rate and cavitation were analyzed.
进入到最终稳定挤压阶段时挤压方向金属流速计算值与理论挤出速度吻合很好。
The calculated extrusion speed in the stable extrusion stage is in good consistent with the theoretical one.
利用本文的研究结果还可预测仪表几何参数与来流速度分布对涡轮流量计性能的影响，作为改进仪表设计的理论依据。
The new model can also be used to predict the effects of inlet velocity profile and meter geometry on the meter's performance, and thereby improves the design of turbine flowmeters.
通过严格的理论推导，论证了自适应电流速断保护不仅适用于单回线运行方式，同样适用于双回线或环网运行方式。
Strict theoretical deduction shows that adaptive current fast - tripping protection can be used not only on single - circuit line, but also on double - circuit line.
介绍了一种应用广泛操作简单的测定流体流速的简易仪器，并应用有关流体力学知识加以理论推导与论证。
This paper introduces a useful operational and simple instrument to measure fluid velocity and its principle has been demonstrated by virtue of fluidmatics.
理论分析及实验结果均表明，影响换热管内自旋扭带转速的主要因素是流体轴向流速及扭带半扭距。
The results show that the axial speed of the flow and the half-pitch of the twisted tape are the important factors to the rotating speed of the self-rotating twisted tape.
理论与实验研究结果表明该方法可消除渡越时间效应、湍流和采样单元内流速梯度造成的频谱模糊。
Theoretical and experimental results show that this method can eliminate the Doppler ambiguity spectra produced by transit-time effect, turbulence and velocity gradient in sample volume.
这一方法转化软件可以立即对温度、流速进行计算以适应各种要求，包括保留时间锁定，最高理论柱效和缩短分析时间。
The method translation software will instantly calculate temperature and flow conditions to meet various requirements including retention time locking, best theoretical efficiency, and decreased time.
通过大量的实验证明本文的研究方法及程序较好的模拟了弧形封闭管道的紊流速度分布情况，为下一步研究淤积管道的解决方法提供了理论依据。
Many experiments proved that the theory and program of this article are correct, and it is a good way to solve filled up pipe of circular section.
理论分析表明，液轮机的转速随着流体流速的增加而增大，同时流体阻力降也增大。
The theoretical analyses show that the rotating speed of hydraulic turbine and the pressure drop increase while the flowing velocity increases.
由斯托克斯准数为1／16导出的临界流速值，只有在纯理论研究的计算上才具有意义；
The critical velocity of flow gotten by Stokes'number 1/16 only had its significance in theory.
该方法基于势流理论，考虑门桥的漕渡速度和水流速度，通过坐标变换，确定了速度势的适定性条件。
Based on potential flow theory, current velocity and ferrying velocity is considered. Confirmative conditions of the velocity potential are established by means of transforming coordinates.
本文以随机过程理论为依据，用频谱分析和相关分析为手段，提供了一个评价空调房间气流速度的新方法。
This paper develops a new method to evaluate air velocity in air conditioned room by means of frequency spectrum analysis and correlation analysis based on random process theory, With this method.
通过理论分析和实验结果，推导了天井内的羽流速度和决定环流起始方向的判据。
Based on the analysis of the experimental results, the plume velocity was deduced, and a criteria for determining the initial direction of the circulation plume was given.
利用计算流体力学通用软件FLUENT对整体流场和定转子间隙区流场中周向流速度场进行了数值模拟，并对理论分析进行了补充。
The field of whole flow field and tangential velocity between stator and rotor were imitated based on FLUENT. The analysis in theory was replenished.
基于相关流速理论所建立的虚拟仪器系统测量坡面径流流速是可行的。
Measuring slope flow velocity using virtual instrument system based on cross-correlation theory was feasible.
数值计算的结果表明，对于波面高程和水平流速值，由非线性波理论所得的结果较线性波理论的结果为好。
Surface elevations and horizontal velocities Calculated or observed indicate that the non-linear wave theories provide better results than the linear wave theory.
通过分析理论解，从中得出稳态降深方程、稳态渗流速度方程、准稳态时间方程和理想井间距方程。
Equations of steady drawdown, seepage velocity, quasi steady time and ideal well distance were obtained through analytic seepage equation.
给出了回流区平均速度、最大回流速度及射流作用距离的计算模型，为掘进工作面合理有效通风提供了新的理论依据。
The calculation models are set up on average speed and Max speed in back field and jet effect distance, new theoretical reference is provided for effective ventilation in heading fa.
根据上述的基础理论研究，编制了压裂气井生产过程中支撑剂回流预测软件，该软件可预测支撑剂发生回流的临界气流速度和临界气井产量。
Proppant back-production prediction software is also present in this paper, which can determine the critical gas flow rate and critical daily yield for proppant flowing back.
目的观察正压通气时心内瓣口血流速度和左、右心功能的变化，研究正压通气影响血流动力学机制的新理论。
Objective To observe the effects of positive pressure ventilation (PPV) on hemodynamics and cardiac function of canine and study the mechanism of the influences of PPV on heart function.
从理论解可以看出，探头电极间的感应电动势与来流速度之间呈明显的线性关系。
The theoretical solutions show a clear linear relationship between the flow induced potential produced on the probe electrodes and the approach velocity.
利用本文的研究结果还可预测仪表几何参数和来流速度分布等因素对涡轮流量计性能的影响，作为改进仪表设计的理论依据。
The new model can alto be used to predict the effects of inlet velocity profile and meter geometry on the meter's performance, and thereby improve the design of the turbine flowmeter.
从理论上分析配电线路出口故障时，电流速断和定时过电流保护拒动的原因，从而阐明电流互感器的响应特性对电流保护有很大的影响，最后提出相应的对策。
The causes of refusing action of over current protection when the short circuit arises at the beginning of distribution line have been theoretically analysed in this paper.
对磁性固定柱的制备条件，如受力平衡分析、柱长度的控制、最大耐受流速等进行了理论分析和实验模拟；
Then the preparation of magnetic immobilized beds was investigated theoretically and experimentally, such as the force balance, the control of packing length and the allowable velocity of flow.
对磁性固定柱的制备条件，如受力平衡分析、柱长度的控制、最大耐受流速等进行了理论分析和实验模拟；
Then the preparation of magnetic immobilized beds was investigated theoretically and experimentally, such as the force balance, the control of packing length and the allowable velocity of flow.
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