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节流     
相关语句
  throttle
     Welding of throttle device made from 10CrMo910 steel
     10CrMo910钢制节流装置的焊接
短句来源
     A Multistage Throttle Gate Feed Valve Used to 400~670t/h Drum Boiler
     用于400~670t/h汽包锅炉的多级节流闸板给水阀
短句来源
     Characteristic Analysis of a Newly Developed Flow Sensor Based on Throttle Principle
     基于节流原理的新型流量传感器的特性分析
短句来源
     The speed-load characteristic in hydraulic transmission system by throttle control
     液压传动节流调速系统的速度负载特性
短句来源
     Dynamic Stiffness Analysis of Throttle Speed Regulation
     节流调速动态刚度分析
短句来源
更多       
  throttling
     This paper presents the control principle and method based on the equivalent throttling action of an aircraft arresting system and also presents the simulation of the arresting process by using this method.
     文章主要给出了某型飞机拦阻系统基于当量节流作用的控制原理及方法 ,进行了拦阻过程仿真 ,仿真结果表明 ,采用此控制方法设计的系统能够适应不同撞网状况飞机的拦阻。
短句来源
     Stress Analysis for Throttling Pipe of Feedwater Regulating Valve in 300MW unite by Finite Element Method
     有限元法分析300MW机组给水调节阀节流管应力
短句来源
     The minimum value of throttling function in fire zone is 0.83, the in-let wind speed lag declining rate is 1.67×10 -3 ?
     着火分支节流函数的最小值为0.83,其入口风速滞后下降速率为1.67×10-3m/s2;
短句来源
     ISOENTHALPY THROTTLING EFFECT OF LIQUID AMMONIA
     液氨等焓节流效应
短句来源
     5. The internal ballistics and the throttling performance of 85% H2O2-PE hybrid rocket motor loaded with tube grain are studied.
     5.研究了管型药柱的85%H_2O_2-PE固液火箭发动机的内弹道性能和节流特性,分析了两台发动机的试验结果。
短句来源
更多       
  choke
     Throttling Mechanics of Downhole Choke and Its Application
     井下油嘴节流机理研究及应用
短句来源
     Design of manual choke & stop valve
     手动节流截止阀设计
短句来源
     Based on energy conservation theory and van der Waals's mixed rule, a mathematical model considering phase equilibrium with Peng-Robinson equation is deduced to describe gas flow through choke and temperature drop through choke.
     基于能量守恒原理和范德华混合规则,导出了天然气节流温降机理模型,该模型采用Peng-Robinson方程描述天然气节流的相平衡过程。
短句来源
     Do the wind tunnel test (MianYang) for analyzing the feasibility of the multi-stage choke and kill system, and carry on the field experiment (KangCun-2 well), ensure the application effect on the multi-stage choke and kill system in practice.
     采用风洞试验(绵阳)对多级节流压井系统的可行性做了定性的分析,并进行了现场试验(康村2井),确保了多级节流压井系统在实际中的应用效果。 针对多级节流压井系统开展的大规模试验研究工作,属国内外相关领域首开先河之举,不但取得了一大批宝贵的试验结果,也将引起国内外的广泛重视。
短句来源
     This system mainly include multi-stage choke manifold、 control unit and control software.
     该系统主要包括多级节流管汇、控制装置和控制软件。
短句来源
更多       
  flow restriction
     In this paper, resonance conditions are put forward of two transfer functions for flow restriction in straight line, a set of calculating formulae are concluded of estimating resonance frequency, peak and phase difference, and the results calculated on these formulae are compared with that calculated on precise model. The error is within 5.5%, this shows that the estimating method in this paper is successful.
     本文提出了直管节流两种传递函数的谐振条件并归纳了一套估算谐振频率、谐振峰值及谐振相位差的计算公式,并与按精确模型算得的谐振频率、峰值、相位差进行了比较,其误差在5.5%以内,证明本文提出的估算法是成功的。
短句来源
     This paper analyzes mainly the mechanism of flow restriction with diaphragm feedback, comes to some useful conclusions, and gives the definition of pressure comfen- sated flow restriction.
     本文主要分析了薄板反馈节流的工作机理,给出了一些有益的结论,并给出了压力正反馈节流的定义。
短句来源

 

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  throttle
An investigation has been made in an aerodynamic shock tube, with M=8, of the diffuser starting with variable Reynolds numbers, and its throttle characteristics have been recorded.
      
This paper is devoted to the further investigation of diffuser operation with variable Reynolds numbers, and to determining the throttle characteristics, in particular, the total pressure reduction coefficient.
      
This corresponds to the presence in the exit section of the duct of a throttle or an impermeable barrier (in which case the flow rate is zero).
      
It should be noted that in this formulation the problem is of practical as well as theoretical interest, for example, in connection with the problem of designing throttle EHD converters [5].
      
Complete Navier-Stokes equations are solved numerically for the case of an intense swirling flow in an axisymmetric channel with an orifice plate in the delivery cross section and a throttle in the form of a peripheral slit at the opposite end.
      
更多          
  throttling
The article considers inverse phenomena, with energy separation in a classical gas ejector, consisting in the fact that the cold and hot air zones change places, depending on the throttling conditions at the inlet and outlet of the ejector.
      
Fluctuations of the flow parameters of an incompressible viscous fluid in a collar-type flow throttling device
      
The flow in channels of the labyrinth seal type with one or two throttling stages is calculated on the interval of Reynolds numbers Re from 1.9·104 to 4.5·105.
      
Calculation of Filtration Throttling of Liquefied Gas with Evaporation
      
Conditions are determined under which convective heat transfer can be efficiently enhanced through artificially turbulizing the flow of coolant by means of periodical throttling, and the degree of this enhancement is evaluated.
      
更多          
  choke
A high-voltage switch of submicrosecond range based on an assembly of reverse switch-on dynistors (RSDs) connected in series and a coaxial saturable-core choke is described.
      
Dynistors are triggered using a control circuit in the form of a high-voltage magnetic-compression section, in which the current-forming capacitor is charged from the power-circuit capacitor using an additional low-power saturable-core choke.
      
Two types of sliding choke plungers have been proposed and tested.
      
Physical processes occurring upon turning-on of the transistor in a converter stage with a saturable-core choke, placed in the clamping diode's circuit, are analyzed.
      
It is shown that the use of the saturable-core choke can be expected to reduce the energy loss by half or more.
      
更多          
  flow restriction
The effect of coronary flow restriction on the viability of porcine myocardium
      
The effect of a prolonged (3 hours) defined coronary flow restriction on early (30 minutes) and late (24 hours) reperfusability and survival of the myocardium was studied in a closed-chest pig model.
      
Coronary blood flow (CBF) was restricted to 51±4% (moderate flow restriction) and 36±6% (severe flow restriction) of preexisting resting flow values.
      
Regional determination of the restricted CBF after severe flow restriction showed the anticipated extension of the ischemic area from endocardial to epicardial layers and to the lateral border zone.
      
The amount of infarcted tissue in the area supplied by the left circumflex artery was 5.7% after moderate, and 31.6% after severe flow restriction.
      
更多          
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