However, the need for oil flow in hydraulic circuit reverse flows can use hydraulic control, opening a one-way valve, so that the flow of oil can flow in both directions. 但在液压回路中需要油流反向流动时又可利用控制油压,打开单向阀,使油流在两个方向都可流动。
Activity-Based Cost Management Apply in Changqing Oil Production Plant NO.2 Study on the Project Management in the Flow Circuit Online Monitoring System-project Example from 6th Extraction Factory in Daqing Oil Field 长庆油田采油二厂作业成本管理研究项目管理在大庆采油六厂管网监测项目中的应用研究
Specially, during recuperating, the liquid flow forms differential circuit as a certain nonreturn valve is opened. 特别是在复进运动过程中,由于某单向阀打开,使液体流动构成一差动连接回路。
The process whereby changes in the current flow in a circuit produce magnetism or an EMF. 电路中的电流变化产生磁力或电动势的过程。
The utility model is provided with an oil flow monitoring circuit and comprises an oil flow sensor signal-input circuit, a voltage-frequency converter, a central processing unit and a power supply. 设有油量监控电路,包括油量传感器信号输入电路、电压频率转换器、中央处理器、电源。
This thesis also displays the flow charts and circuit diagram of part of the software of the whole system. 本文还给出了整个系统的部分软件流程图和电路图。
When the passive filter is applied in harmonic suppression, the harmonic current may flow through the circuit breaker and filter branches. 采用无源滤波器治理谐波时,谐波电流会在母联断路器和各支路间流动。
Study on the Project Management in the Flow Circuit Online Monitoring System-project Example from 6th Extraction Factory in Daqing Oil Field 项目管理在大庆采油六厂管网监测项目中的应用研究
Especially introducing world-wide research status cross-correlation flowmeters, the paper brought out the main task of this project, which was researching on an ultrasonic gas flow measurement circuit system based on the cross-correlation theory and making it feasible in measuring fluid flow. 接着介绍了超声波流量计的工作原理及特点,重点阐述了相关法超声波流量计国内外研究状况,并确定了本文的主要研究任务&相关法超声波流量计二次仪表的研究,并用于气体流量的测量。
This paper introduces the improvement of mass spectrometer system and its controlling methods in incremental modification of EO/ EG units, and the design and application of rapid circuit part and flow circuit switching part in pretreatment. 介绍了在环氧乙烷/乙二醇装置增量改造中对质谱仪系统及控制方法的改进,以及预处理系统中快速回路部分、流路切换部分的设计。
Steering use of fixed displacement pump and some kinds of flow control circuit 定量泵和几种调速回路的节能使用
An analysis of the cause from which the experimental curve of the bypass flow control circuit has a sudden fall 旁路节流调速实验曲线下凹的原因分析
This paper introduces the functions, flow chart and circuit diagram of the panel. 介绍该空压机联控系统的功能、流程及电路。
A New Energy-saving Hydraulic Flow Adjusting Circuit with Low Loss Heating 一种新型的节能低热耗液压调速回路
Finite Element Analysis on the Valve Block of Pulsating Flow Hydraulic Circuit 交流液压回路阀块有限元分析
Holds that to design a system with only single variable flow circuit can avoid these problems. 设计单环路空调冷冻水系统可以避免上述问题。
Based on 3-dimensional hydraulic fracturing model and the similarities between fluid flow in limited entry fracturing process and electricity current flow in circulation circuit, a numerical model was developed to compute the injection reallocation rates in different layers. 基于三维水力裂缝几何模型,根据限流压裂设计中流体流动与循环电路中电流流动的相似性,建立一个计算限流压裂设计中各层注液量分配的数值模型。
In this article, we have been designed a kind of electrode change device for distributed high density resistivity instrument and provided its theory and work flow and its circuit diagram. 在文中设计了一种应用于分布式高密度电阻率仪的电极转换装置,介绍了该装置的工作原理、工作流程,给出了详细的电路原理图。
Flow rate and hot face tube temperature would pulse when water flow circuit was pulse in the parallel tube, and then the security of the waste heat boiler decrease. 水循环的脉动会使并联管内循环流速和管壁温度发生脉动,余热锅炉的安全性下降。
This paper analyses the influences on ablation from nozzle geometry and dynamic parameter of gas flow in circuit breaker. 本文着重分析了断路器喷口的形状尺寸,喷口内气动参数对其烧蚀的影响。
Research for Pressure Flow Characteristics of Flow Control Circuit 流量调速回路压力-流量特性研究
Firstly, the paper introduce the basic flow of Digital Circuit system design based on FPGA and the body content of RDSP ( Radar Digital Signal Processing). 本文首先介绍了利用FPGA设计数字电路系统的流程和雷达数字信号处理的主要内容。
Design flow of analog circuit begins with drawing schematic and includes simulation, layout, DRC/ LVS check, parasitic extraction and post-simulation. 模拟电路从Schematic开始,其设计流程包括:仿真,版图绘制,DRC/LVS检查,寄生参数提取和后仿真。
On Treatment of Experimental Data of Making the Flow Circuit 浅谈制流电路实验数据的处理
The analysis of specific character of partial pressure and limited flow circuit 分压与限流线路特性分析
Integration of SCM, Logistics, Information Flow Circuit and Capital Flow SCM与信息流和资金流及物流的统一整合
Power flow and short circuit current calculation are the important facilities in the power system analysis. There are the basis of relay protection setting and security analysis of power system. 潮流和短路电流计算是电力系统分析的重要工具,是进行系统继电保护整定,安全分析的依据。
Then the working principle of boom throttling circuit and flow regeneration circuit is analyzed. The mathematical model of the two kinds of circuit is established. 接着分别阐述了动臂节流回路、普通流量再生回路的工作原理,并建立了两者的数学模型。
The motive of this dissertation is developed the whole chip ESD protection design methodology and simulation flow from the circuit designer view. 本论文研究目的是从电路设计者的角度研究全芯片ESD保护设计方法。
The effect of differential cohomology algorithm is validated by single-phase variable flow parallel circuit parameters polymerization. 通过单相变流器并联电路的参数聚合,初步验证了微分同调算法的效果。