查询词典 valve control

At valve repair, import relief valve repair complex; import relief valve, control valves are used the body parts of the opening gate to regulate the flow of medium, medium pressure to lower pressure after the valve simultaneously with the role of regulation headstock of the opening piece, so that after the pressure valve to maintain at a certain range, the inlet pressure at the ever-changing circumstances, to maintain outlet pressure at setting the framework of the back to protect its pipelines, equipment, pressure, temperature stability ..................

在阀门维修中进口减压阀维修比较复杂；进口减压阀是采用控制阀体内的启闭件的开度来调节介质的流量，将介质的压力降低，同时借助阀后压力的作用调节启闭件的开度，使阀后压力保持在一定范围内，在进口压力不断变化的情况下，保持出口压力在设定的范围内，保护其后面管道、设备的压力、温度的稳定

In many control applications, the valve control valve positioner is one of the most important accessories.

在众多的控制应用场合中，阀门定位器是调节阀最重要的附件之一。

Use of smart valve positioner not only can easily change the flow characteristics of control valve control system can also improve the quality of control.

采用智能阀门定位器不仅可方便地改变控制阀的流量特性也可提高控制系统的控制品质。

Aiming at expansion valve control loop in refrigeration system,the predictive control based on neural network is proposed to control the superheat in evaporator.

针对制冷系统膨胀阀控制回路具有时滞、非线性的特点，提出了将基于RBF神经网络的预测控制用于蒸发器过热度的控制。

Water Fa Zhu, Vice boiler valve, compound feed water control valve Control requirements: control the boiler water, the maintenance of boilers and steam flow of liquid.

给水阀主、副锅炉给水阀、复合型给水调节阀控制要求：控制锅炉进水，维持汽锅液位与蒸汽流量。

Control valve control valve to connect the connection with threaded connections, flanged and welded connections.

3控制阀连接控制阀的连接有螺纹连接、法兰连接和焊接连接等。

Humane environment control: Best temperature control, lamp control and gas valve control, supply a comfortable environment for TBA mansion.

人性化的环境控制：最佳的温度控制，灯光控制，气阀控制，为TBA大厦提供舒适的环境。

Equipment Department of the valve device integrated management: including the ledger set up, the valve procurement, warehousing inspection, transfer and retirement, etc.; water supply valve control center for Safety valves the pipeline network technology management: including the identification of technical standards, the establishment of the valve file cards, valve selection, construction and acceptance; the water plant, branch within the jurisdiction of valves, maintenance and repair, management Plug Valves responsibility for the work unit; valve testing center is testing the functions of the valve unit .

公司设备部为阀门设备综合管理部门：包括台帐建立、阀门采购、入库验收、调拨及报废等工作；供水调度中心为管网阀门技术管理部门：包括确定技术标准、气动调节阀建立阀门档案卡、阀门选型、施工及验收等；各水厂、分公司为所辖范围内阀门的使用、保养和维修、管理等工作的责任单位；阀门检测中心水力控制阀是阀门检测职能单位。

Industrial control and data acquisition, which is a pulse valve control source, the control experiments.

工业控制和数据采集，这是一个脉冲阀的控制原代码，自动控制实验过程。

At First, the thesis researches the dynamic characteristic of servo valve, model of dynamical outfit about valve control unsymmetrical hydraulic ram, influence of the additional disturbing force and the systematic static error, on the base of analysis of fatigue testing machine system. Then the mathematical models of position control system and force control system are built. According to the principle of load-matching, the hydraulic dynamical outfit and power source system are designed and components are chosen. Then the correlative parameters of system model are calculated and the simulation study is carried out.

研究了伺服阀的动态特性、阀控非对称液压缸系统的动力机构模型、附加干扰力的影响以及系统静差，继而建立了位置控制系统和力控制系统的数学模型，并在此基础上计算系统相关参数，对系统进行了仿真研究，进一步分析了系统的稳定性和可控性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。