A dynamic simulation model for the control of superheat by the electrical expansion valve has been established . Base on this model parameter setting sampling time and Comparison of Fuzzy control with PID control are discussed .

建立了蒸发器&电子膨胀 阀过热度模糊控制仿真系统， 通过仿真分析了量化因子、比例因子及不同的采样时间，对控制效果及参数设置的影响、模糊控制与PID的控制效果比较；

A further improvement is made to provide a gas valve which is communicated with the air outlet through the airway on the base .

进一步改进，在 底座上设有气 嘴通过气道与出气口连通。

When flux appears liquid and transparent on both tube and valve start sweeping flame back and forth along axis of joint to maintain heat on parts to be joined especially toward base of valve socket .

当焊剂变成液态并且在管道和 阀门上呈现半透明状态时，开始将火焰沿著连接部件的轴线进行进退烘烤，以保持连接部件、特别是阀门套筒 底座部位的热度。

By the instance analysis of the sleeve valve tube grouting for the heavy curtain grouting of large-delta base in a reservoir in Chaoyang this paper demonstrates the construction principles technology practicability and grouting effect of sleeve valve tube grouting method .

通过对潮阳某水库 坝基帷幕灌浆采用袖 阀管灌浆的实例分析，阐明袖阀管灌浆法的施工原理、工艺、实用性及其灌浆效果。

The valve is an absolutely necessary control mechanism used in transportation of fluids by the pipe network and it is widely used in petroleum 、 chemical industry 、 electric plant 、 exploitation of ocean base oil and nuclear industry .

阀门是流体在管网中运输所必不可少的控制机构，在石油、化工、电站、海洋 原油开采，核工业等的工业生产中已经广泛的应用。

The computer aided steady-property-analysis of ideal-zero - opened and four-through slide - valve base on MATLAB

基于MATLAB的零开口四通 滑阀计算机辅助静特性分析

A powder metallurgy material is introduced after a brief analysis of the wear mechanism of the valve seat insert . Such a material contains a hard phase and solid lubricant in a heat-resistant base .

简要分析了 气门阀座的磨损机理后，提出一种在耐热 基体中加入硬质相和固体润滑剂的粉末冶金阀座材料。

Self-priming electromagnetic valve detection system base on embedded platform

基于嵌入式平台实现自吸电磁 阀检测系统

To order specify length from center line of valve to base of floorstand .

订购时，注明从 阀门中心线至地轴承架 底部的距离长度。

This paper introduces the structure composition working principle and design character of automatical welding device of YSP 15 liquidized petroleum bottle valve base .

介绍了 YSP-15型钢瓶瓶 阀座自动焊接装置的结构、组成、工作原理及设计的主要特点。

Firstly chooses the type of some necessary components designs the structure of the valve element valve sleeve and valve base .

首先对液压系统所需的部分元件进行了选型，设计了滑阀阀芯、阀套的结构，并设计了一个集成 阀块的 机械 结构。

Company based in Wales the company is committed to research development of fluid control valves fluid control equipment production systems in many countries the production valve base .

公司总部位于英国威尔士，公司致力于科研开发流体控制阀门，生产流体控制设备系统在许多个国家均有生产 阀门 基地。

Design of the Forging Die for the Valve Base

阀座锻模设计

This article designed a displacement setting mechanism by the fixed quantity of valve model radial column piston as base pump .

以 阀式径向柱塞定量泵为 基泵设计了控制进油阻力的变量机构。

The valve is the new type energy saving high efficient product designed on the base of introducing technology of Japan .

调节 式 挡板 门是公司在引进日本技术的 基础上，消化研制的一种新型节能的高效产品。

Specify required length from centerline of valve to base of floorstand .

注明从 阀门中心到地轴承架 底座的所需要的长度。

The results showed that the relationship of variables influencing solenoid valve performances were complex . After all the selection of parameters and their match and adjustment should base on the experimental investigation .

试验研究结果表明，影响电磁 阀性能的各项参数之间的关系是复杂的，参数的选取、相互的匹配调整，最终应以试验研究为 依据。

It has a better reliability with the design improvement of signal tube site and structure one way valve base piston surface air chamber and tube connection cap .

采用改进的信号管位置结构、单向 阀座、活塞端面气室与接管封帽等后，更有力地提高了产品的可靠性。

The paper introduces machining process and working tools design for valve base the key part of DZ single hydraulic prop particularly presents the machining features in special type pieces after a lathe being replaced by a borer .

带电更换500kV耐张绝缘子串工具的研制介绍了DZ型单体液压支柱关键零件一 柱头 的加工工艺和 专用工装设计，特别介绍了车床改镗床后加工特异工件内孔的特点。

Application of sleeve valve tube in the heavy curtain grouting of large-delta base in a reservoir in Chaoyang

袖 阀管在潮阳某水库 坝基帷幕灌浆中的应用

The Reason of the Damage and its Relevant Solution for High Temperature Ball Valve Sealing Base

高温 球阀密封 座损坏原因分析及解决方法

Reason Analysis and Treatment of Weld Crack in Water Drain Valve Base of Spiral Casing in Longtan Hydropower Station

龙滩电站蜗壳排水 阀 阀座焊接裂纹产生原因及处理

Repair welding of cracks in governor valve base of high-pressure turbine cylinder

高压汽轮机汽缸 调门 座裂纹的挖补处理

The Restoration of TBW250 / 40 Mud Pump Valve Base

TBW250/40泥浆 泵阀 座体的修复

Introduce the concept about valve geometry opening and hydraulic opening on this base discuss the overflowing property of various valves .

引入了 阀门几何开度和水力开度的概念，在此 基础上讨论了不同阀门的过流特性。