本实用新型涉及一种用于三管式多联热回收系统的冷热功能切 换及冷媒分配控制装置。
The utility model relates to a cold and heat function switching and refrigerant distribution controlling device used for three tube type multiple connection heat recovery systems.
本文概述了采用微处理器分区，自动控制三管式彩色摄像机的区域误差，提高其重合精度的新方法。
In this paper the author introduces a new method of improving the coincident accuracy of a 3-tube color camera by using a microprocessor for automatically controlling its partial errors.
根据管径大小，牵引机分别为二爪、三爪、四爪、六爪，切割机分别为锯片式或行星式。
According to diameters, it adopts two, three, four or six-jaw hauling machine and saw or planetary cutting machine.
管道管件应为非扩口压缩式三件构造，由套圈、螺帽和本体组成，适宜安装在不锈钢管道上。
Tube fittings shall be flare less compression type of three-piece construction consisting of ferrule nut and body suitable for use on ss tubes.
有三种设备类型：重力式、下部进料式和管式。
Equipment is available in gravity, underfeed and pipeline models.
该文给出了一种三段式互作用结构谐波倍增回旋行波管放大器互作用电路的理论设计过程。
In this paper, the design procedure of a harmonic multiplying Gyro-TWT with three stage interaction circuits is presented.
本研究的目的在于比较肱骨远端锁定加压钢板(LCP)和传统的三分之一管式板重建的疗效。
The purpose of our study is the comparison of the effectiveness between distal humeral locking compression plates (LCP) and conventional reconstruction and one third tubular plates.
按照悬索式管桥的实际结构特点，建立了三维有限元模型。
Three-dimension finite element model is built according to the actual structural characteristic of suspension pipe bridge.
将二极管箝位式三电平逆变器应用于三相并联有源滤波器以降低开关管应力。
The diode neutral point clamped three-level inverter for three-phase shunt active power filter is applied to reduce the switch stress.
运用两维半、全电磁模型的MAGIC程序对同轴式反射三极管中的虚阴极振荡现象进行了粒子模拟研究。
In this paper the phenomena of the virtual cathode oscillation in coaxial reflex triode are investigated by means of two and one half dimensional and fully electromagnetic MAGIC code.
考虑到系统功率较大，三相桥式功率变换器的每个开关器件均采用四个MOS管并联的结构。
For high power system, every switch of three-phase inverter is actually made up of four MOSFETs in Parallel.
目前常见的多电平逆变器主要有三种：二极管箝位式、电容箝位式和级联式。
Nowadays, there are three prominent multilevel topologies, diode-clamped multilevel inverter, capacitor-clamped multilevel inverter and cascaded multilevel inverter.
并根据管式加热炉的具体情况，建议采用三种不同的计算方法。
Three calculation methods are recommended to suit different cases of tubular heaters.
三辊弯板内承式螺旋焊管机组调型参数是保证焊管成型质量及其稳定性的一个重要因素。
The setting parameters of the three-roll bending plate internally -sup porting spiral welded pipe mill are critical for ensuring satisfactory and consistent quality of the welded pipe formation.
在燃气钢质管道清管过程中，皮碗式清管器受到的磨损较大，而且管道中各类弯头和三通件要求清管器的长度合适，否则容易造成卡堵。
Leather cap type pig has higher abrasion during pigging gas steel pipeline. Furthermore, various elbow bend and tee joint need different suitable length pig or else easy to cause pipeline clog.
为达到改善电机特性的目的，本文提出了一种定转子接触状态为三小区接触的多行波金属管式超声电机。
To improve the performances of BRUSM, the multi-traveling wave metal tube ultrasonic motor is proposed, that the stator is in contact with rotor in three tiny areas.
目的探讨三向瓣膜式PICC导管置管术对预防诺维本化疗所致静脉炎的效果。
Objective To study the effects of inserted PICC tube in preventing phlebitis caused by navebine.
介绍挤塑机使用的三种模具结构及其各自的优缺点，分析挤管式模具偏心产生的原因，进而提出了调节的方法。
The cause for eccentricity of the tube extruding die was analyzed and method of adjustment was proposed.
并配有万能工具显微镜与三管气动测量仪、瑞士进口红宝石比较仪、洛式硬度计等先进检测设备。
And with a microscope and Universal three pneumatic measuring instrument, Switzerland imports Ruby comparator, Luo-hardness, and other advanced detection equipment.
管件止回阀是为直流金属管线设计的三段式结构止回阀。
The Tubing Check Valve is a three-piece construction check valve designed for use with straight metal tube.
在此基础上，采用TI公司的DSP芯片TMS320F 2812搭建了二极管箝位式三电平逆变器的实验平台。
On this basis, a diode clamped three-level inverter experimental is built by TI's DSP chip TMS320F2812.
介绍二轴一径和并流三套管式氨合成塔内件流程和结构，对两种内件的应用情况进行了对比。
The flow sheet and structure of 2 axial and 1 radial type and paralleled triple casing pipe type inner parts of converter are introduced. Comparison on their application is given.
因此本文对基于二极管筘位式三电平逆变器的异步电动机直接转矩控制系统进行了研究。
This paper focuses on the study of direct torque control of induction motor drive based on diode-clamped three-level inverters.
三极管，发光二极管，电解电容，电感，安规电容，晶振等导针式电子元器件立式编带。
Dynatron, light-emitting diode, electrolytic capacitor metalized capacitor, inductance , safety capacitor , crystal oscillator , and other kind of electronic components tape.
比较了高炉炉顶煤气管三岔管式连接和球式连接的特点，阐明了球式连接的实用性。
The paper compares the pipe joint method of 3-branches with that of globe on the roof of blast furnace, and expounds the practicability of globe joint.
设计了由三轴差速机构、管径适应机构组成的管道机器人三轴差动式驱动单元，对驱动单元在直管、弯管的差速特性与力学特性进行了理论分析。
This paper discusses the mathematical modeling of in-pipe robot, and the analysis of the robot for fitting in pipelines such as siphon and branch pipeline.
外置式喷嘴机构包括三通阀，分别连接出汽管道末端、饮料管和喷嘴。
The external nozzle mechanism comprises a three-way valve for connecting the tail end of the steam outlet pipeline, a beverage straw and a nozzle respectively.
探火管式感温自启动灭火装置的探火管或释放管三通接头的分流出口应水平安装；
The fire detection device detection tube or the release tube tee joint outlet should be installed horizontally;
探火管式感温自启动灭火装置的探火管或释放管三通接头的分流出口应水平安装；
The fire detection device detection tube or the release tube tee joint outlet should be installed horizontally;
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