In order to avoid contamination of microwave window, a technique Vacuum waveguide hasbeen inquired by means of the extraordinary wave mode coupling, and the characteristics of the plasmadischarge in this apparatus have been investigated.
探讨采用真空波导及反常波模式（X模）微波输入技术，以避免微波石英窗口的污染，并研究了这种微波耦合模式装置中等离子体的放电特性。
The automobile engine cover,using a low-cost composite molded by electroplating and taking strong-core carpet as the core material,is made by vacuum persion process.
在复合材料汽车引擎盖的研制中,利用电镀工艺制得了具有镜面效果的低成本复合材料成型模具,并使用强芯毡作为芯层材料,采用真空导流工艺制备出了高质量的汽车复合材料引擎盖,和金属引擎盖相比,具有明显的减重效果;在节能赛车车身研制过程中,利用无模快速成型技术减少了复合材料构件研制周期,降低研制费用,并制得了高性能的赛车车身。
New thread profile of rotors for dry double-screw vacuum pump:single thread with varying pitch;
一种新型无油螺杆真空泵单头变螺距转子型线的研究
Current situation and outlook for R&D of dry screw vacuum pumps
干式螺杆真空泵研究现状与展望
The oil-free twin-screw vacuum pump is a new kind of rotational positive displacement pump.
干式双螺杆真空泵是一种容积式无油真空泵,具有结构紧凑,抽速大,真空度高,可直排大气,使用寿命长,自吸能力强,无易损件,运转可靠,维修维护方便,动平衡性好,振动小,无压力脉动与噪音,可高速平稳工作,适应性强,还可用于多相混输,无喘振现象,易于实现连续排气等诸多优点,因此广泛的应用于冶金、电子、化学、食品、医药、环保等工业生产部门。
Study of Design and Performance of the Rotors Curve of Dry-running Twin-screw Vacuum Pumps;
双螺杆真空泵转子型线设计与仿真研究
Kinetic Analysis and Simulation of Multi-Lobe Progressing Cavity Pump
多头螺杆泵定转子空间曲面的形成及螺杆泵运动学仿真
The Development of Parameter Design about Dry Screw Vacuum Pump;
螺杆型干式真空泵参数化设计软件的开发
The Application of Screw Pumps in Directional Wells and the Technology Research on Annulus Test
定向井中螺杆泵及螺杆泵环空测试技术研究
Applications of the negatively-cambered tooth-surfaces scheme were tentatively discussed.
其中内凹齿面螺杆转子型线在国外多种螺杆式真空泵产品中得到实际应用。
3D Modeling and Milling Simulation of the Screws of Triple Screw Pumps
三螺杆泵的螺杆三维建模及其铣削加工仿真
Dynamics Analysis and Numerical Simulation of Structures of Rod String for Cavity Pump System;
螺杆泵杆柱结构动力学分析及数值仿真
Kinematical Simulation and Parameter Optimization of Single PCP;
单头螺杆泵运动学仿真及结构参数优化
Dynamic Parameter Simulation and Operating Optimization of Surface Driven Screw Pump System;
地面驱动螺杆泵系统动态参数仿真及运行优化
Dynamics Simulation and Structure-Parameter Optimization of Double Helix Single Screw Pump;
双头单螺杆泵运动仿真及结构参数优化
Motion Simulation of ESPCP Special Coupling Based on UG
基于UG的电动潜油螺杆泵专用联轴器运动仿真
Effect of Ambient Temperature and Humidity on Defrosting Characteristics of Air Source Heat Pump
空气温湿度对空气源螺杆热泵机组除霜性能的影响
Simulation of Variable Frequency Drive for Submersible Progressing Cavity Pump and Cycloconvertor Design;
潜油螺杆泵的变频驱动仿真及交交变频器的设计
Kinetics Analysis and Simulation Design of the Key Components of Electrical-submersible-motor-driven Progressing Cavity Pumping System;
潜油螺杆泵采油系统关键部件运动学分析及仿真设计
Multiple-Threaded PCP Parameterized Modeling and Motion Emulating Based on Secondary Development of SolidWorks
基于SolidWorks二次开发的多头螺杆泵参数化建模及运动仿真
A Dynamics Study on Surface-driving Progressing Cavity Pump of Oil Production System;
地面驱动螺杆泵井抽油杆柱力学研究
Development and Application of PCP Special Pumping Rod with Middle Displacement;
中排量螺杆泵专用抽油杆研制与应用
Research on the Screws Design Process and Mechanics Property of 135 Three Screw Pump;
135型螺杆泵螺杆的设计过程及力学性能研究