重力式无阀滤池广泛应用于生产中。
Gravity valveless filter has been widely used in the practice.
不锈钢，无阀盖，法兰刀闸阀。
介绍了无阀型微泵的特点及其工作原理；
The operating principle and flow characteristic of micro valveless pump were introduced.
膨胀机为进气有阀、排气无阀的短活塞型。
The expansion engine which has a inlet valve without exhaust valve, is a short piston engine.
提出了一种新颖的非对称群峰结构无阀压电泵。
A novel valve less piezoelectric pump with Cluster of Unsymmetrical Hump Structure (CUHS) is presented.
介绍了新开发的催化剂无阀输送控制系统的特点。
Characteristics of the newly developed control system for non valve catalyst transfer were introduced.
无阀压电微泵的理论分析、样机制备及其性能测试。
Piezoelectric valveless micro-pump theoretical analysis, prototype preparation and its performance are studied.
推导了此类无阀压电泵的流量计算公式及效率公式。
Some formulae for volume flow and efficiency of the pump are derived.
本文的研究重点是压电双晶梁微驱动器和无阀压电微泵。
In this dissertation, only the piezoelectric bimorph micro-actuator and valveless piezoelectric micro pump are introduced.
实验还表明无阀泵既可以用作液体泵，也可以用作气体泵。
The experiments also show that the valve-less pump can be used both as a liquid pump and as a gas pump.
因此本课题研究存在气泡和气穴时无阀微泵的动态特性是十分必要的。
Therefore, it is necessary to study the dynamic characteristics of valve-less micropump accompanying gas bubbles and cavitation.
在相同电压驱动下气体无阀泵的流量要高于液体无阀泵，但气体泵的背压较低。
The mass flow of the gas pump is higher than the liquid pump under the same voltage, but back pressure of the gas pump is lower.
采用微型压力传感器测试了无阀压电微泵泵腔的压力脉动，并与仿真结果进行比较。
Experiments of the valveless micropump are carried out, including static and dynamic characteristic tests and the results are compared with the simulation results.
介绍了以地表水为水源的水处理系统设计中，不设计澄清池与无阀滤池的另类系统。
The surface water treatment systems without clarifying basin and Valveless Filter Base were introduced.
无阀压电泵用平面锥管内部流动特性分析[J]。排灌机械工程学报，0，：7-。
Analysis on Flow Characteristic of Flat-Walled Diffusers applied in Valveless Piezoelectric Pumps [J]. Journal of Drainage and Irrigation Machinery Engin, 0, : 7 -.
介绍了国外最新开展的关于脉冲管制冷机的研究方向：无阀压缩机驱动的多级脉冲管制冷机。
The newest research direction about pulse tube refrigerator is multi-stage cryocooler driven by valveless compressor.
目前己研制出多种类型的微型泵，而其中无阀微泵因其结构简单等优点成为近年来的研究热点。
Various types of micropumps have been developed, especially valveless micropumps with simple structure attract much more attention and have become focus of research in recent years.
◎水质净化设备系列：如一体化净水器、机械过滤器、活性碳过滤器、无阀过滤器和除铁除锰器。
Water purification equipment Series: If Integrated water purifier, Mechanical filters, Activated carbon filters, Valve filters and for removing iron and manganese.
通过对无阀气功冲击机构的动态特性分析，本文提出了性能参数计算，的线性加速度法，改进了B.M。
Having analysed the dynamic character of valveless pneumatic percussive mechanism, this paper provides a linear acceleration method for calculating characteristic parameters, and corrects B. m.
研究结果为压电驱动无阀微泵的研究和设计提供了参考数据，对于微泵系统的研究和应用具有一定的理论价值。
Research results provide a theoretical basis for the piezoelectric-driven valveless micro-pump structure design and have important reference value for the rationalization of the design of micro-pump.
对于大型阀门，重型VS系列挡车轭类型的涡轮执行机构能够提供非线性特性的扭矩，具有最好的机械性能，适用于阀座和无阀座阀门。
For larger valves, heavy duty VS series scotch yoke type actuators provide nonlinear torque characteristic with the highest possible mechanical advantage for seating and unseating the valve.
针对两相无阀脉冲爆震发动机（PDE），研究了点火能量、工作频率、发动机直径、进气方式和燃料种类等对PDE点火-起爆性能的影响。
The ignition-detonation performance of two-phase valveless pulse detonation engines(PDEs) with the inner diameters of 50 mm and 120 mm in different operation cases was investigated.
针对两相无阀脉冲爆震发动机（PDE），研究了点火能量、工作频率、发动机直径、进气方式和燃料种类等对PDE点火-起爆性能的影响。
The ignition-detonation performance of two-phase valveless pulse detonation engines(PDEs) with the inner diameters of 50 mm and 120 mm in different operation cases was investigated.
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