1.Another alternative is to use a valveless setup and rely on a careful synchronization of the shock waves produced to control the gas flows.
另一种方法是使用无阀设置和依赖的生产控制气流冲击波仔细同步。
2.A second stepper motor control FMI valveless pump, for regulating the injection of feed speed and frequency of injection material.
第二个步进电机控制FMI无阀泵，用于调节进给速度和频率注射注射材料。
3.This paper presents the mult- goal optimal design of the valveless pneumatic rock-drilling.
本文对无阀型气动凿岩机进行多目标优化。
4.Hence, in this paper, dynamic characteristics of the focusing system are studied based on the characteristics of valveless micro pumps.
因此本课题在研究了微泵动态特性的基础上，对微流控调焦系统的动态特性进行研究。
5.the valveless hydraulic impact-rotary driving head of roof bolter was proposed.
提出了无阀液压冲击旋转型锚杆钻机动力头结构。
6.studied the working mechanism of valveless pneumatic impactors.
对无阀气动冲击器的工作机理进行研究。
7.Structural design and mechanism analysis of a valveless piezoelectric pump with single bimorph and double chambers
单振子双腔体无阀压电泵结构设计与机理分析
8.The Betterment of the Valveless Water Filter Used for De-ironing
除铁工艺中无阀滤池的改进
9.Numerical Study of Periodical Flows of Piezoelectric Valveless Micropump for Biochips
生物芯片无阀压电微流体泵流场数值研究
10.Experimental analysis on cycle processes of two-phase valveless pulse detonation engine
无阀两相脉冲爆震发动机循环过程实验分析