所有传递问题的研究者都假定在填充床层中的气体为活塞流。
All investigators in mass transfer assumed plug flow of gas in packed beds.
并且使提升管反应器的流型更加接近活塞流，进一步减少返混。
The flux in the riser reactor is close to plug flow, which greatly demotes the back mixing.
更换活塞杆，在活塞杆上增设流道。
提出约束活塞型内燃式水泵的概念并阐述其工作原理，建立了阀式配流系统的动力模型。
The concept of Hydraulic Confined Piston Internal Combustion Pump(CPICP)was put forward, and its working principle was discussed.
作为平均迎角趋于零的特殊情况，本文的数值结果与超声速线化的位流理论是一致的，在高超声速情况与活塞理论一致。
Numerical solutions agree with supersonic linearized potential flow theory as a special case when the mean angle of attack tends to zero and with piston theory in hypersonic case.
该方法是根据当地流活塞理论和片条理论导得的。
The analytical method is obtained by the local flow piston theory plus the strip theory.
分析活塞环弹流润滑性能时考虑气缸套径向变形的影响是非常必要的。
An elliptical cylinder model was built to analyze the effects of cylinder liner radial deformation on the elastohydrodynamic lubrication performances of piston ring.
提出约束活塞型内燃式水泵的概念并阐述其工作原理，建立了阀式配流系统的动力模型。
The dynamic equation of valve type orifice system of confined piston internal combustion pump was built.
数值结果给出了活塞与激波间的流场。
The flow field between piston and shock is obtained by numerical calculation.
羽流可延伸到汽缸膛中对应于活塞位置的一段距离。
The plume may extend into the cylinder bore a distance corresponding to the piston position.
本文在一个拖动的单缸实验机上，利用油点条痕法显示了活塞上燃烧室凹坑中挤流运动的流谱，研究了燃烧室形状和几何尺寸对挤流谱的影响。
The squish patterns in engine piston bowls with different geometry are visualized by the method of oil streak in a motored single cylinder test engine.
内配流径向活塞泵；
第四章主要研究二维等嫡可压缩流轴对称活塞问题激波解的整体存在性。
In Chapter IV, we focused on the global existence of 2-d piston problem in isentropic compressible flow.
基于改进的当地流活塞理论，推导了用模态坐标表示的弹性振动翼面的非定常广义气动力表达式。
Based on the improved local piston theory, this paper presents the matrix expression of generalized aerodynamic forces expressed by the generalized coordinates.
提出了约束活塞型内燃式水泵的概念和它的工作原理，对其阀式配流系统进行了动力分析。
The concept of Hydraulic Confined Piston Internal Combustion Pump (CPICP) and its working principle are put forward, also the dynamic analysis of the valve type orifice system is made.
该至少一个活塞环构造成在至少一个防护罩和至少一个燃料喷嘴之间计量稀释剂流。
The at least one piston ring is configured to meter a flow of diluent between the at least one shroud and the at least one fuel nozzle.
外侧流的最小停留时间、峰值时间和活塞体积分率小，死区体积大。
Compared to the inside outlet, the outside outlet has short minimum residence time and peak concentration time, small plug volume and large dead zone volume.
作为无锈、无蚀管，它的性能是一流的，同时也带来了另一个好处。我们可以放置一个磁铁在活塞处，操作拉杆有限开关——这是一个独特的功能！
As a no-rust, non-pitting tube it is superb, yet it brings even further benefit: We can fit the piston with a magnet and operate tie-rod mounted limit switches - a unique feature!
我公司注册为中高档活塞环的商标推动品牌战略，以先进的设备、完善的管理理念、一流的服务创造公司的名牌！
Our plant is carrying out famous-brand strategy for in middle & high class piston rings, and providing advanced equipments, excellent management, the first-class services.
我公司注册为中高档活塞环的商标推动品牌战略，以先进的设备、完善的管理理念、一流的服务创造公司的名牌！
Our plant is carrying out famous-brand strategy for in middle & high class piston rings, and providing advanced equipments, excellent management, the first-class services.
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