推进器

The use of caseless propellant charges as the power source for projectiles and for explosive percussion tools such as nailguns is now established.

目前，用无壳药柱作为弹丸及火药推进器的能源已是被认定的。

An approximation formula used to calculate the characteristics of cycloidal propeller is set up.

二、提出一个计算摆线推进器水动力性能的经验公式，根据本文的试验数据，用最小二乘法求出了经验公式中的系数。

In this paper, the hydrodynamic characteristics and theoretical calculation method of cycloidal propeller have been studied comprehensively, and attempt has been made for cycloidal propellers for using on underwater vehicles, the main research works are as follow

本文就摆线推进器的水动力性能及水动力性能计算方法进行了较全面的研究，并对其在潜器上的应用做了有益的尝试，主要的研究内容包括以下几个方面

Ducted propeller is one of the special propellers, which take great care in domestic and foreign.

导管螺旋桨，作为特种推进器的一种，最近一直受到国内外推进工作者的青睐。

The first generation microthruster integrates a polyimide peristaltic pump with an electrostatically actuated valve, pressure sensors and a temperature sensor.

第一种微推进器集成了聚酰亚胺蠕动泵、静电主动阀、压力传感器和温度传感器。

The undulatory biomimetic propulsor is a new underwater propulsor which emulates the swimming mode of Gymnarchus Niloticus.

波动仿生推进器是以&尼罗河魔鬼&为仿生对象设计的新型水下推进装置。

The undulatory biomimetic propulsor is a new underwater propulsor which emulates the swimming mode of Gymnarchus Niloticus.

摘要波动仿生推进器是以&尼罗河魔鬼&为仿生对象设计的新型水下推进装置。

A microelectrode was inserted into the lumbar cord usingcomputer-controlled motors and a hydraulic microdrive. Neuronalresponses to electrical stimulation of the hindpaw were soughtat 1.5, 2, and 2.5 atm N2O (0.8–1.3 minimum alveolar concentration).

用电脑控制的发动机和水微型推进器在大鼠髓腰段插入微电极，记录吸入1.5、2和2.5atm （0.8–1.3MAC ）笑气时，电刺激大鼠后爪引发的神经元反应。

A four-joint flexible underwater pisciform propulsion system is developed and the control flow chart is presented.

设计了四关节柔性水下仿鱼形推进器，给出了控制流程图，建立了运动学方程。

An unsteady BEM is used to calculate unsteady hydrodynamic performance of the podded propeller. The interactions between the propeller and the pod are treated by two iterative calculation methods: induced velocity and induced velocity potential.

为了计算吊舱推进器的非定常水动力性能，建立了用诱导速度势处理吊舱和螺旋桨非定常相互干扰的方法，并和用诱导速度处理两者相互干扰的方法作了对比分析。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。