推力

Coplanar and noncoplanar orbital transfers with finite thrust are dealed with.

对有限推力轨道转移问题，处理了共面和异面轨道转移两种情况。

In this paper ,move ment pri nci ple of rocket i n direction pi pe was got by dy— namic si mulation ,and effect characteristic consideri ng contact stiffness ,detent force and nozzle thrust misalignment a— bout pitchi ng angle velocity was analysis .All the study set foundationfor further study of high—lowpressure launch sys— te m.

通 过发射仿真分析，获得了火箭弹在高低压发射系统中的内弹道变化规律，分析了火箭弹与定向器的接触刚度、耳轴扭转刚度、尾喷管推力偏心等因素对俯仰角速度的影响特性，所得结论为火箭武器高低压发射系统的进一步相关研究奠定了基础。

Presensitized plate, wipe-on plateA jet engine having a turbine-driven compressor and developing thrust from the exhaust of hot gases.

涡轮喷气发动机一种喷气式发动机，有一个涡轮推动的压气机，通过排出热气而产生推力

Pulse detonation engine is a new concept of propulsive engine which uses high temperature and pressure gas produced by intermittent or pulsant detonation wave to generate thrust. PDE has many desirable advantages, including high thermal dynamic cycle efficiency, low specific fuel consumption, high thrust/weight and specific impulse, simple configuration, and will become propulsive device of aviation and spaceflight aerocraft in 21st century.

脉冲爆震发动机是一种利用间歇式或脉冲式爆震波产生的高温、高压燃气来产生推力的新概念发动机，这种发动机具有循环热效率高、燃料消耗率低、推重比高、比冲大、结构简单等优点，将成为21世纪新型的航空航天飞行器的动力装置。

Although regeneratively cooled combustion chambers have proven to be the best approach for cooling large liquid rocket engines, other methods of cooling have also been successfully used for cooling thrust chamber assemblies.

虽然再生冷却燃烧室已被证明是最好的办法冷却的大型液体火箭发动机，其他方法冷却，也被成功地用于冷却推力室集会。

Repace the thrust bearing in the Fidaptor periodically,when you use the Fidaptor repeatedly,bearing will wear and become damaged,thereby losing their smooth rotation and resulting in deteriorated measurement accuracy.

定期更换精度调节器的推力轴承。频繁使用精度调节器后，轴承受到磨损，失去平滑旋转的能力，降低测量精度。2 使用前检查调节器：灰尘、缺少黄油或主轴弯曲均会降低测量精度。

The good design of this device is very important to accomplish flow control and stability of the aircraft construct. The contour of scarfed reversal nozzle has many discontinuous points and a step at supersonic zone. So it can generate a series of expand waves and shock waves, and accomplished with flows separation and reattach.

斜切反喷管作为导弹常用的推力终止装置，能够可靠地完成发动机与有效载荷的分离，它的设计水平对提高导弹命中精度和武器装备的作战性能尤为重要；超声速开式空腔作为流动控制装置，具有减小阻力、增加燃烧混合、延缓边界层分离等作用，但同时也会带来严重的压力波动和噪声，其合理的设计对流动控制的实现以及飞行器结构的稳定性至关重要。

FYB---double-direction angular contact thrust ball bearing is a bearing unit composed of an integral outer ring, a group of sectile inner rings, steel balls, cage assemblies and sealing.

FYB—双向推力角接触球轴承是由一整体外圈、一组剖分式内圈、钢球和保持架组件及密封组成的轴承单元，其结构紧凑体积小，可双向受力，旋转精度高，并可在承受很高径向负荷同时承受一定的轴向负荷。

The person can stand on the top, with lend a swell to push dint in the aquatic skidding.

人可站在上面，凭借涌浪的推力在水上滑行。

The principle for stepless capacity control system has been deduced, and it can be used as the feasibility evidence.

对活塞式压缩机气量无级调节系统工作原理作了详尽推导，对此课题的可行性进行了理论论证，得出了有关最大气体顶推力等计算公式。

The X-ray diffract was used to analyze the crystal structure of the composite. Results show that after the talc was treated with blend coupling agent, the crystal structure of talc changed, and effect Intercalation phenomenon.

通过X射线衍射分析可知，用混合偶联剂对滑石粉进行预处理后，滑石粉晶体结构发生改变，产生了插层现象，使PP／滑石粉复合材料为纳米复合材料。

An authentic Maui wedding might require the services of a 'kahu', which is a Hawaiian minister.

毛伊可能需要一个真实婚礼服务'kahu'，这是夏威夷部长。