| 1. | Application of polyimide foam materials in aerospace vehicles 聚酰亚胺泡沫材料在航空航天飞行器中应用进展 |
| 2. | Avidm technical requirement for aerospace vehicle integrated design manufacture system analysis 航天飞行器集成化设计与制造 |
| 3. | With the development of astronautics , more and more flexible structures have been used into aerospace research 大型化、柔性化和低刚度已是航天飞行器的一个重要的发展趋势。 |
| 4. | Only by pumping more money into the remaining three shuttles can we preserve the manned space programme 只有通过投入更多的资金在其余的三架航天飞行器上,我们才能保住载人航天项目。 |
| 5. | Pyrotechnically actuated separation devices have been widely applied to accomplish the critical functions in aerospace vehicles 火工分离装置广泛用于航天飞行器上完成各种关键功能。 |
| 6. | As computer technology is being used more and more widely , now the sizes of the software used in domestic or abroad aerocrafts are larger and larger . they are realizing more and more functions 随着计算机技术应用的日益广泛,目前在国内外航天飞行器上采用软件实现的功能越来越多,软件的规模也越来越大。 |
| 7. | In this thesis , the mechanism analysis and numerical simulation on the coupling flow field of microwave plasma within resonant cavity of mpt was discussed and the subsystem of small thrust measurement as well as the vacuum experimental study of mpt were completed 在航天飞行器上有广阔的应用前景。本论文对mpt微波等离子体耦合流场进行了机理分析和数值模拟,建立了mpt的小推力测量系统,协同进行了mpt真空环境实验研究。 |
| 8. | Meanwhile , champions of increased automation , notably the former shuttle engineer don nelson and the new york times columnist paul krugman , say that columbia ' s destruction should encourage nasa to retire its aging shuttle fleet once and for all 同时,支持更多的使用自动化的人们,诸如前航天飞行器设计师唐?尼尔森以及《纽约时报》专栏作家保罗?克鲁曼说道,哥伦比亚号航天飞机的坠毁应该促使美国国家航空和宇宙航行局永远让那些日渐老化的航天飞机退役。 |
| 9. | In this thesis , considering engineering application demands , analysis and research work are taken aimed to several key points of gps applications on board of re - entry spacecrafts . moreover , the results of this thesis are simulated and validated via advanede simulation and modeling platform 本文以工程应用需求为背景,针对再入航天飞行器高动态飞行环境,对gps应用的几点关键问题进行了分析和研究,并且利用仿真建模平台对研究结果进行仿真验证。 |
| 10. | Kapton is used extensively on spacecraft primarily as flexible substrates for lightweight , high - power solar arrays because of its inherent strength , temperature stability , excellent insulation properties , ultraviolet ( uv ) stability and infrared ( ir ) transparency . however , polymeric material undergoes severe degration after being exposured on atomic oxygen ( ao ) in low earth oribit ( leo ) 聚合物kapton由于具有较高的比强度,优越的热稳定性、绝缘性、紫外线辐射稳定性及红外线穿透功能,是航天飞行器常用的材料,但由于空间环境中的原子氧对这种材料造成极大的损害,大大限制了这种材料在空间环境下服役时间。 |