化学推进

在MPT中，微波谐振腔是工质吸收与转换微波能量的重要场所，它的功能和化学推进的燃烧室一样。

In MPT system , the microwave resonator is the important component , which is in charge of the gas propellant 's absorbing and transforming the microwave energy , just like the combustion chamber in chemical propulsion .

双模式化学推进技术发展研究

The development of dual-mode chemical propulsion systems

结果表明，采用MPT可大大减少推进剂工质消耗，增加有效载荷；变轨时间明显大于化学推进，但小于相同电功率的其他电推进。

The results showed that propellant consumption was decreased and efficiency load was increased by using MPT , and the OT time of MPT was much longer than chemical propellant but shorter than other kind of electrical thruster with same power .

空间化学推进技术包括双组元推进、单组元推进和微推进技术。

Technology for space chemical propulsion includes bipropellant propulsion , monopropellant propulsion and micro propulsion .

空间化学推进技术的发展

Development of space chemical propulsion technology

本文讨论了除改善现用化学推进系统性能外，采用高比冲电火箭发动机担负探测器主推进的优越性。

This paper discusses the advantage using high specific impulse electric rocket as primary propulsion of spacecraft .

目前，电推进系统正以其优越的性能逐渐取代传统的化学推进。

Electric propulsion , which has an excellent performance , is taking the place of traditional chemical propulsion at present .

目前，电推进系统以其优越的性能逐步取代传统的化学推进系统，被广泛的应用于空间任务。

At present , electric propulsion system has been widely applied in space fight missions and ascendant performance of electric propulsion makes it a substitution of traditional chemical propulsion system gradually .

与传统的化学推进相比，激光推进在概念上的创新主要可归结为两个分离：1、工质和能量的分离，2、飞行器和能源系统的分离。

Compared with traditional chemical propulsion , the main innovation in concept of laser propulsion reduces to two separations : separation of energy and material , and separation of aero-craft and energy source system .

随着微纳卫星技术的发展，能够提供微小推力的MEMS固体化学微推进阵列已成为各航天大国竞相追逐的研究热点。

With the development of micro-nano satellite technology , MEMS solid propellant thruster array , which can provide small thrust and impulse , has become the hot spot of research pursued .

化学能推进系统功耗低、结构简单紧凑，适于微小型化。

Chemical propulsion system is suitable for miniaturization because of its low power consumption and simple structure .

结合气动谐振点火器进行头部设计的氢氧变轨火箭发动机是一项新颖化学火箭推进技术，尤其适于空间站应用。

Orbit maneuver hydrogen-oxygen thruster based on gas dynamic resonance igniter is a novel chemical propulsion technology especially prospective in space station application .

雪福兰科鲁兹电动车演示团队是通用汽车第一个小型的客可上路的电动轿车，其驱动的电池来自乐金电子化学，推进系统来自乐喜金星电子。

The Cruze EV demo fleet will be GM 's first compact sedan electric vehicles to hit the road and will be powered by batteries from LG Chemical and propulsion systems from LG Electronics .

近20年来，利用动植物等可再生资源代替当前广泛使用的石化材料成为热门研究方向，是消除污染、保护环境、实现绿色化学、推进人类社会与环境和谐发展的唯一途径。

For the last twenty years , research interested into the use of natural biopolymers , which was a way of preventing environment pollution , putting into effect of green chemistry and development of human being in perfect harmony .

激光推进是一种全新的推进技术，与传统的化学火箭推进相比具有有效载荷高、发射成本低等优势，对未来国家安全和国防综合实力的提高具有深远意义。

Laser propulsion is a brand-new propulsive technology . Compared with the classical chemical rocket propulsion , it has higher payload capacity and lower launches cost , and it is significant for the future nation security and enhancing the ability of national defense strength .

因此，借助当前计算机网格技术，建立计算化学网格平台，推进e-Science系统的建设，将在很大程度上促进计算化学乃至化学学科的发展。

Therefore , using the grid technology to establish grid computing platform can promote the development of e-Science system , computational chemistry even the chemical disciplines .

强化化学课堂教学改革推进素质教育深入实施

Strengthen Reform in Chemistry Classroom Teaching and Push Forward Ability Education to a New Stage

相比之下，火箭的化学能功率是推进力的一半乘以排气速度。

By comparison , the chemical power generated by a rocket equals one half the thrust times the exhaust velocity .

空间推进方法成功的应用到了二维、轴对称和三维超声速无粘、层流、湍流和多组分有限速率化学反应流动的推进求解中。

Space marching techniques are successfully used in supersonic dominated inviscid , laminar , turbulence and multi-species finite rate chemical reaction flow fields in 2D / 3D and axisymmetric cases .

采用激光代替传统火箭的化学能，激光推进飞行器能够以高载荷比、低成本、安全的方式将有效载荷送入近地轨道。

Using laser instead of chemical energy in conventional rockets , a laser propulsion vehicle can get into low earth orbit with higher payload ratio , less cost and more safety .

论述了化学及化学工业在推进可持续发展战略中举足轻重的地位和作用，阐明了绿色化学的目标和任务。

The decisive role of chemistry and chemical industry during the progress of promoting the sustainable development strategy were discussed , and the objective and task of green chemistry were expounded .