查询词典 propellants

If the mission velocity and payload are low, the propellants are fed to the thrust chamber by pressurizing the vehicle tanks.

如果任务的速度和有效载荷低，推进剂是美联储向推力室由施压，车辆坦克。

The mechanisms for AP of the main compositions of composite propellants with additives such as ammonium oxalate, strontium carbonate and AO/SC were studied by FTIR and DSC.

采用傅里叶变换红外吸收光谱和差示扫描量热法研究了草酸铵，碳酸锶及复配的草酸铵/碳酸锶等添加剂对复合固体推进剂主要组分高氯酸铵的作用机理。

A numerical calculation method for analyzing combustion wave structure of solid rocket propellants has been designed.

设计了一套分析燃烧波结构的数值计算方法，可以利用热偶数据有效地分析均质推进剂固相反应的细节，为了解固体推进剂机理提拱了一种重要的手段

Sufficient propellants to drive the turbine are removed from the pump discharge, combusted in the gas generator, and expanded through the turbine to atmospheric pressure.

有足够的推进剂来驱动涡轮机是从泵的放电，燃烧，在燃气发生器，扩大通过汽轮机大气压力。

DuPont says it bought the business as part of a strategy to expand its fluorochemicals business and enhance its presence in fire-extinguishing chemicals, pharmaceutical propellants, and other specialty markets.

杜邦公司说，收购作为一项战略，以扩大其氟化物事业的一部分业务，提高其在灭火化学品，医药推进剂，以及其它专业市场。

The application prospects of HiNC in insensitive high energy explosives, propellants and new gas generants is further explored according to author's research.

结合作者的研究工作，进一步探讨了高氮含能化合物在钝感高能炸药、推进剂和新型气体发生剂等含能材料领域中的应用前景。

Several nitramine propellants are quenched at different initial pressure(up to 300 MPa)by rapid pressure decay in a small-sized ballistic simulator, which is different from the ordinary vented chamber in that it creats the burning environment of the propellant similar to that gun bore,and that the initial pressure before the extinction are relatively high.

用改进的小型弹道模拟装置，对几种硝胺发射药做了中止燃烧实验，中止压力达300MPa，并对中止燃烧样品做了SEM电镜观察。

Any of various halocarbon compounds consisting of carbon, hydrogen, chlorine, and fluorine, once used widely as aerosol propellants and refrigerants.

含氯氟烃由碳、氢、氯及氟构成的卤烃化合物，曾经作为喷雾容器中推进剂及致冷剂被广泛使用，含氯氟烃被认为会导致大气臭氧层的枯竭

It pointes out the characteristics of plasma ignition delays of different types of propellants and obtained the experimental character of main IB parameters under different plasma ignitions.

指出了不同类型火药等离子体点火延迟的变化特点，得出了不同等离子体点火条件下各主要内弹道参量的变化规律。

As there are differences in the physicochemical properties between the two propellants, moving to HFA meant that both the drug formulation and the components of pressurised inhalers, particularly metering valves and gaskets, had to be completely redesigned.

由于有不同的理化性质两国之间的推进剂，转向HFA这意味着双方的药物配方和组成部分的压力吸入，尤其是计量阀门和垫圈，就必须完全重新设计的。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。