By 1978, the use of CFCs in aerosol propellants was banned.
自1978年起，含氯氟烃的喷雾剂压缩气体已被禁止使用。
For proper combustion it is necessary to atomize the propellants.
为了有效地进行燃烧，推进剂必须雾化。
By 1978, in the USA, the use of CFCs in aerosol propellants was banned.
美国自1978年起禁止在喷雾剂压缩气体中使用含氯氟烃。
Iron oxide may be utilized in achieving propellants of ultrahigh burn rate.
氧化铁可用以制出超高燃速的推进剂。
Three propellants are measured and satisfaction results have been obtained.
测试了三种推进剂并获得满意的结果。
Closed burner method is used for determining burning rate of the solid propellants.
密闭燃烧器法是一种间接测定固体推进剂燃速的方法。
However, from what I gather, "hybrid" rocket engines use both solid and liquid or gas propellants.
然而我的理解是，“混合动力”火箭引擎同时使用固体燃料和液态或气态推进剂。
It is a reliable measuring method of the specific impulse for the high-burning rate propellants.
为高燃速推进剂比冲测试提供了可靠的试验依据。
Experimental results show that pressure sensitivity of UHBR propellants may be reduced in this way.
证实用这种方法可以降低UHBR燃烧过程的表观压力指数。
This lays a theoretical and experimental foundation for the development of crosslinked CMDB propellants.
本文为交联改性双基推进剂的研制提供了理论和实验的依据。
This is a comment with 58 references on the plateau combustion mechanism of the double base propellants.
这是一篇关于双基推进剂平台燃烧机理的评论，参考文献58篇。
The combustion performance and energy property of propellants containing nano-aluminum were also studied.
并对含纳米铝粉推进剂的燃烧性能、能量性能进行了测定。
The phase separation between the binder and plasticizer may seriously decrease the properties of the propellants.
两种相分离可以同时发生，但其对复合固体推进剂性能的影响不同。
The dynamic response of the above two kinds of propellants are studied by dynamic compaction and spall experiment.
在动态压缩实验的基础上，本文对两种典型推进剂层裂过程进行了研究。
The spaceship will be fuelled by a "hybrid rocket" -so-called because it contains both liquid and solid propellants.
飞船将使用液体与固体混合的助推剂作为燃料。
Propellants, oxygen and other good stuff never seemed limited, or radiation a risk, or Congressional budgets a curse.
燃料、氧气和其它有用的东西好像是取之不尽的，也没有辐射风险，国会预算也从没卡住航天项目脖子。
Sampling of propellants under typical operating conditions may be necessary to obtain valid capacitance information.
为了获得有效的容量资料，在典型的工作条件下对推进剂取样是很必要的。
The results show that the cumulative damage of propellants under the different stress levels agrees with linear rule.
结果表明，在不同应力水平下，推进剂的累积损伤基本符合线性累积损伤规律。
To that end, NASA will spend billions of dollars developing new engines, propellants, life-support systems and the like.
为了那一目标，NASA将花费数十亿美金打造新的发动机、推进器、生命维持系统等等。
The existence of any extender is not necessary for increasing the elongation of HTPB propellants by bonding agent MAPO.
扩链剂的存在不是键合剂MAPO提高丁羟推进剂伸长率的必要条件。
The use of chain extenders ACTS as an important way to control the morphological structure of HTPB propellants binder matrix.
把扩链剂的使用作为调整丁羟推进剂粘合剂网络及其形态结构的一个重要手段。
The mechanical properties of propellants formulation, which contains PEO binder and is plasticized by nitrate ester were studied.
对聚氧化乙烯(peo)为粘合剂硝酸酯增塑的高能推进剂配方力学性能进行了研究。
The combustion properties of the RDX modified small size propellants are determined by a closed vessel and analyzed theoretically.
通过密闭爆发器实验测定了RD X改性双基小粒药的燃烧特性，并对实验结果进行了理论分析。
The high temperature reaction centre above the burning surface of the double base propellants and its variety regulation are found.
实验发现了双基推进剂燃烧表面上方高温反应中心的存在和变化规律。
The surface modification has been studied on an filler of solid propellants in this paper, by using silane and titanate coupling agents.
本文采用硅烷类和钛酸酯类偶联剂对固体推进剂中的硝酸铵填料进行表面改性。
This paper gives a simplified calculation method which solves equilibrium composition of the combustion products of composite propellants.
本文介绍一种求解复合推进剂燃烧产物平衡成分的简化计算方法。
Since most of the HTPB propellants possess similar aging mechanism, this model can be used to predict storage life of all HTPB propellants.
考虑到大部分HTPB推进剂的老化机理相似，所以该模型具有一定普遍性，适用于HTPB推进剂贮存期的预估。
Since most of the HTPB propellants possess similar aging mechanism, this model can be used to predict storage life of all HTPB propellants.
考虑到大部分HTPB推进剂的老化机理相似，所以该模型具有一定普遍性，适用于HTPB推进剂贮存期的预估。
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