propellant

英 [prəˈpelənt]

美 [prəˈpelənt]

n.  喷射剂(如喷雾器中的压缩气体); 推进剂(如发射用火药)

复数：propellants　

TOEFLIELTS化学

BNC.35761 / COCA.20595

牛津词典

noun

• 喷射剂（如喷雾器中的压缩气体）
  a gas that forces out the contents of an aerosol
• 推进剂（如发射用火药）
  a thing or substance that propels sth, for example the fuel that fires a rocket

柯林斯词典

• N-MASS 推进剂；发射药；火箭燃料
  Propellantis a substance that causes something to move forwards.
  1. ...an enormous amount of propellant.
     大量的推进剂
  2. ...a propellant for nuclear rockets.
     核火箭的燃料
• N-MASS （喷雾容器中提供压力的）压缩气体
  Propellantis a gas that is used in spray cans to force the contents out of the can when you press the button.
  1. 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。

英英释义

noun

• any substance that propels
  Synonym:propellent

adj

• tending to or capable of propelling
  1. propellant fuel for submarines
  2. the faster a jet plane goes the greater its propulsive efficiency
  3. universities...the seats of propulsive thought
  Synonym:propellentpropellingpropulsive

双语例句

• The propellant leak detection technology is one of the key technologies for spacecrafts launch and operation.
  推进剂泄漏检测技术是关系到航天器正常运行和安全发射的关键技术之一。
• A chemical agent added to a material, such as rocket propellant, to make it opaque.
  在物质中添加一种化学添加剂，如加在火箭助推器中，使之不反光。
• The ignition and combustion characteristics of pasty propellant are important parameters for the motor design.
  膏体推进剂的点火和燃烧特性是发动机设计的重要参数。
• The use of the solid propellant has significantly reduced the launch preparation time.
  固体推进剂的使用已经重要地减少发射准备时间。
• The calculation results can provide reference for heat transfer process analysis of gun barrel and safety of propellant charge.
  计算结果为分析火炮身管传热过程及发射装药安全性提供参考。
• Studies the ignition mode of solid propellant processed with high-pressure waterjet.
  研究固体推进剂在高压水射流作用下的点火模式。
• An element method to compute the burning surface of a three-dimensional propellant is proposed in this article.
  提出了一种应用于三维装药的通用燃面计算方法&单元法。
• Abstract: The variation of residual energy of propellant in ammunition after long period storage is stud-ied.
  文摘：对弹药在长期贮存过程中其发射药剩余能量的变化情况进行了研究。
• The current situation of applying dimethyl ether as a new aerosol propellant was introduced.
  摘要介绍了二甲醚作为抛射剂在国内外的应用现状。
• The relation of grain size with progressive combustion of the propellant was studied by closed bomb test.
  采用经典密闭爆发器的方法，研究变燃速发射药的药型尺寸与燃烧渐增性的关系。