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

• 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。
• In this paper, as a new way, perfusion gel was introduced to treat the waste propellant.
  文中介绍了一种处理废弃发射药新方法&灌注凝胶法。
• The final operation in propellant manufacture is the curing of the binder.
  制造推进剂的最后操作是粘合剂的固化。
• Some stratification exists in the spray produced by any liquid propellant injector.
  由任何液体推进剂喷注器所产生的喷雾都存在某些成层现象。
• 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。
• Liquid propellant combustion processes are quite complicated and defy precise analytical description.
  液体推进剂燃烧过程是相当复杂的，很难对其进行严谨的分析描述。
• 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。
• Aim To study the physical and mechanical properties of energy increased deterred propellant.
  目的研究高氮量单基火药吸收硝化甘油增能及钝感以后的物理、力学性能。
• 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。
• 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。