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 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。
• A theoretical model describing the process of the crack combustion and propagation in solid propellant was formulated.
  建立了描述固体推进剂裂纹燃烧与扩展过程的数学模型。
• Liquid oxygen is used as an oxidant for liquid fuels in the propellant systems of missiles and rockets.
  在导弹和火箭的推进系统中氧用作液体燃料的氧化剂。
• 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。
• The factory produces propellant for ballistic missiles.
  这个工厂为弹道导弹生产推进剂。
• 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。
• There are no data in the supercritical pressure region for storable propellant combinations.
  没有关于可贮存推进剂组合在超临界压力范围的数据。
• 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。
• 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。
• Storage time of coating and integrality of adhesion between coating and propellant is important to the reliability of engine.
  包覆层的贮存时间和它与推进剂粘结的完整性对于发动机工作的可靠性来说是非常重要的。