emission

英 [iˈmɪʃn]

美 [iˈmɪʃn]

n.  (光、热、气等的)发出，射出，排放; 排放物; 散发物

复数：emissions　

CET6TOEFLIELTSTEM8医学

Collins.2 / BNC.3483 / COCA.2915

牛津词典

noun

• （光、热、气等的）发出，射出，排放
  the production or sending out of light, heat, gas, etc.
  1. the emission of carbon dioxide into the atmosphere
     向大气排放二氧化碳
  2. emission controls
     排放控制
• 排放物；散发物
  gas, etc. that is sent out into the air
  1. The government has pledged to clean up industrial emissions.
     政府已保证要清除工业排放物。

柯林斯词典

• N-VAR 散发;释放;放射
  Anemission ofsomething such as gas or radiation is the release of it into the atmosphere.
  1. The emission of gases such as carbon dioxide should be stabilised at their present level...
     二氧化碳等气体的排放应该稳定在当前水平。
  2. Sulfur emissions from steel mills become acid rain.
     炼钢厂排放出的硫形成了酸雨。

英英释义

noun

• the act of emitting
  Synonym:emanation
• the occurrence of a flow of water (as from a pipe)
• any of several bodily processes by which substances go out of the body
  1. the discharge of pus
  Synonym:dischargeexpelling
• the release of electrons from parent atoms
• a substance that is emitted or released
  Synonym:discharge

双语例句

• In cathode ray tube display, the continuation of light emission from phosphor after excitation by the electron beam.
  在阴极射线管显示器中，用电子束激励后荧光物质光发射的持续现象。
• A wet dream is also known as a nocturnal emission.
  湿梦也被认为是夜间遗精。
• Who conducted the experiment of hydrogen emission spectrum in a magnetic field.
  塞曼做了一个，磁场中的氢原子光谱实验。
• Analyzed the existing problems in CDQ emission control system, detailed the modification process of environmental emission control system.
  分析了干熄焦除尘系统存在的问题，对环境除尘系统的改造过程做了详述。
• Your second question is about our position on greenhouse gas emission.
  你提的第二个问题，是关于我们对温室气体排放的态度。
• This is the mathematical basis of computed tomography and positron emission tomography.
  这是计算机层析成像和正电子层析成像的数学基础。
• Its fluorescent emission spectra were measured and the main transition channel were recognized clearly.
  测量了它的荧光发射谱，搞清了它的主要跃迁通道。
• The emission of gases such as carbon dioxide should be stabilised at their present level
  二氧化碳等气体的排放应该稳定在当前水平。
• Application of Acoustic Emission in Earthquake Monitoring System
  声发射在地震监测系统中的应用研究
• Effects of EGR and Cooled EGR on Combustion and Emission of a Diesel Engine
  EGR和冷EGR对柴油机燃烧和排放的影响