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

• A wet dream is also known as a nocturnal emission.
  湿梦也被认为是夜间遗精。
• 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 influence of the material types on the dynamic friction was studied by the technique of acoustic emission.
  利用声发射技术研究了材料类别对动态摩擦状态的影响。
• 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。
• A high beam energy is also used to stimulate X-ray emission of higher-energy peaks.
  高能量电子束也能用来激发高能量x射线峰的发射。
• 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。
• The theoretical and calculating models of field emission properties of metal cone and wedge are established.
  建立了金属圆锥和楔形场发射体性能的理论计算模型。
• Based on the advantages and shortages of EMD, it is the first time to use this method to Acoustic Emission Testing.
  在分析了EMD方法的优点和不足的基础上，首次提出将该方法应用于声发射检测中。
• 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。
• The point of airport environmental regulation is the pollution of noise and emission.
  摘要机场环境管制的重点是噪声和排放物污染。