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

• Formaldehyde emission testing on wood panel and finished goods;
  木板和成品的甲醛释放测试；
• Waste ( methane emission) management and construction of energy efficient housing;
  废料（甲烷排放）管理和节能房屋的建设；
• Sulfur emissions from steel mills become acid rain.
  炼钢厂排放出的硫形成了酸雨。
• 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。
• 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。
• 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。
• Moreover, did simple quantitive analysis on the indirect CO2 emission in outer power production and buy clinker production.
  同时从外部电力生产和购买熟料生产的两个方面，对水泥生产间接二氧化碳排放也进行简单定量分析。
• 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。
• Such a habit can cause waste of much electricity and energy, and result in the emission of carbon.
  这种习惯会导致电力和能源的浪费，这会导致碳排放。