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

• 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。
• Sulfur emissions from steel mills become acid rain.
  炼钢厂排放出的硫形成了酸雨。
• In-situ field electron emission measurement has been conducted on individual zinc oxide nanowire.
  原位研究了单根氧化锌纳米线的场致电子发射性能。
• A wet dream is also known as a nocturnal emission.
  湿梦也被认为是夜间遗精。
• The output of Amplifier has a filter, which can inhibit the out-off-band harmonic waves and unwanted emission component.
  放大器的输出接有滤波器，可有效抑制带外谐波和无用发射分量。
• 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。
• 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。
• 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
• Formaldehyde emission testing on wood panel and finished goods;
  木板和成品的甲醛释放测试；
• 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。