emission是什么意思？

emission

英[iˈmɪʃn] 美[ɪˈmɪʃən]

• n. 排放，辐射，排放物，散发物（尤指气体），（书刊）发行，发布（通知）；

复数：emissions;

例句

• Remove the EGR tube ( refer to Group 25 , Emission Control Systems ). 拆下egr软管 ( 参阅单元, 废气控制系统 )
• All automobile engines now built are equipped with the positive - crankcase ventilation system of crankcase emission control. 所有现代制造的汽车发动机,都需要装备控制曲轴箱有害污染的曲轴箱强制通风系统.
• Several different types of troubles may be caused by improper conditions in the evaporative - emission - control systems. 蒸发控制系统的不正常工况能引起不同类型的故障.
• With ultrared remote control and wireless emission, this product is of high technique. 本产品采用红外遥控,无线发射, 系高新技术产品.
• More and more people attach importance to reducing greenhouse gas emission. 越来越多的人开始重视减少温室气体排放.
• One set of provisions tightens emission standards. 一套使排放标准更加严格的规定.
• This chapter describes methods of estimating airborne pollutant concentration distrubutions associated with various emission sources. 本章论述几种有关各种排放源的大气污染物浓度分布的估算方法.
• Finally we concluded the characters of the fabrication of field emission cathodes in large. 总结了规模化碳纳米管场发射阴极制备工艺应具有的特点.
• Both ionization and excitation lead to eletronic transitions that may be the emission of light. 电离和激发都将导致可能伴随有光发射的电子跃迁.
• Turbocharger technology originator - saab Saab has been committed to high - performance, high efficiency, low emission engine technology. 涡轮增压技术的鼻祖 —— saab萨博,一直致力于高性能 、 高效率 、 低排放的发动机技术.

英语四级真题

Mr Obama's plan to curb carbon dioxide (CO2) emissions (排放), though necessary, will be far from cost-free, whatever his sunny speeches on the subject might suggest.
出自-2013年6月阅读原文
optimistic about Obama's effort to reduce CO2 emissions
出自-2013年6月阅读原文
According to the author, Obama's plan to limit carbon dioxide emissions will by no means be inexpensive.
出自-2013年6月阅读原文

英语六级真题

Amazon plants, for instance, hold more than 100 billion metric tons of carbon, equal to 15 years of tailpipe and chimney emissions.
出自-2013年6月阅读原文
carbon emissions are the leading cause of current global warming
出自-2013年6月阅读原文
Its inability to curb the carbon emissions from industries.
出自-2013年6月阅读原文

柯林斯高阶英汉双解学习词典释义

• N-VAR
  散发;释放;放射
  An emission of something such as gas or radiation is the release of it into the atmosphere.
  例句
  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。 Sulfur emissions from steel mills become acid rain. 炼钢厂排放出的硫形成了酸雨。

英汉词典释义

• n.
  排放,散发,发出(气体、光、热)
  Most scientists accept that climate change is linked to carbon emissions. 大多数科学家都相信气候变化与排放的含碳气体有关。 The policy aims at cutting down exhaust emissions. 这项政策的目的是控制废气排放。

英英词典释义

• Noun
  1. the act of emitting; causing to flow forth
  2. a substance that is emitted or released
  3. the release of electrons from parent atoms
  4. any of several bodily processes by which substances go out of the body;
  "the discharge of pus"
  5. the occurrence of a flow of water (as from a pipe)

行业词典

• 医学： 发射，发出；遗精，排精；
  昆虫学： 散发；散發；
  物理学： 发射；
  生态学： 散发；信息素或其他气味物质自生物体或载体向空气中释放、扩散的过程。；
  电子学： 发射；
  电工： 发射；
  航天： 发射；
  航海科技： 发射；
  通信： 发射；能量以波或粒子的形式从其源发出的现象。；