emission

emission怎么读

英式音标：[iˈmɪʃn]

美式音标：[ɪˈmɪʃən]

emission基本解释

n. （光、热等的）发射，散发；喷射；发行

n. (Emission)人名；(英)埃米申

emission的意思释义

n.

排放，辐射；排放物，散发物（尤指气体）；（书刊）发行，发布（通知）；

变形

复数：emissions

英英释义

n.

the act of emitting; causing to flow forth

同义词：emanation

a substance that is emitted or released

同义词：discharge

the release of electrons from parent atoms

any of several bodily processes by which substances go out of the body

同义词：dischargeexpelling

the occurrence of a flow of water (as from a pipe)

emission用法及例句

词组短语

acoustic emission声发射，声频发射；声发射检验

gas emission瓦斯泄出；气体放出；瓦斯喷出

field emission场致发射；自动发射；静电发射；电场发射

emission control排放控制；废气排出控制；发射控制；散发污染物管理规则

emission spectrometry发射光谱测量学

atomic emission原子发射

exhaust emission废气排放

spontaneous emission[电磁学]自发发射

pollutant emission污染物排放；污染发散物

atomic emission spectrometry原子发射光谱法；原子发射光谱学

emission standard排放标准

emission spectrum发射光谱；放射谱

positron emission正电子发射

emission rate放射率；排放速度

carbon emission碳排放；碳排放量；二氧化碳排放

positron emission tomography[化]正电子成象术；正电子放射断层造影术

dust emission粉尘排放，烟尘排放；[机]扬尘量

emission spectra发射光谱

emission spectroscopy发射光谱学

methane emission沼气泄出

双语例句

用作名词(n.)

In addition, wetland soils are known for methane emission, a greenhouse gas.

此外,湿地散发沼气这种温室气体,是人所共知的。

The limitless emission of foreign currencies has an serious influence on the country\'s economy.

外汇的无限制发行严重影响了该国的经济。

New regulations are aimed at reducing the vehicle emission.

新规定的目的是要降低汽车尾气的排放。

Emission of smoke from chimneys is an offense.

在这里排放烟雾是违法的事情。

例句参考

Emission of trace gases and aerosols from biomass burning

Visible Light Emission from Semiconducting Polymer Diodes

Visible light emission from semiconducting polymer diodes

A Carbon Nanotube Field-Emission Electron Source

Inhibited Spontaneous Emission in Solid-State Physics and Electronics

Inhibited spontaneous emission in solid-state physics and electronics.

Highly efficient phosphorescent emission from organic electroluminescent devices

Room-temperature ultraviolet laser emission from self-assembled ZnO microcrystallite thin films

Seven-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Galactic Foreground Emission

emission词源

emission (n.)

early 15c., \"something sent forth,\" from Middle French émission (14c.) and directly from Latin emissionem (nominative emissio) \"a sending out, a projecting, hurling, letting go, releasing,\" noun of action from past participle stem of emittere \"send out\" (see emit). Meaning \"a giving off or emitting\" is from 1610s.

emission相关例句

1. Event emission is therefore disabled by default, and so those events that business analysts and executives want to watch must be explicitly enabled.

因此事件发射在缺省情况下是禁用的，所以必须显式地启用业务分析人员和主管希望观察的那些事件。

2. The combination of this unusual X-ray and optical emission makes this a remarkable object.

这一不寻常的X射线和光发射的组合使它成为一个显著的对象。

3. Emission nebula Sharpless 249 fills the field at the upper left.

发射星云沙普利斯249弥漫在图像的左上部。

4. You see here, first of all, the emission lines which are measured in the laboratory that I just showed you. They are always done simultaneously with the measurements.

看这里，首先，这些发射谱线,就是我刚给你们看的,实验室里测量的，它们在测量同时,就能得到。

5. Intriguingly, this composite also shows red hydrogen emission structures in the faint features extending even beyond NGC 5195, toward the top of the frame.

有趣的是，照片还显示了甚至延伸到NGC5195以外的暗弱区域中的红色氢发射结构，在画面顶端。

6. Photon emission, perhaps.

光子发射，可能。

v.163.com

7. The kidnappers contacted the scientist by emitting the radio signals the scientist kept in touch with the emission.

绑匪通过发射电波信号同科学家联络。科学家保持电波发射联络。

8. Recently, however, researchers have used modern PET (positron emission tomography) scanners -- which detect tissue that is actively absorbing sugar -- to search for deposits of brown fat in adults.

然而，较近研究人员利用现代PET（正电子发射断层）扫描，检测那些积极吸收糖类的组织，以寻找成人棕色脂肪的沉积。

scifans.com

9. This, the researchers say, is a clear signature of lasing because above this threshold there are enough protein molecules in an excited state to generate stimulated rather than spontaneous emission.

研究者说，这就是一个理想的激光发射，因为在这个门限以上有足够的多的蛋白质分子被激发发射出激光。

10. Theoretically, the result is intense emission from regions near the supermassive black holes, creating the some of the most luminous objects in the universe.

理论上，其结果是超大质量黑洞附近区域强烈的发射，创造出宇宙中较明亮的物体。

11. This is the only zero-emission car on the market.

这是现在市场上绝无仅有的“零排放”车型。

12. The study compares the energy demand and carbon emission figures of the three scenarios with baseline figures from 2005.

该研究把这三种情景的能源需求和碳排放的数字与2005年的基准数字进行了比较。

16. China has promised to reduce carbon emission per unit of GDP by at least 40 percent by 2020 from 2005 levels, which looks impossible if the country remains hooked on carbon fuels.

中国承诺在2020年把单位GDP碳排放至少减少至2005年水平的40%，如果还是像目前这样依靠化石燃料的话，这个目标看起来很难达到。

17. No event loop is needed because signals are implemented using callbacks -- the emission of a signal simply results in a C function being called.

之所以不需要事件循环，是由于信号是用回调实现的-发出信号的结果只是调用一个C函数。

18. To obtain a carbon emission value from AMEE, we need to create profile items for each piece of equipment we want to measure.

要从AMEE获得碳释放量，我们需要为我们想要测量的每个设备创建相应的配置文件项。

19. A bill that passed key committee in the House of Representatives in May aims to reduce greenhouse gas emission by 17 percent by 2020 from 2005 levels.

五月，众议院一个重要委员会通过了一项法案，订立的目标是至2020年，温室气体排放量在2005年基础上减少17%。

20. More than 100 initiatives for new projects will be discussed with prospective buyers of carbon emission reductions during the conference.

大会期间，它们将与潜在的减少碳排放的买方讨论100多个新的项目倡议。

web.worldbank.org

21. This deviates from the popular concept of “low carbon life” — to reduce the emission of carbon, especially carbon dioxide, to protect our environment and realize sustainable development.

这偏离了流行的“低碳生活”的理念。 低碳生活是指，减少碳，尤其是二氧化碳的排放，以保护环境，实现可持续发展。

22. The car currently meets all Indian emission, pollution, and safety standards, though it only attains a maximum speed of about 65 mph.

该车的较高时速只有65公里/小时，但它在排量、排污、安全性方面均符合印度的国家标准；

23. The calculation in Listing 5 will use U.K. electricity emission factors by default.

默认状态下，清单5 中的计算将使用英国电能排放系数。

24. The calculation in Listing 5 will use U.K. electricity emission factors by default.

默认状态下，清单5 中的计算将使用英国电能排放系数。

25.It provided the motivation for controlling smoke and dust emission from industrial plant.

这为控制工厂企业散发的烟尘起了促进作用。

26.There was an audible emission of breath from the Duke.

这时听到公爵叹了一口气。

27.Beta emission consists of electrons.

β射线由电子组成。

28.The reason is a fundamental one associated with the mechanism of light emission.

其基本原因涉及到光发射的机理。

29.Spontaneous photons initiate stimulated emission and the chain reaction begins.

自发发射的光子引起受激发射，开始了链式反应。

30.A lumen is a measure of the rate of emission of light energy.

流明是光能放射率的量度单位。

31.The liberation of electrons from a hot wire is called thermionic emission.

电子从热灯丝逸出，叫做热电子发射。

32.Acoustic emission is the characteristic and irreversible sound emitted by a material when it is deformed.

声发射是当材料变形时所发出的特殊的不可逆的声响。

33.This emission of heat is completely independent of temperature and pressure.

这热的散发全然不受温度和压力的影响。

34.All data are completely integrated for emission summary purposes.

所有的数据被全部汇集以达到累积排放量的目的。