网站首页  词典首页

请输入您要查询的英文单词：

　

单词 emission
释义
emission
noun
uk
/iˈmɪʃ.ən/us
/iˈmɪʃ.ən/
C1[U]
theactofsendingoutgas,heat,light, etc.:
（气体、热量、光线等的）排放，散发，射出
Bioluminescence is the emission oflightfromlivingorganisms.
Excessinfraredemission wasdetectedaround six of thesestars.
C1[C]
anamountofgas,heat,light, etc. that issentout:
排放物；散发物
He uses anightobservationdevicethatpicksupheatemissions.
There is ariskofaccidentswithlargeemissionsof radioisotopes into thebiosphere.
[Cusually plural]environmentspecialized
anamountof asubstancethat isproducedandsentout into theairthat isharmfulto theenvironment,especiallycarbondioxide:
Reducing theconsumptionofenergyandincreasingitsefficientuse wouldhelpcontrolemissions.
Thesehealthrisksarecausedbyvehicleemissions.
Theagreementaimedtohalftheemissionsratein 50years.
More examples
  • We canmeasuretheabsorptionor emission oflightatspecificwavelengths.
  • Fluctuations in theintensityof theradioemissionsfromstarsallowresearchers toinfertheamountofejectedmaterial.
  • Research isunderwaytodevelopwaysofmeasuringthe full-body biophotonemissionsofhumansubjects.
  • He hasconcernsabout the need tocurbemissionsof smog-formingnitrogenoxides,sulphurdioxideandmercury.
  • Countries andcorporationsare makingeffortstocuttheirgreenhousegasemissions.
  • Vehicles areplacedon atreadmillandtheiremissionsaremeasuredwhen thegaspedalispushedand thewheelsareturning.
  • Stategovernorsaremovingtowardregionalemissionslimits.
  • New,tougheremissionstandardsforcarswill bebroughtin.
SMART Vocabulary: related words and phrases
Emitting and ejecting
  • carbon emissions
  • discharge
  • displace
  • displaced
  • displacement
  • eject
  • ejection
  • ejector
  • emitter
  • expel
  • expulsion
  • exude
  • givesomethingoff
  • loose
  • puff
  • re-emit
  • send
  • sendsomethingout
  • shed
  • shedding
See more results »

You can also find related words, phrases, and synonyms in the topics:

Physical & chemical processes
Environmental issues
(Definition ofemissionfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)
emission
noun
uk
/iˈmɪʃ.ən/us
/iˈmɪʃ.ən/
C1[U]
theactofsendingoutgas,heat,light, etc.
（气体、热量、光线等的）排放，散发，射出
Environmentalgroupswantasubstantialreductionin the emission ofgreenhousegases.环保组织要求切实减少温室气体的排放量。
C1[C]
anamountofgas,heat,light, etc. that issentout
排放物；散发物
carbondioxideemissions二氧化碳的排放

emission| Business English

emission
noun
ENVIRONMENT
uk
/ɪˈmɪʃən/us
[C,usually plural]
anamountof something,especiallyagasthatharmstheenvironment, that issentout into theair:
emissions of sthThebillisintendedtoloweremissions ofgreenhousegases.
cut/reduce/limit emissionsManycountriesarereluctanttocutemissions if itmeanssacrificingeconomicgrowth.
emissioncuts/reductions/control
California'semissionsstandardswouldcutglobalwarmingemissionsnearly30% byyear2016.
[U]
theactofsendinggas,heat,light, etc. out into theair:
Hybridvehiclesreducethe emission ofpollutantsby about 20%.
(Definition ofemissionfrom theCambridge Business English Dictionary© Cambridge University Press)

Examplesofemission

emission
There is an interesting look at emissions trading, which is going to take an increasing role and for which biological sinks may be significant.
From theCambridge English Corpus
Above it is assumed that quotas are allocated according to emissions.
From theCambridge English Corpus
The marginal costs of carbon dioxide emissions and the returns to investment in development are readily compared.
From theCambridge English Corpus
We estimate the marginal cost of reducing carbon emissions beyond the existing baseline.
From theCambridge English Corpus
We may also say that the adjustment of emissions is effected within almost three periods.
From theCambridge English Corpus
Option values are attached to the three possibilities: to stop emissions temporarily, to exit entirely and to re-start polluting (for an 'entry fee').
From theCambridge English Corpus
However, emissions are not necessarily the most relevant measure of (subjective) environmental quality.
From theCambridge English Corpus
Note that particulate emissions from the chemical plant are significantly higher than emissions from the iron foundry.
From theCambridge English Corpus
Therefore, in terms of social costs of abatement an emissions tax is as efficient as a standard.
From theCambridge English Corpus
At this tax rate, there is nearly 96 per cent reduction in emissions on average with a cost increase of less than 50 per cent.
From theCambridge English Corpus
The firms do make efficient choices under an emissions tax.
From theCambridge English Corpus
The plants choose low-ash coal to abate particulate emissions.
From theCambridge English Corpus
The policies that are considered include an emissions standard, an emissions tax, an ash tax, and a coal tax.
From theCambridge English Corpus
An emissions tax induces efficient allocation of abatement across firms, even when all the firms are different and some firms abate more than the others.
From theCambridge English Corpus
If we consider first an emissions standard, then the switch to a baghouse depends on plant-specific standards.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

Collocationswithemission

emission

These are words often used in combination withemission.

Click on a collocation to see more examples of it.

carbon emission
The policy goal is to reduce the 2010 totalcarbonemissionto 90 per cent that of 2000.
From theCambridge English Corpus
emission allowance
With a personalised carbon dioxideemissionallowanceit is apparent that the third world would benefit at the expense of the developed world.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
emission line
Measurements of the carbonemissionlineshape are therefore used to extract values for the impurity ion temperature and velocity.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/emission##
随便看

　

英汉词典包含213609条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。

　

Copyright © 1999-2024 qbania.com All Rights Reserved
更新时间：2025/3/14 7:27:56