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1、北京化工大学北方学院NORTHCOLLEGEOFBEIJINGUNIVERSITYOFCHEMICALTECHNOLOGY外文文献原稿和译文学院：理工学院专业：汽车服务工程学号：080107017姓名：唐韦指导教师：吕铁亮2011年10月外文文献原稿和译文原稿MeasuresforReducingGasolineVehicleExhaustEmissionsTongjiUniversityNiJiminChenLifan(shanghai20000902)ShanhhaiMunicipalBureauofEnvironmentProtectio
2、nSuGuodongZhangZhengAbstractThetasksanddemandsofreducinggasolinevehicleemissionandimprovingatmosphereenvironmentforthegovernmentandautomobileindustriesanindicated.Thetechnologyforreducinggasolinevehicleexhaustemissionsanddevelopmentandapplicationofthecatalyticconvertersystem
3、sareanalyzed.KeywordsAutomobile,Internalcombustionengine,Exhaustemissions,Emissioncontrol1IntroductionThedevelopmentofthecarindustry,ontheonehand,forhumansocietyEconomicdevelopmentprovidesaconvenientcondition,ontheotherhandcarwasteGasforhumansurvivalenvironmenthasalsobrought
4、theincreasinglyseriousHarm.ThemodernautomobiledevelopmenttechnologytargetfromusersConsider,firstissafety,comfortandeconomy.FromtheringTheperspective,someoftheserequirementsandlowemissionmethodRulesandpoliciesofcontradictory.ThismeansthatthehumantosteamCaremissioncontroltechn
5、ologiesofperformancerequirementsingovernment(environmentalprotection)departmentDoorandinautomobileindustrydevelopmentisshownonthisproblemoutThecontradictionandmutualcoordination.2EnvironmentalprotectionandofthedevelopmentofautomobileindustrycoordinationInordertocontrolthecar
6、emissions,sincetheearly70sontheworldtocreatetheautomobileexhaustemissionregulations(governmentdepartmentsdoor)，Afterconstantimprovementandcorrection,regulationsbecomemoreandmorestrictly.Table1listEuropeandtheusfederalgovernmentautoemissionsregulationsofthedevelopmentprocess.
7、Infact,surecarexhaustemissionregulationslimitisnotdifficult,buttheproblemis,inordertomeettherequirementsoftheregulations,theautoindustryintohuman,materialandfinancialresourcesiscountless.Inaddition,thedevelopmentcycleusuallyneedthreetofiveyears.Therefore,intheformulationandi
8、mplementationofforeignautoemissionsregulations,willthenextroundoftheimpleme
