Air Pollution 空气污染 - 英语演讲 - win8风PPT

AirPollutionByWTIFSOutlineI.IntroductionA.ImportanceB.TypesII.OutdoorairpollutionA.SourceB.HarmC.SolutionIII.IndoorairpollutionA.HarmB.SourceC.SolutionIV.Sealed-spaceairpollutionA.SourceB.HarmC.SolutionIntro•≥15cubicmetersofairperday•≥2,000,000peoplediedperyearImportanceHarmIntroOutdoorairpollutionIndoorairpollutionSealed-spaceairpollutionTypeHarmOutdoorairpollutionBurningoffuelTraffictransportationFactoriesPowerplantsResidentialcoalburningSourceHarmOutdoorairpollutionDustConstructionsitesDesertsSourceHarmMines+HazeOutdoorairpollutionFog(tinywaterdrops)AirborneparticularsType1HarmSO2SmogOutdoorairpollutionSulfurdioxidesmogSO2*SO42-Type2Harm+SulfurdioxideSO2compoundsSunlightHydrocarbon,etcOutdoorairpollutionNOxType3Harm+NitrogenoxidesPhotochemicalsmogEyesHeadacheHarmOutdoorairpollutionNoseCoughLungsPotentialdiseaseHarmPayattentiontotheairqualitySolutionHarmOutdoorairpollutionWearamaskwhilegoingoutSolutionHarmWashface&handswhenyoureturnDrinkmorewater&eathealthfoodOutdoorairpollution•70%timestayingindoorsHarmHarmIndoorairpollution•Agreatereffectonus•Causelife-longdisease•HarmfulmaterialsSourceHarmIndoorairpollutionHOCOCOIndoor-decorationPaintFurnitureCookingStove•Radiation&ElectromagneticRadiationSourceHarmIndoorairpollutionConcreteComputerMicrowaveCellPhone•HomeofgermsSourceHarmIndoorairpollutionCarpetWallpaperSofaBedOpenthewindowSolutionHarmIndoorairpollutionCarpetPutquiltsunderthesunKeepaplantLackofsunlightSealed-spaceairpollutionTransportation&UndergroundbuildingsSourceHarmLackoffreshair•Thousandsofpeoplegooutbysubway/busSourceHarm•CO2&germs•Maxvalueat8:00&17:00Sealed-spaceairpollutionHarmHarmDiseasecaneasilyspreadSicknessDizzinessSealed-spaceairpollutionSolutionHarmWashhandsfrequentlyGooutwhenthere’renotsomuchpeopleBreathesfreshaironthehalfwaySealed-spaceairpollutionAlwayskeepyourselfclean!SummaryKeepaneyeontheairqualityDrinkmorewaterSummaryHopeyouallhaveahealthylife!