国际空间站英语课件

InternationalSpaceStation1InternationalSpaceStation1TheInternationalSpaceStation(ISS)isahabitable,artificialsatelliteinlowEarthorbit.TheISSservesasaresearchlaboratorythathasamicrogravityenvironmentinwhichcrewsconductexperimentsinmanyfieldsincludingbiology,humanbiology,physics,astronomyandmeteorology.2TheInternationalSpaceStatioThestationismaintainedatanorbitbetween278

km(173

mi)and460

km(286

mi)altitude,andtravelsatanaveragespeedof27,743

km/h(17,239.2

mph),completing15.7orbitsperday.TheISSisoperatedbyExpeditioncrewsofsixastronautsandcosmonauts.3ThestationismaintainedataOriginsTheInternationalSpaceStationrepresentsacombinationofthreenationalspacestationprojects,NASA'sFreedom,theRSA'sMir-2,andtheEuropeanColumbusspacestations.4OriginsTheInternationalSpaceInSeptember1993,AmericanVice-PresidentAlGore,Jr.,andRussianPrimeMinisterViktorChernomyrdinannouncedplansforanewspacestation,whicheventuallybecametheInternationalSpaceStation.5InSeptember1993,AmericanViStationstructureTheISSisa'thirdgeneration'ormodularspacestation.thisallowsthemissiontobechangedovertime,newmodulescanbeaddedorremovedfromtheexistingstructure,savingconsiderablecostsandallowinggreaterflexibility.AstronautRonGaranduringanSTS-124ISSassemblyspacewalk6StationstructureTheISSisaStationsystemsandoperationsLifesupportPowersupplyDockingWork7StationsystemsandoperationsLifesupport8Lifesupport8Powersupply

Double-sidedsolar,orPhotovoltaicarrays,provideelectricalpowerfortheISS.Thesebifacialcellsaremoreefficientandoperateatalowertemperaturethansingle-sidedcellscommonlyusedonEarth,bycollectingsunlightononesideandlightreflectedofftheEarthontheother.9PowersupplyDouble-sidedsoDockingSpacecraftfromRussiaandEuropeareabletolaunchandflythemselveswithouthumaninterventionFrom26February2011to7March2011,duringSTS-133,fourofthegovernmentalpartners(UnitedStates,ESA,JapanandRussia)hadtheirspacecraft(NASAShuttle,ATV,HTV,ProgressandSoyuz)dockedattheISS10Docking10WorkIngeneral,thecrewworkstenhoursperdayonaweekday,andfivehoursonSaturdays,withtherestofthetimetheirownforrelaxationorworkcatch-up11WorkIngeneral,thecrewworksCrewhealthThemostsignificantadverseeffectsoflong-termweightlessnessaremuscleatrophyanddeteriorationoftheskeleton,orspaceflightosteopenia.So...12CrewhealthThemostsignificanPlatformlifescienceResearchontheISSimprovesknowledgeabouttheeffectsoflong-termspaceexposureonthehumanbody.Subjectscurrentlyunderstudyincludemuscleatrophy,boneloss,andfluidshift.ThestationprovidesauniqueenvironmentforthetestingofthespacecraftsystemsthatwillberequiredformissionstotheMoonandMars.13PlatformlifescienceThestatioPlatformPhysicalScience

LowgravityandtemperatureswillgivescientistsadeeperunderstandingofsuperconductivityFutureplansarefortheresearchersaboardtheISStoexaminecosmicrays,antimatter,anddarkmatter

BiologicalSciencesResearchersareinvestigatingtheeffectofthestation'snear-weightlessenvironmentontheevolution,development,growthandinternalprocessesofplantsandanimals.ChemicalScienceThroughthestudyoftheefficiencyofburningandcontrolofemissionsandpollutants,wecanimproveourknowledgeaboutenergyproduction,andleadtoeconomicandenvironmentalbenefits.14PlatformPhysicalScienceLowg1515写在最后成功的基础在于好的学习习惯Thefoundationofsuccessliesingoodhabits16写在最后成功的基础在于好的学习习惯16谢谢大家荣幸这一路，与你同行It'SAnHonorToWalkWithYouAllTheWay讲师：XXXXXXXX年XX月XX日

17谢谢大家讲师：XXXXXX17

InternationalSpaceStation18InternationalSpaceStation1TheInternationalSpaceStation(ISS)isahabitable,artificialsatelliteinlowEarthorbit.TheISSservesasaresearchlaboratorythathasamicrogravityenvironmentinwhichcrewsconductexperimentsinmanyfieldsincludingbiology,humanbiology,physics,astronomyandmeteorology.19TheInternationalSpaceStatioThestationismaintainedatanorbitbetween278

km(173

mi)and460

km(286

mi)altitude,andtravelsatanaveragespeedof27,743

km/h(17,239.2

mph),completing15.7orbitsperday.TheISSisoperatedbyExpeditioncrewsofsixastronautsandcosmonauts.20ThestationismaintainedataOriginsTheInternationalSpaceStationrepresentsacombinationofthreenationalspacestationprojects,NASA'sFreedom,theRSA'sMir-2,andtheEuropeanColumbusspacestations.21OriginsTheInternationalSpaceInSeptember1993,AmericanVice-PresidentAlGore,Jr.,andRussianPrimeMinisterViktorChernomyrdinannouncedplansforanewspacestation,whicheventuallybecametheInternationalSpaceStation.22InSeptember1993,AmericanViStationstructureTheISSisa'thirdgeneration'ormodularspacestation.thisallowsthemissiontobechangedovertime,newmodulescanbeaddedorremovedfromtheexistingstructure,savingconsiderablecostsandallowinggreaterflexibility.AstronautRonGaranduringanSTS-124ISSassemblyspacewalk23StationstructureTheISSisaStationsystemsandoperationsLifesupportPowersupplyDockingWork24StationsystemsandoperationsLifesupport25Lifesupport8Powersupply

Double-sidedsolar,orPhotovoltaicarrays,provideelectricalpowerfortheISS.Thesebifacialcellsaremoreefficientandoperateatalowertemperaturethansingle-sidedcellscommonlyusedonEarth,bycollectingsunlightononesideandlightreflectedofftheEarthontheother.26PowersupplyDouble-sidedsoDockingSpacecraftfromRussiaandEuropeareabletolaunchandflythemselveswithouthumaninterventionFrom26February2011to7March2011,duringSTS-133,fourofthegovernmentalpartners(UnitedStates,ESA,JapanandRussia)hadtheirspacecraft(NASAShuttle,ATV,HTV,ProgressandSoyuz)dockedattheISS27Docking10WorkIngeneral,thecrewworkstenhoursperdayonaweekday,andfivehoursonSaturdays,withtherestofthetimetheirownforrelaxationorworkcatch-up28WorkIngeneral,thecrewworksCrewhealthThemostsignificantadverseeffectsoflong-termweightlessnessaremuscleatrophyanddeteriorationoftheskeleton,orspaceflightosteopenia.So...29CrewhealthThemostsignificanPlatformlifescienceResearchontheISSimprovesknowledgeabouttheeffectsoflong-termspaceexposureonthehumanbody.Subjectscurrentlyunderstudyincludemuscleatrophy,boneloss,andfluidshift.ThestationprovidesauniqueenvironmentforthetestingofthespacecraftsystemsthatwillberequiredformissionstotheMoonandMars.30PlatformlifescienceThestatioPlatformPhysicalScience

Lowgravityandtemperatureswillgivescientistsadeepe