【英文标准名称】:Ophthalmicoptics-Spectacleframes-Requirementsandtestmethods
【原文标准名称】:眼科光学.眼镜镜架.要求和试验方法
【标准号】:ISO12870-2004
【标准状态】:作废
【国别】:国际
【发布日期】:2004-08
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC172
【标准类型】:()
【标准水平】:()
【中文主题词】:可折叠的;光学;眼镜架;耐久性;对视力的帮助;眼科光学;兼容性;作标记;最低要求;材料规范;计数检查;眼科设备;产品信息;尺寸;耐力;座孔;设计;眼镜(夹鼻);无边;疲劳特性;机械性能;光学仪器;检验;特性;材料;公差(测量);眼科学;制造日期;定义;规范(验收);稳定性;试验
【英文主题词】:Adaptation;Aidtovision;Allergies;Biologicalhazards;Changing;Clampingdevices;Collapsible;Colour;Compatibility;Dataofthemanufacturer;Definitions;Design;Dimensions;Durability;Fatiguebehaviour;Flammability;Information;Inspection;Inspectionbyattributes;Investigations;Marking;Mass;Materials;Materialsspecification;Measuringequipment;Mechanicalproperties;Medicaldevices;Minimumrequirements;Ophthalmicequipment;Ophthalmicoptics;Ophthalmology;Opticalinstruments;Optics;Organic;Physiology;Preconditioning;Productinformation;Properties;Radiation;Resistance;Rimless;Screwthreads;Seatings;Selection;Skin(body);Sockets;Specification(approval);Spectacleframes;Spectaclelenses;Spectacles(eyeglasses);Stability;Strain;Tastingglasses;Temperature;Testing;Testingconditions;Tolerances(measurement);Toxicity
【摘要】:ThisInternationalStandardspecifiesfundamentalrequirementsforunglazedspectacleframesdesignedforusewithallprescriptionlenses,andisapplicabletoframesatthepointofsaletotheretailer,bythemanufacturerorsupplier.Itisapplicabletoallspectacleframetypesincludingrimlessmounts,semi-rimlessmountsandfoldingspectacleframes.ThisInternationalStandardisapplicabletospectacleframesmadefromnaturalorganicmaterials.NOTESeeAnnexAforrecommendationsonthedesignofspectacleframes.ThisInternationalStandardisnotapplicabletocompletecustom-madespectacleframesortoproductsdesignedspecificallytoprovidepersonaleyeprotection.
【中国标准分类号】:C32
【国际标准分类号】:11_040_70
【页数】:26P;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforTelecommunicationsandInformationExchangeBetweenRoadsideandVehicleSystems8212;5GHzBandDedicatedShortRangeCommunications(DSRC)MediumAccessControl(MAC)andPhysicalLayer(PHY)Specifications
【原文标准名称】:路边和运载工具系统间远程通信和信息交换用标准规范-5GHz频带上专用短程通信(DSRC)媒体访问控制(MAC)和物理层(PHY)的标准规范
【标准号】:ASTME2213-2003(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E17.51
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:Communications--specifications;Controlcommunicationschannels;DSRC(dedicatedshortrangecommunication)--specifications;ITS-RS(intelligienttransportationsystems-radioservice);MAC(mediumaccesscontrol);OBUs(on-board(communications)units);O
【摘要】:1.1Thisspecificationdescribesamediumaccesscontrol(MAC)andphysicallayer(PHY)specificationforwirelessconnectivityusingdedicatedshort-rangecommunications(DSRC)services.ThisstandardisbasedonandreferstoIEEEStandards802.11,WirelessLANMediumAccessControlandPhysicalLayerSpecifications,and802.11a,WirelessLANMediumAccessControlandPhysicalLayerSpecificationsHigh-SpeedPhysicalLayerinthe5GHzBand,withpermissionfromtheIEEEsociety.ThisspecificationismeanttobeanextensionofIEEE802.11technologyintothehigh-speedvehicleenvironment.Aspresentedhere,thisspecificationcontainsjustenoughinformationtoexplainthedifferencebetweenIEEE802.11andIEEE802.11aoperatingparametersrequiredtoimplementamostlyhigh-speeddatatransferserviceinthe5.9-GHzIntelligentTransportationSystemsRadioService(ITS-RS)Band.PotentialoperationswithintheUnlicensedNationalInformationInfrastructure(UNII)Bandarealsoaddressed,asappropriate.1.2Purpose8212;Thepurposeofthisspecificationistoprovidewirelesscommunicationsovershortdistancesbetweeninformationsourcesandtransactionsstationsontheroadsideandmobileradiounits,betweenmobileunits,andbetweenportableunitsandmobileunits.Thecommunicationsgenerallyoccuroverline-of-sightdistancesoflessthan1000mbetweenroadsideunitsandmostlyhighspeed,butoccasionallystoppedandslowmoving,vehiclesorbetweenhigh-speedvehicles.Thisspecificationalsooffersregulatorybodiesameansofstandardizingaccesstothe5.9GHzfrequencybandforthepurposeofinteroperablecommunicationstoandbetweenvehiclesatline-of-sightdistancesontheroadway.1.3Specifically,thisspecificationaccomplishesthefollowing:1.3.1DescribesthefunctionsandservicesrequiredbyaDSRCandIEEE802.11compliantdevicetooperateinahigh-speedmobileenvironment.1.3.2ReferstoIEEE802.11MACprocedures.1.3.3Definesthe5.9GHzDSRCsignalingtechniqueandinterfacefunctionsthatarecontrolledbytheIEEE802.11MAC.1.3.4PermitstheoperationofaDSRCconformantdevicewithinaDSRCcommunicationszonethatmaycoexistwithmultipleoverlappingDSRCcommunicationzones.1.3.5DescribestherequirementsandprocedurestoprovideprivacyofuserinformationbeingtransferredoverthewirelessmediumandauthenticationoftheDSRCorIEEE802.11conformantdevices.
【中国标准分类号】:M11
【国际标准分类号】:43_040_10
【页数】:26P.;A4
【正文语种】:英语