【英文标准名称】:Aircraftgroundequipment-Design,testandmaintenancefortowbarlesstowingvehicles(TLTV)interfacedwithnose-landinggear-Part1:Main-lineaircraft
【原文标准名称】:飞行器地面设备.带前起落架的无牵引杆的牵引车辆(TLTV)的设计、试验和维修.第1部分:干线飞行器
【标准号】:ISO20683-1-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-03
【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/TC20
【标准类型】:()
【标准水平】:()
【中文主题词】:工作场所安全;航天运输;维修;安全要求;元部件;航空航天运输;航空运输;空中运输;作标记;定义;起落架装置;机动;设备综合工程学;地面设备;航空设备;危害;飞行器地面支持设备;检修;运输;损伤;规范(验收);飞行器;飞行器;传动系统;牵引车;牵引装置
【英文主题词】:Aeronauticalequipment;Aerospacetransport;Airtraffic;Airtransport;Aircraft;Aircraftgroundsupportequipments;Aircrafts;Components;Damage;Definitions;Drivesystems;Groundequipment;Hazards;Landinggear;Maintenance;Maintenancework;Marking;Powered;Repair;Safetyrequirements;Spacetransport;Specification(approval);Terotechnology;Towingattachment;Tractors;Transport;Workplacesafety
【摘要】:ThispartofISO20683isapplicabletotowbarlesstowingvehicles(TLTVs)interfacingwiththenose-landinggearofmain-lineciviltransportaircraftwithamaximumrampmassover50000kg(1100001b).TherequirementsforregionaltransportaircraftwithalowermaximumrampmassarespecifiedinISO20683-2.ItisnotapplicabletoTLTVswhichweremanufacturedbeforeitsdateofpublication.ThispartofISO20683specifiesgeneraldesignrequirements,testingandevaluationrequirements,maintenance,calibration,documentation,records,tracingandaccountabilityrequirementsinordertoensurethattheloadsinducedbythetowvehiclewillnotexceedthedesignloadsofthenosegearoritssteeringsystem,orreducethecertifiedsafelifelimitofthenosegear,orinduceastabilityproblemduringaircraftpush-backand/orgaterelocationormaintenancetowingoperations.ThispartofISO20683specifiesrequirementsandproceduresforTLTVsintendedforaircraftpush-backandgaterelocationormaintenancetowingonly.Itisnotintendedtoallowfordispatch(operational)towing(seeClause3).Dispatchtowingimposesgreaterloadsonnosegearsandaircraftstructureduetothecombinationofspeedandadditionalpassenger,cargo,andfuelloads.ThispartofISO20683doesnotapplytoTLTVsinterfacingwithaircraftmainlandinggear.NOTESeealsoinformativereferencesintheBibliography.
【中国标准分类号】:V57
【国际标准分类号】:49_100
【页数】:21P.;A4
【正文语种】:英语


【英文标准名称】:Testingofsemiconductormaterials;measurementoftheresistivityofsiliconorgermaniumsinglecrystalsbymeansofthefourprobe/directcurrentmethodwithcollineararray
【原文标准名称】:半导体材料的试验.用探针直线排列的四探针/直流法测量单晶硅或锗单晶体的电阻率
【标准号】:DIN50431-1988
【标准状态】:作废
【国别】:德国
【发布日期】:1988-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电阻率;半导体;锗;晶体;材料;硅;直流电流;测量;电学测量;电阻;半导体工艺;试验;定义
【英文主题词】:Crystals;Definition;Definitions;Directcurrent;Electricalmeasurement;Electricalresistance;Electricalresistivity;Germanium;Materials;Measurement;Semiconductortechnology;Semiconductors;Silicon;Testing
【摘要】:Thestandarddeterminesatestmethodforthemeasurementoftheelectricalresistivityofsiliconorgermaniumsinglecrystalsbymeansofthefour-point-probedirectcurrentmethodwithcollinearfourprobearray.
【中国标准分类号】:H82
【国际标准分类号】:29_045
【页数】:5P;A4
【正文语种】:德语