DIN 45921 T.107-1983 电子元件质量评定协调体系.分规范:小负荷非线绕固定电阻.用于较高要求的金属层电阻(CECC40101-017)
时间:2024-05-21 12:08:35 来源: 标准资料网 作者：标准资料网 阅读：9302
【英文标准名称】:Harmonizedsystemofqualityassessmentforelectroniccomponents;detailspecificationforfixedlowpowernon-wire-woundresistors,highstabilitywithlowtemperaturecoefficient
【原文标准名称】:电子元件质量评定协调体系.分规范:小负荷非线绕固定电阻.用于较高要求的金属层电阻(CECC40101-017)
【标准号】:DIN45921T.107-1983
【标准状态】:作废
【国别】:
【发布日期】:
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:Railwayapplications-Railwayrollingstock-Buffers
【原文标准名称】:铁路应用.铁路车辆.缓冲器
【标准号】:BSEN15551-2009
【标准状态】:作废
【国别】:英国
【发布日期】:2009-04-30
【实施或试行日期】:2009-04-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:减震器;分类系统;组件;定义(术语);货运交通;功能性;检验;制造商标志;作标记;生产;铁路应用设施;铁路货运车辆;铁路;规范(验收);测试;旅行线路;类型;运货车
【英文主题词】:Buffers;Classificationsystems;Components;Definitions;Freighttraffic;Functionality;Inspection;Manufacturer'smark;Marking;Production;Railwayapplications;Railwaywagons;Railways;Specification(approval);Testing;Travelways;Types;Wagons
【摘要】:ThisEuropeanStandarddefinestherequirementsforbufferswith105mm,110mmand150mmstrokeforvehiclesorunitswhichusebuffersandscrewcouplingatthecouplinginterfacewithotherinteroperablerollingstock.Itcoversthefunctionality,interfacesandtestingprocedures,includingpassfailcriteria,forbuffers.NOTETypically,bufferswithastrokeof105mmareusedonfreightwagonsandlocomotives,bufferswithastrokeof110mmareusedoncoachesandlocomotivesandbufferswithastrokeof150mmareusedonfreightwagons.Itdefinesthedifferentcategoriesofbuffers,thespaceenvelope,staticanddynamiccharacteristicsandenergyabsorption.Itincludesacalculationmethodtodeterminetheminimumsizeofthebufferheadtoavoidoverridebetweenbuffers.Itdefinesthestaticanddynamiccharacteristicsoftheelasticsystems.Italsodefinestherequirementsforbufferswithintegratedcrashelements(crashworthybuffers)fortankwagonsonlyaccordingtoRID.TherequirementsofthisEuropeanStandardalsoapplytolocomotivesandpassengercoacheswhichhavetomeetthecrashworthinessrequirementsofEN15227forbuffersinnormalserviceonly.ThepropertiesfortheenergyabsorbingfunctionaredefinedinEN15227andtherequirementsspecifiedinClause7fortankwagonsaccordingtoRIDarenotapplicabletolocomotivesandpassengercoaches.DiagonalbuffersareexcludedfromthisEuropeanStandard.Forvehicleswhichhavetocomplywithcrashworthinessrequirements(locomotives,cabcarsorpassengercoachesaccordingtoEN15227,tankwagonsaccordingtoRID),typicallycrashworthybuffers(bufferswithadeformablehousingand/ortheneedforanopeningintheirmountingflange)orbufferswhichformpartofacombinedsystemconsistingofaspecialbuffer(e.g.middleflangebuffer)andadeformationelementareused.Forthesetypesofbuffers,interoperabilityispossible,butinterchangeabilitywithfreightwagonbuffersisnotrequired,andthereforetherequirementsof5.2(Fixingonvehicleandinterchangeability),5.3(Bufferdimensions)donotapply,thoseof5.4(mechanicalcharacteristicsofbuffers)and5.6(marking)applywithrestrictions.
【中国标准分类号】:
【国际标准分类号】:45_060_20
【页数】:74P.;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforHelmetsUsedinRecreationalRollerSkating
【原文标准名称】:娱乐滚轴溜冰用安全帽的标准规范
【标准号】:ASTMF1751-2000
【标准状态】:作废
【国别】:
【发布日期】:2000
【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】:F08.53
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:protectiveheadgear;rollerskating;NumberCode13.340.20(Headprotectiveequipment);97.220.40(Outdoorandwatersportsequipment)
【摘要】:1.1Thisspecificationcoversperformancerequirementsforhelmetsmanufacturedforusebyadultorjuniorrecreationalrollerskaters.Thisspecificationrecognizesthedesirabilityoflightweightconstructionandventilation;however,itisaperform
【中国标准分类号】:Y56;C73
【国际标准分类号】:13_340_20;97_220_40
【页数】:2P.;A4
【正文语种】: