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【英文标准名称】:Digitalcellulartelecommunicationssystem(Phase2).CallWaiting(CW)andCallHold(HOLD)supplementaryservices.Stage2(GSM03.83).
【原文标准名称】:蜂窝式数字电信系统(第2段).呼叫等待(CW)和呼叫维持(HOLD)补充业务.第2阶段(GSM03.83)(欧洲通信标准ETS300544)
【标准号】:NFZ83-544-1997
【标准状态】:现行
【国别】:法国
【发布日期】:1997-07-01
【实施或试行日期】:1997-07-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:欧洲的;公共的;电信;电信;通信网;数字的;通信;远程通信;呼叫传输;电信设备;通信系统;地面流动服务设施;移动无线电通信系统;;
【英文主题词】:
【摘要】:
【中国标准分类号】:M21
【国际标准分类号】:33_070_50
【页数】:37P;A4
【正文语种】:其他


【英文标准名称】:Prevailingtorquetypesteelhexagonnuts-Mechanicalandperformanceproperties
【原文标准名称】:有效力矩型钢六角锁紧螺母.机械和性能要求
【标准号】:BSENISO2320-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-05-15
【实施或试行日期】:1998-05-15
【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】:验收规范;室温;定义;设计;名称与符号;尺寸;紧固件;热处理;六角螺母;六角头螺栓;六角头紧固件;内螺纹紧固件;防松螺母;作标记;材料;材料规范;机械性能;螺母;工作特性;性能试验;有效扭矩式;检验荷载;特性;规范(验收);钢;强度等级;测试;螺纹;扭矩
【英文主题词】:Acceptancespecification;Ambienttemperature;Definition;Definitions;Design;Designations;Dimensions;Fasteners;Heattreatment;Hexagonnuts;Hexagonalheadbolts;Hexagonal-headfasteners;Internal-threadfasteners;Locknuts;Marking;Materials;Materialsspecification;Mechanicalproperties;Nuts;Performancecharacteristics;Performancetesting;Prevailingtorquetype;Proofloading;Properties;Specification(approval);Steels;Strengthclass;Testing;Threads;Torque
【摘要】:ThisInternationalStandardspecifiesthemechanicalandperformancepropertiesforprevailingtorquetypesteelhexagonnuts(includingthosewithflange)whentestedoveranambienttemperaturerangeof10℃to35℃.Propertieswillvaryathigherandlowertemperature.Itappliestoprevailingtorquetypenuts-withnominalthreaddiametersuptoandincluding39mm;-oftriangularISOthreadaccordingtoISO68;-withdiameter/pitchcombinationsaccordingtoISO261;-withthreadtolerances6HaccordingtoISO965-2;-withspecificmechanicalrequirements;-withdimensionsasspecifiedinproductstandardsprovidedtheymakereferencetothisInternationalStandard;-withinthetemperaturerange-50℃to+300℃forallmetaltypenuts;-withinthetemperaturerange-50℃to+120℃fornon-metallicinserttypenuts.Itdoesnotapplytonutsrequiringspecialpropertieswhichmayrequirespecialmaterialsorcoatingstoimprove-weldability;-corrosionresistance;-performanceoutsidetheabovespecifiedtemperatureranges.Prevailingtorqueperformancedecreaseswithincreasingre-use.Thenutusershouldconsidertheimplicationsofdecreasedperformancepriortore-use.NOTE—Informationontorque/clampingforceperformancerequirementsandtestingaregivenintheannexC.Thesefunctionalrequirementsandtheacompanyingtestprocedurearestillunderdiscussionandcannotbespecifiedmandatorilyforthetimebeing.note:1)Bycarefulchoiceofnon-metallicmaterialshigherservicetemperaturepropertiescanbeattainedbyagree-mentbetweenuserandmanufacturer.
【中国标准分类号】:J13
【国际标准分类号】:21_060_20
【页数】:28P;A4
【正文语种】:英语