DIN 6331-1987 1.5d厚的六角环形螺母
作者:标准资料网 时间:2024-05-04 20:38:00 浏览:8041
来源:标准资料网
【英文标准名称】:Hexagoncollarnutswithaheightof1,5d
【原文标准名称】:1.5d厚的六角环形螺母
【标准号】:DIN6331-1987
【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】:J13
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardTestMethodforMeasuringMomentofInertiaandCenterofPercussionofaBaseballorSoftballBat
【原文标准名称】:测定棒球或垒球球棒的惯性动量和撞击中心的标准试验方法
【标准号】:ASTMF2398-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:F08.26
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:balancepoint,BP;baseballbat;bat;centerofpercussion,COP;momentofinertia,MOI;softballbat;Baseballequipment/applications;Centerofpercussion;Balancepoint;Momentofinertia;Softballequipment
【摘要】:Thistestmethodoffersalaboratorymeanstomeasuretheinertialpropertiesofbats,specificallyweight,balancepoint,centerofpercussion,andMOI,insupportofothertestmethodsincludingtheASTMstandardsreferencedinthisdocument.Useofthistestmethodcanprovidesportsgoverningbodiesthemeanstoestablishrulesregardingthephysicalpropertiesofbats,specificallyMOI.1.1Methodfordeterminingthemomentofinertia(MOI),thecenterofpercussion(COP),andthebalancepoint(BP)ofbaseballandsoftballbats.ThesephysicalpropertiesareusedinTestMethodF1881,TestMethodF1890,andTestMethodsF2219.1.2TheMOI,COP,andBParemeasuredinthelaboratoryontestequipmentmeetingtherequirementsdefinedinthistestmethod.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y56
【国际标准分类号】:
【页数】:3P.;A4
【正文语种】:英语
【英文标准名称】:High-voltageswitchgearandcontrolgear.Part101:Synthetictesting
【原文标准名称】:高压开关设备和控制设备.第101部分:合成试验
【标准号】:IEC62271-101Edition1.1-2010
【标准状态】:作废
【国别】:国际
【发布日期】:2010-11-01
【实施或试行日期】:2010-11-01
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:ACswitchgearandcontrolgear;Alternatingcurrent;Alternating-currentswitches;Circuitbreakingtests;Circuitclosingtests;Circuit-breakers;Connections;Definitions;Electricalappliances;Electricalengineering;Highvoltage;High-tensionunits;High-voltageequipment;High-voltageswitchgears;Inspection;Shortingtests;Switches;Switchgear;Switchgears;Synthetic;Testcircuits;Testing
【摘要】:ThispartofIEC62271mainlyappliestoa.c.circuit-breakerswithinthescopeofIEC62271-100.Itprovidesthegeneralrulesfortestinga.c.circuit-breakers,formakingandbreakingcapacitiesovertherangeoftestdutiesdescribedin6.102to6.111ofIEC62271-100,bysyntheticmethods.NOTECircuitsforthetestdutiesdescribedin6.111havenotyetbeenstandardized.However,presentmethodsaregiveninAnnexG.Ithasbeenproventhatsynthetictestingisaneconomicalandtechnicallycorrectwaytotesthigh-voltagea.c.circuit-breakersaccordingtotherequirementsofIEC62271-100andthatitisequivalenttodirecttesting.Themethodsandtechniquesdescribedarethoseingeneraluse.Thepurposeofthisstandardistoestablishcriteriaforsynthetictestingandfortheproperevaluationofresults.Suchcriteriawillestablishthevalidityofthetestmethodwithoutimposingrestraintsoninnovationoftestcircuitry.
【中国标准分类号】:K43
【国际标准分类号】:29_130_10
【页数】:312P.;A4
【正文语种】:
