UL 98-1994 包封并且正面不带电的开关
作者:标准资料网 时间:2024-05-18 01:40:14 浏览:9067
来源:标准资料网
【英文标准名称】:Enclosedanddead-frontswitches
【原文标准名称】:包封并且正面不带电的开关
【标准号】:UL98-1994
【标准状态】:作废
【国别】:美国
【发布日期】:1994-04
【实施或试行日期】:
【发布单位】:美国保险商实验所(UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:开关系统;电牧栏增能器;开关线路;开关设备;载流量;电气工程;空气开关
【英文主题词】:air-breakswitches;switchgears;switchingcurrents;electricfenceenergizers;currentcarryingcapacity;switchingsystems;electricalengineering
【摘要】:
【中国标准分类号】:K31
【国际标准分类号】:29_120_40
【页数】:75P;A4
【正文语种】:英语
【英文标准名称】:SBus-Chipandmoduleinterconnectbus
【原文标准名称】:SBus-基片和模块互连总线
【标准号】:ISO/IEC15205-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-06
【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/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:总线;组装件;数据总线;集成电路;数据通信;定义;数据处理;信息交换;数据传送;接口
【英文主题词】:Assemblies;Buses(dataprocessing);Databus;Datacommunication;Dataprocessing;Datatransfer;Definition;Definitions;Informationinterchange;Integratedcircuits;Interfaces(dataprocessing)
【摘要】:SBusisahighperformancecomputerI/OinterfaceforconnectingintegratedcircuitsandSBusCardstoacomputersystemmotherboard.Thisstandarddefinesthemechanical,electrical,environmental,andprotocolrequirementsforthedesignofSBusCardsandthecomputersystemmotherboardthatsupportsthosecards.EverySBusCardshallimplementappropriateself-descriptiveandinitializationfirmwareusingFCode,whichissimilartotheForthprogramminglanguage.Thedetailsofthisfirmwarestandardarebeyondthescopeofthisstandard.Inaddition,othersoftwareinterfacesmaybeusedforcommunicationwithSBusCards.SBusisintendedtoprovideahighperformanceI/Obusinterfacewithasmallmechanicalformfactor.Thesmallsize,highlevelsofintegration,andlowpowerusageofSBusCardsenablethemtobeusedinlaptopcomputers,compactdesktopcomputers,andotherapplicationsrequiringsimilarcharacteristics.SBusCardsaremountedinaplaneparalleltothemotherboardofthecomputersystem,allowingthecomputersystemtohavealowprofile.SBusisnotdesignedasageneralpurposebackplanebus.SBusallowstransferstobeinunitsof8,16,32,or64bits.Bursttransfersareallowedtofurtherimproveperformance.SBusallowsanumberofSBusMasterdevicestoarbitrateforaccesstothebus.ThechosenSBusMasterprovidesa32-bitvirtualaddresswhichtheSBusControllermapstotheselectionoftheproperSBusSlaveandthedevelopmentofthe28-bitphysicaladdressforthatSlave.TheselectedSBusSlavethenperformsthedatatransfersrequestedbytheSBusMaster.SimpleSBusCardsmaybedesignedtooperatesolelyasSlavesontheSBus.note:1)Afirmwareinterfacestandardisunderconsideration.
【中国标准分类号】:L62
【国际标准分类号】:35_160
【页数】:103P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforUsingAtmosphericPressureRotatingCage
【原文标准名称】:使用大气压力回转笼的标准试验方法
【标准号】:ASTMG202-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:G01.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aboratoryevaluation;massloss;rotatingcage(RC)
【摘要】:nbsp;nbsp;nbsp;Therotatingcage(RC)testsystemisrelativelyinexpensivesystemthatusesflatspecimenstoassesstheeffectofflowacrossaspecimenonthecorrosionthatoccursonthespecimen.Thissystemdoesnotproduceaneasilycharacterizedflowsystembutitisadjustableoverawiderangeofflowratesandusesreadilyavailablespecimens.(1-11).nbsp;nbsp;nbsp;TheRCmethodcanbeusedtoevaluateeithercorrosioninhibitorsormaterialsorboth.GuideG184describestheproceduretouserotatingcagetoevaluatecorrosioninhibitors.Inthistestmethod,ageneralprocedureispresentedtoobtainreproducibleresultsusingatmosphericpressureRCdescribedinGuideG184tosimulatetheeffectsofdifferenttypesofcouponmaterials,inhibitorconcentrations,oil,gasandsolutioncompositions,andflow.Oilfieldfluidsmayoftencontainsand;however,thistestmethoddoesnotcovererosiveeffectsthatoccurwhensandispresent.1.1Thistestmethodcoversagenerallyacceptedproceduretoconducttherotatingcage(RC)experimentunderatmosphericpressure.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:5P.;A4
【正文语种】:
