NF E48-423-1989 液压传动.4孔分配器,压力控制阀.顺序阀,卸载阀,节流阀,止回阀,流量补偿阀,卸压阀.安装面
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来源:标准资料网
【英文标准名称】:HYDRAULICFLUIDPOWER.FOUR-PORTDIRECTIONALCONTROLVALVES,PRESSURE-CONTROLVALVES,SEQUENCEVALVES,UNLOADINGVALVES,THROTTLEVALVES,CHECKVALVES,COMPENSATEDFLOW-CONTROLVALVES,PRESSURE-RELIEFVALVE.MOUNTINGSURFACE.
【原文标准名称】:液压传动.4孔分配器,压力控制阀.顺序阀,卸载阀,节流阀,止回阀,流量补偿阀,卸压阀.安装面
【标准号】:NFE48-423-1989
【标准状态】:作废
【国别】:法国
【发布日期】:1989-03
【实施或试行日期】:1989-02-20
【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】:孔口;方向控制阀;顺序阀;尺寸;互换性;汇编;编码(数据转换);液压传动;数数项;安全阀;液压传动系统;减压阀;单向阀;压力调节器;编码(程序设计);作标记;代码表示;数据表示;流量调节阀
【英文主题词】:
【摘要】:
【中国标准分类号】:J20
【国际标准分类号】:23_100_50
【页数】:48P;A4
【正文语种】:其他
【英文标准名称】:ElectricityMetering,Codefor
【原文标准名称】:电测量规范
【标准号】:ANSIC12.1-2001
【标准状态】:作废
【国别】:美国
【发布日期】:2001-07-09
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:NEMA(ASCC12)
【标准类型】:()
【标准水平】:()
【中文主题词】:电流表;电流;定义;效率;电学;电度表;仪表用变压器;测量技术;性能试验;试验
【英文主题词】:Currentmeters;Currents;Definition;Definitions;Efficiency;Electricity;Electricitymeter;Electricitysupplymeters;Instrumenttransformers;Measuringtechniques;Metersforactiveenergy;Performancetesting;Testing
【摘要】:Establishesacceptableperformancecriteriafornewtypesofacwatthourmeters,demandmeters,demandregisters,pulsedevices,andauxiliarydevices.Itdescribesacceptablein-serviceperformancelevelsformetersanddevicesusedinrevenuemetering.
【中国标准分类号】:A55
【国际标准分类号】:17_220_20
【页数】:
【正文语种】:英语
【英文标准名称】:Mechanicalsafetyofcathoderaytubes
【原文标准名称】:阴极射线管的机械安全
【标准号】:BSEN61965-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-11-28
【实施或试行日期】:2003-11-28
【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】:环境条件;内爆;热冲击性能;安全;电气工程;电子工程;试验;定义;冲击试验;阴极射线管;电性质和电现象;电子束管;电子管;热应力;显像管;电性能;试验条件;机械安全
【英文主题词】:Cathode-raytubes;Controlcharts;Definitions;Electricalengineering;Electricalmeasurement;Electricalmedicalequipment;Electricalproperties;Electricalpropertiesandphenomena;Electricaltesting;Electrontubes;Electron-beamtubes;Electronicengineering;Electronicequipmentandcomponents;Environmentalcondition;Environmentaltesting;Heat-shock-behaviour;Impacttesting;Implosion;Implosionprotection;Marking;Mechanicalsafety;Mechanicaltesting;Picturetubes;Safety;Safetymeasures;Samplingmethods;Strengthofmaterials;Telephoneequipment;Televisionequipment;Testequipment;Testing;Testingconditions;Thermalstress
【摘要】:ThisInternationalStandardisapplicabletocathoderaytubesandcathoderaytubeassemblies(hereinafterreferredtoasCRTs)whichareintendedforuseascomponentsinapparatusandwhichhaveintegralprotectionwithrespecttotheeffectsofimplosion.TheserequirementsapplytoCRTsintendedforuseinapparatusincludingelectricalandelectronicmeasuringandtestingequipment,informationtechnologyequipment,medicalequipment,telephoneequipment,televisionequipmentandothersimilarelectronicapparatus.ThisstandardisintendedtoapplyonlytothoseCRTsinwhichthefaceoftheCRTformspartoftheenclosurefortheapparatus.ThetestmethodsdonotapplytoCRTswhichareprotectedbyseparatesafetyscreens.ACRTcoveredbythisstandardisintendedtobeinstalledinanenclosuredesignedbothtoprotecttherearoftheCRTagainstmechanicalorotherdamageundernormalconditionsofoperationandtoprotecttheuseragainstparticlesexpelledinabackwardsdirectionfromtheCRTfaceintheeventofimplosion.ThisstandardcontainsrequirementsforCRTsof76mmdiagonalandlargerthatincorporateimplosionprotectionsystemsprovidingprotectionagainstthehazardsofparticlesexpelledforwardsbeyondtheface.Thereisnointendedprotectionagainstparticlesexpelledinotherdirections.ComplianceistestedbysubjectingCRTstothetestproceduresandcriteria,whicharegiveninClauses8(largeCRTs),9(smallCRTs)and10(CRTswithprotectivefilm)ofthisstandard.ThedefinitionsoflargeandsmallCRTsaregiveninClause3.NOTEThissetofrequirementsreplacesthecurrentrequirementsforthemechanicalsafetyofcathoderaytubes(CRTs)asdescribedinIEC60065(Clause18),whichwillbemodifiedaccordingly.
【中国标准分类号】:L38
【国际标准分类号】:31_120
【页数】:62P.;A4
【正文语种】:英语
