BS EN 61114-2-1997 在12GHz频带上传送卫星广播用接收天线测量方法.专用及公用接收天线机械及环境试验
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来源:标准资料网
【英文标准名称】:Methodsofmeasurementonreceivingantennasforsatellitebroadcasttransmissionsinthe12GHzband-Mechanicalandenvironmentaltestsonindividualandcollectivereceivingantennas
【原文标准名称】:在12GHz频带上传送卫星广播用接收天线测量方法.专用及公用接收天线机械及环境试验
【标准号】:BSEN61114-2-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-07-15
【实施或试行日期】:1997-07-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:环境试验;机械试验;接收机;天线;广播;通信设备;无线电通信;卫星通信链路;性能试验
【英文主题词】:
【摘要】:ThispartofIEC1114appliestoreceivingantennasforsatellitebroadcasttransmissionsinthe11/12GHzband.ThefrequencyrangesofthebandarethosedefinedbyWARCBS-77andRARCSAT-83.Theobjectofthispartistodefinetheconditionsandmethodsofmeasurementtobeapplied.Thispartdoesnotspecifyperformancerequirements.Thereceivingantenna,togetherwithanSHFconverter,constitutesanoutdoorunitofasatellitereceiver.MethodsofmeasurementontheSHFconverteraredescribedinIEC1079-1.
【中国标准分类号】:M74
【国际标准分类号】:33_120_40
【页数】:34P;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforLow-AlloySteelDeformedandPlainBarsforConcreteReinforcement
【原文标准名称】:混凝土加筋用异型钢筋和普通低合金钢条的标准规范
【标准号】:ASTMA706/A706M-2006
【标准状态】:作废
【国别】:美国
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:合金钢;混凝土;变形;加筋;钢;钢;结构钢
【英文主题词】:Alloysteels;Concretes;Deformation;Reinforcement;Steels;Structuralsteels
【摘要】:
【中国标准分类号】:H44
【国际标准分类号】:77_140_15
【页数】:6P;A4
【正文语种】:英语
【英文标准名称】:ULStandardforSafetyCablesandCable-FittingsForUseInHazardous(Classified)LocationsSecondEdition
【原文标准名称】:危险地区用金属包皮电缆和电缆密封配件
【标准号】:UL2225-2005
【标准状态】:作废
【国别】:美国
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:灰尘爆炸;电缆;防爆;可燃性环境;危险场所分类(电气设备用);金属涂层;电缆浸入用密封组件;试验
【英文主题词】:Dustexplosions;Electriccables;Explosionprotection;Flammableatmospheres;Hazardousareasclassification(forelectricalequipment);Metalcoating;Sealingcompoundsforcablepenetrations;Testing
【摘要】:1TheserequirementscoverTypeMC-HLmetal-cladcableforuseinhazardous(classified)locations,ClassI,Division1,GroupsA,B,C,andD;ClassII,Division1,GroupsE,F,andG;ClassI,Zone1,GroupsIIA,IIB,andIICinaccordancewiththeNationalElectricalCode,NFPA70.1.2TheserequirementscoverTypeITC-HLinstrumentationtraycableforuseinhazardous(classified)locations,ClassI,Division1,GroupsA,B,C,andD,andClassI,Zone1,GroupsIIA,IIB,andIICinaccordancewiththeNationalElectricalCode,NFPA70.1.3Theserequirementscoverexplosion-proofanddustignition-proofcablesealingfittingsforuseinhazardous(classified)locations,Class-I,Division1and2,GroupsA,B,C,andD;ClassII,Division1and2,GroupsE,F,andG;inaccordancewiththeNationalElectricalCode,NFPA70.1.4Theserequirementscoverexplosion-proofanddustignition-proofcablesealingfittingsintendedforuseonmobileoffshoreoilrigsanddrillingplatforms,andothermarinevessels.InvestigationsofthesefittingsincludeanevaluationforconformitytotheinstallationanduseprovisionsofTitle46CodeofFederalRegulationsSub-part111.105andSubpart111.60oftheUnitedStatesCoastGuardElectricalEngineeringRegulations,SubchapterJ(Parts110to113inclusive)asappliedbytheauthorityhavingjurisdiction.1.5Theserequirementscoverincreasedsafety"e"cablefittingsandflameproof"d"cablesealingfittingsforuseinClassI,Zone1GroupsIIA,IIBandIIChazardous(classified)locations,inaccordancewiththeNationalElectricalCode,NFPA70.1.6Theserequirementscoverincreasedsafety"e"cablefittingsandflameproof"d"cablesealingfittingsforuseinhazardous(classified)locations,Class-I,Zone1foruseonmobileoffshoreoilrigsanddrillingplatforms,andothermarinevessels.InvestigationsofthesefittingsincludeanevaluationforconformitytotheinstallationanduseprovisionsofTitle-46CodeofFederalRegulationsSub-part111.105andSubpart111.60oftheUnitedStatesCoastGuardElectricalEngineeringRegulations,SubchapterJ(Parts110to113inclusive)asappliedbytheauthorityhavingjurisdiction.1.7Theserequirementscoverincreasedsafety"e"cordterminationfittingsandflameproof"d"cordterminationfittingsforuseonlywithULListedextra-hardusagecordinhazardous(classified)locations,ClassI,Zone1inaccordancewiththeNationalElectricalCode,NFPA70.1.8Theserequirementsapplytocablesandcablefittingsforhazardouslocationsunderthefollowingatmosphericconditions:a)Aminimumambienttemperatureofminus50鳦(minus58鳩);b)Anoxygenconcentrationofnotgreaterthan21percentbyvolume;andc)Anominalbarometricpressureofoneatmosphere.Thisneweditionalsoincludesthefollowing:Addition:ofITC-HLCable,ofIncreasedSafetyandFlameproofCableFittingstotheScope,ofIncreasedSafetyandFlameproofExtra-HardUsageCordConnectorstotheScope.ProposedmodifiedgaugingofmaleNPTthreadsmadeofstainlesssteel.AdditionofSealrequirementsforCompoundFillandtherequirementfornotremovingthesealfromthefittingafterinstallation.AdditionoftestfactorforSerratedJointExplosionTests.Additionof10secondHydrostaticPressureTest.AdditionofPartIIIAExCableFittingandExtra-HardUsageCordConnectorRequirements.
【中国标准分类号】:K13
【国际标准分类号】:29_060_20
【页数】:
【正文语种】:英语
