【英文标准名称】:TestMethodfortheEnergyPerformanceofRackConveyor,HotWaterSanitizing,CommercialDishwashingMachines
【原文标准名称】:架式输送装置、热水消毒和商用洗碗机的能量性能的试验方法
【标准号】:ANSI/ASTMF1920-2003
【标准状态】:作废
【国别】:美国
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Conveyorbelts;Cookingappliances;Dishwashingmachines;Hotwater;Tankheaters;Testmethods
【摘要】:
【中国标准分类号】:Y62
【国际标准分类号】:97_040_40
【页数】:
【正文语种】:英语
基本信息
标准名称: | 沉浮比较密度仪 |
发布日期: | |
实施日期: | 1991-01-01 |
首发日期: | |
作废日期: | |
出版日期: | |
适用范围
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前言
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目录
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引用标准
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所属分类:
【英文标准名称】:Connectorsetsandinterconnectcomponentstobeusedinopticalfibrecommunicationsystems.Productspecifications.TypeLX.5-PCDUPLEXterminatedonIEC60793-2-50categoryB1.1andB1.3singlemodefibre,withfullzirconiaferrulecategoryU
【原文标准名称】:光纤通信系统用光连接器和互连器件.产品规范.端接到IEC60793-2-50标准中B1.1和B1.3类单模光纤的双芯LX.5-PC型连接器(全氧化锆套管类型为U类)
【标准号】:BSEN50377-13-2-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-04-30
【实施或试行日期】:2011-04-30
【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】:
【英文主题词】:Categories;Communicationsystems;Datatransfer;Design;Dimensions;Duplex;Electricplugs;Electronicengineering;Electronicequipmentandcomponents;Environmentalconditions;Fasteners;Fibreoptics;Glassfibrecables;Informationtransfer;Life(durability);Marking;Mechanicalproperties;Messagehandling;Monomodefibres;Opticalproperties;Opticalwaveguides;Optoelectronics;Performanceinservice;Pinjoints;Productspecifications;Productstandards;Properties;Specification;Telecommunication;Testing;Types;Zirconium
【摘要】:1.1ProductdefinitionThisEuropeanStandardcontainstheinitial,startoflifedimensional,optical,mechanicalandenvironmentalperformancerequirementswhichaterminatedandassembledsinglemoderesilientalignmentsleeveLX.5PCconnectorset(plug/adaptor/plug)shouldmeetinorderforittobecategorisedasanENstandardproduct.Sincedifferentvariantsandgradesofperformancearepermitted,productmarkingdetailsaregivenin3.6.1.2IntermateabilityAlthoughallproductsconformingtotherequirementsofthisEuropeanStandardwillintermate,theresultinglevelofrandomattenuationperformancewillonlybeensuredinaccordancewithTable1.Theintentionisthatthiswillbetrueirrespectiveofthemanufacturingsource(s)oftheproduct.Whenintermatingplugvariantshavingdifferentattenuationgrades,theresultinglevelofattenuationcannotbeassuredtobeanybetterthantheworstattenuationgrade.TheintermatingofagradeCplugwithagradeBplugwillresultinanuncertainlevelofrandomattenuationperformance.1.3OperatingenvironmentThetestsselectedcombinedwiththeseveritiesanddurationsarerepresentativeofacategoryUenvironmentdescribedinEN61753-1.1.4ReliabilityWhilsttheanticipatedservicelifeexpectancyoftheproductinthisenvironmentis20years,compliancewiththisspecificationdoesnotguaranteethereliabilityoftheproduct.Thisshouldbepredictedusingarecognisedreliabilityassessmentprogramme.1.5QualityassuranceCompliancewiththisspecificationdoesnotguaranteethemanufacturingconsistencyoftheproduct.Thisshouldbemaintainedusingarecognisedqualityassuranceprogramme.
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:44P.;A4
【正文语种】:英语