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【英文标准名称】:Connectorsetsandinterconnectcomponentstobeusedinopticalfibrecommunicationsystems-Productspecifications-TypeMFterminatedonIEC60793-2-50categoryB1.1andB1.3singlemodefibreforcategoryC
【原文标准名称】:光纤通信系统中使用的连接器装置和互连组件.产品规格.基于C类端接在IEC60793-2-50B1-1和B1-3类单模光纤上的MF型
【标准号】:BSEN50377-11-1-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2009-07-31
【实施或试行日期】:2009-07-31
【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】:通信系统;数据传送;电插头;电气元件;电气工程;电子工程;电子设备及元件;光纤;玻璃纤维光缆;玻璃纤维;信息传递;机械性能;单模纤维;光学特性;光波导;光电子器件;光电子学;产品标准;特性;质量保证;规范(验收);电信;型式
【英文主题词】:Communicationsystems;Datatransfer;Electricplugs;Electricalcomponents;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Fibreoptics;Glassfibrecables;Glassfibres;Informationtransfer;Mechanicalproperties;Monomodefibres;Opticalproperties;Opticalwaveguides;Optoelectronicdevices;Optoelectronics;Productstandards;Properties;Qualityassurance;Specification(approval);Telecommunication;Types
【摘要】:1.1ProductdefinitionThisspecificationcontainstheinitial,startoflifedimensional,optical,mechanicalandenvironmentalperformancerequirementswhichaterminatedandassembledsinglemodeMF4-fold-connectorset(forbackplaneapplications)mustmeetinordertobecategorisedasanENstandardproduct.Sincedifferentvariantsandgradesofperformancearepermitted,productmarkingdetailsaregivenin3.5.1.2IntermateabilityAlthoughallproductsconformingtotherequirementsofthisstandardwillintermate,theresultinglevelofrandomattenuationperformancewillonlybeensuredinaccordancewithTable1.Theintentionisthatthiswillbetrueirrespectiveofthemanufacturingsource(s)oftheproduct.Whenintermatingplugvariantshavingdifferentattenuationgrades,theresultinglevelofattenuationcannotbeassuredtobeanybetterthantheworstattenuationgrade.TheintermatingofagradeCplugwithagradeBplugwillresultinanuncertainlevelofrandomattenuationperformance.1.3OperatingenvironmentThetestsselectedcombinedwiththeseveritiesanddurationsarederivedfromthecategoryCenvironment,accordingtoEN61753-1.1.4ReliabilityWhilsttheanticipatedservicelifeexpectancyoftheproductinthisenvironmentis20years,compliancewiththisspecificationdoesnotguaranteethereliabilityoftheproduct.Thisshouldbepredictedusingarecognisedreliabilityassessmentprogramme.1.5QualityassuranceCompliancewiththisspecificationdoesnotguaranteethemanufacturingconsistencyoftheproduct.Thisshouldbemaintainedusingarecognisedqualityassuranceprogramme.
【中国标准分类号】:L23
【国际标准分类号】:33_180_20
【页数】:40P.;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforBasicLeadSilicochromatePigment
【原文标准名称】:碱式硅铬酸盐颜料的标准规范
【标准号】:ASTMD1648-1986(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1986
【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】:D01.31
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:basicleadsilicochromate(BLSC);chrominiuminBLSC;leadchromate;leadinBLSC;leadoxide;pigment;silicainBLSC;Anti-corrosionpigments--basicleadsilicochromate;Paintpigments--specifications;Basicleadsilicochromate
【摘要】:1.1Thisspecificationcoverstwotypesofpigmentcommerciallyknownasbasicleadsilicochromate.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.
【中国标准分类号】:G53
【国际标准分类号】:87_060_10
【页数】:2P.;A4
【正文语种】:英语