EN 300766-2001 通路和终端(AT).连接一端或双端结构化2048kbit/s接口的带完整八位字节多路64kbit/s数字无限制租用专线(D140U和D140S).连接特性和网络接口表示
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【英文标准名称】:AccessandTerminals(AT)-Multiple64kbit/sdigitalunrestrictedleasedlineswithoctetintegritypresentedatastructured2048kbit/sinterfaceateitherorbothends(D64M)-Connectioncharacteristicsandnetworkinterfacepresentation(Endorsement
【原文标准名称】:通路和终端(AT).连接一端或双端结构化2048kbit/s接口的带完整八位字节多路64kbit/s数字无限制租用专线(D140U和D140S).连接特性和网络接口表示
【标准号】:EN300766-2001
【标准状态】:现行
【国别】:
【发布日期】:2002-01
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:商务电信;终端装置;数字信号;接口;通信设备;专业网络;通信网;规范(验收);远程通信;电信
【英文主题词】:Businesstelecommunications;Communicationnetworks;Communications;Digitalsignals;Interfaces(dataprocessing);Privatenetworks;Specification(approval);Telecommunication;Telecommunications;Terminaldevices
【摘要】:
【中国标准分类号】:M30
【国际标准分类号】:33_040_50
【页数】:1P.;A4
【正文语种】:英语
【英文标准名称】:Mechanicalvibrationandshock;analyticalmethodsofassessingshockresistanceofmechanicalsystems;informationexchangebetweensuppliersandusersofanalyses
【原文标准名称】:机械振动与冲击机械系统冲击阻抗的评定分析方法提供者和分析使用者之间的信息交换
【标准号】:ISO9688-1990
【标准状态】:现行
【国别】:国际
【发布日期】:1990-12
【实施或试行日期】:1990-12-15
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC108
【标准类型】:()
【标准水平】:()
【中文主题词】:信息交换;消费者与供货者的关系;信息交流;试验;冲击试验;力学
【英文主题词】:Consumer-supplierrelations;Impacttests;Informationexchange;Informationinterchange;Mechanics;Testing;Tests
【摘要】:Establishestheproceduresforspecifyingtheanalyticalmethods,providesaprotocolforconductinganddocumentingashockanalysisandidentifiestherequirementsoftheprotocol.Appliestoanyproductorhumansubjectforwhichananalyticalassessmentofitsshockresistanceisrequired.Theterm"product"isusedtodesignateanengineeringartifact(equipment,component,machine,vehicleorstructure).Neithertheparameterscharacterizingtheshockenvironmentofconcernnoracceptablelevelsofperformanceareassociatedwithspecificnumericalvaluesinthisstandard.
【中国标准分类号】:J04
【国际标准分类号】:17_160
【页数】:5P.;A4
【正文语种】:英语
【英文标准名称】:Ambientairquality-Diffusivesamplersforthedeterminationofconcentrationsofgasesandvapours-Requirementsandtestmethods-Specificrequirementsandtestmethods
【原文标准名称】:环境空气质量.测定气体和蒸汽浓缩度的扩散样品.要求和试验方法.特殊要求和试验方法
【标准号】:BSEN13528-2-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-10-11
【实施或试行日期】:2002-10-11
【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】:空气质量;浓缩;测试方法;空气;蒸气;测量技术;环境空气;试验气体;测量仪器;储存;空气净化;空气污染;空气污染;数学计算;质量浓度;作标记;测量;气体浓缩度;标志;气体;规范(验收);定义;污染控制;污染控制;运输;测试;解释
【英文主题词】:Air;Airpollution;Airpurification;Airquality;Ambientair;Concentration;Definition;Definitions;Gasconcentrations;Gases;Interpretations;Marking;Massconcentration;Mathematicalcalculations;Measurement;Measuringinstruments;Measuringtechniques;Passivecollectors;Pollutioncontrol;Pollutionoftheair;Specification(approval);Storage;Testgases;Testmethods;Testing;Transport;Vapours
【摘要】:ThisEuropeanStandardspecifiesspecificperformancerequirementsandtestmethodsunderprescribedlaboratoryandfieldconditionsfordiffusivesamplersusedforthedeterminationoftheconcentrationofgasesorvapoursinambientair.Suchrequirementsapplytoalldiffusivesamplers,irrespectiveofthephysicalnatureoftherate-controllingprocessandirrespectiveofthenatureofthesorptionprocessandtheanalyticaldetermination.Thisstandardappliestoallstagesofthemeasuringprocedure,includingtransportationandstorageofthesamplewhereappropriate.Thisstandardappliestomeasuringprocedureswithseparatesamplingandanalysisstages,andalsotodirectreadingdevices.ThisEuropeanStandardisapplicabletodiffusivesamplersaccordingto3.6ofEN13528-1:2002.ThisEuropeanStandardshouldenablemanufacturersandusersofdiffusivesamplerstoadoptaconsistentapproachtosamplervalidationandprovideaframeworkfortheassessmentofsamplerperformanceagainstcriteriaspecifiedinEN13528-1.ItistheresponsibilityofthemanufacturerorofthosewhoassemblethediffusivesamplerstoensurethatthesamplercomplieswiththedataqualityobjectivesgiveninthisEuropeanStandard.ForthepurposeofdemonstratingcompliancewithdataqualityobjectivesprescribedformethodstobeusedinsupportoftheCouncilDirectiveonAmbientAirQualityAssessmentandManagement,thispartofEN13528providestherelevantrequirementsandtestmethodsforthedeterminationofmeasurementuncertainty.Asindicatedin6.5.2to6.5.4,someoftheseproceduresaretobeundertakenbyasinglerepresentativelaboratory,somebyseverallaboratoriesinaninterlaboratorytrial,andsomebythelaboratoryimplementingthemethod.ThisdivisionofresponsibilityisinaccordancewithTable1ofCENReportCR14377:2002[3].Whereonlyonelaboratoryisinvolvedinestablishingtheperformancecharacteristicsofamethod,asinamanufacturer’sassessment,thereproducibilityelementsoftheuncertaintybudgetshallbeestimatedunderwithinlaboratoryreproducibilityconditions,i.e.byperformingtherelevantexperimentsindependently,asfarasreasonablypracticable.Thistypeofassessmentisidentifiedaslevel2(seeclause8).Thisstandardcanencouragethedevelopmentofnewtypesofdiffusivesampler.Priortoconductingafullevaluationaccordingtothisstandard,itwouldbeusefultoconductlaboratoryorfieldintercomparisonswithestablishedsamplers.Theseintercomparisonsshouldbeconductedbyexperiencedinstitutes.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_20
【页数】:30P.;A4
【正文语种】:英语
