【英文标准名称】:ElectromagneticcompatibilityandRadiospectrumMatters(ERM)-TransmittingequipmentfortheDigitalRadioMondiale(DRM)broadcastingservice-Part1:technicalcharacteristicsandtestmethods(V1.1.1).
【原文标准名称】:电磁兼容性和无线电频谱情况(ERM).全球数字无线电广播服务用传输设备.第1部分:技术特性和试验方法
【标准号】:NFZ84-245-1-2005
【标准状态】:现行
【国别】:法国
【发布日期】:2005-06-01
【实施或试行日期】:2005-06-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Broadcasting;Communicationservice;Communicationtechnology;Digital;Electricalengineering;Electromagneticcompatibility;EMC;Emission;Equipment;ETSI;Informationprocessing;Interferencerejections;Interferingemissions;Measuringtechniques;Radio;Radioengineering;Radiosystems;Ratings;Specification(approval);Telecommunication;Telecommunicationnetworks;Telecommunicationsystems;Telecommunicationtransmissionmethods;Telecommunications;Telephonenetworks;Testing;Testingconditions
【摘要】:
【中国标准分类号】:L06
【国际标准分类号】:33_100_10
【页数】:24P.;A4
【正文语种】:其他


【英文标准名称】:Gasanalysis-Comparisonmethodsfordeterminingandcheckingthecompositionofcalibrationgasmixtures
【原文标准名称】:气体分析测定并检查标定用混合气体成分的比较方法
【标准号】:ISO6143-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-05
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC158
【标准类型】:()
【标准水平】:()
【中文主题词】:校准气体;混合气体;气体分析;试验气体;分析;比较试验;定义;比较分析法;试验;化学成分;化学分析和试验;气体;含量测定;测定;组分;检验设备;比较法;校正
【英文主题词】:Analysis;Calibration;Calibrationgases;Chemicalanalysisandtesting;Chemicalcomposition;Comparativetests;Comparisonanalysis;Comparisonmethods;Composition;Concentration(chemical);Dataanalysis;Definitions;Determination;Determinationofcontent;Electricalengineering;Examination(qualityassurance);Gasanalysis;Gasmixtures;Gases;Inspectionequipment;Materialstesting;Methodsofanalysis;Testgases;Testing;Testingconditions
【摘要】:ThisInternationalStandardprovidesmethodsfor—determiningthecompositionofacalibrationgasmixturebycomparisonwithappropriatereferencegasmixtures,—calculatingtheuncertaintyofthecompositionofacalibrationgasmixtureinrelationtotheknownuncertaintyofthecompositionofthereferencegasmixtureswithwhichitwascompared,—checkingthecompositionattributedtoacalibrationgasmixturebycomparisonwithappropriatereferencegasmixtures,—comparingthecompositionofseveralcalibrationgasmixtures,e.g.forthepurposeofcomparingdifferentmethodsofgasmixturepreparation,orfortestingconsistencyamonggasmixturesofcloselyrelatedcomposition.NOTEInprinciple,themethoddescribedinthisdocumentisalsoapplicabletotheanalysisof(largely)unknownsamplesinsteadofprospectivecalibrationgasmixtures(i.e.gasmixtureswhichareintendedforuseascalibrationgasmixtures).Suchapplications,however,requireappropriatecareandconsiderationofadditionaluncertaintycomponents,forexampleconcerningtheeffectofmatrixdifferencesbetweenthereferencegasesusedforcalibrationandtheanalysedsample.
【中国标准分类号】:G85
【国际标准分类号】:71_040_40
【页数】:33P;A4
【正文语种】:英语