ANSI/INCITS/ISO/IEC 13818-4AMD 3-2000 信息技术.运动图像及其伴音信息的通用编码.第4部分:一致性测试.修改件3:附加音频合格比特流
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【英文标准名称】:InformationTechnology-GenericCodingofMovingPicturesandAssociatedAudioInformation,Part4:ConformanceTesting-AMENDMENT3:AdditionalAudioConformanceBitstreams
【原文标准名称】:信息技术.运动图像及其伴音信息的通用编码.第4部分:一致性测试.修改件3:附加音频合格比特流
【标准号】:ANSI/INCITS/ISO/IEC13818-4AMD3-2000
【标准状态】:作废
【国别】:美国
【发布日期】:2000
【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】:粘土;图象描述信息;信息技术
【英文主题词】:informationtechnology;picturedescriptioninformation;clay
【摘要】:
【中国标准分类号】:L81
【国际标准分类号】:35_040;33_160_60
【页数】:
【正文语种】:英语
【英文标准名称】:Smokeandheatcontrolsystems-Specificationforsmokebarriers
【原文标准名称】:烟热控制系统.挡烟板规范
【标准号】:BSEN12101-1-2005+A1-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-03-15
【实施或试行日期】:2006-03-15
【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】:CE标记;烟道;分类;一致性;建筑;定义;烟尘的清除;防火安全;建筑物防火;防止火灾扩散;防火技术;消防;热控制;热流;热出口系统;初始验证;处理;性能要求;生产控制;安全装置;安全工程;建筑物安全系统;烟;烟控制;烟道遮板控制;烟幕;排烟孔(建筑物);烟斗;无烟区;规范(验收);防火耐火结构;试验;热防护
【英文主题词】:CEmarking;Chimneyflue;Classification;Conformity;Construction;Definitions;Eliminationofsmoke;Firesafety;Firesafetyinbuildings;Firespreadprevention;Firetechnology;Firefighting;Heatcontrol;Heatflow;Heatoutletsystems;Initialverification;Marking;Performancerequirements;Productioncontrol;Safetydevices;Safetyengineering;Securitysystemsinbuildings;Smoke;Smokecontrol;Smokecontrolshutter;Smokecurtains;Smokeextraction(buildings);Smokefunnel;Smokelesszones;Specification(approval);Structuralfireprotection;Testing;Thermalprotection
【摘要】:
【中国标准分类号】:Q76
【国际标准分类号】:13_220_99
【页数】:54P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforReactionInductionTimebyThermalAnalysis
【原文标准名称】:用热分析法测定感应反应时间的标准方法
【标准号】:ASTME2046-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E27.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:differentialscanningcalorimetry(DSC);differentialthermalanalysis(DTA);hazardpotential;reactioninductiontime(RIT);reactions,thermal;thermalanalysis(TA);thermalstability;Differentialscanningcalorimetry(DSC);Differentialthermalanal
【摘要】:Thistestmethodmeasuresthetimetoextrapolatedonsetofanexothermicreactionunderconstanttemperature(isothermal)conditionsforreactionswhichhaveaninductionperiod,forexample,thosewhicharecatalyticorautocatalyticinnatureorwhichcontainreactioninhibitors.TheRITdeterminedbythistestmethodisanindexmeasurementthatisusefulforcomparingonematerialtoanotheratthetesttemperatureofinterestandinthesameapparatustypeonly.Thistestmethodisausefuladjuncttodynamicthermaltests,suchasTestMethodE537,whichareperformedunderconditionsinwhichthesampletemperatureisincreasedcontinuouslyatconstantrate.Resultsobtainedunderdynamictestconditionsmayresultinhigherestimatesoftemperatureatwhichanexothermicreactioninitiatesbecausethedetectedonsettemperatureisdependentupontheheatingrateandbecausedynamicmethodsallowinsufficienttimeforautocatalyticreactionstomeasurablyaffecttheonsettemperature.RITvaluesdeterminedunderaseriesofisothermaltestconditionsmaybeplottedastheirlogarithmversusthereciprocaloftheabsolutetemperaturetoproduceaplot,theslopeofwhichisproportionaltotheactivationenergyofthereactionasdescribedinTestMethodE2070.Thistestmethodmaybeusedinresearchanddevelopment,manufacturing,processandqualitycontrol,andregulatorycompliance.ThistestmethodissimilartothatforOxidationInductionTime(OIT)(forexample,SpecificationD3350andTestMethodsD3895,D4565,D5483,D6186,andE1858)wherethetimetotheoxidationreactionunderisothermaltestconditionsismeasured.TheOITtestmethodmeasuresthepresenceofantioxidantpackagesandisarelativemeasurementofamaterial''sresistancetooxidation.1.1ThistestmethoddescribesthemeasurementofReactionInductionTime(RIT)ofchemicalmaterialsthatundergoexothermicreactionswithaninductionperiod.Thetechniquesandapparatusdescribedmaybeusedforsolids,liquids,orslurriesofchemicalsubstances.Thetemperaturerangecoveredbythistestmethodistypicallyfromambientto400x00B0;C.Thisrangemaybeextendeddependingupontheapparatusused.1.2TheRITisarelativeindexvalue,notanabsolutethermodynamicproperty.Asanindexvalue,theRITvaluemaychangedependinguponexperimentalconditions.AcomparisonofRITvaluesmaybemadeonlyformaterialstestedundersimilarconditionsofapparatus,specimensize,andsoforth.Furthermore,theRITvaluemaynotpredictbehavioroflargequantitiesofmaterial.1.3TheRITshallnotbeusedbyitselftoestablishasafeoperatingtemperature.Itmaybeusedinconjunctionwithothertestmethods(forexample,E487,E537,andE1981)aspartofahazardanalysisofaparticularoperation.1.4ThistestmethodmaybeusedforRITvaluesgreaterthan15min(asrelativeimprecisionincreasesatshorterperiods).1.5Thistestmethodisusedtostudycatalyticandautocatalyticreactions.Thesereactionsdependupontimeaswellastemperature.Suchreactionsareoftenstudiedbyfixingoneexperimentalparameter(thatis,timeortemperature)andthenmeasuringtheotherparameter(thatis,temperatureortime).Thistestmethodmeasurestimetoreactiononsetdetectionunderisothermalconditions.ItisrelatedtoTestMethodE487thatmeasuresdetectedreactiononsettemperatureunderconstanttimeconditions1.6ThevaluesstatedinSIunitsaretoberegardeda......
【中国标准分类号】:A42
【国际标准分类号】:17_200_20
【页数】:5P.;A4
【正文语种】:英语
