【英文标准名称】:Informationanddocumentation-Bibliographicdataelementdirectory-Informationretrievalapplications
【原文标准名称】:信息和文件管理.文献数据元件目录.信息检索应用
【标准号】:BSISO8459-3-1994
【标准状态】:作废
【国别】:英国
【发布日期】:1995-07-15
【实施或试行日期】:1995-07-15
【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】:情报检索;数据集;文献目录;数据库;数据组织;人名地址录;文献;文电;数据处理;信息交流;术语
【英文主题词】:Bibliographicreferences;Bibliography;Dataelements;Documentations;Information;Informationexchange;Informationretrieval;Lists;Research
【摘要】:ThispartofISO8459specifiesanddescribesdataelementsrequiredintheinterchangeofdatabetweeninformationretrievalsystems(i.e.terminal-to-computerorcomputer-to-computer).Italsoidentifiesmessagesandtheirdataelementswhichareusedininformationretrievaltransactions.Itisintendedtosupportbothbatchandinteractiveinformationretrievaltransactions.AnnexBprovidesexamplesofhowthispartofISO8459maybeused.Thestructuringofthedataelementsinsupportofin-formationretrievalapplicationsfallsoutsidethescopeofthispartofISO8459.Forsamplestructuringofthesedataelements,seeISO8777(commandsforinteractivesearching),ISO10162(searchandretrieveapplicationservicedefinitionforopensystemsinter-connection)andISO10163(searchandretrieveapplicationprotocolspecificationforopensystemsinterconnection).
【中国标准分类号】:A14
【国际标准分类号】:01_140_20;35_240_30
【页数】:44P.;A4
【正文语种】:英语


【英文标准名称】:Heatingsystemsinbuildings-Methodforcalculationofsystemenergyrequirementsandsystemefficiencies-Spaceheatingdistributionsystems
【原文标准名称】:建筑物供暖系统.系统能量要求和系统功效的计算方法.热分配系统空间
【标准号】:BSEN15316-2-3-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-08-31
【实施或试行日期】:2007-08-31
【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】:环境温度;评定;建筑物服务设施;建筑物;定义;能量消耗;能量要求;能量性能;热分布;热力工程;热损失;供热;热能;加热设备;加热装置;数学计算;计算方法;恢复;对流式供暖系统;系统论;温度分布;结构热工性能;热环境系统;热输出;热水供应;余热利用;配水
【英文主题词】:Ambienttemperatures;Assessment;Buildingservices;Buildings;Definition;Definitions;Energyconsumption;Energydemands;Energyperformance;Heatdistribution;Heatengineering;Heatloss;Heatsupply;Heatingenergy;Heatingequipment;Heatinginstallations;Mathematicalcalculations;Methodsofcalculation;Recovery;Regeneration;Serviceinstallationsinbuildings;Space-heatingsystems;Systemology;Temperaturedistribution;Thermalbehaviourofstructures;Thermalenvironmentsystems;Thermaloutput;Warmwatersupply;Wasteheatrecovery;Waterdistribution
【摘要】:ThisEuropeanStandardprovidesamethodologytocalculate/estimatethesystemthermallossofwaterbaseddistributionsystemsforheatingandtheauxiliaryenergydemand,aswellastherecoverablepartofeach.Theactualrecoveredenergydependsonthegaintolossratio.Differentlevelsofaccuracy,correspondingtotheneedsoftheuserandtheinputdataavailableateachdesignstageoftheproject,areprovidedinthisEuropeanStandardbydifferentcalculationmethods,i.e.adetailedcalculationmethod,asimplifiedcalculationmethodandamethodbasedontabulatedvalues.Thegeneralmethodofcalculationcanbeappliedforanytime-step(hour,day,monthoryear).Pipeworklengthsfortheheatingofdecentralised,non-domesticventilationsystemsequipmentaretobecalculatedinthesamewayasforwaterbasedheatingsystems.Forcentralised,non-domesticventilationsystemsequipment,thelengthistobespecifiedinaccordancewithitslocation.NOTEItispossibletocalculatethesystemthermallossandauxiliaryenergydemandforcoolingsystemswiththesamecalculationmethodsasshowninthisEuropeanStandard.Specifically,determinationofauxiliaryenergydemandisbasedonthesameassumptionsforefficiencyofpumps,becausetheefficiencycurveappliedisanapproximationforinlineandexternalmotors.ItneedstobedecidedbythestandardisationgroupofCEN,whetherornottheextensionforcoolingsystemsshouldbemadeinthisEuropeanStandard.ThisisalsovalidfordistributionsystemsinHVAC(inducts)andalsoforspecialliquids.
【中国标准分类号】:Q83
【国际标准分类号】:91_140_10
【页数】:52P.;A4
【正文语种】:英语