ISO 7404-5-2009 煤的岩相分析法.第5部分:用显微镜技术测定镜质体反射系数的方法

上一篇: EN 12409-2008 橡胶和塑料机械.热成形机械.安全要求
下一篇: ISO 7404-2-2009 煤的岩相分析方法.第2部分:煤样制备方法

【英文标准名称】:Heatingsystemsinbuildings-Methodforcalculationofsystemenergyrequirementsandsystemefficiencies-Part2-3:Spaceheatingdistributionsystems;GermanversionEN15316-2-3:2007
【原文标准名称】:建筑物的供热系统.系统能量要求和系统功效的计算方法.第2-3部分:对流式供暖分配系统
【标准号】:DINEN15316-2-3-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:室温;评估;建筑物服务设施;建筑物;定义;能量消耗;能量需要;能量性能;供暖分配;热工学;热损失;供热;供热能量;加热设备;加热装置;数学计算;计算方法;废物利用;热回收;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】:P46
【国际标准分类号】:91_140_10
【页数】:51P.;A4
【正文语种】:德语


【英文标准名称】:Geometricalproductspecifications(GPS)-Inspectionbymeasurementofworkpiecesandmeasuringequipment-Part1:Decisionrulesforprovingconformanceornon-conformancewithspecifications(ISO14253-1:1998);GermanversionENISO14253-1:1998
【原文标准名称】:产品几何量规范(GPS).工件的测量检查和测量设备.第1部分:按规范检验一致性或不一致性的判定规则
【标准号】:DINENISO14253-1-1999
【标准状态】:现行
【国别】:德国
【发布日期】:1999-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:工件;尺寸;产品规范;设置;验证;形状;测量不确定度;测量结果;几何的;偏差;尺寸测量;符号;规范;一致性;极限(数学);测量仪器;定义;承受极限;规范(验收);试验;测量;公差(测量);几何;决定方法;产品;产品几何量技术规范
【英文主题词】:Consistency;Decisionmethods;Definitions;Deviations;Dimensionalmeasurement;Dimensions;Establishment;Geometric;Geometricalproductspecification;Geometry;GPS;Limits(mathematics);Measurement;Measuring;Measuringincertainity;Measuringinstruments;Measuringresults;Productspecification;Productspecifications;Products;Shape;Specification;Specification(approval);Symbols;Testing;Tolerancelimit;Tolerances(measurement);Verification;Workpieces
【摘要】:
【中国标准分类号】:J04
【国际标准分类号】:17_040_30
【页数】:17P.;A4
【正文语种】:德语