DIN 58515-1977 绘图仪器的画针
作者:标准资料网 时间:2024-05-15 22:39:16 浏览:8098
来源:标准资料网
【英文标准名称】:Needlesfordrawinginstruments
【原文标准名称】:绘图仪器的画针
【标准号】:DIN58515-1977
【标准状态】:作废
【国别】:德国
【发布日期】:1977-10
【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】:作标记;公差;材料;尺寸;制图仪器;设计;针
【英文主题词】:marking;needles;materials;dimensions;drawinginstruments;tolerances(measurement);design
【摘要】:
【中国标准分类号】:Y50
【国际标准分类号】:7670
【页数】:1P;A4
【正文语种】:德语
【英文标准名称】:Informationtechnology-Metadataregistries(MDR)-Part1:Framework
【原文标准名称】:信息技术.元数据的注册(MDR).第1部分:框架
【标准号】:ISO/IEC11179-1-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-09
【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/IECJTC1/SC32
【标准类型】:()
【标准水平】:()
【中文主题词】:信息交换;特性;规范;数据处理;元数据;数据表示;信息技术;数据元;定义;注册
【英文主题词】:Characteristics;Dataelements;Dataprocessing;Datarepresentation;Definitions;Informationinterchange;Informationtechnology;Metadata;Registration;Specification
【摘要】:ISO/IEC11179specifiesthekindandqualityofmetadatanecessarytodescribedata,anditspecifiesthemanagementandadministrationofthatmetadatainametadataregistry(MDR).Itappliestotheformulationofdatarepresentations,concepts,meanings,andrelationshipsbetweenthemtobesharedamongpeopleandmachines,independentoftheorganizationthatproducesthedata.Itdoesnotapplytothephysicalrepresentationofdataasbitsandbytesatthemachinelevel.InISO/IEC11179,metadatareferstodescriptionsofdata.ISO/IEC11179doesnotcontainageneraltreatmentofmetadata.ThispartofISO/IEC11179providesthemeansforunderstandingandassociatingtheindividualpartsandisthefoundationforaconceptualunderstandingofmetadataandmetadataregistries.
【中国标准分类号】:L71
【国际标准分类号】:35_040
【页数】:23P;A4
【正文语种】:英语
【英文标准名称】:EnergyAssessmentforPumpingSystems
【原文标准名称】:泵送系统用能量评估
【标准号】:ASMEEA-2-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:评估;控制;分配;能量;能量性能;流体;热交换器;热泵;工业设施;仪器装置;开环;管路;泵送;泵;密封;污水;子系统;阀门;水
【英文主题词】:Assessment;Controls;Distribution;Energy;Energyperformance;Fluids;Heatexchangers;Heatpumps;Industrialfacilities;Instrumentation;Open-loop;Piping;Pumping;Pumps;Sealing;Sewage;Subsystem;Valves;Water
【摘要】:ThisStandardcoverspumpingsystems,whicharedefinedasoneormorepumpsandthoseinteractingorinterrelatingelementsthattogetheraccomplishthedesiredworkofmovingafluid.Apumpingsystemthusgenerallyincludespump(s),driver,drives,distributionpiping,valves,sealingsystems,controls,instrumentation,andenduseequipmentsuchasheatexchangers,forexample.Thisstandardaddressesopenandclosedlooppumpingsystemstypicallyusedinindustry,andisalsoapplicabletootherapplications.ThisStandardsetstherequirementsforconductingandreportingtheresultsofapumpingsystemassessment(hereafterreferencedasanassessment)thatconsiderstheentirepumpingsystem,fromenergyinputstotheworkperformedastheresultoftheseinputs.Anassessmentcomplyingwiththisstandardneednotaddresseachindividualsystemcomponentorsubsystemwithinanindustrialfacilitywithequalweight;however,itmustbesufficientlycomprehensivetoidentifythemajorefficiencyimprovementopportunitiesforimprovingtheoverallenergyperformanceofthesystem.Thisstandardisdesignedtobeappliedprimarilyatindustrialfacilities,butmanyoftheconceptscanbeusedinotherfacilitiessuchasthoseintheinstitutional,commercial,andwaterandwastewaterfacilities.
【中国标准分类号】:J75
【国际标准分类号】:27_080
【页数】:28P;A4
【正文语种】:英语
