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【英文标准名称】:Resistancewelding-Spotweldingelectrodecaps
【原文标准名称】:电阻焊接.点焊电极帽接头
【标准号】:ISO5821-2009
【标准状态】:现行
【国别】:国际
【发布日期】:2009-02
【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/TC44
【标准类型】:()
【标准水平】:()
【中文主题词】:帽(闭塞物);锥形夹具;名称与符号;尺寸公差;尺寸;电焊;电气工程;电极套;电极;作标记;材料;电阻点焊;电阻焊接;电阻焊电极;电阻焊设备;点焊;点焊电极;公差(测量);焊接;电焊条;焊接工程;焊接设备;焊机
【英文主题词】:Caps(closures);Cones;Designations;Dimensionaltolerances;Dimensions;Electricwelding;Electricalengineering;Electrodecaps;Electrodes;Marking;Materials;Resistancespotwelding;Resistancewelding;Resistance-weldingelectrodes;Resistance-weldingequipment;Spotwelding;Spotweldingelectrodes;Tolerances(measurement);Welding;Weldingelectrodes;Weldingengineering;Weldingequipment;Weldingmachines
【摘要】:
【中国标准分类号】:J33
【国际标准分类号】:25_160_30
【页数】:9P;A4
【正文语种】:英语


【英文标准名称】:Heatingsystemsinbuildings-Designofheatpumpheatingsystems
【原文标准名称】:建筑物供暖系统.热泵供暖系统的设计
【标准号】:BSEN15450-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-11-30
【实施或试行日期】:2007-11-30
【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】:建筑物加热;建筑物;定义;设计;热分配;热发生;热发生器;热泵;加热工程;加热设备;加热装置;加热过程;热水供热系统;热水制备装置;热水集中供暖;装置;维修;计划;规范(验收);热效率;热环境系统;水加热
【英文主题词】:Buildingheating;Buildings;Definition;Definitions;Design;Heatdistribution;Heatgeneration;Heatgenerators;Heatpumps;Heatingengineering;Heatingequipment;Heatinginstallation;Heatinginstallations;Heatingprocess;Hotwaterheatingsystems;Hotwaterpreparationplants;Hot-watercentralheating;Installations;Maintenance;Planning;Specification(approval);Thermalefficiency;Thermalenvironmentsystems;Waterheating
【摘要】:Thisstandardspecifiesdesigncriteriaforheatingsystemsinbuildingsusingelectricallydrivenheatpumpsaloneorincombinationwithotherheatgenerators.Heatpumpsystemsconsideredinclude:?water–water;?water–air;?brine–water;?refrigerant–water(directexpansionsystems);?refrigerant–refrigerant;?air–air;?air–water.Thisstandardtakesintoaccounttheheatingrequirementsofattachedsystems(e.g.domestichotwater)inthedesignofheatsupply,butdoesnotcoverthedesignofthesesystems.Thisstandardcoversonlytheaspectsdealingwiththeheatpump,theinterfacewiththeheatdistributionsystemandheatemissionsystem(e.g.bufferingsystem),thecontrolofthewholesystemandtheaspectsdealingwithenergysourceofthesystem.Systemsdesignedprimarilyforcoolingandsystemswhichcanoperatesimultaneouslyincoolingandheatingmodearenotwithinthescopeofthisstandard.
【中国标准分类号】:P46;J75
【国际标准分类号】:27_080;91_140_10
【页数】:50P.;A4
【正文语种】:英语