【英文标准名称】:NiobiumandNiobiumAlloyIngots
【原文标准名称】:铌和铌合金铸锭
【标准号】:ASTMB391-1989
【标准状态】:作废
【国别】:美国
【发布日期】:1989
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:铌;铸锭;有色金属;合金
【英文主题词】:alloys;niobium;ingots;non-ferrousmetals
【摘要】:
【中国标准分类号】:H63
【国际标准分类号】:77_140_90
【页数】:3P;A4
【正文语种】:英语


【英文标准名称】:BACnet-ADataCommunicationProtocolforBuildingAutomationandControlNetworks
【原文标准名称】:BACnet.建筑自动操作和控制网络用数据通信协议
【标准号】:ANSI/ASHRAE135af-2011
【标准状态】:现行
【国别】:美国
【发布日期】:2011
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Airconditioners;Automaticcontrolsystems;Automation;Automationinstallationsinbuildings;Automationsystems;BACnet;Buildingautomations;Buildingservices;Buildings;Circuitnetworks;Communicationsystems(buildings);Communicationtechnology;Controlengineering;Controltechnology;Cross-linked;Datacommunication;Dataexchange;Datanetwork;Definitions;Deviceconfiguration;EVT;Heating;Heatingequipment;Heatingtechnics;Metrology;Object-oriented;Operationaltechniques;Planning;Processmeasuringandcontroltechnology;Protocols;Serviceinstallations;Specification(approval);Thermalenvironmentsystems;Utilityequipment;Ventilation
【摘要】:ThisproposedaddendumundertakesamajoroverhaulofpartsoftheBACnetstandardrelatingtoeventsandalarms.Itaimstoaddressthemanychangeproposalsandinterpretationrequeststhathavebeenbroughtbeforethecommitteeovertheyears.Itmakeschangestoimprovefuturemaintenanceofthestandard,removesAnnexesCandD,clarifieslanguageofpresencerequirementsofproperties,revisesthelanguageofeventreporting,andmakesmanyotherneededrevisions.
【中国标准分类号】:P07
【国际标准分类号】:35_240_99;91_140_01;97_120
【页数】:
【正文语种】:英语