【英文标准名称】:Gas-fired,heatactivatedairconditioningandheatpumpappliances
【原文标准名称】:燃气吸收式夏季空气调节器
【标准号】:ANSIZ21.40.1-1994
【标准状态】:作废
【国别】:美国
【发布日期】:1994
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;气体燃料;燃气燃烧;热力工程;效率;燃气配件;设计;热泵;空调器;空调
【英文主题词】:definitions;gasburning;heatengineering;gaseousfuels;efficiency;design;airconditioners;heatpumps;airconditioning;gasfittings
【摘要】:
【中国标准分类号】:Y61
【国际标准分类号】:91_140_30;91_140_10;91_140_40
【页数】:106P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforEqualArmBalances
【原文标准名称】:等臂天平的测试方法
【标准号】:ASTME1270-1988(2003)
【标准状态】:现行
【国别】:
【发布日期】:1988
【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】:E41.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:砝码;称重机的设计和制造;试验
【英文主题词】:capacity;readability;sensitivity;balance;weight;dampingratio
【摘要】:Thistestmethodshouldenabletheuserofthebalancetointerpretdatadeterminedthereonintermsofaccuracyandprecision.Itshouldbehelpfulinusingaparticularinstrumenttobestadvantage.Weaknessesaswellasstrengthsshouldbecomeapparent.Itisnottheintentionofthistestmethodtocomparesimilarinstrumentsofdifferentmanufacturebutrathertoassistinchoosinganinstrumentwhichwillmeettheneedsoftheuser.1.1Thistestmethodcanbeusedfortestingequal-armbalancesofanycapacityandsensitivity.Thetestingprocedureshouldenabletheusertocharacterizehisinstrumentsufficientlytodeterminewhetherornotitissuitableforthepurposeforwhichitistobeused.1.2Thecharacteristicstobeexaminedinclude:1.2.1Sensitivityatallloads,1.2.2Leverarmratio,1.2.3Dampingratio(forinstrumentswithoutaccessorydampers),1.2.4Periodofoscillation,1.2.5Precision,and1.2.6Linearityandcalibrationofaccessorydevicesthatprovideon-scaleindicationofweight.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcernsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A53
【国际标准分类号】:
【页数】:6P.;A4
【正文语种】: