【英文标准名称】:StandardTestMethodforLow-TemperatureFlexibilityandTenacityofOne-Part,Elastomeric,Solvent-ReleaseTypeSealants
【原文标准名称】:单一组份的弹性溶剂释放型密封料的低温挠性及韧性的标准试验方法
【标准号】:ASTMC711-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C24.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:elastomeric;flexibility;solvent-releasesealant
【摘要】:Thistestmethodisnotintendedtosimulateanactualuseconditionbutitwillgivesomeindicationoftheelastomericpropertiesorflexibilityofabuildingjointsealantatlowtemperature.Itcanservetodifferentiatebetweenelastomer-basedsealantsandsealantsbasedonnonelasticbindersthatcanhardenorembrittleonagingandcrackorloseadhesionwhenflexedatlowtemperature.Inaddition,itcanaidinidentifyingsealantsthathavepoorflexibilitybecausetheyareoverextendedandcontainaverylowlevelofelastomericbinderaswellasthosesealantshavingbindersthatwillembrittleatlowtemperature.

(a)CompleteCrackingandAdhesiveFailure
(b)SevereCracking

(c)NoCrackingorAdhesiveFailure
【英文标准名称】:Broadcastvideotaperecorders-Methodsofmeasurement-Part2:Electricalmeasurementsofanaloguecompositevideosignals
【原文标准名称】:广播磁带录像机测量方法第2部分:模拟复合视频信号的电气测量
【标准号】:IEC61237-2-1995
【标准状态】:现行
【国别】:国际
【发布日期】:1995-05
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC100
【标准类型】:()
【标准水平】:()
【中文主题词】:视频记录;测量技术;模拟信号;磁带录像机;电学测量;广播工程;视频信号
【英文主题词】:Analoguerecordingmethods;Analoguesignals;Assembled;Broadcastengineering;Broadcasting;Electricalengineering;Electricalmeasurement;Magneticrecording;Measuringtechniques;Recordingequipment;Videorecording;Videosignals;Videotaperecorders
【摘要】:Describesthetestsignalsandmeasuringmethodsforequipmentsmainlydedicatedtorecord/playbackanaloguecompositeTV-signalsonmangetictapeonreelsorincassettes.Doesnotgivetheallowabletolerancesfortheratedvaluesforacceptableperfor
【中国标准分类号】:M71
【国际标准分类号】:33_160_40
【页数】:121P.;A4
【正文语种】:英语