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ASTM C879-2003 与预制密封带一同使用的脱模纸的标准试验方法

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【英文标准名称】:StandardTestMethodsforReleasePapersUsedWithPreformedTapeSealants
【原文标准名称】:与预制密封带一同使用的脱模纸的标准试验方法
【标准号】:ASTMC879-2003
【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】:preformedtapesealant;releasepaper;tapesealants;tapes
【摘要】:Preformedtapesealantsaretacky,deformablesolidsthatareusedundercompressionbetweentwosubstratesinvarioussealingapplications.Thesetapesareusuallysuppliedinrollformwithareleasepaperinterlayer.Whentherollisunwoundandthereleasepaperisremovedfromthepreformedtapesealant,thereshouldbenotransferofthepreformedtapesealanttothereleasepaper,noranyresidueleftonthepaper.Thesemethodswillgiveaqualitativeindicationofwhetherornotthereleasepapercanberemovedcleanlyfromapreformedtapesealantafteracontrolledexposureperiod.Alternativeproceduresarelistedbecausesomepreformedtapesealantsarenormallyusedunderfieldconditionswhereelevatedtemperaturescanbeencountered,whileotherpreformedtapesealantsarenormallyusedundermorecontrolledenvironmentsinx201C;assemblylinex201D;operations.1.1Thesetestmethodscoverlaboratoryproceduresforevaluatingthereleasecharacteristicsofareleasepaperintendedtobesuppliedindirectcontactwithapreformedtapesealant.1.2Thevaluesstatedinmetric(SI)unitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationpurposesonly.1.3ThesubcommitteewithjurisdictionisnotawareofanysimilarISOstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcernsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:91_100_50
【页数】:3P.;A4
【正文语种】:


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Product Code:SAE J421
Title:Cleanliness Rating of Steels By the Magnetic Particle Method
Issuing Committee:Metals Technical Executive Steering Committee
Scope:【英文标准名称】:Methodsofmeasurementonreceiversfortelevisionbroadcasttransmission-ElectricalmeasurementsonmultichannelsoundtelevisionreceiversusingtheNICAMtwo-channeldigitalsound-system
【原文标准名称】:电视广播传输接收机测量方法.用NICAM两频道数字声音系统的多频道伴声电视接收器电气测量
【标准号】:BSEN60107-5-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-02-15
【实施或试行日期】:1999-02-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电学测量;试验条件;数字信号;性能试验;通信设备;电视;电视信道;电信传输法;频率测量;数字记录法;声音广播;电视广播;电信;电视接收机;广播;音频;声信号;电视设备;信号处理
【英文主题词】:
【摘要】:ThemethodsofmeasurementdescribedinthispartofIEC60107applytotelevisionreceiversdesignedforthereceptionoftelevisionbroadcastsusingthetwo-channeldigitalsoundsystem.Thesoundcoding-systemisbasedonNICAM728andistransmittedbyaquadraturephase-shiftkeying(QPSK)modulateddigitalsubcarrier.NOTENICAM728istheabbreviatedformofNearInstantaneousCompandedAudioMultiplexat728kbit/s.
【中国标准分类号】:M74
【国际标准分类号】:33_160_25
【页数】:16P;A4
【正文语种】:英语