SAE J1274 Performance Requirements for the Automotive Audio Cassette (Cancelled Jan 1991)

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Product Code:SAE J1274
Title:Performance Requirements for the Automotive Audio Cassette (Cancelled Jan 1991)
Issuing Committee:
Scope:This performance document for the audio cassette was developed by qualified engineers from the automotive industry, the prerecorded tape industry, and the tape and cassette manufacturers. It is based upon sound engineering principles supported by laboratory tests and field experience. The values given are supported by all of these industries and considered necessary to establish customer acceptance and satisfaction.
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【英文标准名称】:Helical-scanvideotapecassettesystemusing12,65mm(0,5in)magnetictapeontypebetaformat;FMaudiorecording;part1:625line-50fieldsystems
【原文标准名称】:使用B型格式12.65mm(0.5in)磁带的螺旋扫描盒式磁带录像系统调频录音第1部分:625行-50场体系
【标准号】:IEC61053-1-1991
【标准状态】:现行
【国别】:国际
【发布日期】:1991-02
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC100
【标准类型】:()
【标准水平】:()
【中文主题词】:记录系统;磁带;螺旋扫描记录(法);视频;视频记录;特性;录像磁带;β型;调频;电气工程;盒式磁带
【英文主题词】:Beta-format;Cassettes(magnetictapes);Electricalengineering;Frequencymodulation;Helicalscanrecording;Magnetictapes;Properties;Recordingsystems;Video;Videorecording;Videotaperecordings
【摘要】:DefinestheelectricalandmechanicalcharacteristicsofFMaudiorecordingwhichwillprovidefortheinterchangeabilityofrecordedcassettes.
【中国标准分类号】:M71
【国际标准分类号】:33_160_40
【页数】:21P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforSyntheticQuaternaryAmmoniumSaltsinFabricSoftenersbyPotentiometricTitrations
【原文标准名称】:采用电位滴定法的织物软化剂中合成季胺盐的标准试验方法
【标准号】:ASTMD5070-1990(2005)
【标准状态】:现行
【国别】:
【发布日期】:1990
【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】:D12.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;织物;电位测量法
【英文主题词】:
【摘要】:Thistestmethodisusedtodeterminethequaternaryammoniumsaltscommonlyfoundinfabricsofteners.Quaternaryammoniumcompoundsbeingtheactiveingredientsinfabricsoftenersrequiresaccuratedeterminationtoassessthecostandperformanceofsuchcompounds.1.1Thistestmethoddescribesapotentiometrictitrationprocedureforthedeterminationofquaternaryammoniumsaltsinfabricsofteners.Thistestmethodisintendedfortheanalysisofknownquaternaryammoniumsaltssuchasthedialkyldimethylquaternaryammoniumcompoundtypeandthediamidoaminebasedquaternaryammoniumcompoundtype.1.2ThequaternaryammoniumsaltsconformtothestructuresshowninFig.1andFig.2.1.3Theanalyticalprocedureappearsinthefollowingorder:SectionApparatus5Reagents6Preparationofstandardreagents7Standardizationofhyaminesolution9Safetyprecautions8Procedurefordeterminationofdialkyldimethylquaternaries10Procedurefordeterminationofdiamidoaminebasedquaternaries11