DIN IEC 60944-1995 硅酮变压器油维护指南
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【英文标准名称】:Guideforthemaintenanceofsiliconetransformerliquids;identicalwithIEC60944:1988
【原文标准名称】:硅酮变压器油维护指南
【标准号】:DINIEC60944-1995
【标准状态】:现行
【国别】:德国
【发布日期】:1995-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:液体;液体电绝缘材料;检修;绝缘液体;硅氧烷;试验;电气工程;检验;变压器;抽样方法;维修;电绝缘材料;特性;硅
【英文主题词】:Electricalengineering;Electricalinsulatingmaterials;Inspection;Insulatingliquids;Liquidelectricalinsulatingmaterials;Liquids;Maintenance;Properties;Repair;Samplingmethods;Silicone;Silicones;Te
【摘要】:
【中国标准分类号】:K15
【国际标准分类号】:29_040_10
【页数】:6P;A4
【正文语种】:德语
【英文标准名称】:Cinematography.Commontomorethanonegauge.Sound.Specificationforbasictechnicalcharacteristicsofmagneticsoundtestfilmsexcludingstripedreleaseprints
【原文标准名称】:电影摄影技术.第5部分:多种胶片宽度的通用部分.第4节:声音.第5小节:无条纹拷贝的磁性声试验胶片的基本技术特性规范
【标准号】:BS5550SubSec.5.4.5-1987
【标准状态】:作废
【国别】:英国
【发布日期】:1987-04-30
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电影胶片;电影摄影;有声片放映机;试验设备;公差;录音;频率;持续时间;放声;声道;记录特性;磁记录;声信号;声学试验;信号电平;调制;信号失真;作标记
【英文主题词】:
【摘要】:
【中国标准分类号】:A15
【国际标准分类号】:
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:AmericanNationalStandardforMethodsofMeasurementofRadio-NoiseEmissionsfromLow-VoltageElectricalandElectronicEquipmentintheRangeof9kHzto40GHz
【原文标准名称】:从频率范围为9kHz至40GHz的低压电气和电子设备排放的无线电噪声辐射的测量方法用美国国家标准
【标准号】:IEEEC63.4-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009-09-15
【实施或试行日期】:
【发布单位】:美国电气电子工程师学会(US-IEEE)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisstandardspecifiesU.S.consensusstandardmethods,instrumentation,andfacilitiesformeasurementofradio-frequency(RF)signalsandnoiseemittedfromelectricalandelectronicdevicesinthefrequencyrange9kHzto40GHz.Itdoesnotincludegenericnorproduct-specificemissionlimits.Wherepossible,thespecificationshereinareharmonizedwithothernationalandinternationalstandardsusedforsimilarpurposes.Usesofthewordshallinthisstandardindicateamandatoryrequirementthatmustbemettosatisfythisstandard.Thewordshouldisusedtoindicatethatarequirementisrecommendedbutnotmandatory.Tolerancesondimensionsanddistancesarebasedongoodengineeringpracticewherenotspecified.Thewordmayisusedtoindicatearecommendationthatisatthediscretionoftheuser.Inaddition,notesinthisdocumentareinformativeandarenotpartoftherequirements.Inthisstandard,thetexttakesprecedenceoverthefiguresbecausethetextiscompleteandthefiguresareillustrativeofatypicalapplicationofthetext.Notesareusedinthetextforemphasisortoofferinformativesuggestionsaboutthetechnicalcontentofthestandard,andthesenotesprovideadditionalinformationtoassistthereaderwithaparticularpassagebutdonotincludemandatoryrequirements.Footnotesintextareincludedonlyforinformation,clarification,and/oraidapplicabletotheuseofthestandard,butmandatoryrequirementsarenotincludedintextfootnotes.Measurementmethodsareincludedforradiatedandline-conductedemissionsthatcanbegeneratedbyavarietyofdevices,asdescribedin1.2.Definitionsareprovidedfortermsandphrasescontainedinthetext,inwhichthewordsdonotrepresentobviousorcommonusage.Measurementinstrumentation,facilities,andtestsitesarespecifiedandcharacterized,includingopen-areatestsites(OATS)andRFabsorber-lined,metalchambersusedforradiatedemissionmeasurement.Transverseelectromagnetic(TEM)wavedevicesusedforradiatedemissionmeasurementaretreatedinnormativeAnnexF.TherequirementsofAnnexF,whensuchtestsareperformed,shalltakeprecedenceinthisstandard.Inmostcases,measurementinstrumentationandcalibrationrequirementsareonlygenerallycharacterizedindeferencetostandardsdedicatedtothesesubjects,whichshouldbeusedinconjunctionwiththisstandard.Therequirementsforoperationoftestsamplesduringmeasurementsarepresentedfordevicesingeneral,aswellasforspecifictypesofdevicesthatarefrequentlymeasured.Specificrequirementsforemissiontestdatarecordingandreportingarepresentedwithreferencetogeneralrequirementscontainedindocumentsdedicatedtostandardlaboratorypractices,whichshouldbeusedinconjunctionwiththisstandard.Themaintextisaugmentedbyaseriesofannexesthatprovidedetailsforcertainmeasurementmethodsandfacilities.AnnexAprovidesanindexofmaintextclausestobeusedwhentestingparticularequipmentundertest(EUT)types.
【中国标准分类号】:A42
【国际标准分类号】:
【页数】:147P.;A4
【正文语种】:英语
