IEC 60704-2-2-1985 测定家用和类似用途电器发出的空中传播噪声的试验规范第2-2部分:强制对流电加热器的特殊要求

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【英文标准名称】:Testcodeforthedeterminationofairborneacousticalnoiseemittedbyhouseholdandsimilarelectricalappliances.Part2:Particularrequirementsforforceddraughtconvectionheaters
【原文标准名称】:测定家用和类似用途电器发出的空中传播噪声的试验规范第2-2部分:强制对流电加热器的特殊要求
【标准号】:IEC60704-2-2-1985
【标准状态】:作废
【国别】:国际
【发布日期】:1985
【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/SC59C
【标准类型】:()
【标准水平】:()
【中文主题词】:空气噪声;发出的空气噪声;家用电器;声学试验;加热器;家用设备;声学测量;测定;噪声测量;规范(验收);声试验;电气工程;对流;对流式加热器
【英文主题词】:Acousticmeasurement;Acoustictesting;Acoustictestingrooms;Acoustics;Airbornenoise;Airbornenoiseemitted;Convection;Convectionheaters;Convectionheating;Determination;Domestic;Electricappliances;Electrichouseholdappliance;Electrichouseholdappliances;Electricalengineering;Electricalhouseholdappliances;Envelopingsurfacemethods;Heaters;Heatingconvectors;Heatingequipment;Householdequipment;Householduse;Machines;Measurement;Measurementofairbornenoise;Measuringrooms;Noiseemissions;Noiselevels;Noisemeasurements;Regulations;Reverberationrooms;Soundintensity;Soundlevel;Soundpressurelevel;Soundpropagation;Space-heatingsystems;Specification(approval);Testspecification;Testing;Unitheaters
【摘要】:Isapplicabletosuchheaters,designedforplacingonthefloor,tableorcounter,etc.,orforwall-mounting.Doesnotapplytoelectricstorageroomheaters,roomhumidifiers,roomdehumidifiers,aircleanersandheatersdesignedexclusivelyforindus
【中国标准分类号】:Y63;Y60
【国际标准分类号】:97_100_10
【页数】:19P;A4
【正文语种】:英语


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Product Code:SAE AMS5709
Title:Nickel Alloy, Corrosion and Heat-Resistant, Bars and Forgings, 58Ni - 19.5Cr - 13.5Co - 4.3Mo - 3.0Ti - 1.4Al - 0.05Zr - 0.006B, Consumable Electrode or Vacuum Induction Melted, 1975 掳F (1079 掳C) Solution, Stabilization, and Precipitation Heat Treated
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat-resistant nickel alloy in the form of bars, forgings, and forging stock.【英文标准名称】:Advancedtechnicalceramics-Monolithicceramics-Generalandtexturalproperties-Determinationofgrainsizeandsizedistribution(characterizedbythelinearinterceptmethod)
【原文标准名称】:高级工程陶瓷.单片陶瓷.一般和纹理特性.粒度和粒度分布的测定(线性截取法表征)
【标准号】:BSEN623-3-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-08-15
【实施或试行日期】:2001-08-15
【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】:陶瓷;粒度;粒度测量;特种陶瓷;粒度分布;均值;整体材料;显微摄影;平均
【英文主题词】:
【摘要】:ThispartofEN623describesmanualmethodsofmakingmeasurementsforthedeterminationofmeanlinearinterceptgrainsizeofadvancedtechnicalceramicsusingphotomicrographsofpolishedandetchedtestpieces.Thisisnotthetruemeangraindiameter,butasomewhatsmallerparameterrepresentingtheaveragepathlengthofalinedrawnacrossatwo-dimensionalsection.Therelationshiptotruegraindimensionsdependsongrainshapeanddegreeofmicrostructuralanisotropy.Thisstandardcontainstwomethods:AandB.MethodAappliestosingle-phaseceramics,andtoceramicswithaprincipalcrystallinephaseandaglassygrainboundaryphaseoflessthanabout5%byvolumeforwhichinterceptcountingsuffices.MethodBappliestoceramicswithmorethanabout5%byvolumeofporesorsecondaryphases,orceramicswithmorethanonemajorcrystallinephasewhereindividualinterceptlengthsaremeasured,whichcanoptionallybeusedtocreateasizedistribution.Thislattermethodallowstheporesorphasestobedistinguishedandthemeanlinearinterceptsizeforeachtobecalculatedseparately.NOTEAmethodofdeterminingvolumefraction(s)ofsecondaryphase(s)isunderdevelopmentasENV623-5;thiswillprovideameansofdeterminingwhetherMethodAorMethodBshouldbeappliedinborderlinecases.Someusersofthisstandardmaywishtoapplyautomaticorsemiautomaticimageanalysistomicrographsordirectlycapturedmicrostructuralimages.Thisispermittedbythisstandardprovidedthatthetechniqueemployedsimulatesthemanualmethod(seeclause4and8.4).
【中国标准分类号】:Q32
【国际标准分类号】:81_060_30
【页数】:26P;A4
【正文语种】:英语