DIN IEC 60852-1-1990 电信和电子设备变压器和电感器的外形尺寸.第1部分:使用YEI-1型叠片的变压器和电感器
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【英文标准名称】:Outlinedimensionsoftransformersandinductorsforuseintelecommunicationandelectronicequipment;part1:transformersandinductorsusingYEI1laminations;identicalwithIEC60852-1:1986
【原文标准名称】:电信和电子设备变压器和电感器的外形尺寸.第1部分:使用YEI-1型叠片的变压器和电感器
【标准号】:DINIEC60852-1-1990
【标准状态】:现行
【国别】:德国
【发布日期】:1990-09
【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】:电气工程;阻气门;铁心叠片;尺寸;电信设备;叠层铁芯;装配尺寸;片盘;电子设备;变压器
【英文主题词】:Assemblydimensions;Chokes;Corelaminations;Dimensions;Electricalengineering;Electronicequipment;Laminatedcores;Spools;Telecommunicationinstallations;Transformers
【摘要】:Thisstandardspecifiestheoutlinedimensionsoftransformersandinductors,usingEandIlaminations,builtforthethreemostcommonlyusedformsofmountingstyle,namelybracketmounting,U-clampmountingandprintedwiringboardmounting
【中国标准分类号】:L17
【国际标准分类号】:29_180
【页数】:11P;A4
【正文语种】:德语
【英文标准名称】:Technicaldrawings.Generalprinciplesofpresentation.Part24:Linesonmechanicalengineeringdrawings.
【原文标准名称】:技术图纸.表示的一般规则.第24部分:机械工程图纸上的线条
【标准号】:NFE04-524-4-1999
【标准状态】:现行
【国别】:法国
【发布日期】:1999-08-01
【实施或试行日期】:1999-08-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:J04
【国际标准分类号】:01_100_01
【页数】:17P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforMoistureinWoolbyDistillationWithToluene
【原文标准名称】:用甲苯蒸馏法测定羊毛中水分的标准试验方法
【标准号】:ASTMD2462-1990(2008)
【标准状态】:现行
【国别】:美国
【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】:D13.13
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:wool;moisturecontent;Distillation;Moistureanalysis--textilefabrics/fibers;Toluenedistillation;Woolandwooltop--moisturecontent
【摘要】:TestMethodD2462fortestingformoistureinwoolisconsideredsatisfactoryforacceptancetestingofcommercialshipmentssincecurrentestimatesofbetween-laboratoryprecisionareacceptable.IncaseofadisputearisingfromdifferencesinreportedtestresultswhenusingTestMethodD2462foracceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativetestingtodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofthebias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogenousaspossibleandthatarefromalotofthetypematerialinquestion.Thetestspecimensshouldbeassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent''st-Testforunpaireddataandanacceptanceprobabilitylevelchosenbythetwopartiesbeforethetestisbegun.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinlightoftheknownbias.Thistestmethodisthepreferredmethodforallsuitablesamplesofwoolwhereitisimportanttoobtainaresultfreefromthepossiblebiases,introducedbytheconditionsdiscussedin5.3and5.4.Thistestmethodisfreefromtheinterferencescausedbydifferentconditionsofambientatmospheresuchasmightaffecttheresultsofoven-drying.Aslightamountofresidualmoisturemayberetainedinaspecimensubjectedtooven-dryingbecauseoftherelativehumidityoftheambientair;however,theamountofmoistureretainedmaybeestimatedfrompublisheddata.Thistestmethodisfreefromtheinterferencecausedbynonaqueousvolatilematerial.Suchmaterial,whenpresent,iserroneouslymeasuredasmoisturebyoven-dryingmethods,theextentoftheerrordependingupontheamountandcharacteristicsofanyaddedoilsorfinishes.Thistestmethodisrelativelycumbersome,timeconsuming,andcostlycomparedtooven-drying,andisnotrecommendedforroutineprocesscontrol,in-plantevaluations,orforotherpurposeswhereahighdegreeofaccuracyisnotnecessary.Thecostofoperationcanbereducedsomewhatbyredistillingtheusedtoluene,whichisthensuitableforreusewithoutfurthertreatment.Unlikeanoven-dryingmethod,anymoisturegainedorlostbyaspecimenafteritsmasshasbeendeterminedwillappearasadirecterrorinthefinalresult.Sinceoneoftheprincipalusesofthemethodistodeterminetheaveragemoisturepresentinlargelotsofwoolorwoolproductsexposedtovariableatmosphericconditions,numerouslaboratorysamplesandtestspecimensarecommon.Toavoiderrorsofthetypementionedabove,thisprocedureincludesprovisionsforstabilizingthesample(s)inthelaboratoryatmospheresothat,duringthetimenecessaryforselecting,weighing,andtransferringthespecimenstoflasks,gainorlossofmoisturewhichcannotbeaccountedforwillbeminimized.Afurtheradvantageofthestabilizingprocessisrealizedincaseswheretheinterestissolelyintheaveragemoisturecontentofthesample,andtheactualmoisturecontentwithinthesampleishighlyvariable.Bystabilizingthesamplebeforeselectingthespecimens,equalprecisioncanbeachievedwithfewerspecimens.1.1Thistestmethodcoversthedeterminationoftheamountofmoisturepresentingreasewool,scouredwool,cardedwool,garnettedwool,wooltopandintermediatewoolproducts,androvings,bydistillationwithtoluene.1.2Equationsaregivenforcalculatingtheamountofwaterpresentasmoisturecontent(as-receivedbasis)andmoistureregain(dryfiber)basis.Thetermthatcorrespondstothebasisusedinthecalculati......
【中国标准分类号】:W20
【国际标准分类号】:59_060_10
【页数】:5P.;A4
【正文语种】:英语
