ANSI/ASTM B76-2001 电加热用镍铬和镍铬铁合金加速寿命试验方法
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【英文标准名称】:TestMethodforAcceleratedLifeofNickel-ChromiumandNickel-Chromium-IronAlloysforElectricalHeating
【原文标准名称】:电加热用镍铬和镍铬铁合金加速寿命试验方法
【标准号】:ANSI/ASTMB76-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:金属;试验;合金
【英文主题词】:alloys;testing;metals
【摘要】:Thistestmethodcoversthedeterminationoftheresistancetooxidationofnickel-chromiumandnickel-chromium-ironelectricalheatingalloysatelevatedtemperaturesunderintermittentheating.Proceduresforaconstant-temperaturecycleareprovided.Thistestmethodisusedforinternalcomparativepurposesonly.Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Themetricequivalentsofinch-poundunitsmaybeapproximate.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialSafetyDataSheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:K14
【国际标准分类号】:77_120_40
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDiameterofWoolandOtherAnimalFibersbyMicroprojection
【原文标准名称】:显微投影法测定羊毛和其它动物纤维直径的标准试验方法
【标准号】:ASTMD2130-1990(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】:animalfibers(exceptwool);diameter;wool;Animalfibers;Diameter--textilefabrics/fibers;Man-madetextilefibers;Microprojection;Woolandwooltop--fiberdiameter
【摘要】:ThistestmethodspecifiesasamplingandtestingprocedureforthemeasurementofaveragefiberdiameterandvariationindiameterofanimalfibersasrequiredinTestMethodD2968.TestMethodD2130fortestingwoolandotheranimalfibersforaveragefiberdiameterisconsideredsatisfactoryforacceptancetestingofcommercialshipmentssincecurrentestimatesofbetween-laboratoryprecisionareacceptableandthemethodhasbeenusedextensivelyinthetradeforacceptancetesting.Incasesofdisagreementarisingfromdifferencesinvaluesreportedbythepurchaserandthesellerwhenusingthismethodforacceptancetesting,thestatisticalbias,ifany,betweenthelaboratoryofthepurchaserandthelaboratoryofthesellershouldbedeterminedwitheachcomparisonbeingbasedonthetestingofspecimensrandomlydrawnfromonesampleofmaterialofthetypebeingevaluated.1.1Thistestmethodcoversaprocedure,usingthemicroprojector,forthedeterminationoftheaveragefiberdiameterandthefiberdiametervariationonwoolandotheranimalfibers,suchasmohair,cashmere,alpaca,camel''shair,etc.(Note1)intheirvariousforms.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Themetricequivalentsofinch-poundunitsmaybeapproximate.Note18212;Thistestmethodmayalsobeappliedtoanyfibershavingaroundcrosssectionandaccordinglymaybeusedmanytimesformelt-spunman-madefiberssuchaspolyamides,polyesters,andglass;alsoitmaybeappliedtoalimitednumberofpolyacrylicsandregeneratedcellulosetypefibers.ThevaluesgiveninAppendixX1fordensityandcorrectionfactors,however,applyonlytowoolandshouldnotbeusedforotherfibers.Forsuitablevaluesforthedensityofotherfibers,seeTable5inTestMethodsD629,QuantitativeAnalysisofTextiles.Note28212;Insubsequentsectionsofthistestmethod,thetermx201C;woolx201D;alsosignifiesmohairorotherfibersifthecircumstancesareapplicable.Note38212;Forfinenessspecificationsforwool,wooltop,mohair,mohairtop,alpaca,andcashmere,refertoSpecificationsD3991andD3992,SpecificationD2252,TestMethodD2816.1.3Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W20
【国际标准分类号】:59_060_10
【页数】:11P.;A4
【正文语种】:英语
【英文标准名称】:Surgearresters-Part4:metal-oxidesurgearresterswithoutgapsfora.c.systems.
【原文标准名称】:避雷器.第4部分:交流电系统用无间隙金属氧化物避雷器
【标准号】:NFC65-101/A2-2009
【标准状态】:现行
【国别】:法国
【发布日期】:2009-07-01
【实施或试行日期】:2009-07-17
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Acceptanceinspection;Alternatingcurrent;Alternatingcurrentnetworks;Alternatingvoltages;Classification;Definitions;Dimensioning;Electricalengineering;Electricalprotectionequipment;Electricaltesting;Inspection;Installationsforratedvoltages;Marking;Metaloxidearresters;Metallicoxides;Overvoltage;Overvoltageprotection;Qualificationtests;Routinechecktests;Specification(approval);Surgearresters;Surgelimiters;Testing;Traps;Voltage
【摘要】:
【中国标准分类号】:K49
【国际标准分类号】:29_240_10
【页数】:19P;A4
【正文语种】:其他