ANSI/INCITS/ISO/IEC 10179AMD 1-2003 信息技术.文本构成.文件式样的语义及规范语言(DSSSL).修改件1:DSSSL的扩展

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【英文标准名称】:Rubber,vulcanizedorthermoplastic-Determinationofhardness(hardnessbetween10IRHDand100IRHD)(ISO48:2007);EnglishversionofDINISO48:2009-10
【原文标准名称】:硫化或热塑橡胶.硬度的测定(硬度在10IRHD至100IRHD之间)(ISO48:2007),DINISO48:2009-10的英文版本
【标准号】:DINISO48-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Definitions;Elastomers;Hardness;Hardnessmeasurement;Hardnesstests;IRHD;Materialstesting;Measurement;Measuringinstruments;Measuringtechniques;Methods;Microhardness;Microhardnesstesting;Rubber;Testequipment;Testspecimens;Testing;Thermoplasticpolymers;Vulcanizedrubber
【摘要】:1.1GeneralThisInternationalStandardspecifiesfourmethodsforthedeterminationofthehardnessofvulcanizedorthermoplasticrubbersonflatsurfaces(standard-hardnessmethods)andfourmethodsforthedeterminationoftheapparenthardnessofcurvedsurfaces(apparent-hardnessmethods).Thehardnessisexpressedininternationalrubberhardnessdegrees(IRHD).Themethodscoverthehardnessrangefrom10IRHDto100IRHD.Themethodsdifferprimarilyinthediameteroftheindentingballandthemagnitudeoftheindentingforce,thesebeingchosentosuittheparticularapplication.TherangeofapplicabilityofeachmethodisindicatedinFigure1.ThedeterminationofhardnessbyapockethardnessmeterisdescribedinISO7619-2.1.2Standard-hardnessmethodsMethodN:Normaltest--Thismethodisappropriateforrubberswithahardnessintherange35IRHDto85IRHD,butmayalsobeusedforhardnessesintherange30IRHDto95IRHD.MethodH:High-hardnesstest--Thismethodisappropriateforrubberswithahardnessintherange85IRHDto100IRHD.MethodL:Low-hardnesstest--Thismethodisappropriateforrubberswithahardnessintherange10IRHDto35IRHD.MethodM:Microtest--Thismethodisessentiallyascaled-downversionofthenormaltestmethodN,permittingthetestingofthinnerandsmallertestpieces.Itisappropriateforrubberswithahardnessintherange35IRHDto85IRHD,butmayalsobeusedforhardnessesintherange30IRHDto95IRHDNOTE1ThevalueofthehardnessobtainedbymethodNwithintherangesfrom85IRHDto95IRHDandfrom30IRHDto35IRHDmaynotagreepreciselywiththatobtainedusingmethodHormethodL,respectively.Thedifferenceisnotnormallysignificantfortechnicalpurposes.NOTE2Becauseofvarioussurfaceeffectsintherubberandthepossibilityofslightsurfaceroughness(produced,forexample,bybuffing),themicrotestmaynotalwaysgiveresultsagreeingwiththoseobtainedbythenormaltest.1.3Apparent-hardnessmethodsAlsospecifiedarefourmethods.CNCH.CLandCM,forthedeterminationoftheapparenthardnessofcurvedsurfaces.ThesemethodsaremodificationsofmethodsN,H,LandM.respectively,forcaseswheretherubbersurfacetestediscurved.Twocasesexist,dependingwhethera)thetestpieceorproducttestedislargeenoughforthehardnessinstrumenttorestuponit;b)itissmallenoughforboththetestpieceandtheinstrumenttorestuponacommonsupport.Avariantofb)wouldbewherethetestpiecerestsonthespecimentableoftheinstrumentApparenthardnesscanalsobemeasuredannon-standardflattestpiecesusJngmethodsN,H,LandM.Theproceduresdescribedcannotprovideforallpossibleshapesanddimensionsoftestpiece,butcoversomeofthecommonesttypes,suchasO-ringsDeterminationoftheapparenthardnessofrubber-coveredrollersisdealtwithseparatelyinthevariouspartsofISO7267
【中国标准分类号】:G35
【国际标准分类号】:83_060
【页数】:23P.;A4
【正文语种】:英语


【英文标准名称】:Luminaires-Part2-20:Particularrequirements-Lightingchains
【原文标准名称】:灯具第2-20部分:特殊要求灯串
【标准号】:IEC60598-2-20-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:GB7000的本部分规定了电源电压不超过250V、用于室内或室外的、串联或并联以及串并联白炽灯组合的灯串的安全要求。注1：圣诞树灯串是配用串联或者串并联灯灯串的一个例子。为雪道或散步廊照明的灯串是配用并联灯灯串的一个例子。注2：装有插入式灯座的灯串,应用本部分相应的要求。注3：在有些国家里,“chains”一词用“strings’’代替。注4：使用非标准灯的灯串(例如：插入式灯),灯被看作是灯串的一部分,且包括在内进行试验(若有的话,在证书里面)。
【中国标准分类号】:K70
【国际标准分类号】:29_140_40
【页数】:15P.;A4
【正文语种】:汉语