ISO/IEC 9945-2-1993 信息技术.可移植操作系统接口.第2部分:壳体和设备
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【英文标准名称】:Informationtechnology;PortableOperatingSystemInterface(POSIX);part2:shellandutilities
【原文标准名称】:信息技术.可移植操作系统接口.第2部分:壳体和设备
【标准号】:ISO/IEC9945-2-1993
【标准状态】:作废
【国别】:国际
【发布日期】:1993-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/IEC/JTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:可移植的操作系统接口;信息技术;可移植操作系统接口;程序设计语言;计算机软件;数据处理;信息交流;用户界面;UNIX;接口;信息交换;应用软件;操作系统;系统配置;实用程序;说明书;壳
【英文主题词】:
【摘要】:
【中国标准分类号】:L74
【国际标准分类号】:35_080;35_060
【页数】:1328P;A4
【正文语种】:英语
【英文标准名称】:Plastics-Methodsofexposuretosolarradiation-Part3:Intensifiedweatheringusingconcentratedsolarradiation.
【原文标准名称】:塑料.日光照射暴露法.第3部分:采用聚焦日光照射强化暴露
【标准号】:NFT51-169-3-2011
【标准状态】:现行
【国别】:法国
【发布日期】:2011-03-01
【实施或试行日期】:2011-03-09
【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】:老化稳定性;大气作用;测定;曝光;菲涅尔透镜;影响因素;材料测试;镜子;自然采光;户外曝晒;塑料;耐力;结果;太阳辐射;应力;试验设备;试样;测试;测试条件;耐紫外线辐射;风化
【英文主题词】:Ageingstability;Atmosphericinfluences;Determination;Exposure;Fresnellens;Influencefactors;Materialstesting;Mirrors;Naturallighting;Outdoorexposure;Plastics;Resistance;Results;Solarradiation;Stress;Testequipment;Testspecimens;Testing;Testingconditions;Ultravioletradiationresistance;Weathering
【摘要】:
【中国标准分类号】:
【国际标准分类号】:83_080_01
【页数】:20P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforTear-PropagationResistance(TrouserTear)ofPlasticFilmandThinSheetingbyaSingle-TearMethod
【原文标准名称】:用一次撕裂法测定塑料薄膜与薄板的抗撕裂扩展性的标准试验方法
【标准号】:ASTMD1938-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D20.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:箔;塑料;铁路;撕裂扩展试验;试验
【英文主题词】:plasticfilm;singletear;tear;tear-propagation;thinsheeting;trouser;
【摘要】:Thistestmethodisofvalueinratingthetear-propagationresistanceofvariousplasticfilmsandthinsheetingofcomparablethickness.Forhighlyextensiblefilmorsheetingthedeformationenergyofthespecimenlegsissignificantlygreaterthanthetearingenergy.Thetear-propagationresistanceinslightlyextensibleornon-extensiblefilmorsheetingisdistinguishedfromthetear-propagationresistanceinhighlyextensiblefilmorsheetingbytheload-timeorload-displacementdata,(Fig.1andFig.2).Thetear-propagationforceforslightlyextensibleornon-extensiblematerialisdeterminedfromtheaveragetearforceversustheinitialandpeakforceforahighlyextensiblematerial.Thistestmethodshallbeusedforspecificationacceptancetestingonlyafterithasbeendemonstratedthatthedatafortheparticularmaterialareacceptablyreproducible.Thedataobtainedbythistestmethodfurnishinformationforrankingthetear-propagationresistanceofplasticfilmsandsheetingofsimilarcomposition.Actualuseperformancemaynotnecessarilycorrelatewithdatafromthistestmethod.Setsofdatafromspecimensofdissimilarthicknessareusuallynotcomparable.Beforeproceedingwiththistestmethod,referenceshouldbemadetothespecificationofthematerialbeingtested.Anytestspecimenpreparation,conditioning,dimensions,ortestingparameters,orcombinationthereof,coveredintherelevantASTMmaterialspecificationshalltakeprecedenceoverthosementionedinthistestmethod.IftherearenorelevantASTMmaterialspecifications,thenthedefaultconditionsapply.Table1ofClassificationSystemsD4000liststheASTMmaterialsstandardsthatcurrentlyexist.FIG.1Load-TimeChartforLow-ExtensibleFilmFIG.2Load-TimeChartforHighlyExtensibleFilm1.1Thistestmethodcoversthedeterminationoftheforcenecessarytopropagateatearinplasticfilmandthinsheeting(thicknessof1mm[0.04in.]orless)byasingle-tearmethod.Themethodisnotapplicableforfilmorsheetingmaterialwherebrittlefailuresoccurduringtesting.Note1Filmhasbeenarbitrarilydefinedassheetinghavingnominalthicknessnotgreaterthan0.25mm[0.010in.].1.2Constant-Rate-of-GripSeparationTestThistestmethodemploysaconstantrateofseparationofthegripsholdingthetestspecimen.1.2.1Specimenextensionmaybemeasuredinthistestmethodbygripseparation.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninbracketsareprovidedforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ThisstandardissimilartoISO6383-1,butisnotconsideredtechnicallyequivalent.ThespecimensizeforISO6383-1islarger,andthemethodspecifiesdifferenttestspeeds.
【中国标准分类号】:G33
【国际标准分类号】:83_140_10
【页数】:4P.;A4
【正文语种】:
