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BS ISO 12046-2012 同步带传动.汽车用带.物理性能测定

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【英文标准名称】:Synchronousbeltdrives.Automotivebelts.Determinationofphysicalproperties
【原文标准名称】:同步带传动.汽车用带.物理性能测定
【标准号】:BSISO12046-2012
【标准状态】:现行
【国别】:英国
【发布日期】:2012-03-31
【实施或试行日期】:2012-03-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:机动车工程;皮带;齿轮箱;内燃机;物理性能;特性;同步皮带传动;试验;试验条件
【英文主题词】:Automotiveengineering;Belts;Gearboxes;Internalcombustionengines;Physicalproperties;Properties;Synchronousbeltdrive;Testing;Testingconditions
【摘要】:
【中国标准分类号】:
【国际标准分类号】:21_220_10;43_060_10
【页数】:20P;A4
【正文语种】:英语


【英文标准名称】:WireofCopperandWroughtCopperAlloys;TechnicalConditionsofDelivery
【原文标准名称】:锻铜和铜合金线材.交货技术条件
【标准号】:DIN17677-2-1974
【标准状态】:作废
【国别】:德国
【发布日期】:1974-06
【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】:组分;材料;作标记;金属线;尺寸;规范(审批);铜;精整
【英文主题词】:specification(approval);marking;wires;dimensions;copper;materials;finishes;composition
【摘要】:
【中国标准分类号】:H62
【国际标准分类号】:77_120_30
【页数】:2P;A4
【正文语种】:德语


【英文标准名称】:StandardPracticesforEvaluatingtheAgeResistanceofPolymericMaterialsUsedinOxygenService
【原文标准名称】:供氧设备用评估聚合物材料耐老化性的标准实施规程
【标准号】:ASTMG114-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:G04.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:老化;防火安全;易燃性;材料;氧
【英文主题词】:aging;acceleratedaging;combustion;enrichedair;flammability;ignition;lifetimeprediction;naturalaging;oxidativedegradation;oxygen;oxygencompatibility
【摘要】:1.1Thesepracticesdescribeseveralproceduresthatareusedtodeterminetheageresistanceofplastic,thermosetting,andelastomericmaterialsexposedtooxygen-containingmedia.1.2Whilethispracticefocusesonevaluatingtheageresistanceofpolymericmaterialsinoxygen-containingmediapriortoignitionandcombustiontesting,italsohasrelevanceforevaluatingtheageresistanceofmetals.1.3Thesepracticesaddressbothestablishedproceduresthathaveafoundationofexperienceandnewproceduresthathaveyettobevalidated.Thelatterareincludedtopromoteresearchandlaterelaborationinthispracticeasmethodsoftheformertype.1.4Theresultsofthesepracticesmaynotgiveexactcorrelationwithserviceperformancesinceserviceconditionsvarywidelyandmayinvolvemultiplefactors.1.5Threeproceduresaredescribedforevaluatingtheageresistanceofpolymericmaterialsdependingonapplicationandinformationsought.1.5.1ProcedureA:NaturalAgingThisprocedureisusedtosimulatetheeffect(s)ofoneormoreservicestressorsonamaterialsoxygenresistance,andissuitableforevaluatingmaterialsthatexperiencecontinuousorintermittentexposuretoelevatedtemperatureduringservice.1.5.2ProcedureB:AcceleratedAgingComparativeOxygenResistanceThisprocedureissuitableforevaluatingmaterialsthatareusedinambienttemperatureservice,oratatemperaturethatisotherwiselowerthantheagingtemperature,andisusefulfordevelopingoxygencompatibilityrankingsonalaboratorycomparisonbasis.1.5.3ProcedureC:AcceleratedAgingLifetimePredictionThisprocedureisusedtodeterminetherelationshipbetweenagingtemperatureandafixedlevelofpropertychange,therebyallowingpredictionstobemadeabouttheeffectofprolongedserviceonoxidativedegradation.1.6ThevaluesstatedinSIunitsaretoberegardedasthestandard,however,allnumericalvaluesmustalsobecitedinthesystemsinwhichtheywereactuallymeasured.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection10.
【中国标准分类号】:C80
【国际标准分类号】:13_220_40;71_100_20
【页数】:11P.;A4
【正文语种】: