NF C32-102-7/A1-1999 额定电压450/750V及以下的橡胶绝缘电缆.第7部分:导线温度110℃的内部配线用可耐增热的电缆

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【英文标准名称】:PowerPresses:GeneralPurpose,Single-Action,StraightSideType
【原文标准名称】:强压机:通用单动直边型压力机
【标准号】:ASMEB5.61-2003
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:单;直的;压力机;旁边;功率
【英文主题词】:Power;Presses;Side;Single;Straight
【摘要】:ThisStandardappliestohydraulicandmechanicalpowerpressescommonlyreferredtobythemetalworkingindustryasGeneralPurpose,SingleAction,StraightSideTypePowerPressesthat,bymeansofdiesortoolingattachedtotheslideandbolster,areusedtoshear,punch,form,orassemblemetalorothermaterials.ThefollowingtypesofpressesareexcludedfromthisStandard:air(pneumatic);bench;eyeletmachines;forging;fourslidemachines;gapframe;knucklejoint;multipleaction;multipleslide;spotting;transferfeed;andturretpunching.
【中国标准分类号】:J62
【国际标准分类号】:25_120_10
【页数】:40P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforReactionInductionTimebyThermalAnalysis
【原文标准名称】:用热分析法测定感应反应时间的标准方法
【标准号】:ASTME2046-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E27.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:differentialscanningcalorimetry(DSC);differentialthermalanalysis(DTA);hazardpotential;reactioninductiontime(RIT);reactions,thermal;thermalanalysis(TA);thermalstability;Differentialscanningcalorimetry(DSC);Differentialthermalanal
【摘要】:Thistestmethodmeasuresthetimetoextrapolatedonsetofanexothermicreactionunderconstanttemperature(isothermal)conditionsforreactionswhichhaveaninductionperiod,forexample,thosewhicharecatalyticorautocatalyticinnatureorwhichcontainreactioninhibitors.TheRITdeterminedbythistestmethodisanindexmeasurementthatisusefulforcomparingonematerialtoanotheratthetesttemperatureofinterestandinthesameapparatustypeonly.Thistestmethodisausefuladjuncttodynamicthermaltests,suchasTestMethodE537,whichareperformedunderconditionsinwhichthesampletemperatureisincreasedcontinuouslyatconstantrate.Resultsobtainedunderdynamictestconditionsmayresultinhigherestimatesoftemperatureatwhichanexothermicreactioninitiatesbecausethedetectedonsettemperatureisdependentupontheheatingrateandbecausedynamicmethodsallowinsufficienttimeforautocatalyticreactionstomeasurablyaffecttheonsettemperature.RITvaluesdeterminedunderaseriesofisothermaltestconditionsmaybeplottedastheirlogarithmversusthereciprocaloftheabsolutetemperaturetoproduceaplot,theslopeofwhichisproportionaltotheactivationenergyofthereactionasdescribedinTestMethodE2070.Thistestmethodmaybeusedinresearchanddevelopment,manufacturing,processandqualitycontrol,andregulatorycompliance.ThistestmethodissimilartothatforOxidationInductionTime(OIT)(forexample,SpecificationD3350andTestMethodsD3895,D4565,D5483,D6186,andE1858)wherethetimetotheoxidationreactionunderisothermaltestconditionsismeasured.TheOITtestmethodmeasuresthepresenceofantioxidantpackagesandisarelativemeasurementofamaterial''sresistancetooxidation.1.1ThistestmethoddescribesthemeasurementofReactionInductionTime(RIT)ofchemicalmaterialsthatundergoexothermicreactionswithaninductionperiod.Thetechniquesandapparatusdescribedmaybeusedforsolids,liquids,orslurriesofchemicalsubstances.Thetemperaturerangecoveredbythistestmethodistypicallyfromambientto400x00B0;C.Thisrangemaybeextendeddependingupontheapparatusused.1.2TheRITisarelativeindexvalue,notanabsolutethermodynamicproperty.Asanindexvalue,theRITvaluemaychangedependinguponexperimentalconditions.AcomparisonofRITvaluesmaybemadeonlyformaterialstestedundersimilarconditionsofapparatus,specimensize,andsoforth.Furthermore,theRITvaluemaynotpredictbehavioroflargequantitiesofmaterial.1.3TheRITshallnotbeusedbyitselftoestablishasafeoperatingtemperature.Itmaybeusedinconjunctionwithothertestmethods(forexample,E487,E537,andE1981)aspartofahazardanalysisofaparticularoperation.1.4ThistestmethodmaybeusedforRITvaluesgreaterthan15min(asrelativeimprecisionincreasesatshorterperiods).1.5Thistestmethodisusedtostudycatalyticandautocatalyticreactions.Thesereactionsdependupontimeaswellastemperature.Suchreactionsareoftenstudiedbyfixingoneexperimentalparameter(thatis,timeortemperature)andthenmeasuringtheotherparameter(thatis,temperatureortime).Thistestmethodmeasurestimetoreactiononsetdetectionunderisothermalconditions.ItisrelatedtoTestMethodE487thatmeasuresdetectedreactiononsettemperatureunderconstanttimeconditions1.6ThevaluesstatedinSIunitsaretoberegardeda......
【中国标准分类号】:A42
【国际标准分类号】:17_200_20
【页数】:5P.;A4
【正文语种】:英语