DIN EN 2339-2003 航空航天系列.厚度0.2mma6mm的冷轧钛和钛合金薄板材.尺寸

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【英文标准名称】:StandardPracticeforCalculationofHazardPotentialFigures-of-MeritforThermallyUnstableMaterials
【原文标准名称】:热不稳定材料危害潜在灵敏值计算的标准实施规程
【标准号】:ASTME1231-2001(2006)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:(Practice)
【标准水平】:()
【中文主题词】:材料;数量估计;统计学
【英文主题词】:adiabaticdecompositiontemperaturerise;adiabatictemperaturerise;criticaldimension;criticaltemperature;differentialscanningcalorimetry;explosionpotential;hazardpotential;instabilityrating;instantaneouspowerdensity;shocksensitivity;thermalanalysis;thermalhazard;thermalhazardpotential;thermalrunway
【摘要】:Thispracticeprovideseightfigures-of-meritwhichmaybeusedtoestimatetherelativethermalhazardpotentialofthermallyunstablematerials.Sincenumerousassumptionsmustbemadeinordertoobtainthesefigures-of-merit,caremustbeexercisedtoavoidtoorigorousinterpretation(orevenmisapplication)oftheresults.Thispracticemaybeusedforcomparativepurposes,specificationacceptance,andresearch.Itshouldnotbeusedtopredictactualperformance.1.1Thispracticecoversthecalculationofhazardpotentialfigures-of-meritforexothermicreactions,including:Time-to-thermal-runaway,Criticalhalfthickness,Criticaltemperature,AdiabaticdecompositiontemperatureriseExplosionpotential,Shocksensitivity,Instantaneouspowerdensity,andNFPAinstabilityrating.1.2Thekineticparametersneededinthiscalculationmaybeobtainedfromdifferentialscanningcalorimetry(DSC)curvesbymethodsdescribedinotherdocuments.1.3Thistechniqueisthebestapplicabletosimple,singlereactionswhosebehaviorcanbedescribedbytheArrheniusequationandthegeneralratelaw.Forreactionswhichdonotmeettheseconditions,thistechniquemay,withcaution,serveasanapproximation.1.4Thecalculationsandresultsofthispracticemightbeusedtoestimatetherelativedegreeofhazardforexperimentalandresearchquantitiesofthermallyunstablematerialsforwhichlittleexperienceandfewdataareavailable.Comparablecalculationsandresultsperformedwithdatadevelopedforwellcharacterizedmaterialsinidenticalequipment,environment,andgeometryarekeytotheabilitytoestimaterelativehazard.1.5Thefigures-of-meritcalculatedasdescribedinthispracticeareintendedtobeusedonlyasaguidefortheestimationoftherelativethermalhazardpotentialofasystem(materials,container,andsurroundings).Theyarenotintendedtopredictactualthermokineticperformance.Thecalculatederrorsfortheseparametersareanintimatepartofthispracticeandmustbeprovidedtostressthis.Itisstronglyrecommendedthatthoseusingthedataprovidedbythispracticeseektheconsultationofqualifiedpersonnelforproperinterpretation.1.6TheSIunitsarestandard.1.7ThereisnoISOstandardequivalenttothispractice.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C65
【国际标准分类号】:13_230
【页数】:7P.;A4
【正文语种】:


【英文标准名称】:Resilientfloorcoverings-Polyvinylchloridefloorcoveringswithfoamlayer-Specification(includesamendmentA1:2003);GermanversionEN651:1996+A1:2003
【原文标准名称】:弹性地板覆盖物.带泡沫层的聚氯乙烯地板覆盖物.规范
【标准号】:EN651-2003
【标准状态】:现行
【国别】:
【发布日期】:2004-01
【实施或试行日期】:2004-01-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:低层;辊子;规范;弹性的;交货形式;性能要求;地板覆盖物;磨损层;PVC涂层;磨损;塑料;泡沫橡胶;板;特性;柔性;规范(验收);作标记;分类;弹性织物;定义;聚氯乙烯
【英文主题词】:Classification;Definition;Definitions;Elastic;Elasticfabrics;Flexible;Floorcoverings;Foamedrubber;Formofdelivery;Lowerlayers;Marking;Performancerequirements;Plastics;Plates;Polyvinylchloride;Properties;PVCcoverings;Rolls;Specification;Specification(approval);Wear;Wearlayers
【摘要】:
【中国标准分类号】:Q17
【国际标准分类号】:91_180
【页数】:12P.;A4
【正文语种】:英语