ASTM F1514-2003(2008) 用颜色变化测量弹性地板耐热性的标准试验方法

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【英文标准名称】:StandardTestMethodforMeasuringHeatStabilityofResilientFlooringbyColorChange
【原文标准名称】:用颜色变化测量弹性地板耐热性的标准试验方法
【标准号】:ASTMF1514-2003(2008)
【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】:美国材料与试验协会(US-ASTM)
【起草单位】:F06.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acceleratedtest;heatresistance;heatstability;resilientflooring;spectrophotometer;Colorchangeresistance;Heatingtests;Poly(vinylchloride)(PVC);Resilientflooring;Resistance;Vinylflooring/floorcoverings
【摘要】:Resilientfloorcoveringismadebyfusingpolymermaterialsunderheatorpressure,orboth,invariousmanufacturinganddecoratingprocesses.Thepolymermaterialmaybecompoundedwithplasticizers,stabilizers,fillers,andotheringredientsforprocessibilityandproductperformancecharacteristics.Theformulationofthecompoundcanbevariedconsiderablydependingonthedesiredperformancecharacteristicsandmethodsofprocessing.SeePracticeD794foradditionalsignificanceanduseinformation.Heatstability,whichisresistancetodiscolorationfromheat,isabasicrequirementforprocessingandfunctionaluse.Thistestmethodprovidesameansofmeasuringtheamountofcolorchangeinflooringproductswhensubjectedtoelevatedtemperaturesoveraperiodoftime(functionaluseoftheflooringproduct).Thistestmethodisnotintendedtobeameansofpredictingtheamountofcolorchangethatoccursduringprocessing(manufacture).Thistestmethodspecifiesthatasampleissubjectedto158x00B0;Fx00B1;2x00B0;F(70x00B0;Cx00B1;1x00B0;C)for7days,andthecolordifferenceismeasuredbyaspectrophotometerandexpressedasx0394;E*units.Note18212;Itistheintentthatthistestmethodbeusedfortestingheatstabilityperformancepropertiestobereferencedinresilientflooringspecifications.1.1Thistestmethodcoversaprocedurefordeterminingtheresistanceofresilientfloorcoveringtocolorchangefromexposuretoelevatedtemperatureoveraspecifiedperiodoftime.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.
【中国标准分类号】:W56
【国际标准分类号】:97_150
【页数】:3P.;A4
【正文语种】:英语


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【英文标准名称】:Railwayapplications-Fixedinstallations-Harmonisationoftheratedvaluesforconvertergroupsandtestsonconvertergroups
【原文标准名称】:铁路设施.固定式装置.变流器组额定值和变流器组试验的一致性
【标准号】:BSEN50327-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-07-25
【实施或试行日期】:2003-07-25
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:铁路;牵引电网;固定的;电流额定值;电压;供能系统(建筑物);铁道车辆;使用条件;变压器;电压降;试验;电能;规范(验收);尺寸选定;铁路设施;直流电压;定义;短路电流;铁路运输;电力变换器;合格试验
【英文主题词】:
【摘要】:ThisEuropeanStandardprovidesrequirementsforsometypetestswhicharesignificantonlywhenmadeontheentiregroup.Itprovidesalsoabasicrelationshipbetweencompatibleratingsoftractiontransformerandconverter(s),inordertoprovideminimumrequirementsforthechoiceoftheirratings.Moreoveritgivestheminimumvaluestobeconsideredinordertochooseswitchingdeviceswithcharacteristicssuitablefortheconvertergroup(s)involved.Annexesprovideusefulinformationasaguideforthegroupdesigner.Table1indicatesthecomponentsofaconvertergroupandtherelevantapplicablestandards.
【中国标准分类号】:S35
【国际标准分类号】:29_200;29_280
【页数】:38P;A4
【正文语种】:英语


【英文标准名称】:Electricalapparatusforthedetectionandmeasurementofflammablegases-Part1:Generalrequirementsandtestmethods
【原文标准名称】:可燃性气体的检测和测量用电气设备第1部分:一般要求和试验方法
【标准号】:IEC61779-1-1998
【标准状态】:作废
【国别】:国际
【发布日期】:1998-04
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC31L
【标准类型】:()
【标准水平】:()
【中文主题词】:气体燃料;可燃性环境;电驱动装置;测量;气体;试验;试验;试验;试验;电气器具;电气工程;煤气;规范(验收)
【英文主题词】:Electricappliances;Electricalengineering;Electrically-operateddevices;Flammableatmospheres;Fuelgases;Gases;Measurement;Specification(approval);Testing
【摘要】:1ThispartofIEC61779specifiesgeneralrequirementsforconstructionandtestinganddescribesthetestmethodsthatapplytoportable,transportableandfixedapparatusforthedetectionandmeasurementofflammablegasorvapourconcentrationswithair.Theapparatus,orpartsthereof,areintendedforuseinpotentiallyexplosiveatmospheres(see2.1.8)andinminessusceptibletofiredamp.Thisstandardissupplementedbythefollowingstandards,concerningthespecificrequirementsfortheperformanceofthevarioustypesofapparatus:IEC61779-2:PerformancerequirementsforgroupIapparatusindicatinguptoavolumefractionof5%methaneinairIEC61779-3:PerformancerequirementsforgroupIapparatusindicatinguptoavolumefractionof100%methaneinairIEC61779-4:PerformancerequirementsforgroupIIapparatusindicatinguptoavolumefractionof100%lowerexplosivelimitIEC61779-5:PerformancerequirementsforgroupIIapparatusindicatinguptoavolumefractionof100%gasNOTE1-IEC61779-1,inassociationwiththestandardsreferredtoabove,isintendedtoprovideforthesupplyofapparatusgivingalevelofsafetyandperformancesuitableforgeneralpurposeapplications.However,forspecificapplications,aprospectivepurchaser(oranappropriateauthority)mayadditionallyrequiretheapparatustobesubmittedtoparticulartestsorapproval.Forexample,groupIapparatus(i.e.apparatustobeusedinminessusceptibletofiredamp)maynotbepermittedtobeusedwithouttheadditional,priorapprovaloftherelevantauthorityinminesunderitsjurisdiction.Suchparticulartests/approvalaretoberegardedasadditionaltoandseparatefromtheprovisionsofthestandardsreferredtoaboveanddonotprecludecertificationtoorcompliancewiththesestandards.NOTE2-GroupIandgroupIIapparatusindicatinguptoavolumefractionof100%methaneandgroupIIapparatusindicatinguptoavolumefractionof100%gasaresuitableforuseonlywiththespecificgasesforwhichtheyhavebeencalibrated.NOTE3-Forthepurposeofthisstandard,theterms"lowerflammablelimit(LFL)"and"lowerexplosivelimit(LEL)"aredeemedtobesynonymous,andlikewisetheterms"upperflammablelimit(UFL)"and"upperexplosivelimit(UEL)"aredeemedtobesynonymous.Foreaseofreference,thetwoabbreviationsLFLandUFLmaybeusedhereinaftertodenotethesetwosetsofterms.Itshouldberecognizedthatparticularauthoritieshavingjurisdictionmayhaveoverridingrequirementsthatdictatetheuseofoneofthesesetsoftermsandnottheother.2Thisstandardisapplicablewhenanapparatusmanufacturermakesanyclaimsregardinganyspecialfeaturesofconstructionorsuperiorperformancethatexceedtheseminimumrequirements.Allsuchclaimsshallbeverifiedandthetestproceduresshallbeextendedorsupplemented,wherenecessary,toverifytheclaimedperformance.Theadditionaltestsshallbeagreedbetweenthemanufacturerandtestlaboratory.3Thisstandardisapplicabletoflammablegasdetectionapparatusintendedtoprovideanindication,alarmorotheroutputfunction,thepurposeofwhichistogiveawarningofapotentialexplosionhazardand,insomecases,toinitiateautomaticormanualprotectiveaction(s).4Thisstandardisapplicabletoapparatus,includingtheintegralsamplingsystemsofaspiratedapparatus,intendedtobeusedforcommercialandindustrialsafetyapplications.5Thisstandarddoesnotapplytoexternalsamplingsystems,ortoapparatusoflaboratoryorscientifictype,ortoapparatususedonlyforprocesscontrolpurposes.
【中国标准分类号】:N56
【国际标准分类号】:13_320
【页数】:55P;A4
【正文语种】:英语