ASTM E2077-2000(2005) 质谱数据的分析数据互换协议标准规范
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【英文标准名称】:StandardSpecificationforAnalyticalDataInterchangeProtocolforMassSpectrometricData
【原文标准名称】:质谱数据的分析数据互换协议标准规范
【标准号】:ASTME2077-2000(2005)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:E13.15
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:analyticalinformationcategories;chromatographic;datainterchangeprotocol;detectionmethod;informationclass;ISO;massspectrometer;massspectrometric;NetCDF;peak-processing-results;rawdata;sampledescription
【摘要】:1.1Thisspecificationcoversastandardizedformatformassspectrometricdatarepresentationandasoftwarevehicletoeffectthetransferofmassspectrometricdatabetweeninstrumentdatasystems.Thisspecificationprovidesaprotocoldesignedto
【中国标准分类号】:A42
【国际标准分类号】:35_240_99
【页数】:13P.;A4
【正文语种】:
【英文标准名称】:QualitativelyEvaluatingtheComfort,Fit,FunctionandIntegrityofChemical-ProtectiveSuitEnsembles
【原文标准名称】:化学防护服装舒适,配套,功能和完善的质量评定
【标准号】:ASTMF1154-1988
【标准状态】:作废
【国别】:美国
【发布日期】:1988
【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】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:包装;工艺;评定;质量;包装件;配合;防护服;耐化学腐蚀材料;舒适
【英文主题词】:comfort;fits;packages;packaging;quality;evaluations;processes;protectivesuits;chemical-resistantmaterials
【摘要】:
【中国标准分类号】:C73
【国际标准分类号】:13_340_10
【页数】:5P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforExaminationofSeamless,Gas-Filled,PressureVesselsUsingAcousticEmission
【原文标准名称】:用声音排放法检验无缝、充气的压力容器的标准试验方法
【标准号】:ASTME1419-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E07.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acousticemission;flawsinsteelvessels;gaspressurevessels;seamlessgascylinders;seamlesssteelcylinders;seamlessvessels;Acousticemission(AE)testing--metals/metallicmaterials;Flawdetection;Gascylinders;Gaspressuresystems/applicat
【摘要】:Becauseofsafetyconsiderations,regulatoryagencies(forexample,U.S.DepartmentofTransportation)requireperiodicexaminationsofvesselsusedintransportationofindustrialgases(seeSection49,CodeofFederalRegulations).TheAEexaminationhasbecomeacceptedasanalternativetothecommonhydrostaticprooftest.Inthecommonhydrostatictest,volumetricexpansionofvesselsismeasured.AnAEexaminationshouldnotbeusedforaperiodofoneyearafteracommonhydrostatictest.SeeNote2.Note28212;TheKaisereffectrelatestodecreasedemissionthatisexpectedduringasecondpressurization.Commonhydrostatictestsusearelativelyhighpressure(167%ofnormalservicepressure).(SeeSection49,CodeofFederalRegulations.)IfanAEexaminationisperformedtoosoonaftersuchapressurization,theAEresultswillbeinsensitivetoalowerexaminationpressure(thatis,thelowerpressurethatisassociatedwithanAEexamination).Pressurization:Generalpracticeinthegasindustryistouselowpressurizationrates.Thispracticepromotessafetyandreducesequipmentinvestment.TheAEexaminationsshouldbeperformedwithpressurizationratesthatallowvesseldeformationtobeinequilibriumwiththeappliedload.Typicalcurrentpracticeistouseratesthatapproximate500psi/h(3.45MPa/h).Gascompressorsheatthepressurizingmedium.Afterpressurization,vesselpressuremaydecayasgastemperatureequilibrateswithambientconditions.Emissionfromflawsiscausedbyflawgrowthandsecondarysources(forexample,cracksurfacecontactandcontainedmillscale).Secondarysourcescanproduceemissionthroughoutvesselpressurization.Whenpressurewithinavesselislow,andgasisthepressurizingmedium,flowvelocitiesarerelativelyhigh.Flowinggas(turbulence)andimpactbyentrainedparticlescanproducemeasurableemission.Consideringthis,acquisitionofAEdatamaycommenceatsomepressuregreaterthanstartingpressure(forexample,1/3ofmaximumexaminationpressure).MaximumTestPressure8212;Seriousflawsusuallyproducemoreacousticemission(thatis,moreevents,eventswithhigherpeakamplitude)fromsecondarysourcesthanfromflawgrowth.Whenvesselsarepressurized,flawsproduceemissionatpressureslessthannormalfillpressure.Amaximumexaminationpressurethatis10%greaterthannormalfillpressureallowsmeasurementofemissionfromsecondarysourcesinflawsandfromflawgrowth.PressurizationSchedule8212;Pressurizationshouldproceedatratesthatdonotproducenoisefromthepressurizingmediumandthatallowvesseldeformationtobeinequilibriumwithappliedload.Pressureholdsarenotnecessary;however,theymaybeusefulforreasonsotherthanmeasurementofAE.ExcessbackgroundnoisemaydistortAEdataorrenderthemuseless.Usersmustbeawareofthefollowingcommonsourcesofbackgroundnoise:highgas-fillrate(measurableflownoise);mechanicalcontactwiththevesselbyobjects;electromagneticinterference(EMI)andradiofrequencyinterference(RFI)fromnearbybroadcastingfacilitiesandfromothersources;leaksatpipeorhoseconnections;andairbornesandparticles,insects,orraindrops.Thispracticeshouldnotbeusedifbackgroundnoisecannotbeeliminatedorcontrolled.1.1Thispracticeprovidesguidelinesforacousticemission(AE)examinationsofseamlesspressurevessels(tubes)ofthetypeusedfordistributionorstorageofindustrialgases.1.2Thispracticerequirespressurizationtoalevelgreaterthanno......
【中国标准分类号】:A82
【国际标准分类号】:23_020_30
【页数】:7P.;A4
【正文语种】:英语
