【英文标准名称】:Accuracy(truenessandprecision)ofmeasurementmethodsandresults-Part1:Generalprinciplesanddefinitions
【原文标准名称】:测试方法与结果的准确度(正确度与精密度)第1部分:基本原理与定义
【标准号】:ISO5725-1-1994
【标准状态】:现行
【国别】:国际
【发布日期】:1994-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC69
【标准类型】:()
【标准水平】:()
【中文主题词】:质量保证;统计方法分析;精密度;实验室间试验;测量结果;再现性;准确度;总论;统计学;测量技术;定义;试验;质量管理
【英文主题词】:Accuracy;Definitions;Generalsection;Inter-laboratorytests;Measuringresults;Measuringtechniques;Precision;Qualityassurance;Qualitymanagement;Reproducibility;Statisticalmethodsofanalysis;Statistics;Testing
【摘要】:Thepurposeistooutlinethegeneralprinciplestobeunderstoodwhenassessingaccuracy(truenessandprecision)ofmeasurementmethodsandresults,andinapplications,andtoestablishpracticalestimationsofthevariousmeasuresbyexperiment.Isconcernedexclusivelywithmeasurementmethodswhichyieldmeasurementsonacontinuousscaleandgiveasinglevalueasthetestresult.Maybeappliedtoaverywiderangeofmaterials,includingliquids,powdersandsolidobjects,manufacturedornaturallyoccurring,providedthatdueconsiderationisgiventoanyheterogeneityofthematerial.
【中国标准分类号】:A50
【国际标准分类号】:01_040_17;17_020
【页数】:17P;A4
【正文语种】:英语


【英文标准名称】:GuideforFireHazardAssessmentofRailTransportationVehicles
【原文标准名称】:铁路运输车辆着火危险评定指南
【标准号】:ANSI/ASTME2061-2006
【标准状态】:作废
【国别】:美国
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:维修;铁路工程
【英文主题词】:Firehazards;Firesafety;Maintenance;Railwayengineering
【摘要】:Thisisaguidetodevelopingfirehazardassessmentsforrailtransportationvehicles.Ithasbeenwrittentoassistprofessionals,includingfiresafetyengineers,whowishtoassessthefiresafetyofrailtransportationvehicles,duringoraftertheirdesign(seealso).Thisguideisnotinitselfafirehazardassessmentnordoesitprovideacceptancecriteria;thus,itcannotbeusedforregulation.Hazardassessmentisaprocessthatresultsinanestimateofthepotentialseverityofthefiresthatcandevelopunderdefinedscenarios,oncedefinedincidentshaveoccurred.Hazardassessmentdoesnotaddressthelikelihoodofafireoccurring.Hazardassessmentisbasedonthepremisethatanignitionhasoccurred,consistentwithaspecifiedscenario,andthatpotentialoutcomesofthescenariocanbereliablyestimated.Consistentwith,thisguideprovidesmethodstoevaluatewhetherparticularrailpassengerdesignsprovideanequalorgreaterleveloffiresafetywhencomparedtodesignsdevelopedbasedonthetraditionalapplicablefire-test-responsecharacteristicapproachescurrentlywidelyusedinthisindustry.Suchapproacheshavetypicallybeenbasedonprescriptivetestmethodologies.Thefollowingareexamplesofsuchlistsofprescriptivetests:therequirementsbytheFederalRailroadAdministration(FRA),theformerguidelinesoftheFRA,therequirementsofNFPA130,andtherecommendedpracticesoftheFederalTransitAdministration(FTA).Selectiveuseofpartsofthemethodologyinthisguideandofindividualfire-test-responsecharacteristicsfrom(oranyothersetoftests)doesnotsatisfythefiresafetyobjectivesofthisguideorofthetable.Thisguideshallbeusedinitsentiretytodevelopafirehazardassessmentforrailtransportationvehiclesortoaidinthedesignofsuchvehicles.Thisguideincludesandappliesacceptedandclearlydefinedfiresafetyengineeringtechniquesandmethodsconsistentwithbothexisting,traditionalprescriptivecodesandstandardsandperformancebasedfirecodesandstandardsunderdevelopmentthroughouttheworld.Thisguideprovidesrecommendedmethodstomitigatepotentialdamagefromfiresinrailtransportationvehicles,byassessingthecomparativefirehazardofparticularproducts,assemblies,systemsoroveralldesignsintendedforuseinrailtransportationvehicles.Suchmethodscouldincludechangestothematerials,components,products,assemblies,orsystemsinvolvedintheconstructionoftherailtransportationvehicleorchangesinthedesignfeaturesofthevehicle,includingthenumberandlocationofautomaticallyactivatedfiresafetydevicespresent(seeforfurtherdetails).Thisguideisintended,amongotherthings,tobeofassistancetopersonneladdressingissuesassociatedwiththefollowingareas.Designandspecificationofrailtransportationvehicles.Fabricationofrailtransportationvehicles.Supplyofassemblies,subassemblies,andcomponentmaterials,foruseinrailtransportationvehicles.Operationofrailtransportationvehicles.Provisionofasafeenvironmentforalloccupantsofarailtransportationvehicle.Thetechniquesprovidedinthisguidearebasedonspecificassumptionsintermsofrailtransportationvehicledesigns,constructionandfirescenarios.Thesetechniquescanbeusedtoprovideaquantitativemeasureofthefirehazardsfromaspecifiedsetoffireconditions,involvingspecificmaterials,products,orassemblies.Suchanassessmentcannotbereliedupontopredictthehazardofactualfires,whichinvolveconditions,orvehicledesigns,otherthanthoseassumedintheanalysis.Inparticular,thefirehazardmaybeaffectedbytheanticipatedusepatternofthevehicle.Thisguidecanbeusedtoanalyzetheestimatedfireperformanceofthevehiclespecifiedunderdefinedspecificfirescenarios.
【中国标准分类号】:C80;S09
【国际标准分类号】:45_120
【页数】:
【正文语种】:英语