BS ISO 11844-1-2006 金属与合金的腐蚀.室内空气低腐蚀性分类.室内腐蚀性的测定和评估

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【英文标准名称】:StandardPracticeforDealingWithOutlyingObservations
【原文标准名称】:进行远距离观测的标准实时规程
【标准号】:ASTME178-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:E11.10
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:阅读;试验
【英文主题词】:outliers;dealingwithoutlyingobservations;sampling;outlyingobservations;statisticalmethods;outlyingobservation;
【摘要】:1.1Thispracticecoversoutlyingobservationsinsamplesandhowtotestthestatisticalsignificanceofthem.Anoutlyingobservation,or"outlier,"isonethatappearstodeviatemarkedlyfromothermembersofthesampleinwhichitoccurs.Inthisconnection,thefollowingtwoalternativesareofinterest:1.1.1Anoutlyingobservationmaybemerelyanextrememanifestationoftherandomvariabilityinherentinthedata.Ifthisistrue,thevalueshouldberetainedandprocessedinthesamemannerastheotherobservationsinthesample.1.1.2Ontheotherhand,anoutlyingobservationmaybetheresultofgrossdeviationfromprescribedexperimentalprocedureoranerrorincalculatingorrecordingthenumericalvalue.Insuchcases,itmaybedesirabletoinstituteaninvestigationtoascertainthereasonfortheaberrantvalue.Theobservationmayevenactuallyberejectedasaresultoftheinvestigation,thoughnotnecessarilyso.Atanyrate,insubsequentdataanalysistheoutlieroroutlierswillberecognizedasprobablybeingfromadifferentpopulationthanthatoftheothersamplevalues.1.2Itisourpurposeheretoprovidestatisticalrulesthatwillleadtheexperimenteralmostunerringlytolookforcausesofoutlierswhentheyreallyexist,andhencetodecidewhetheralternative1.1.1above,isnotthemoreplausiblehypothesistoaccept,ascomparedtoalternative1.1.2,inorderthatthemostappropriateactioninfurtherdataanalysismaybetaken.Theprocedurescoveredhereinapplyprimarilytothesimplestkindofexperimentaldata,thatis,replicatemeasurementsofsomepropertyofagivenmaterial,orobservationsinasupposedlysinglerandomsample.Nevertheless,thetestssuggesteddocoverawideenoughrangeofcasesinpracticetohavebroadutility.
【中国标准分类号】:A41
【国际标准分类号】:03_120_30
【页数】:18P.;A4
【正文语种】:


【英文标准名称】:Double-cappedfluorescentlamps-Performancespecifications;Amendment2
【原文标准名称】:双端荧光灯.性能规范.修改件2
【标准号】:IEC60081AMD2-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-03
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC34A
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;电气工程;试验条件;规范(验收);作标记;尺寸;镇流器;照明设备;特性;使用条件;荧光灯;定义;交流电压;管形灯;操作;验收规范;工作特性;管状;参数;性能规范;照明系统;检验;起辉器(灯);灯;灯头;照明工程;双向;电性质和电现象
【英文主题词】:Acceptancespecification;Alternatingvoltages;Ballasts;Bases;Colour;Currents;Definitions;Design;Dimensions;Doubledirection;Electrical;Electricalengineering;Electricalproperties;Electricalpropertiesandphenomena;Electricalsafety;Electrodes;Fluorescentlamps;Highfrequencies;Ignitionaid;Ignitionmethod;Illuminationengineering;Inspection;Lampcaps;Lamps;Light;Lightingplants;Lightingsystems;Marking;Operatingconditions;Operation;Parameters;Performancecharacteristics;Performancespecification;Plinths;Powerfrequency;Preheating;Procedures;Properties;Specification(approval);Starters;Starters(lamps);Technicaldatasheets;Technology;Testing;Testingconditions;Tubularfluorescentlamps;Tubularlamps;Tubularshape
【摘要】:ThisInternationalStandardspecifiestheperformancerequirementsfordouble-cappedfluorescentlampsforgenerallightingservice.Therequirementsofthisstandardrelateonlytotypetesting.Conditionsofcompliance,includingmethodsofstatisticalassessment,areunderconsideration.Thefollowinglamptypesandmodesofoperationareincluded:a)lampshavingpreheatedcathodes,designedforoperationona.c.mainsfrequencieswiththeuseofastarter,andadditionallyoperatingonhighfrequency;b)lampshavingpreheatedhigh-resistancecathodes,designedforoperationona.c.mainsfrequencieswithouttheuseofastarter(starterless),andadditionallyoperatingonhighfrequency;c)lampshavingpreheatedlow-resistancecathodes,designedforoperationona.c.mainsfrequencieswithouttheuseofastarter(starterless),andadditionallyoperatingonhighfrequency;d)lampshavingpreheatedcathodes,designedforoperationonhighfrequency;e)lampshavingnon-preheatedcathodes,designedforoperationona.c.mainsfrequencies;f)lampshavingnon-preheatedcathodes,designedforoperationonhighfrequency.Forsomeoftherequirementsgiveninthisstandard,referenceismadeto"therelevantlampdatasheet".Forsomelampsthesedatasheetsarecontainedinthisstandard.Forotherlamps,fallingunderthescopeofthisstandard,therelevantdataaresuppliedbythelampmanufacturerorresponsiblevendor.
【中国标准分类号】:K71
【国际标准分类号】:29_140_30
【页数】:104P.;A4
【正文语种】:英语