UL SUBJECT 1004B BULLETINS-2001 测量地板和地板覆盖材料表面火焰传播特性测试方法的调查大纲.发布编号:3;公布日期:1999年11月23日(1页)
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【英文标准名称】:OutlineofInvestigationforTestMethodforMeasuringtheSurfaceFlamePropagationCharacteristicsofFlooringandFloor-CoveringMaterialsIssueNumber:3;BulletinDated11/23/1999(1p)
【原文标准名称】:测量地板和地板覆盖材料表面火焰传播特性测试方法的调查大纲.发布编号:3;公布日期:1999年11月23日(1页)
【标准号】:ULSUBJECT1004BBULLETINS-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:OutlineofInvestigationforTestMethodforMeasuringtheSurfaceFlamePropagationCharacteristicsofFlooringandFloor-CoveringMaterialsIssueNumber:3;BulletinDated11/23/1999(1p)
【中国标准分类号】:C82
【国际标准分类号】:
【页数】:4
【正文语种】:英语
【英文标准名称】:Acoustics-Determinationofsoundpowerlevelsandsoundenergylevelsofnoisesourcesusingsoundpressure-Precisionmethodsforreverberationtestrooms.
【原文标准名称】:声学.使用声压进行噪声源的声音功率级测定.混响室精确法
【标准号】:NFS31-022-2012
【标准状态】:现行
【国别】:法国
【发布日期】:2012-02-01
【实施或试行日期】:2012-02-04
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Absorption;Acousticmeasurement;Acoustictesting;Acoustics;Airbornenoiseemitted;Audiosystems;Calibration;Concentration;Definitions;Determination;Earprotectors;Environment;Ergonomics;Filters;Frequencies;Handling;Hearingabilitytests;Humidity;Indications;Information;Loudnesslevels;Loudspeakers;Lowfrequencies;Machines;Mathematicalcalculations;Measurement;Measuringenvironment;Measuringinstruments;Measuringrooms;Measuringtechniques;Measuringuncertainty;Microphones;Noise;Noise(environmental);Noisemeasurements;Noisesources;Observation;Operatingconditions;Position;Powerlevels;Precision;Reverberation;Reverberationroommethod;Reverberationrooms;Rooms;Safetyofmachinery;Sound;Soundabsorption;Soundintensity;Soundlevel;Soundlevels;Soundpower;Soundpressure;Soundsources;Specification(approval);Standarddeviation;Surfaces;Temperature;Testing;Volume(sound)
【摘要】:
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01
【页数】:73P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforConductingDrop-WeightTesttoDetermineNil-DuctilityTransitionTemperatureofFerriticSteels
【原文标准名称】:开展落锤试验以测定铁素体钢无塑性转变温度的标准试验方法
【标准号】:ASTME208-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E28.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:跌落试验;延展性;铁素体;铁素体钢;机械试验;金属;钢;温度;试验;热试验
【英文主题词】:
【摘要】:Thefracture-strengthtransitionsofferriticsteelsusedinthenotchedconditionaremarkedlyaffectedbytemperature.Foragivenx201C;lowx201D;temperature,thesizeandacuityoftheflaw(notch)determinesthestresslevelrequiredforinitiationofbrittlefracture.Thesignificanceofthistestmethodisrelatedtoestablishingthattemperature,definedhereinastheNDTtemperature,atwhichthex201C;smallflawx201D;initiationcurve,Fig.1,fallstonominalyieldstrengthstresslevelswithdecreasingtemperature,thatis,thepointmarkedNDTinFig.1.Interpretationstootherconditionsrequiredforfractureinitiationmaybemadebytheuseofthegeneralizedflaw-size,stress-temperaturediagramshowninFig.1.Thediagramwasderivedfromawidevarietyoftests,bothfracture-initiationandfracture-arresttests,ascorrelatedwiththeNDTtemperatureestablishedbythedrop-weighttest.ValidationoftheNDTconcepthasbeendocumentedbycorrelationswithnumerousservicefailuresencounteredinship,pressurevessel,machinerycomponent,forged,andcaststeelapplications.FIG.1GeneralizedFractureAnalysisDiagramIndicatingtheApproximateRangeofFlawSizesRequiredforFractureInitiationatVariousLevelsofNominalStress,asReferencedbytheNDTTemperature4,51.1Thistestmethodcoversthedeterminationofthenil-ductilitytransition(NDT)temperatureofferriticsteels,5/8in.(15.9mm)andthicker.1.2Thistestmethodmaybeusedwhenevertheinquiry,contract,order,orspecificationstatesthatthesteelsaresubjecttofracturetoughnessrequirementsasdeterminedbythedrop-weighttest.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:14P.;A4
【正文语种】:
