BS 6655-1986 听力保护用纯音色空气传导阈值听力测定规范
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【英文标准名称】:Specificationforpuretoneairconductionthresholdaudiometryforhearingconservationpurposes
【原文标准名称】:听力保护用纯音色空气传导阈值听力测定规范
【标准号】:BS6655-1986
【标准状态】:作废
【国别】:英国
【发布日期】:1986-01-31
【实施或试行日期】:1986-01-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:职业医学;试验条件;再现性;校正;定义;声学测量;听觉阈;听力测定;听力缺陷;听觉;文献索引;噪致听力损伤;声强
【英文主题词】:Acousticengineering;Acousticequipment;Acousticmeasurement;Acoustictesting;Acoustics;Acoustoelectricdevices;Airconductionhearingaids;Audiobility;Audiometers;Audiometry;Auditorythreshold;Calibration;Closedtestrooms;Definition;Definitions;Earprotectors;Hearingabilitytests;Hearingtests;Inspection;Listeningtests;Measurement;Measurementofthresholdofaudibility;Measurementsofthresholdofaudibility;Medicalinspection;Occupationalmedicine;Precautions;Pure-toneaudiometers;Specification(approval);Testing;Testingconditions
【摘要】:Proceduresandrequirementsforaudiometry,withoutmasking,usingeitheranautomaticrecordingfixedfrequencyaudiometeroramanualone.Bracketingandascendingproceduresaregivenforthelatter.
【中国标准分类号】:C32;N65
【国际标准分类号】:13_140
【页数】:16P;A4
【正文语种】:英语
【英文标准名称】:Precastconcreteproducts-Floorplatesforfloorsystems;GermanversionEN13747:2005+A1:2008
【原文标准名称】:预制混凝土产品地板系统用地板
【标准号】:DINEN13747-2009
【标准状态】:作废
【国别】:德国
【发布日期】:2009-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:CE标记;元部件;混凝土元件;铰接式接头;混凝土;一致性;一致性评估;建筑;施工材料;定义;楼板;现场浇注混凝土;轻质混凝土;作标记;材料规范;性能要求;厚板材;预制的;预制配件;预应力混凝土;加筋混凝土;平板式楼板;规范(验收);测试
【英文主题词】:CEmarking;Components;Concreteelement;Concreteproducts;Concretes;Conformity;Conformityassessment;Construction;Constructionmaterials;Definitions;Floors;In-situconcrete;Lightweightconcrete;Marking;Materialsspecification;Performancerequirements;Plates;Prefabricated;Prefabricatedparts;Prestressedconcrete;Reinforcedconcrete;Slabfloors;Specification(approval);Testing
【摘要】:ThisEuropeanstandarddealswiththerequirements,thebasicperformancecriteriaandevaluationofconformityforprecastfloorplatesmadeofreinforcedorprestressednormalweightconcreteaccordingtoEN1992-1-1:2004,usedinconjunctionwithcast-in-situconcrete(topping)fortheconstructionofcompositefloorslabs.AnnexBgivesdifferenttypesofcompositeslabsmadewithfloorplates.Thesefloorplates,withorwithoutvoidformers,canincludelatticegirdersorstiffeningribsincorporatedduringtheprecasting.Theyshallbemanufacturedinfactoriesbycasting,slipformingorextrusion.Theproductscoveredbythisstandardareintendedtobeusedaspartofstructuralfloorsinapplicationssuchas:--floorsandroofsofbuildings(includingindustrialandstoragebuildings,publicbuildingsasschools,hospitals,etc.);--parking/circulationareas;--coverforculverts;--etc.Theproductsmaybeusedinseismicareasprovidedtheyfulfiltherequirementsspecifictothisuse.Thisstandarddoesnotcover:--reinforcedandprestressedfloorplateswithanominalthicknesslessthan40mm;--prestressedfloorplateswithanominalthicknesslessthan50mmwithoutstiffeningribsorlatticegirder;--floorplateswithaverysmoothupperface,suchasdefinedin6.2.5ofEN1992-1-1:2004.
【中国标准分类号】:
【国际标准分类号】:91_100_30
【页数】:89P.;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforLinearityofFluorescenceMeasuringSystems
【原文标准名称】:荧光测量系统的线性度用标准试验方法
【标准号】:ASTME578-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:E13.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:分析方法;荧光;线性度;测量;光学;测试
【英文主题词】:fluorescencespectrometers;molecularluminescence;molecularspectroscopy
【摘要】:Therangeofconcentrationofafluorescingsubstanceinsolutionoverwhichthefluorescencevarieslinearlywiththeconcentrationistherangemostusefulforquantitativeanalysis.Thisrangeisaffectedbypropertiesofthesolutionunderanalysisandbyfeaturesofthemeasuringsystem.Thistestmethodprovidesameansoftestingtheperformanceofafluorescencemeasuringsystemandofdeterminingtheconcentrationrangeoverwhichthesystemissuitableformakingagivenquantitativeanalysis.Thistestmethodisnotmeantforcomparingtheperformanceofdifferentfluorescencemeasuringinstruments.1.1Thistestmethodcoversaprocedureforevaluatingthelimitsofthelinearityofresponsewithfluorescenceintensityoffluorescence-measuringsystemsunderoperatingconditions.Particularattentionisgiventoslitwidths,filters,andsamplecontainers.Thistestmethodcanbeusedtotesttheoveralllinearityunderawidevarietyofinstrumentalandsamplingconditions.Theresultsobtainedapplyonlytothetestedcombinationofslitwidthandfilters,andthesize,typeandilluminationofthesamplecuvette,allofwhichmustbestatedinthereport.Thesourcesofnonlinearitymaybethemeasuringelectronics,excessiveabsorptionofeithertheexcitingoremittedradiation,orboth,andthesamplehandlingtechnique,particularlyatlowconcentrations.1.2Thistestmethodhasbeenappliedtofluorescence-measuringsystemsutilizingcontinuousandlow-energyexcitationsources(forexample,anexcitationsourceof450-Welectricalinputorless).Thereisnoassurancethatextremelyintenseilluminationwillnotcausephotodecompositionofthecompoundssuggestedinthistestmethod.Forthisreasonitisrecommendedthatthistestmethodnotbeindiscriminatelyemployedwithhigh-intensitylightsources.Itisnotatestmethodtodeterminethelinearityofresponseofothermaterials.Ifthistestmethodisextendedtoemployotherchemicalsubstances,theprincipleswithincanbeapplied,butnewmaterialparameters,suchastheconcentrationrangeoflinearity,mustbeestablished.Theusershouldbeawareofthepossibilitythattheseothersubstancesmayundergodecomposition,oradsorptionontocontainers.1.3Thistestmethodhasbeenappliedtofluorescence-measuringsystemsutilizingasingledetector,thatis,aphotomultipliertubeorasinglephotodiode.Ithasnotbeendemonstratedifthismethodiseffectiveforphoto-arrayinstrumentssuchasthoseusingaCCDoradiodearraydetector.1.4Thistestmethodisapplicableto10-mmpathlengthcuvetteformatsandinstrumentscoveringawavelengthrangewithin190to900nm.Theuseofothersampleformatshasnotbeenestablishedwiththistestmethod.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N34
【国际标准分类号】:17_180_30
【页数】:3P.;A4
【正文语种】:
