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DIN 45645-2-1997 测量评定声级.第2部分:工作场所噪声发散

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【英文标准名称】:Determinationofratinglevelsfrommeasurements-Part2:Noiseimmissionsattheworkplace
【原文标准名称】:测量评定声级.第2部分:工作场所噪声发散
【标准号】:DIN45645-2-1997
【标准状态】:作废
【国别】:德国
【发布日期】:1997-07
【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】:极限(数学);声强;频率;声学;评定;定义;尺寸;尺寸;试验报告;普通级;测量;机器;连续声级;外部噪声;静止的;磁带;测量仪器;传声器;噪声级;声音;声级计;符号;动量;校正;工作地点;额定级;声级表;精密度;磨损量;声压级;噪声测量
【英文主题词】:Acoustics;Averaginglevels;Calibration;Continuoussoundlevels;Definitions;Dimensions;Evaluations;Externalnoise;Frequencies;Levelmeasuringset;Limits(mathematics);Machines;Magnetictapes;Measurement;Measuringinstruments;Measuringsites;Measuringtimes;Microphones;Momentum;Noiseimmisions;Noiselevels;Noisemeasurements;Precision;Ratinglevels;Size;Sound;Soundabsorption;Soundintensity;Soundmeters;Soundpressurelevel;Sound-levelmeters;Stationary;Symbols;Testreport;Wear-quantity;Workingplaces
【摘要】:
【中国标准分类号】:Z32
【国际标准分类号】:17_140_20
【页数】:14P;A4
【正文语种】:德语


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【英文标准名称】:Interpretations(1989)-SectionXI-3
【原文标准名称】:说明(1989).第XI-3节
【标准号】:ASMESECXI-3INT(1989)-1989
【标准状态】:现行
【国别】:美国
【发布日期】:1989-01-01
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:BoilerandPressureVessels.Interpretations(1989)-SectionXI-3
【中国标准分类号】:F69
【国际标准分类号】:
【页数】:
【正文语种】:英语


【英文标准名称】:StandardReferenceRadiographsforDuctileIronCastings
【原文标准名称】:球墨铸铁件的标准参考底片
【标准号】:ASTME689-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:E07.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:classification;discontinuity;ductileironcastings;gammaray;referenceradiographs;X-ray;Castiron(testing)--referenceradiographs;Discontinuities--metals/alloys;Ductileironcastings;Radiographicexamination;Referenceradiographs
【摘要】:Thecastingprocesshasdemonstratedradiographicsimilaritiesbetweeninternaldiscontinuitiesforductilecastironandcaststeeltotheextentthatthereferenceradiographsforsteelcastingsareapplicable.Theexactapplicationandusageofdiscontinuityclassificationscontainedwithinsteelcastingreferenceradiographsmust,however,giveconsiderationtothedifferencesinmaterialpropertiesbetweencaststeelandductilecastiron.Insomeapplications,referenceradiographsforsteelcastingsmaynotbeentirelyapplicabletoductilecastironmaterialdependentupondesignorotherusagecriteria.Whenemployingsteelcastingreferenceradiographstoevaluateductileironcastings,theapplicableE446,E186,orE280steelcastingwrittenstandardshallalsobeusedforspecificguidanceandevaluationprocedures.Thesereferenceradiographsareintendedasabasisfromwhichmanufacturersandpurchasersmay,bymutualagreement,selectparticulardiscontinuityclassestoserveasstandardsrepresentingminimumlevelsofacceptability.Referenceradiographsrepresentedbythesesteelcastingstandardsmaybeused,asagreeduponinapurchasersupplieragreement,forradiationenergylevels,thicknessesorbothoutsidetherangeofthesestandardswhendeterminedapplicableforthecastingserviceapplication1.1ThisstandardextendstheapplicationofsteelcastingreferenceradiographsE446,E186,andE280toductileironcastingswhendeterminedappropriateforspecificapplications(seeSection4).1.2ThereferenceradiographfilmsareanadjuncttoE446,E186,orE280,andmustbepurchasedseparatelyfromASTMInternational,ifneeded(see2.1).Categoriesandseveritylevelsforeachdiscontinuitytyperepresentedbythesereferenceradiographsaredescribedwithineachapplicablestandardabove.Note18212;ThebasisofapplicationforthesereferenceradiographsrequiresapriorpurchasersupplieragreementofradiographicexaminationattributesandclassificationcriterionasdescribedinSections4,5,and6ofthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J31
【国际标准分类号】:77_080_10
【页数】:3P.;A4
【正文语种】:英语