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【英文标准名称】:StandardGuideforMeasurementofOutdoorA-WeightedSoundLevels
【原文标准名称】:室外A加权声级测量标准指南
【标准号】:ASTME1014-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E33.09
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:A-weightedsoundlevels;communitynoise;outdoornoise;noisesampling;A-weightedsoundlevel;Noiselevelmeasurement;Outdoorsoundmeasurement;Soundtransmission
【摘要】:Therearenumeroussituationsforwhichoutdoorsoundleveldataarerequired.Theseinclude,butarenotlimitedto,thefollowing:Documentationofsoundlevelsbeforetheintroductionofanewsoundsource(forexample,assessmentoftheimpactduetoaproposeduse).Comparisonofsoundlevelswithandwithoutaspecificsource(forexample,assessmentoftheimpactofanexistingsource).Comparisonofsoundlevelswithcriteriaorregulatorylimits(forexample,indicationofexceedenceofcriteriaornon-compliancewithlaws).Thisguideprovidesameansforselectingmeasurementlocations,operatingasoundlevelmeter,documentingtheconditionsunderwhichthemeasurementswereperformed,andrecordingtheresults.Thisguideprovidestheuserwithinformationto(1)makeanddocumentthesoundlevelmeasurementsnecessarytoquantifyrelativelysteadyorslowlyvaryingoutdoorsoundlevelsoveraspecifictimeperiodandatspecificplacesand(2)makeanddocumentthephysicalobservationsnecessarytoqualifythemeasurements.Theuseriscautionedthattherearemanynonacousticalfactorsthatcanstronglyinfluencethemeasurementofoutdoorsoundlevelsandthatthisguideisnotintendedtosupplanttheexperienceandjudgmentofexpertsinthefieldofacoustics.Theguideisnotapplicablewhenmoresophisticatedmeasurementmethodsorequipmentarespecified.Thisguide,dependingasitdoesonsimplifiedmanualdataacquisition,isnecessarilymoreappropriateforthesimplertypesofenvironmentalnoisesituations.Asthenumberofsourcesandtherangeofsoundlevelsincrease,themorelikelyexperiencedspecialistswithsophisticatedinstrumentsareneeded.Thisguidecanbeusedbyindividuals,regulatoryagencies,orothersasameasurementmethodtocollectacousticaldataformanycommonsituations.Criteriaforevaluatingoranalyzingthedataobtainedarebeyondthescopeofthisguide.Notethatthisguideisonlyameasurementprocedureand,assuch,doesnotaddressthemethodsofcomparisonoftheacquireddatawiththespecificcriteria.Noproceduresareprovidedforestimatingorseparatingtheinfluencesoftwoormoresimultaneouslymeasuredsounds.Thisguidecanbeusefulinestablishingcompliancewhenthemeasureddataarebelowaspecifiedlimit.Paragraph8.2.1outlinesaprocedurethatcanbeusedforasurveyofthesiteboundary;paragraph8.2.2forasurveyofspecifiedmonitoringpoints;andparagraph8.2.3fordeterminingthelocationandmagnitudeofmaximumsoundlevel.1.1ThisguidecoversthemeasurementofA-weightedsoundlevelsoutdoorsatspecifiedlocationsoralongparticularsiteboundaries,usingageneralpurposesound-levelmeter.1.2Threedistincttypesofmeasurementsurveysaredescribed:1.2.1Surveyaroundasiteboundary,1.2.2Surveyataspecifiedlocation,1.2.3Surveytofindthemaximumsoundlevelataspecifieddistancefromasource.1.3Thedataobtainedusingthisguidearepresentedintheformofeithertime-averagesoundlevels(abbreviationTAVandsymbolLAT,alsoknownasequivalentsoundlevelorequivalentcontinuoussoundlevelabbreviatedLEQandwithsymbolLAeqT)orA-weightedpercentilelevels(symbolLX).1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationsp......
【中国标准分类号】:P31
【国际标准分类号】:17_140_01
【页数】:5P.;A4
【正文语种】:英语


【英文标准名称】:Aerospaceseries-Fibresandcables,optical,aircraftuse-Testmethods-Part506:Impactresistance;GermanandEnglishversionEN3745-506:2009
【原文标准名称】:航天系列.飞机用光学纤维及电缆.试验方法.第506部分:抗冲击性能,德语和英语版EN3745-506:2009
【标准号】:DINEN3745-506-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-11
【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】:
【英文主题词】:Aerospacetransport;Airtransport;Aircraft;Droptests;Electriccables;Electricalcords;Fibreoptics;Multilingual;Opticalwaveguides;Testing;Visualinspection(testing)
【摘要】:Thisstandardspecifiesamethodtodeterminetheabilityofanopticalfibreorcabletowithstandimpactunderspecifiedenvironmentalconditions.
【中国标准分类号】:V25;M33
【国际标准分类号】:49_090
【页数】:13P.;A4
【正文语种】: