【英文标准名称】:Specificationfordimensionsoftracksformastanddeckfittings
【原文标准名称】:桅杆及甲板配件的导轨尺寸规范
【标准号】:BSMA28-1973
【标准状态】:现行
【国别】:英国
【发布日期】:1973-10-11
【实施或试行日期】:1973-10-11
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:钢轨;小艇;尺寸;金属型材;互换性;水路运输工程;甲板设备;桅杆;C形;T字钢;水路运输工程部件
【英文主题词】:rails;metalsections;deckequipment;c-shape;watertransportengineering;t-bars;dimensions;watertransportengineeringcomponents;boats;interchangeability;shipsmasts
【摘要】:Trackforinternalfittingsin16mmand25mmwidths,andforexternalfittingsin25mm,32mmand50mmwidths.
【中国标准分类号】:U22
【国际标准分类号】:47_020_50
【页数】:4P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforConductingOutdoorSoundMeasurementsUsingaDigitalStatisticalSoundAnalysisSystem
【原文标准名称】:使用数字统计声分析系统测量室外声级的标准试验方法
【标准号】:ASTME1503-2006
【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】:E33.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:声学测量;声学;露天;统计学
【英文主题词】:acousticalenvironment;analysis;calibration;communitynoise;datastorage;digital;equipment;interferences;loudness;measurement;measurementplan;meteorologicaleffects;microphonesystem;outdoor;precautions;procedures;soundlevel
【摘要】:1.1Thistestmethodcoversthemeasurementofoutdoorsoundlevelsatspecificlocationsusingadigitalstatisticalsoundanalysissystemandaformalmeasurementplan.1.1.1Thistestmethodprovidesbasicrequirementsforobtainingeitherasinglesetofdataormultiplesetsofrelateddata.However,becausetherearenumerouscircumstancesandvariedobjectivesrequiringmultiplesetsofdata,thetestmethoddoesnotaddressplanningofthemeasurementprogram.1.2Theuseofresultsofmeasurementsperformedusingthistestmethodinclude,butarenotlimitedto,thefollowing:1.2.1Tocharacterizetheacousticalenvironmentofasite,1.2.2Tocharacterizethesoundemissionsofaspecificsoundsourcewhichexhibitsatemporalvariationinsoundoutput,and1.2.3Tomonitortheeffectivenessofanoiseimpactmitigationplan.1.3Thistestmethodisintendedtobeusedinconjunctionwithameasurementplanthatreferencesthistestmethod.Changesoradditionstotheprovisionsofthistestmethodshallbeclearlystatedintheplan.1.3.1Intheeventitisnecessary,forexample,becauseoftimeconstraints,toconductmeasurementswithoutfirstformalizingaplan,thistestmethodcanbeusedifanoperator/observerwhosequalificationsaresatisfactorytoboththeperformingorganizationandtheclientispresentatalltimesduringthemeasurementsandwhocomplies,totheextentpossible,withalltheapplicablerequirementsofthistestmethod,includingrecordkeeping.1.4Thedataobtainedusingthistestmethodenablecomparisonofsoundleveldatawithappropriatecriteria.1.4.1Thedataobtainedwiththistestmethodcanbeusedinthederivationofloudnesslevelsprovidedthenecessaryrequirementsregardingsampledurationandsignalbandwidthareobservedincollectingthedata.Itisrecommendedthataspecialistintheareaofloudnessevaluationbeconsultedinpreparingaplanformeasurementsintendedtoproducedatawhichwillbeusedforthispurpose.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A59
【国际标准分类号】:
【页数】:7P.;A4
【正文语种】: