ANSI/ASA S2.71-1983 人体暴露于建筑物振动的评估指南标准

上一篇: NF V03-623-1983 葡萄糖糖浆.干物质含量的测定.折射率测定法
下一篇: DIN 12476-1983 实验室玻璃器具.锥形过滤长颈瓶

【英文标准名称】:StandardGuideforMeasuringOutdoorSoundReceivedfromaNearbyFixedSource
【原文标准名称】:附近固定声源的户外声音接收性测量标准指南
【标准号】:ASTME1780-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:导向装置;声学;外部噪声;旋笛;声传输;泵;声源;噪声测量
【英文主题词】:communitynoise;fixedsoundsource;outdoorsound;soundmeasurement;soundsurvey
【摘要】:Situationsforwhichoutdoorsoundleveldataarerequiredinclude,butarenotlimitedto,comparisonofsoundlevelswithcriteriaorregulatorylimits.Thisguideprovidesinformationto(1)measureoutdoorsoundlevelinthevicinityofoutdoorfixednoisesources,and(2)documentotherobservationsnecessaryforthemeasurements.Thisguideprovidesastandardprocedureforatrainedacousticalprofessionalthatwillproduceresultsanddocumentationwhichareconsistentwiththepurposescitedin1.1.1-1.1.5.Thesesoundmeasurementsshouldbeperformedbyorunderthedirectionofapersonexperiencedinthemeasurementandanalysisofoutdoorsound,andwhoisfamiliarwiththeuseoftherequiredequipmentandtechniques.Thisguidecanbeusedbyindividuals,regulatoryagencies,orothersasameasurementguidetocollectdataonthesoundlevelreceivedfromafixedsourcewithintheconstraintscitedin8.1andAppendixX2.Thisguidecanbeusedtoestablishcomplianceornoncomplianceatthetime,distance,andconditionsduringwhichthedatawereobtained.However,thisguideisonlyameasurementprocedureanddoesnotaddresstheproblemofprojectingtheacquireddataoutsidethoseconditions,othertimesofday,otherdistances,orcomparisonwithspecificcriteria.Inparticular,foragivensoundsourcelevel,distantnoiselevelswilloftenbefoundtobegreateratnightthanduringtheday.1.1Thisguidecoversthemeasurementofoutdoorsoundduetoafixedsoundsourcesuchasasiren,stationarypump,powerplant,ormusicamphitheater.Procedurescharacterizethelocation,soundlevel,spectralcontent,andtemporalcharacteristicsofthatsoundsourceatthetimeofmeasurement.Usersshouldbeawarethatwindandtemperaturegradientscancausesignificantvariationsinsoundlevelsbeyond300m(1000ft).Withappropriatecaution,theuseofmeasurementsresultingfromthisguideincludebutarenotlimitedto:1.1.1Assessingcompliancewithapplicableregulations,1.1.2Monitoringtheeffectivenessofanoisereductionplan,1.1.3Verifyingtheeffectivenessofmeasuresformitigationofnoiseimpact,1.1.4Validatingsoundpredictionmodels,and1.1.5Obtainingsourcedataforuseinsoundpredictionmodels.1.2ThisguidemaybeusedaccordingtoGuideE1779andspecifiedinthemeasurementplan.1.2.1Thisguidecanalsobeusedtoconductmeasurementswithoutaplanprovidedanoperator/observerwhosequalificationsaresatisfactorytoboththeperformingorganizationandtheuseroftheresultsispresentatalltimesduringthemeasurementsandwhocomplieswiththeapplicablerequirementsofthisguide,includingrecordkeeping.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z32
【国际标准分类号】:
【页数】:11P.;A4
【正文语种】:


【英文标准名称】:Highfrequencyinductivecomponents-Electricalcharacteristicsandmeasuringmethods-Part1:Nanohenryrangechipinductorcorrigendum1
【原文标准名称】:高频感应元件.电气特性和测量方法.第1部分:毫微亨利芯片感应器
【标准号】:IEC62024-1Corrigendum1-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-07
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC51
【标准类型】:()
【标准水平】:()
【中文主题词】:芯片;元部件;电性能;电子工程;电子设备及元件;电子仪器;铁酸盐;高频;阻抗;电感;感应;电磁元件;磁性器件;数学计算;测量;测量技术;测量温度;计量学;共振频率;测试
【英文主题词】:Chips;Components;Electricalproperties;Electronicengineering;Electronicequipmentandcomponents;Electronicinstruments;Ferrites;Highfrequencies;Impedance;Inductance;Inductive;Magneticcomponents;Magneticdevices;Mathematicalcalculations;Measurement;Measuringtechniques;Measuringtemperatures;Metrology;Resonantfrequency;Testing
【摘要】:Thisiscorrigendum1ofHighfrequencyinductivecomponents-Electricalcharacteristicsandmeasuringmethods-Part1:Nanohenryrangechipinductor.
【中国标准分类号】:L17
【国际标准分类号】:29_100_10
【页数】:1P.;A4
【正文语种】:英语