ASTM E1573-2002 用A加权和1/3倍频带声压级评价敞开式办公间掩蔽声的标准试验方法

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【英文标准名称】:StandardTestMethodforEvaluatingMaskingSoundinOpenOfficesUsingA-WeightedandOne-ThirdOctaveBandSoundPressureLevels
【原文标准名称】:用A加权和1/3倍频带声压级评价敞开式办公间掩蔽声的标准试验方法
【标准号】:ASTME1573-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:E33.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:噪声控制;办公室(室内);试验;建筑
【英文主题词】:A-weighted;maskingsound;one-thirdoctaveband;one-thirdoctavebandsoundpressurelevels;openoffices
【摘要】:Speechprivacyinanopenofficeisdependentonmanyfactors(seeGuideE1374foradiscussiononopenofficeacousticalconsiderations).Oneofthesefactorsisthemaskingsoundintheoffice.Withoutmaskingsoundintheopenoffice,confidentialspeechprivacyisnotpossibleatnormalvoicelevels.Thefourcriticalacousticalparametersofmaskingsoundareitsspatialuniformity,temporaluniformity,spectrumshape,andlevel.Themeasurementanddeterminationoftheseparametersareaddressedinthistestmethod.Theresultsfromthistestmethodcanbeusedtodetermineifthemaskingsoundmeetsaparticularspecification.1.1ThistestmethodspecifiestheproceduresthatcanbeusedtoevaluatethespatialandtemporaluniformityofmaskingsoundinopenofficesusingA-weightedsoundlevels.Italsospecifiestheprocedureforevaluatingthemaskingsoundspectrumandlevelusingone-thirdoctavebandsoundpressurelevels.1.2TheresultsofthistestmethodcanbeusedtodetermineifthemaskingsoundmeetsaparticularspecificationforspatialandtemporaluniformityifthatspecificationiswrittenintermsofA-weightedsoundlevelsandifthemaskingsoundmeetsaparticularspectrumshapeandlevelintheofficearea.1.3Thistestmethodmustnotbeusedtoevaluatetheacousticalenvironmentinanofficespace.Itisintendedonlytoevaluatethemaskingsoundinanoffice.Thistestmethod,forinstance,doesnotevaluatethelowfrequencyrumblenoisefoundinsomeoffices.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z32
【国际标准分类号】:91_120_20
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:Trachealtubesdesignedforlasersurgery.Requirementsformarkingandaccompanyinginformation
【原文标准名称】:专为激光手术所设计的气管导管.标明的内容和随附信息的要求
【标准号】:BSENISO14408-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2011-09-30
【实施或试行日期】:2011-09-30
【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】:
【英文主题词】:Accidentprevention;Accompanyingforms;Apparatus;Breathingequipment;Definitions;Designations;Determination;Endotrachealtubes;Fireconditions;Firesafety;Flameresistance;Flame-retarding;Hospitals;Instructions;Laboratorytests;Laserbeams;Laserengineering;Laserequipment;Laserradiation;Lasers;Marking;Materialsspecification;Medicalbreathingapparatus;Medicaldevices;Medicalequipment;Medicalsciences;Medicaltechnology;Opticalequipment;Opticalinstruments;Optics;Radiation;Radiationmeasurement;Rescueandambulanceservices;Resistance;Safetymeasures;Safetyrequirements;Specification(approval);Specifications;Surfaces;Surgery;Surgicalinstruments;Technicaldatasheets;Testing;Trachealtubes;Tubing(medical);Tubus
【摘要】:
【中国标准分类号】:C46
【国际标准分类号】:11_040_10
【页数】:18P;A4
【正文语种】:英语


【英文标准名称】:Rulesforelectrictractionequipment
【原文标准名称】:电力牵引设备的规则
【标准号】:IEC60077-1968
【标准状态】:作废
【国别】:国际
【发布日期】:1968
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC9
【标准类型】:()
【标准水平】:()
【中文主题词】:电气设备;电气工程;牵引车辆;电力牵引;铁路电力牵引装置;铁道车辆
【英文主题词】:railwayapplications;electricalequipment;railwayelectrictractionequipment;railwayvehicles;electricalengineering;electrictraction;tractionvehicles;railways
【摘要】:
【中国标准分类号】:S35
【国际标准分类号】:29_280
【页数】:45P.;A4
【正文语种】:英语