NF S31-127-2004 声学.管道消音器和空气终端装置的实验室测量步骤.插入损失、流动噪声和总压损失

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【英文标准名称】:Acoustics-Laboratorymeasurementproceduresforductedsilencersandair-terminalunits-Insertionloss,flownoiseandtotalpressureloss.
【原文标准名称】:声学.管道消音器和空气终端装置的实验室测量步骤.插入损失、流动噪声和总压损失
【标准号】:NFS31-127-2004
【标准状态】:作废
【国别】:法国
【发布日期】:2004-02-01
【实施或试行日期】:2004-02-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:管道;通风道工程;插入损耗;声学测量;性能试验;声强;流动;声学;试验炉;压力降;通风设备;消声器;测量;实验室;阻尼(波);运河;测量设备;声压级;发动机消音器;测量管道;定义;声级;符号;衰减常数;声学试验;测量技术;测量仪器;试验;噪声;噪声测量
【英文主题词】:Absorption;Acousticmeasurement;Acoustictesting;Acoustics;Airducts;Airflow;Attenuationconstant;Cables;Calibration;Canals;Checkingequipment;Classes;Clay;Corrrections;Damping;Definitions;Ducts;Enginesilencers;Equipment;Externalnoise;Fans;Flow;Graphicsymbols;Handling;Insertionloss;Laboratories;Laboratorytesting;Laboratorytests;Loudspeakers;Measurement;Measurementcircuits;Measuringducts;Measuringenvironment;Measuringequipment;Measuringinstruments;Measuringobjects;Measuringtechniques;Microphonearrangement;Microphones;Mineralwool;Noise;Noiseabatement;Noise(environmental);Noisemeasurements;Performancetests;Precision;Pressuredrops;Reflection;Reverberationrooms;Silencers;Sonictesting;Sound;Soundabsorption;Soundfields;Soundintensity;Soundlevel;Soundlevels;Soundmeters;Soundpressure;Soundpressurelevel;Soundsources;Structure-bornenoise;Symbols;Testfurnaces;Testresults;Testing;Testingset-ups;Transmittances;Ventilationductwork;Ventilationequipment;Walls
【摘要】:
【中国标准分类号】:Z32
【国际标准分类号】:17_140_99
【页数】:60P.;A4
【正文语种】:其他

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上一篇: NF S31-026-2004 声学.利用声压测定噪音源的声功率级.吸音室和半吸音室的精确方法
下一篇: NF S31-205-2004 声学.机械和设备发出的噪音.利用声强现场测定工作场所和其他规定位置处声压级的工程方法

Product Code:SAE AMS3267/4
Title:Sealing Compound, Low Adhesion, Corrosion Inhibiting, 9,000 to 14,000 Poises (900 to 1400 Pa{bullet} s), 2 Hour Application Time (B-2) (Cancelled Apr 2003)
Issuing Committee:Ams G9 Aerospace Sealing Committee
Scope: This specification covers accelerated curing synthetic rubber compounds with corrosion inhibitors and low adhesive strength supplied as a two-component system.【英文标准名称】:Wood-basedpanels-Smallscaleindicativetestmethodsforcertainmechanicalproperties
【原文标准名称】:木质板材.特定机械特性的小型指示性试验方法
【标准号】:BSDDCEN/TS14966-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-10-13
【实施或试行日期】:2005-10-13
【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】:试验;机械性能;木质板材;试件;定义;特性;板条;评定;木材;剪切强度;材料强度;弹性模量;抗拉强度;抗压强度;方位
【英文主题词】:Assessment;Compressivestrength;Definition;Definitions;Mechanicalproperties;Modulusofelasticity;Orientation;Panels;Properties;Shearstrength;Strengthofmaterials;Tensilestrength;Testpieces;Testing;Wood;Woodbasedsheetmaterials
【摘要】:ThisTechnicalSpecificationspecifiessmall-scaletestmethodsforestimatingthefollowingmechanicalpropertiesofwood-basedpanels:?indicativeplanarshearstrength(sometimesreferredtoasblockshear);?indicativepanelshearstrength;?indicativestrengthandmodulusofelasticityintensionintheplaneofthepanel;?indicativestrengthincompressionintheplaneofthepanel.ReferenceshouldbemadetoEN310forbendingproperties.Forplywood,EN314-1mayalsobeusedasanindicatorofplanarshearstrength.Thesetestmethodsareintendedforindicativepurposesonlyandshouldnotbeusedasameansofdeterminingstructuraldesignvalues.Theymaynotbesuitableforallpaneltypes.Theymaybeusedasameansofsupportingqualitycontrolproceduresforstructuralpanels,ifcorrelationswithEN789testresultscanbeestablished(CENTechnicalReportinpreparation).
【中国标准分类号】:B70
【国际标准分类号】:79_060_01
【页数】:18P.;A4
【正文语种】:英语