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ASTM E596-1996(2002)e1 隔音室减少噪音的实验室测量的标准试验方法

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【英文标准名称】:StandardTestMethodforLaboratoryMeasurementofNoiseReductionofSound-IsolatingEnclosures
【原文标准名称】:隔音室减少噪音的实验室测量的标准试验方法
【标准号】:ASTME596-1996(2002)e1
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:E33.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:测量;建筑声学;试验;隔音;建筑;实验室试验;声学;噪声抑制
【英文主题词】:enclosures;noiseisolation;noiseisolationclass;noisereduction;sound-isolating
【摘要】:Thenoisereductionofanenclosureisapropertyoftheenclosure,thelocationofthesoundsourceusedtomeasurenoisereduction,andthespaceinwhichtheenclosureisplaced.Itisnotapropertyoftheenclosurealone,anditsmeasurementunderdifferentconditionscanbeexpectedtogivedifferentresults.Whenthenoisereductionismeasuredinaccordancewiththistestmethod,thesoundsourceisoutsidetheenclosureandthesoundfieldoutsidetheenclosureapproximatesadiffusesoundfield.Measurementsmadeinaccordancewiththistestmethodcanbeexpectedtobereproduciblefromonelaboratorytoanother.Thenoisereductionmeasuredinaccordancewiththistestmethodmaybeusedforthefollowingpurposes:5.2.1Toranktheorderofsound-isolatingenclosuresaccordingtonoiseisolationclass,NIC.5.2.2Toestimatethehighestone-thirdoctavebandsoundpressurelevelsthatcanoccuroutsidetheenclosurewithoutexceedingspecifiedsoundpressurelevelsinsidetheenclosure.5.2.3Toestimatetheone-thirdoctavebandsoundpressurelevelsthatwilloccurinsidetheenclosurewithspecifiedsoundpressurelevelsoutside.Thenoisereductionmeasuredinaccordancewiththistestmethodmaynotestimateaccuratelytheisolationthattheenclosurewillprovidewhenitisusedtoisolateanoisesourceinsideitfromthespaceoutside.Theusershouldbecautiouswhenusingnoisereductionsmeasuredbythistestmethodtoevaluateenclosuresusedtoenclosenoisesources.Sound-isolatingenclosuresarefrequentlymadefromprefabricatedmodularpanels.Thenoisereductionmeasuredbythistestmethodappliestothecompleteenclosureandnottoindividualpanelsfromwhichitismadeandcannotbeusedtoinferthesoundtransmissionlossoftheindividualpanels.Specificationsforsound-isolatingenclosuresmayincludereferencetonoisereductionandnoiseisolationclassmeasuredinaccordancewiththistestmethod.1.1Thistestmethodcoversthereverberationroommeasurementofthenoisereductionofsound-isolatingenclosures.1.2Thenoiseisolationclassmaybedeterminedfromthenoisereductionmeasuredinaccordancewiththistestmethod.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_20;71_040_20
【页数】:5P.;A4
【正文语种】:


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Product Code:SAE AIR1657
Title:Handbook of Hydraulic Metric Calculations
Issuing Committee:A-6a2 Military Aircraft Committee
Scope:Metric (SI and CGS) and English units related to aerospace hydraulics are summarized. Conversion of units is provided as required. Fundamental fluid properties and physical laws governing fluid motion, pressure and other significant aspects are described in SI metric units. Examples of application to typical aerospace hydraulic system components are demonstrated.【英文标准名称】:Footwear-Testmethodsforuppers-Deformability
【原文标准名称】:鞋类.鞋帮试验方法.形变性
【标准号】:BSEN13513-2002
【标准状态】:作废
【国别】:英国
【发布日期】:2002-01-25
【实施或试行日期】:2002-01-25
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:变形;机械试验;鞋类;鞋帮
【英文主题词】:Definition;Definitions;Fitnessforpurpose;Footwear;Leatherproducts;Mouldability;Shafts;Shoemanufacture;Shoes;Specification(approval);Testing
【摘要】:ThisEuropeanStandardspecifiesatestmethodfordeterminingdeformabilityofuppersorcompleteupperassembly,irrespectiveofthematerial,inordertoassessthesuitabilityfortheenduse.
【中国标准分类号】:Y78
【国际标准分类号】:61_060
【页数】:12P;A4
【正文语种】:英语