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ASTM E1704-1995(2010) 规定隔音室声学性能的标准指南

作者:标准资料网 时间:2024-05-11 23:51:50  浏览:9140   来源:标准资料网
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【英文标准名称】:StandardGuideforSpecifyingAcousticalPerformanceofSound-IsolatingEnclosures
【原文标准名称】:规定隔音室声学性能的标准指南
【标准号】:ASTME1704-1995(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【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】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:buildings;enclosures;insertionloss;levelreduction;noisereduction;rooms;specifications;Acousticaltests;Enclosures;Insertionloss;Levelreduction;Noisereduction;Performance--acousticalsystems;Rooms;Sound-isolatingenclosures;Soun
【摘要】:Thisguidecanbeusedtoproduceaspecificationfortheacousticalperformanceofanenclosure.Thisguideisintendedforthosefamiliarwithbasicconceptsofacoustics.Althoughthisguideprovidesdetailedguidanceinmattersrelatingtospecificationofacousticalenclosures,itisnotasubstitutefortheexperienceandjudgmentofanacousticalornoisecontrolprofessional.Thisguidecallsformeasurementscommonwithinacousticalpractice.Themorecriticaltheperformancerequirementsoftheenclosure,themoretheusershouldconsiderseekingtheservicesofanacousticsornoisecontrolprofessional.Thespecifyingofasound-isolatingenclosurehasthreesequentialsteps:Determinethesoundpressurelevelsthatexistatspecificlocationspriortotheintroductionoftheenclosure,Note18212;Inthecaseofnewconstruction,thesoundpressurelevelisoftenestimatedfromthesoundpowerlevelsofnoise-emittingequipmentandageneraldescriptionoftheacousticalpropertiesoftheenvironment.Determinethemaximumpermissiblesoundpressurelevelsthatmustexistatthesamelocationsaftertheintroductionoftheenclosure,andDeterminetherequiredenclosurelevelreduction.Therequiredisolationisrelatedtothedifferencebetweenthesoundpressurelevelsbeforeandaftertheintroductionoftheenclosure.Manyspecificationsareformultipleenclosuresorenclosureswithmultiplefunctions,orboth.Itisbeyondthescopeofthisguidetoprovidedetailedguidanceforeverypossiblecombination.Separatespecificationsforeachsource-enclosure-receivercombinationshouldbeusedinsuchacase.Thetypeofspecificationthatshouldbeselecteddependsbothonthepurposeoftheenclosureandhowcrucialitsperformanceis.Ingeneral:Ifexceedingaparticularmaximumpermissiblesoundpressurelevelspectrumwouldrendertheenclosureunsuccessful,asoundpressurelevelspecificationshouldbeused.Thisguideassignsallphasesofacousticaldesignaredelegatedtothesupplier.Complianceisusuallymoreeasilyverifiedthanwiththelevelreductionmethod.Ifthecriteriaforthesuccessoftheenclosurearelessstringentornotrelatedtoaspecificmaximumpermissiblespectrum,alevelreductionspecificationmaybeused.1.1Theguidecoversthedevelopmentofcriteriafortheacousticalperformanceofabroadvarietyofacousticalenclosuresbyidentifyinginformationnecessarytounambiguouslydescribeacousticalperformance.ThisguideisnotastandardASTMspecificationforasound-isolatingenclosure.1.2Excludedfromthescopeofthisguidearetechnicalconsiderationsforenclosuredesignthatdonotpertaindirectlytoacousticalperformance.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P31
【国际标准分类号】:17_140_01
【页数】:7P.;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodforSeparationofActiveIngredientfromSurfactantandSyndetCompositions
【原文标准名称】:表面活性剂和合成洗涤剂中有效成分分离的标准试验方法
【标准号】:ASTMD2358-1989(2003)
【标准状态】:现行
【国别】:
【发布日期】:1989
【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】:D12.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:工艺;表面活性剂;肥皂;洗涤剂;抛光剂;合成的
【英文主题词】:activeingredient;alcoholextraction;surfactantcompositions;syndetcompositions
【摘要】:1.1Thistestmethodcoverstheprocedurefortheseparationandpurificationofactiveingredientfromsurfactantsandsyndetcompositions.Theseparatedactiveingredientmaybeusedforqualitativeexaminations.Thistestmethodalsopermitstheestimationoftotalactiveingredientlevelpresentinthesampleundertest.1.2Thistestmethodyieldstheactiveingredienttogetherwithotheralcohol-solublematerialsandthereforeisusefulonlyinestimatingtheactualactiveingredientlevel.Correctionfortheamountofthemostcommoncontaminant,sodiumchloride,isshownbyaseparatedetermination.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.MaterialSafetyDataSheetsareavailableforreagentsandmaterials.Reviewthemforhazardspriortousage.
【中国标准分类号】:G71
【国际标准分类号】:71_100_40
【页数】:3P.;A4
【正文语种】:


【英文标准名称】:SpecificationForPush-FitCrosslinkedPolyethylene(Pex)MechanicalFittingsForCrosslinkedPolyethylene(Pex)Tubing
【原文标准名称】:交联聚乙烯(Pex)管道用推入配合交联聚乙烯(Pex)机械配件规范
【标准号】:ANSI/ASTMF2854-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:交联;配合;配件;机械的;管道配件;管道;管线;塑料配件;聚乙烯;推入;管
【英文主题词】:Cross-linked;Fits;Fittings;Mechanical;Pipefittings;Pipelines;Pipes;Plasticsfittings;Polyethylene;Push;Tubing
【摘要】:
【中国标准分类号】:J15
【国际标准分类号】:23_040_45
【页数】:
【正文语种】:英语



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