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【英文标准名称】:TestMethodforImpedanceandAbsorptionofAcousticalMaterialsUsingaTube,TwoMicrophonesandaDigitalFrequencyAnalysisSystem
【原文标准名称】:管子,双扩音器和数字频率分析系统用传声材料的阻抗和吸收的试验方法
【标准号】:ASTME1050-1990
【标准状态】:作废
【国别】:美国
【发布日期】:1990
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:阻抗;建筑声学;吸收;声学;阻尼;建筑;试验;材料
【英文主题词】:buildingacoustics;absorption;testing;impedance;acoustics;damping;construction;materials
【摘要】:
【中国标准分类号】:A59
【国际标准分类号】:91_120_20
【页数】:6P;A4
【正文语种】:英语


【英文标准名称】:Flexiblesheetsforwaterproofing-Plasticandrubbersheetsforroofwaterproofing-Methodsforexposuretoliquidchemicalsincludingwater
【原文标准名称】:防水柔性层.防水塑料和橡胶薄板.暴露于包括水的液体化学药品的方法
【标准号】:BSEN1847-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-03-15
【实施或试行日期】:2001-03-15
【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】:水密材料;弹性体;塑料和橡胶技术;耐化学性试验;屋顶层;防水材料;防水材料;防水试验;柔性材料;橡胶;热塑性聚合物;薄板材;塑料
【英文主题词】:Chemicalresistance;Construction;Constructionmaterials;Damp-proofcourses;Determination;Effects;Elastomers;Foil;Hydrolyticresistance;Immersion;Liquids;Methods;Plasticsheets;Plastics;Properties;Protectionagainstwaterfromtheground;Roofcoverings;Roofsealing;Roofunderlays;Roofs;Sealing;Sheets;Testreports;Testing;Thermoplasticpolymers;Waterproofsheetings;Waterproofingmaterials
【摘要】:ThisEuropeanStandardspecifiesamethodofexposingtestspecimensofplasticandrubbersheetsforroofing,freefromallexternalrestraint,toliquidchemicals(includingwater),andmethodsfordeterminingthechangesinpropertiesresultingfromsuchexposure.Onlytestingbyimmersionoftheentiresurfaceofthetestspecimenisconsidered.Themethodsfordeterminationofchangesinpropertiesarespecifiedasfollows:a)changesinmassimmediatelyafterimmersionorafterimmersionanddrying;b)changesindimensionsimmediatelyafterimmersionorafterimmersionanddrying;c)changesinappearanceimmediatelyafterimmersionorafterimmersionanddrying;andd)changesinphysicalpropertiesimmediatelyafterimmersionorafterimmersionanddrying.Testsimmediatelyafterimmersionareusedwhenitisrequiredtoascertainthestateofthematerialwhilestillacteduponbytheliquid.Testsafterimmersionanddryingareusedwhenitisrequiredtoascertainthestateofthematerialaftertheliquid,ifitisvolatile,hasbeeneliminated.
【中国标准分类号】:Q24
【国际标准分类号】:91_100_50
【页数】:16P.;A4
【正文语种】:英语