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BS EN 12086-1997 建筑物绝热产品.水蒸汽气散发性能测定

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【英文标准名称】:Thermalinsulatingproductsforbuildingapplications-Determinationofwatervapourtransmissionproperties
【原文标准名称】:建筑物绝热产品.水蒸汽气散发性能测定
【标准号】:BSEN12086-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-11-15
【实施或试行日期】:1997-11-15
【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】:建筑物;建筑;定义;定义(术语);测定;扩散系数;材料测试;测量技术;渗透;塑料;特性;选择;蒸汽;测试;测试装置;绝热材料;绝热;厚度;水蒸气渗透性
【英文主题词】:Buildings;Construction;Definition;Definitions;Determination;Diffusioncoefficient;Materialstesting;Measuringtechniques;Permability;Plastics;Properties;Selection;Steam;Testing;Testingdevices;Thermalinsulatingmaterials;Thermalinsulation;Thickness;Watervapourpermeability
【摘要】:ThisEuropeanStandardspecifiestheequipmentandproceduresfordeterminingthewatervapourtransmissionrate,watervapourpermeanceandwatervapourpermeabilityoftestspecimensinthesteadystateunderdifferentsetsofspecifiedtestconditions.Itisapplicabletothermalinsulatingproducts.Itisintendedtobeusedforhomogeneousmaterials(seenote1)andforproductswhichmaycontainintegralskinsorfacingsofdifferentmaterial(s).NOTE1.Amaterialisconsideredtobehomogeneous,withregardtomassdistribution,ifitsdensityisapproximatelythesamethroughout,i.e.ifthemeasureddensityvaluesareclosetoitsmeandensity.NOTE2.Thistestmethodisnotnormallyusedfordeterminingthewatervapourtransmissionpropertiesofsingle,separatevapourbarriers(ofhighdiffusionresistance),suchasprefabricatedfilms,foils,membranesorsheets,duetothelongdurationofthetest.Forproductswithavapourretarderorbarrierwithawatervapourdiffusionequivalentairlayerthicknesssd≥1000m(see3.6),othertestmethodse.g.IR-detectioncanbeusedformeasuringthesingleseparatevapourretarderorbarrier,providedthattheresultsobtainedareinthesamerangeasthevaluesmeasuredinaccordancewiththisstandard.Thewatervapourtransmissionrateandpermeancevaluesarespecifictothetestspecimen(i.e.theproduct)thicknesstested.Forhomogeneousproducts,thewatervapourpermeabilityisapropertyofthematerial.
【中国标准分类号】:Q25
【国际标准分类号】:91_100_60
【页数】:16P.;A4
【正文语种】:英语


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【英文标准名称】:Opticalfibrecables.Genericspecification.General
【原文标准名称】:光纤电缆.一般规范.总则
【标准号】:BSEN60794-1-1-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2012-01-31
【实施或试行日期】:2012-01-31
【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】:Aerialcables;Ageingbehaviour;Ageing(materials);Cableconstruction;Cables;Climatic;Communicationcables;Definitions;Design;Dimensions;Electricconductors;Electricalengineering;Electricalpropertiesandphenomena;Environmentalrequirements;Fibreoptics;Generalsection;Genericspecification;Geometric;Glassfibrecables;Hightensionleads;Highvoltage;High-voltagelines;High-voltagetechniques;Materials;Mechanic;Mechanicalproperties;Optical;Opticalproperties;Opticalwaveguides;Optoelectronics;Pollutioncontrol;Properties;Quality;Ratings;Specification(approval);Telecommunications;Testing;Transmission;Transmissioncharacteristics;Transmissiontechnique;Trunking;Types
【摘要】:
【中国标准分类号】:M33
【国际标准分类号】:33_180_10
【页数】:22P;A4
【正文语种】:英语