NF G28-001-1967 纺织品.石棉线.主要特性和试验方法

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【英文标准名称】:Lubricatedmetal-powdermixes-Determinationoflubricantcontent-ModifiedSoxhletextractionmethod
【原文标准名称】:含润滑剂的金属粉末混合物润滑剂含量测定索格利特萃取法
【标准号】:ISO13944-1996
【标准状态】:作废
【国别】:国际
【发布日期】:1996-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC119
【标准类型】:()
【标准水平】:()
【中文主题词】:索格利特(提取器);掺和剂;石墨的;石墨;润滑剂;润滑剂;化学分析和试验;粉末冶金;含量测定;萃取;试验;金属粉末;润滑物含量;萃取器(玻璃器皿);试验设备;萃取法;分析;粉末;粒状材料;萃取分析法;金属
【英文主题词】:Additives;Analysis;Chemicalanalysisandtesting;Determination;Determinationofcontent;Extraction;Extractionmethod;Extractionmethodsofanalysis;Extractors(glassware);Graphite;Graphitic;Lubricantcontent;Lubricants;Lubricatingagents;Materialstechnology;Metallicpowders;Metals;Particulatematerials;Powder;Powdermetallurgy;Soxhlet;Testequipment;Testing
【摘要】:Methodforthedeterminationofthelubricantcontentofapowdermix.Themethodisalsosuitableformeasuringthecontentofelementssuchasgraphiteandoxygen,thedeterminationofwhichisinterferedwiththepresenceofalubricant.
【中国标准分类号】:H71
【国际标准分类号】:77_160
【页数】:4P;A4
【正文语种】:英语


【英文标准名称】:Ageingofthermalinsulationmaterials-Determinationofthelong-termchangeinthermalresistanceofclosed-cellplastics(acceleratedlaboratorytestmethods)
【原文标准名称】:热绝缘材料的老化.闭孔塑料耐热性能的长期变化量的测定(加速实验室试验方法)
【标准号】:BSISO11561-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-10-15
【实施或试行日期】:1999-10-15
【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】:建筑物;定义;测定;老化试验;热力学性质;加速度试验;实验室试验;隔热材料;耐热性;隔热
【英文主题词】:Acceleratedtesting;Ageingtests;Buildings;Definition;Definitions;Determination;Laboratorytesting;Plastics;Thermalinsulatingmaterials;Thermalinsulation;Thermalresistance;Thermodynamicproperties
【摘要】:ThisInternationalStandardspecifiestwolaboratorytestmethods,basedonslicingandscalingtechniques,todeterminethelong-termchangesinthethermalresistanceofclosed-cell(normally90%)cellularplasticmaterialsthatcontaingaseswhich,throughdiffusionprocesses,affectthepropertiesofafoamwithtime.Usingstandardmethodsforthemeasurementofthermalresistance,methodAconsistsofperiodicmeasurementsperformedoverashorttimeintervalonthinspecimensconditionedinacontrolledambienttemperatureenvironment.Theresultsofrelativechangewithtimeareusedinconjunctionwithamathematicaltechniquetoderivethethermalresistanceofgreaterthicknessesofthematerialasafunctionoftime.MethodBdescribesasimpletesttodetermineaconservativedesignlife-timevalue(25yearsaridlonger)foranunfaced,closed-cell,cellularplasticproduct.Thismethodislimitedcurrentlytounfacedhomogeneousmaterials.Forthismethod,multiplespecimensofthecoreandsurfacesofmaterialswithvariationsintheslopeoftheprimarystagethermalresistivityandatimerelationshipoflessthan10%withinasampleareconsideredtobehomogeneous.Generally,productswithnaturalskinsorwithdensitydeviationsnormallyfoundwithsuchproductsmaybeconsideredacceptablefortestbythistechnique.
【中国标准分类号】:Q25
【国际标准分类号】:91_100_60
【页数】:26P;A4
【正文语种】:英语