DIN 24147-11-1982 通风技术设备.异型件.带凸座接头
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来源:标准资料网
【英文标准名称】:Ventilationequipment;shapedpieces;saddleconnectionpieces
【原文标准名称】:通风技术设备.异型件.带凸座接头
【标准号】:DIN24147-11-1982
【标准状态】:作废
【国别】:德国
【发布日期】:1982-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸;管道;通风管道;通风道工程;通风;配件;空调系统
【英文主题词】:air-conditioningsystems;ventilation;ventilationductwork;pipelines;fittings;dimensions;ventilationducts
【摘要】:
【中国标准分类号】:Q76;J15
【国际标准分类号】:91_140_30
【页数】:2P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforFlatwiseCompressivePropertiesofSandwichCores
【原文标准名称】:层压芯材的抗平向压强的标准试验方法
【标准号】:ASTMC365/C365M-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:D30.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:压力模数;抗压强度;芯;平压;夹心;抗平压力度;三明治内层芯板
【英文主题词】:compressivemodulus;compressivestrength;core;flatwisecompression;sandwich;Flatwisecompressivestrength;Sandwichcorematerials
【摘要】:Flatwisecompressivestrengthandmodulusarefundamentalmechanicalpropertiesofsandwichcoresthatareusedindesigningsandwichpanels.Deformationdatacanbeobtained,andfromacompleteforceversusdeformationcurve,itispossibletocomputethecompressivestressatanyappliedforce(suchascompressivestressatproportionallimitforceorcompressivestrengthatthemaximumforce)andtocomputetheeffectivemodulusofthecore.Thistestmethodprovidesastandardmethodofobtainingtheflatwisecompressivestrengthandmodulusforsandwichcorestructuraldesignproperties,materialspecifications,researchanddevelopmentapplications,andqualityassurance.Inordertopreventlocalcrushingattheedgesofsomehoneycombcores,itisoftendesirabletostabilizetheedgeswithasuitablematerial,suchasathinlayerofresinorthinfacings.Flatwisecompressivestrengthdatamaybegeneratedusingeitherstabilizedspecimens(reportedasstabilizedcompressionstrength)ornon-stabilizedspecimens(reportedasbarecompressionstrength).Itiscustomaryaerospaceindustrypracticetodeterminecompressionmodulusonlywhenusingstabilizedspecimens.Factorsthatinfluencetheflatwisecompressivestrengthandshallthereforebereportedincludethefollowing:corematerial,methodsofmaterialfabrication,coregeometry(cellsize),coredensity,specimengeometry,specimenpreparation,specimenconditioning,environmentoftesting,specimenalignment,loadingprocedure,andspeedoftesting.1.1Thistestmethodcoversthedeterminationofcompressivestrengthandmodulusofsandwichcores.Thesepropertiesareusuallydeterminedfordesignpurposesinadirectionnormaltotheplaneoffacingsasthecorewouldbeplacedinastructuralsandwichconstruction.Thetestprocedurespertaintocompressioninthisdirectioninparticular,butalsocanbeappliedwithpossibleminorvariationstodeterminingcompressivepropertiesinotherdirections.Permissiblecorematerialformsincludethosewithcontinuousbondingsurfaces(suchasbalsawoodandfoams)aswellasthosewithdiscontinuousbondingsurfaces(suchashoneycomb).1.2Thistestmethoddoesnotcoverthedeterminationofcompressivecorecrushproperties.ReferenceTestMethodD7336/D7336Mfordeterminationofstaticenergyabsorptionpropertiesofhoneycombsandwichcorematerials.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3.1Withinthetexttheinch-poundunitsareshowninbrackets.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:83_120
【页数】:8P.;A4
【正文语种】:
【英文标准名称】:Sensoryanalysis;vocabulary
【原文标准名称】:感官分析词汇两种语言版
【标准号】:ISO5492-1992
【标准状态】:作废
【国别】:国际
【发布日期】:1992-01
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC34
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;词汇;农产品;感官分析(食品);感官分析;食品
【英文主题词】:Agriculturalproducts;Definition;Definitions;Foodproducts;Sensoryanalysis;Sensoryanalysis(food);Vocabulary
【摘要】:GivestermsanddefinitionsinEnglishandFrenchaswellasindexesinEnglishandFrench.
【中国标准分类号】:X04
【国际标准分类号】:01_040_67;67_240
【页数】:22P;A4
【正文语种】:英语
