NF C71-111/A4-1982 C71-111-82的补充4
作者:标准资料网 时间:2024-05-23 17:17:14 浏览:9757
来源:标准资料网
【英文标准名称】:
【原文标准名称】:C71-111-82的补充4
【标准号】:NFC71-111/A4-1982
【标准状态】:现行
【国别】:法国
【发布日期】:1982-12
【实施或试行日期】:1982-11-17
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸;定义;试验;燃烧试验;电阻率;固体绝缘材料;热试验;薄板材;塑料;抗拉强度;尺寸变化;尺寸稳定性;卷绕试验;缠绕试验;介电强度;塑料薄膜;焙烧试验;规范;电容率;绝缘膜;加标签加标签
【英文主题词】:
【摘要】:
【中国标准分类号】:K71
【国际标准分类号】:29_140_40
【页数】:10P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforDensityofSandwichCoreMaterials
【原文标准名称】:夹层结构建筑物用芯材密度的试验方法
【标准号】:ASTMC271/C271M-2005
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:
【英文主题词】:core;density;sandwich
【摘要】:Densityisafundamentalphysicalpropertythatcanbeusedinconjunctionwithotherpropertiestocharacterizethesandwichcore.Mostsandwichcorestructuralproperties,suchasstrengthandstiffness,areproportionaltothedensity.Thistestmethodprovidesastandardmethodofobtainingsandwichcoredensitydatafordesignproperties,materialspecifications,researchanddevelopmentapplications,andqualityassurance.Factorsthatinfluencethedensityandshallthereforebereportedincludethefollowing:corematerial,methodsofmaterialfabrication,coregeometry(nominalcellsize),specimengeometry,specimenpreparation,methodsofweightanddimensionalmeasurement,specimenconditioning,andmoisturecontentduringweightanddimensionalmeasurements.1.1Thistestmethodcoversthedeterminationofthedensityofsandwichconstructioncorematerials.Permissiblecorematerialformsincludethosewithcontinuousbondingsurfaces(suchasbalsawoodandfoams)aswellasthosewithdiscontinuousbondingsurfaces(suchashoneycomb).1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetexttheinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q23
【国际标准分类号】:83_120
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:Reciprocatinginternalcombustionengines-Exhaustemissionmeasurement-Part5:Testfuels
【原文标准名称】:往复式内燃机.排气污染测定.第5部分:燃料试验
【标准号】:ISO8178-5-1997
【标准状态】:作废
【国别】:国际
【发布日期】:1997-08
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC70
【标准类型】:()
【标准水平】:()
【中文主题词】:试验要求;内燃机;定义;排气;试验流体;排气测量;燃料;往复式发动机;发射值;机动车燃料
【英文主题词】:Automotivefuels;Definition;Definitions;Dieselfuels;Emission;Emissionmeasurement;Emissionvalues;Engineconstruction;Exhaustgases;Exhaustmeasurement;Exhaustmeter;Flasks;Fuels;Gaseous;Gases;Gasoline;Internalcombustionengines;Liftingcylinders;Liquefiedpetroleumgas;Mathematicalcalculations;Measurement;Measuringtechniques;Mechanicalengineering;Motors;Operationallocation;Reciprocatingengines;Reciprocatinginternalcombustionengines;Referencefuel;Specification;Testspecifications;Testingfluids
【摘要】:ThispartofISO8178specifiesfuelswhoseuseisrecommendedforperformingtheexhaustemissiontestcyclesgiveninISO8178-4.NOTE—SincefuelpropertiesvarywidelyfromcountrytocountryabroadrangeofdifferentfuelsislistedinthispartofISO8178—bothreferencefuelsandcommercialfuels.ThispartofISO8178isapplicabletoreciprocatinginternalcombustionenginesformobile,transportableandstationaryinstallationsexcludingenginesformotorvehiclesprimarilydesignedforroaduse.ThispartofISO8178maybeappliedtoenginesusede.g.onearth-movingmachines,generatingsetsandforotherapplications.Referencefuelsareusuallyrepresentativeofspecificcommercialfuelsbutwithconsiderablytighterspecifications.TheiruseisprimarilyrecommendedfortestbedmeasurementsdescribedinISO8178-1.Formeasurementstypicallyatsitewhereemissionswithcommercialfuels,whetherlistedornotinthispartofISO8178aretobedetermined,uniformanalyticaldatasheets(seeclause5)arerecommendedforthedeterminationofthefuelpropertiestobedeclaredwiththeexhaustemissionresults.
【中国标准分类号】:J90
【国际标准分类号】:13_040_40;27_020
【页数】:30P;A4
【正文语种】:英语
