NF S76-035-1998 呼吸保护装置.装有全面罩、半面罩或四分之一面罩的动力辅助过滤装置.要求、试验、标记
时间:2024-05-07 12:17:26 来源: 标准资料网 作者：标准资料网 阅读：8157
【英文标准名称】:Respiratoryprotectivedevices.Powerassistedfilteringdevicesincorporatingfullfacemasks,halfmasksorquartermasks.Requirements,testing,marking.
【原文标准名称】:呼吸保护装置.装有全面罩、半面罩或四分之一面罩的动力辅助过滤装置.要求、试验、标记
【标准号】:NFS76-035-1998
【标准状态】:现行
【国别】:法国
【发布日期】:1998-12-01
【实施或试行日期】:1998-12-20
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:C85;C73
【国际标准分类号】:13_340_30
【页数】:52P;A4
【正文语种】:其他
【英文标准名称】:Plywood-Calculationmethodforsomemechanicalproperties;GermanversionEN14272:2011
【原文标准名称】:胶合板.某些机械性能的计算方法
【标准号】:EN14272-2011
【标准状态】:现行
【国别】:
【发布日期】:2012-03-01
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Basevalues;Boards;Bulkdensity;Calculatingmethods;Capacitiveloads;Definitions;Flexibility;Materials;Mathematicalcalculations;Mechanicalproperties;Plywood;Properties;Stiffness;Strengthofmaterials;Structuraltimber;Testing;Wood;Woodtechnology;Woodbasedsheetmaterials
【摘要】:
【中国标准分类号】:B70
【国际标准分类号】:79_060_10
【页数】:49P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforWaterRetentionofRigidThermalInsulationsFollowingPartialImmersion
【原文标准名称】:部分浸入后刚性热绝缘材料水分保持标准试验方法
【标准号】:ASTMC1134-1990(2007)e1
【标准状态】:现行
【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(US-ASTM)
【起草单位】:C16.33
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:immersion;partialimmersion;rigidthermalinsulation;waterretention;Blockandboardthermalinsulation;Immersion;Waterretention
【摘要】:Materialslessthanorequalto0.59in.(15.0mm)inthicknessshallnotbetestedinaccordancewiththistestmethodinordertoavoidcompleteimmersionofthespecimens.Thistypeofexposureisbeyondthescopeofthistestmethod.Materialsshallbetestedatbothactualproductthicknessand1.00in.(25.4mm)thicknessprovidedthematerialscanbecuttoathicknessof1.00in.(25.4mm)withoutchangingtheoriginalcharacterofthematerials.Ifaproductcannotbecutwithoutchangingtheoriginalcharacterofthematerial,thetestreportshallcontainanappropriatenotetothiseffect.Resultsshallbereportedonthebasisofequalnominalwettedspecimensurfacearea(inunitsofkilogramspersquaremetre)formaterialstestedatactualproductthicknessandonthebasisofequalspecimenvolume(inunitsofpercentbyvolume)formaterialstestedat1.00in.(25.4mm)thickness.Ifaproductcannotbecuttoathicknessof1.00in.(25.4mm)oriftheactualproductthicknessislessthan1.00in.(25.4mm)butgreaterthan0.59in.(15.0mm),theproductshallonlybetestedatactualproductthicknessandresultsonlyreportedonthebasisofequalnominalwettedspecimensurfacearea.Byreportingresultsonthebasisofequalnominalwettedspecimensurfacearea,specimensofdifferentthicknessescanbecomparedequitably.Forsomespecimens,thewaterintakeandretentionprimarilymaydependonthenominalwettedsurfaceareaavailableforwaterintake.Byreportingresultsonthebasisofequalspecimenvolume,specimenscanbecomparedequitablyusingunitsthatcommonlyareselectedtorepresentresultsofwaterintaketesting(percentbyvolume).Forsomematerials,waterintakeandretentionprimarilymaydependonthevolumeofthespecimenavailableforwaterintake.Inmostcaseswaterretentionisasecondaryperformancecharacteristicthathasaninfluenceonaprimaryperformancecharacteristic,suchasthermalperformance,surfaceaccumulationofmoisture(thatmaycontributetofungalgrowth),localizedcollectionofelectrolytes(thatmaycontributetocorrosion),etc.Dependingontheprimaryperformancecharacteristicthatisofinterest,thepreferredunitsforuseincomparingthewaterretentionofdifferentmaterialsmaybeeitherkilogramspersquaremetreorpercentbyvolume.Immersiontimesinadditiontothoserequiredbythistestmethodmaybeselectedprovidedthatallpartiesinvolvedareinagreement.Thewaterretentioncharacteristicsofmaterialsmaybeaffectedbyconditionssuchaselevatedtemperaturesorchemicalexposures.1.1Thistestmethoddeterminestheamountofwaterretained(includingsurfacewater)byrigidblockandboardthermalinsulationsusedinbuildingconstructionapplicationsafterthesematerialshavebeenpartiallyimmersedinliquidwaterforprescribedtimeintervalsunderisothermalconditions.Thistestmethodisintendedtobeusedforthecharacterizationofmaterialsinthelaboratory.Itisnotintendedtosimulateanyparticularenvironmentalconditionthatmaybeencounteredinbuildingconstructionapplications.1.2Thistestmethoddoesnotaddressallthepossiblemechanismsofwaterintakeandretentionandrelatedphenomenaforrigidthermalinsulations.Itrelatesonlytothoseconditionsoutlinedin1.1.Determinationofmoistureaccumulationinthermalinsulationsduetocompleteimmersion,watervaportransmission,internalcondensation,freeze-thawcycling,oracombinationoftheseeffectsrequiresdifferenttestprocedures.1.3Eachpartialimmersionintervalisfollowedbyabrieffree-drainageperiod.Thistestmethoddoesnotaddressorattempttoquantifythedrainagecharacteristicsofmaterials.Therefore,resultsformaterialswithdifferentinternalstructureandporosity,suchascellularmaterialsand......
【中国标准分类号】:Q25
【国际标准分类号】:27_220
【页数】:6P.;A4
【正文语种】:英语