DIN EN ISO 7751-2011 橡胶和塑料软管及软管组件.试验压力和爆破压力与最大工作压力的比值(ISO7751-1991+修改件1-2011).德文版ENISO7751-1997+A1-2011
作者:标准资料网 时间:2024-05-29 13:24:39 浏览:8203
来源:标准资料网
【英文标准名称】:Rubberandplasticshosesandhoseassemblies-Ratiosofproofandburstpressuretomaximumworkingpressure(ISO7751:1991+Amd.1:2011);GermanversionENISO7751:1997+A1:2011
【原文标准名称】:橡胶和塑料软管及软管组件.试验压力和爆破压力与最大工作压力的比值(ISO7751-1991+修改件1-2011).德文版ENISO7751-1997+A1-2011
【标准号】:DINENISO7751-2011
【标准状态】:现行
【国别】:德国
【发布日期】:2011-12
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Burstingpressures;Burstingstrength;Flexiblepipes;High-pressuretests;Hoseassemblies;Hoses;Operatingmode;Plastics;Plasticshose;Plasticsproducts;Ratioquantity;Ratiovalues;Rubberhoses;Rubberproducts;Testpressure;Testing;Workingpressures
【摘要】:
【中国标准分类号】:G33
【国际标准分类号】:23_040_70
【页数】:8P;A4
【正文语种】:德语
【英文标准名称】:Opticalfibrecables-Part1-1:Genericspecification-General(IEC60794-1-1:2011);GermanversionEN60794-1-1:2011
【原文标准名称】:光纤电缆.第1-1部分:总规范.总则
【标准号】:DINEN60794-1-1-2012
【标准状态】:现行
【国别】:德国
【发布日期】:2012-06-01
【实施或试行日期】:2012-06-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【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;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】:17P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforMeasuringtheTransmittedandStoredEnergyofFirefighterProtectiveClothingSystems
【原文标准名称】:测定消防员防护服系统的能量传播和储存的标准试验方法
【标准号】:ASTMF2731-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:F23.80
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:firefighters;materialsystems;protectiveclothing;radiantheat;transmittedenergy;second-degreeburninjury;storedenergy
【摘要】:Firefightersareroutinelyexposedtoradiantheatinthecourseoftheirfiregroundactivities.Insomecases,firefightershavereportedburninjuriesunderclothingwherethereisnoevidenceofdamagetotheexteriororinteriorlayersofthefirefighterprotectiveclothing.Lowlevelsoftransmittedradiantenergyaloneoracombinationofthetransmittedradiantenergyandstoredenergyreleasedthroughcompressioncanbesufficienttocausethesetypesofinjuries.Thistestmethodwasdesignedtomeasureboththetransmittedandstoredenergyinfirefighterprotectiveclothingmaterialsystemsunderaspecificsetoflaboratoryexposureconditions.Theintensityofradiantheatexposureusedinthistestmethodwaschosentobeanapproximatemidpointrepresentativeofordinaryfiregroundconditionsasdefinedforstructuralfirefighting(1),(2).Thespecificradiantheatexposurewasselectedat8.5x00B1;0.5kW/m2(0.20x00B1;0.012cal/cm2-s)sincethislevelofradiantheatcanbemaintainedbythetestequipmentandproduceslittleornodamagetomostNFPA1971compliantprotectiveclothingsystems.5.2.1Discussion151;Utechdefinedordinaryfiregroundconditionsashavingairtemperaturesrangingfrom60to300x00B0;Candhavingheatfluxvaluesrangingfrom2.1to21.0kW/m2(0.05to0.5cal/cm2-s).Protectiveclothingsystemsincludethematerialsusedinthecompositestructure.Theseincludetheoutershell,moisturebarrier,andthermalbarrier.Itispossibletheywillalsoincludeothermaterialsusedonfirefighterprotectiveclothingsuchasreinforcementlayers,seams,pockets,flaps,hookandloop,straps,orreflectivetrim.Thetransmissionandstorageofheatenergyinfirefighterprotectiveclothingisaffectedbyseveralfactors.Theseincludetheeffectsofx201C;wearx201D;andx201C;usex201D;conditionsoftheprotectiveclothingsystem.Inthistestmethod,conditioningproceduresareprovidedforthelaunderingofcompositesamplespriortotesting,andalsocompositesamplemoisturepreconditioning.Theamountofmoistureaddedduringpreconditioningtypicallyfallsintoaworstcaseamountintermsofpredictedheattransfer,assuggestedbyBarker(3).Twodifferentproceduresforconductingthetestareprovidedinthistestmethod.ProcedureAinvolvesaniterativeapproachtodeterminetheminimumexposuretimefollowedbyafixed60-secondcompressiontimerequiredtopredictaseconddegreeburninjury.Inthisapproach,thelengthoftheradiantexposureisvariedsystematicallyusingaseriesofteststodeterminethelengthoftheradiantexposurethatwillresultinthepredictionofaseconddegreeburninjury.ProcedureBinvolvesusingafixedradiantheatexposuretimetodetermineifaseconddegreeburninjurywillorwillnotbepredicted.Ifaseconddegreeburninjuryispredicted,thetimetoaseconddegreeburninjuryisreported.Ifaseconddegreeburninjuryisnotpredicted,theresultisindicatedasx201C;nopredictedburn.x201D;ProcedureBinvolvesafewernumberoftests.Thisprocedureincludesrecommendedfixedradiantexposuretimes.1.1Thistestmethodprovidesproceduresformeasuringthecombinationoftransmittedandstoredenergythatoccursinfirefighterprotectiveclothingmaterialsystemsastheresultofexposuretoprolonged,relativelylowlevelsofradiantheat.1.1.1Thistestmethodappliesapre......
【中国标准分类号】:C73
【国际标准分类号】:13_340_10
【页数】:13P.;A4
【正文语种】:英语
