EN ISO 6876-2002 牙科牙根管充填材料

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【英文标准名称】:Methodsoftestingdoors;testfordeformationintorsionofdoorleaves;germanversionEN129:1988
【原文标准名称】:门的检验方法.通过扭转检验门扇的变形
【标准号】:DINEN129-1990
【标准状态】:作废
【国别】:德国
【发布日期】:1990-11
【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】:门扉;建筑系统构件;门;机械试验;元部件;建筑;应变;试验
【英文主题词】:construction;testing;constructionsystemsparts;doorleaves;mechanicaltesting;components;strain;doors
【摘要】:
【中国标准分类号】:P32
【国际标准分类号】:91_060_50
【页数】:6P;A4
【正文语种】:德语


【英文标准名称】:Explosionisolationsystems;EnglishversionofDINEN15089:2009-07
【原文标准名称】:爆炸阻绝系统.英文版本DINEN15089-2009-07
【标准号】:DINEN15089-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-07
【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】:控制仪器;退耦;定义;检测;检测装置;检波器(回路);效率;擦除预防;爆炸阻绝系统;防爆;抗爆;爆炸物;爆炸性环境;火焰传播;可燃性环境;混合气体;安装;绝缘;维护;装配;保护设备;安全性工程;分离;规范(验收);系统;试验
【英文主题词】:Controlinstruments;Decoupling;Definitions;Detection;Detectiondevices;Detectors(circuits);Efficiency;Eraseprevention;Explosionisolationsystems;Explosionprotection;Explosionresistance;Explosions;Explosiveatmospheres;Flamepropagation;Flammableatmospheres;Gasmixtures;Installations;Insulations;Maintenance;Mounting;Protectiondevices;Safetyengineering;Separation;Specification(approval);Systems;Testing
【摘要】:ThisEuropeanStandarddescribesthegeneralrequirementsforexplosionisolationsystems.Anexplosionisolationsystemisaprotectivesystem,whichpreventsanexplosionpressurewaveandaflameoronlyaflamefrompropagatingviaconnectingpipesorductsintootherpartsofapparatusorplantareas.ThisEuropeanStandardspecifiesmethodsforevaluatingtheefficacyofthevariousexplosionisolationsystems,andmethodsforevaluatingdesigntoolsforsuchexplosionisolationsystemswhenapplyingtheseinpractice.ThisEuropeanStandardalsosetsoutthecriteriaforalternativetestmethodsandinterpretationmeanstovalidatetheefficacyofexplosionisolations.Itcoverse.g.:a)generalrequirementsfortheexplosionisolationcomponentsb)evaluatingtheeffectivenessofanexplosionisolationsystemc)evaluatingdesigntoolsforexplosionisolationsystemsThisEuropeanStandardisapplicableonlytotheuseofexplosionisolationsystemsthatareintendedforavoidingexplosionpropagationbetweeninterconnectedenclosures,inwhichanexplosionmayresultasaconsequenceofignitionofanexplosivemixturese.g.,dust-airmixtures,gas-(vapour-)airmixtures,dust-,gas-(vapour-)airmixturesandmists.Ingeneralexplosionisolationsystemsarenotdesignedtopreventthetransmissionoffireorburningpowdereitherofwhichcaninitiateanexplosionindownstreamplantitems.Itisnecessarytotakethissituationintoaccountinriskassessments.ThisEuropeanStandardisonlyapplicableforgasanddustexplosionsofchemicallystablesubstancesandmixturesofthese(flamepropagatingatsubsonicvelocity).ThisEuropeanStandardisnotapplicableforexplosionsofmaterialslistedbelow,orformixturescontainingsomeofthosematerials:i)chemicallyunstablesubstancesthatareliabletodecomposeii)explosivesubstancesiii)pyrotechnicsubstancesThisEuropeanStandarddoesnotcoverflamearresters.ForthesedevicesrefertoEN12874
【中国标准分类号】:C67
【国际标准分类号】:13_230
【页数】:40P.;A4
【正文语种】:英语