【英文标准名称】:Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part2:Abstracttestsuitespecification(ISO/IEC9646-2:1994);EnglishversionENISO/IEC9646-2:1996
【原文标准名称】:信息技术.开式系统互连.一致性检验的方法.第2部分:抽象检验系列的规范
【标准号】:DINENISO/IEC9646-2-1998
【标准状态】:作废
【国别】:德国
【发布日期】:1998-01
【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】:电信;试验;开放系统互连;信息交换;规范(验收);合格试验;定义;信息技术;综合服务数字网络;记录
【英文主题词】:specification(approval);records;telecommunications;isdn;osi;conformitytesting;definitions;informationtechnology;testing;informationinterchange
【摘要】:
【中国标准分类号】:L79
【国际标准分类号】:35_100_01
【页数】:47P;A4
【正文语种】:德语


【英文标准名称】:Explosiveatmospheres-Explosionpreventionandprotection-Basicconceptsandmethodology
【原文标准名称】:爆炸性环境.防爆和防护.基本概念和方法
【标准号】:BSEN1127-1-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-01-15
【实施或试行日期】:1998-01-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:通风;危害;爆炸性环境;电流;手工工具;设计;电火花;表面;电气安全;防火安全;防护电气设备;分类系统;安全措施;风险评估;电磁辐射;危险场所分类(电气设备用);火焰;爆炸;着火性;超声波学;化学危害;火灾危险;煤气;粒状材料;静电学;闪电;点火;气体;使用说明;电离辐射;控制设备;作标记;尘埃;阻火器;高频
【英文主题词】:Accidentprevention;Definition;Definitions;Evaluations;Explosionhazard;Explosionprotection;Explosionzone;Explosions;Explosiveatmospheres;Fire;Firesafety;Flammableatmospheres;Hazards;Machines;Occupationalsafety;Preventiveactions;Protection;Protectivemeasures;Risk;Riskarea;Safety;Safetycomponents;Safetyengineering;Safetyrequirements;Specification(approval);Userinformation;Workplacesafety
【摘要】:ThisEuropeanStandardspecifiesmethodsfortheidentificationandassessmentofhazardoussituationsleadingtoexplosionandthedesignandconstructionmeasuresappropriatefortherequiredsafety.Thisisachievedby:-hazardidentification;-riskassessment;-eliminationorminimizationofrisk;-informationforuse.Thesafetyofequipment,protectivesystemsandcomponentscanbeachieved,asdescribedin5.7ofEN414:1992,byremovalofhazardsand/orlimitingtherisk,i.e.a)bydesignwithoutusingsafeguarding;b)bysafeguarding;c)bycommunicationlinks,ifnecessary,toconveyinformationtotheuser,d)byanyotherprecautions.NOTE.The'design'inaccordancewith5.7ofEN414:1992shouldnotbeconfusedwiththe'design'inaccordancewith6.5ofthisstandard.Measuresinaccordancewitha)(prevention)andb)(protection)againstexplosionsaredealtwithinclause6ofthisstandard,measuresaccordingtoc)againstexplosionsaredealtwithinclause7ofthisstandard.Measuresinaccordancewithd)arenotdescribedinthisstandard.Theyaredealtwithinclause6ofEN292-2:1991.Thepreventiveandprotectivemeasuresdescribedinthisstandardwillnotprovidetherequiredlevelofsafetyunlesstheequipment,protectivesystemsandcomponentsareoperatedwithintheirintendeduseandareinstalledandmaintainedaccordingtotherelevantcodesofpracticeorrequirements.Thisstandardspecifiesgeneraldesignandconstructionmethodstohelpdesignersandmanufacturersinachievingexplosionsafetyinthedesignofequipment,protectivesystemsandcomponents.Thisstandardisapplicabletoanyequipment,protectivesystemsandcomponentsintendedtobeusedinpotentiallyexplosiveatmospheres.Theseatmospherescanarisefromflammablematerialsprocessed,usedorreleasedbytheequipment,protectivesystemsandcomponentsorfrommaterialsinthevicinityoftheequipment,protectivesystemsandcomponentsand/orfromthematerialsofconstructionoftheequipment,protectivesystemsandcomponents.Thisstandardisapplicabletoequipment,protectivesystemsandcomponentsatallstagesoftheiruse.ThisstandardisonlyapplicabletoequipmentgroupⅡwhichisintendedforuseinotherplacesthanundergroundpartsofminesandthosepartsofsurfaceinstallationsofsuchminesendangeredbyfiredampand/orflammabledust.Thisstandardisnotapplicableto:-medicaldevicesintendedforuseinamedicalenvironment;-equipment,protectivesystemsandcomponentswheretheexplosionhazardresultsexclusivelyfromthepresenceofexplosivesubstancesorunstablechemicalsubstances;-equipment,protectivesystemsandcomponentswheretheexplosioncanoccurbyreactionofsubstanceswithotheroxidizersthanatmosphericoxygenorbyotherhazardousreactionsorbyotherthanatmosphericconditions;-equipmentintendedforuseindomesticandnon-commercialenvironmentswherepotentiallyexplosiveatmospheresmayonlyrarelybecreated,solelyasaresultoftheaccidentalleakageoffuelgas;-personalprotectiveequipmentcoveredbyDirective89/686/EEC;-seagoingvesselsandmobileoffshoreunitstogetherwithequipmentonboardsuchvesselsorunits;-meansoftransport,i.e.vehiclesandtheirtrailersintendedsolelyfortransportingpassengersbyairorbyroad,railorwaternetworks,aswellasmeansoftransportinsofarassuchmeansaredesignedfortransportinggoodsbyair,bypublicroadorrailnetworksorbywater.Vehiclesintendedforuseinapotentiallyexplosiveatmosphereshallnotbeexcluded;-thedesignandconstructionofsystemscontainingdesired,controlledcombustionprocesses,unlesstheycanactasignitionsourcesinpotentiallyexplosiveatmospheres.
【中国标准分类号】:C67
【国际标准分类号】:13_110;13_230
【页数】:38P.;A4
【正文语种】:英语