ANSI/EIA/TIA 250-C-1990 电视传输系统的电气性能标准.注:1990-01-04批准
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来源:标准资料网
【英文标准名称】:ElectricalPerformanceStandardforTelevisionTransmissionSystems/Note:Approved1990-01-04
【原文标准名称】:电视传输系统的电气性能标准.注:1990-01-04批准
【标准号】:ANSI/EIA/TIA250-C-1990
【标准状态】:现行
【国别】:美国
【发布日期】:
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【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】:M61
【国际标准分类号】:33_170
【页数】:
【正文语种】:英语
【英文标准名称】:Reciprocatinginternalcombustionengines-Safetyrequirementsfordesignandconstructionofenginesforuseinpotentiallyexplosiveatmospheres-GroupIIenginesforuseinflammablegasandvapouratmospheres
【原文标准名称】:往复式内燃发动机.用在潜在爆炸性环境下发动机结构和设计用安全要求.用于可燃气体和蒸气环境的II组发动机
【标准号】:BSEN1834-1-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-04-15
【实施或试行日期】:2000-04-15
【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】:建筑工程;定义;设计;发动机结构;爆炸性环境;可燃性环境;大气;危害;内燃机;机械工程;电动机;往复式发动机;往复式内燃机;安全;安全要求
【英文主题词】:Constructions;Definition;Definitions;Design;Engineconstruction;Explosiveatmospheres;Flammableatmospheres;Gasatmosphere;Hazards;Internalcombustionengines;Mechanicalengineering;Motors;Reciprocatingengines;Reciprocatinginternalcombustionengines;Safety;Safetyrequirements
【摘要】:ThisEuropeanStandardspecifiesthesafetyrequirementsand/ormeasurestoremovethehazardsandlimittherisksonreciprocatinginternalcombustioncompressionignitionengineshereinafterreferredtoas'engines'ofgroupⅡcategories2and3foruseinpotentiallyexplosiveatmospheresofflammablegasandvapour.ThisEuropeanStandarddoesnotapplytoflammablegasandvapouratmospherescontainingcarbondisulphide(CS2).ThisEuropeanStandarddoesnotdefinerequirementsrelatingtothedrivenmachinery.Theserequirementscanbefoundintheappropriateapplicationstandards.ThisEuropeanstandarddoesnotapplytoenginesusedinpremisesfortheprocessingmanufactureorstorageofexplosives.ThesafetyrequirementsforenginesforuseinpotentiallyexplosiveatmospheresforundergroundapplicationsaregiveninEN1834-2:2000.ThesafetyrequirementsforenginesforusedinexplosiveatmosphereswithcombustibledustaregiveninEN1834-3:2000.ThisEuropeanStandarddoesnotapplytosparkignitionengines.Thehazardsapplicablearelistedinclause4andrelatetotheadditionalhazardsofoperationinanatmospherethatmaybecomeexplosive.Thetestswhichtheengineanditsancillaryfittingsarerequiredtoundergotoverifycompliancewiththisspecificationaredetailedinthisstandard.Generalsafetyrequirementsi.e.thosecommontoallRICengines,arecoveredinEN1679-1:1998.ThisEuropeanStandardisapplicabletoengineswhicharemanufacturedafterthedateofissueofthisstandard.
【中国标准分类号】:J90
【国际标准分类号】:13_230;27_020
【页数】:40P;A4
【正文语种】:英语