NF M41-001-1979 液化石油气.取样方法

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【英文标准名称】:Acoustics-Determinationofsoundimmissionfromsoundsourcesplacedclosetotheear-Techniqueusingamanikin
【原文标准名称】:声学.测定近耳声源的声发射.利用人体模型的技术
【标准号】:BSENISO11904-2-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-11-18
【实施或试行日期】:2004-11-18
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:2)unresolvedoverlapofmolecularbandspectra;theseeffectscanpossiblybeovercomebyselectionofanalternativewavelength.
【中国标准分类号】:A42
【国际标准分类号】:17_140_01
【页数】:28P;A4
【正文语种】:英语


【英文标准名称】:Explosiveatmospheres-Electricalinstallationsinspectionandmaintenance
【原文标准名称】:爆燃性环境.电气装置检视和维护
【标准号】:BSEN60079-17-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-10-31
【实施或试行日期】:2007-10-31
【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】:气塞;气塞(流体流动);控制图;定义;电气工程;电气设备;电气装置;电驱动装置;环境条件;设备;防爆;爆炸性环境;可燃性环境;气体环境;气爆;气体;危险场所分类(电气设备用);检验;原有安全度;维修;保护气体;安全;安全工程;规范(验收);测试;d型防护电气设备;e型防护电气设备;i型防护电气设备;iD型防护电气设备;m型防护电气设备;mD型防护电气设备;n型防护电气设备;o型防护电气设备;保护形式;p型防护电气设备;q型防护电气设备;tD型防护电气设备
【英文主题词】:Airlocks;Airlocks(fluidflow);Controlcharts;Definition;Electricalengineering;Electricalequipment;Electricalinstallations;Electrically-operateddevices;Environmentalcondition;Equipment;Explosionprotection;Explosiveatmospheres;Flammableatmospheres;Gasatmosphere;Gasexplosion;Gases;Hazardousareasclassification(forelectricalequipment);Inspection;Intrinsicsafety;Maintenance;Protectivegases;Safety;Safetyengineering;Specification(approval);Testing;Typedprotectedelectricalequipment;Typeeprotectedelectricalequipment;Typeiprotectedelectricalequipment;TypeiDprotectedelectricalequipment;Typemprotectedelectricalequipment;TypemDprotectedelectricalequipment;Typenprotectedelectricalequipment;Typeoprotectedelectricalequipment;Typeofprotection;Typepprotectedelectricalequipment;Typeqprotectedelectricalequipment;TypetDprotectedelectricalequipment
【摘要】:ThispartofIEC60079appliestousersandcoversfactorsdirectlyrelatedtotheinspectionandmaintenanceofelectricalinstallationswithinhazardousareasonly,wherethehazardmaybecausedbyflammablegases,vapours,mists,dusts,fibresorflyings.Itdoesnotinclude:otherfundamentalinstallationandinspectionrequirementsforelectricalinstallations;theverificationofelectricalequipment;therepairandreclamationofexplosionprotectedequipment(seeIEC60079-19).ThisstandardsupplementstherequirementsofIEC60364-6.Inthecaseofdusts,fibresorflyingsthelevelofhousekeepingmayinfluencetheinspectionandmaintenancerequirements.Thisstandardisintendedtobeappliedwheretherecanbeariskduetothepresenceofexplosivegasordustmixtureswithairorcombustibledustlayersundernormalatmosphericconditions.Itdoesnotapplytoundergroundminingareas,areaswhereariskcanariseduetothepresenceofhybridmixtures,dustsofexplosivesthatdonotrequireatmosphericoxygenforcombustion,pyrophoricsubstances.
【中国标准分类号】:K35
【国际标准分类号】:29_260_20
【页数】:40P.;A4
【正文语种】:英语