NF C93-430-7-71-2011 电子设备连接器.第7-71部分:数据传输频率1000MHz及以下的8路屏蔽的固定和自由连接器的详细规范

上一篇: NF C41-100-1-2011 高压试验技术.第1部分:一般定义和试验要求
下一篇: NF L55-050-058-2011 航空航天系列.白炽灯.第058部分:灯,编码1524.产品标准

【英文标准名称】:IECstandardhydrophone
【原文标准名称】:IEC标准水听器
【标准号】:IEC60500-1974
【标准状态】:现行
【国别】:国际
【发布日期】:1974
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC87
【标准类型】:()
【标准水平】:()
【中文主题词】:国际电工委员会(缩写);电气工程;声学;超声波学
【英文主题词】:Acoustics;Electricalengineering;IEC;Ultrasonics
【摘要】:Coversthedesignrequirementsofstandardpiezoelectrichydrophonesandthedatarequiredtospecifytheircharacteristics.RequirementsandcharacteristicsaregiventospecifyaninstrumentwhichissuitableasanIECstandardhydrophoneforcalibrati
【中国标准分类号】:N92;N65
【国际标准分类号】:17_140_50
【页数】:24P.;A4
【正文语种】:英语


【英文标准名称】:Refrigeratingsystemsandheatpumps-Safetyandenvironmentalrequirements-Part2:Design,construction,testing,markinganddocumentation
【原文标准名称】:制冷系统和加热泵.安全性和环境要求.第2部分:设计、制造、试验、标记和文献
【标准号】:BSEN378-2-2008+A1-2009
【标准状态】:作废
【国别】:英国
【发布日期】:2008-04-30
【实施或试行日期】:2008-04-30
【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】:事故预防;氨;分类;清洁处理;闭路的;冷藏室;燃料;压实工具;元部件;导(线)管;建筑工程;控制;冷却系统;防腐蚀;设计;文献;电驱动装置;紧急停车;紧急断开;外壳;环境要求;设备;撤离;超压;爆炸危险;防爆;防火安全;毒气警报;气体;热泵;指示;安装;绝缘件;敷设;液位;表;机房;维护;作标记;职业安全;开口;操作;臭氧;管道;厂房;污染控制;位置;压力;压力容器;生产;保护(装置);防护服装;泵;失去效用;制冷剂;制冷装置;冷冻装置;制冷;安全;安全装置;安全工程;安全要求;截止阀;规范(验收);开关柜;温度;试验;阀门;通风;换气;警报系统;水域;工作场所安全
【英文主题词】:Accidentprevention;Ammonia;Classification;Cleaning;Closed;Coldrooms;Combustible;Compactors;Components;Conduits;Constructions;Control;Coolingsystems;Corrosionprotection;Design;Documentations;Electrically-operateddevices;Emergencyshutdown;Emergency-off;Enclosures;Environmentalrequirements;Equipment;Evacuations;Excesspressures;Explosionhazard;Explosionprotection;Firesafety;Gasalarm;Gases;Heatpumps;Indications;Installations;Insulations;Laying;Liquidlevels;Lists;Machinerooms;Maintenance;Marking;Occupationalsafety;Openings;Operation;Ozone;Pipelines;Plant;Pollutioncontrol;Position;Pressure;Pressurevessels;Production;Protection;Protectiveclothing;Pumps;Putoutofaction;Refrigerants;Refrigeratingplant;Refrigeratingplants;Refrigeration;Safety;Safetydevices;Safetyengineering;Safetyrequirements;Shut-offvalves;Specification(approval);Switchcabinets;Temperature;Testing;Valves;Ventilation;Ventilations;Warningsystem;Waters;Workplacesafety
【摘要】:ThisEuropeanStandardisapplicabletothedesign,constructionandinstallingofrefrigeratingsystemsincludingpiping,componentsandmaterialsandincludingancillaryequipmentdirectlyassociatedwithsuchsystems.Italsospecifiesrequirementsfortesting,commissioning,markinganddocumentation.Incasetheheattransferfluidisnotgaseousatatmosphericpressure,therequirementsforcircuitsforheattransferfluidsareexcludedexceptforanysafetydevicesassociatedwiththerefrigeratingsystem.Itisnotapplicabletorefrigeratingsystemswithairorwaterasrefrigerantanddoesnotcovertherequirementsforequipmenttobeusedinapotentiallyexplosiveatmosphere.Thefollowingancillaryequipmentincludes:?fanandfanmotor;?electricalmotorandtransmissionforopencompressorsystems.ThisEuropeanStandardspecifiestherequirementsrelatingtostationaryandmobilerefrigeratingsystemsofallsizes,includingheatpumps.SystemsusingrefrigerantsotherthanthoselistedinAnnexEofEN378-1:2008arenotcoveredbythisstandardaslongasasafetyclassisnotassigned.BasicsafetyrequirementsforrefrigeratingsystemsasdefinedinEN378-1areapplicableforthisstandard.BasicrequirementsfortheinstallationsiteasdefinedinEN378-3apply.ThisEuropeanStandardisnotapplicabletorefrigerationsystemsandheatpumpswhicharemanufacturedbeforethedateofitspublicationasEN.
【中国标准分类号】:Q76
【国际标准分类号】:27_080;27_200
【页数】:70P.;A4
【正文语种】:英语