【英文标准名称】:Methodsofmeasurementforequipmentusedindigitalmicrowaveradiotransmissionsystems-Part2:Measurementonterrestrialradiorelay-systems-Section5:Digitalsignalprocessingsub-system(IEC60835-2-5:1993);GermanversionEN60835-2-5:1995
【原文标准名称】:数字微波无线电传输系统设备的测量方法.第2部分:地面无线电中继系统.第5节:数字信号处理子系统
【标准号】:EN60835-2-5-1995
【标准状态】:现行
【国别】:
【发布日期】:1995-04
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电信;数字工程;子系统;微波链路;无线电中继系统;信号处理;传播技术;无线电电路;传输系统;陆地的;电气工程;测量技术;无线电装置;数字信号;无线电工程;额定值
【英文主题词】:Communicationtechnology;Digitalengineering;Digitalsignals;Electricalengineering;Measuringtechniques;Microwavelinks;Radiocircuits;Radioengineering;Radioequipment;Radioplants;Radiosystems;Radio-relaysystems;Ratings;Signalprocessing;Subsystems;Telecommunication;Terrestrial;Transmissionsystems
【摘要】:
【中国标准分类号】:M34
【国际标准分类号】:33_060_30
【页数】:13P.;A4
【正文语种】:英语


【英文标准名称】:Coredrillingmachinesonastand-Safety
【原文标准名称】:立式岩心钻机.安全性
【标准号】:BSEN12348-2000+A1-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2000-09-15
【实施或试行日期】:2000-09-15
【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】:事故预防;解剖结构;建筑设备;容器;空心钻;切削;定义;文件;钻床;电气设备;电气安全性;架设(施工作业);火灾;火灾危害;火灾危险;手柄;危害;热;加热;门窗过梁;机床;机械;作标记;机械卷边连接;噪声(环境的);操作;操作说明书;支柱钻床;危险防护;安全性;安全工程;安全性要求;剪切;滑动;声音;表面;温度;可移动的;工作场所安全性
【英文主题词】:Accidentprevention;Anatomicalconfigurations;Buildingimplements;Containers;Coredrills;Cutting;Definitions;Documentations;Drillingmachines;Electricalequipment;Electricalsafety;Erecting(constructionoperation);Fire;Firehazards;Firerisks;Handles;Hazards;Heat;Heating;Lintels;Machinetools;Machines;Marking;Mechanicalcrimping;Noise(environmental);Operation;Operationalinstructions;Pillardrillingmachines;Protectionagainstdanger;Safety;Safetyengineering;Safetyrequirements;Shearing;Slipping;Sound;Surfaces;Temperature;Transportable;Workplacesafety
【摘要】:ThisEuropeanStandardappliestocoredrillingmachinesontransportablestandsequippedwithadiamondcoredrillbit,usuallywithawatersupplyconnectiondevice,andintendedtodrillholesintostone,concreteandsimilarmineralmaterialsinastationarypositionwherethepowerforthetoolrotationissuppliedbyanelectrical,hydraulic,pneumaticorinternalcombustionprimemotor.Thefeedmovementofthedrillheadandcoredrillbitmaybeeffectedbymanual,mechanicalorhydraulicmeans.ThisEuropeanStandarddealswithallsignificanthazardspertinenttocoredrillingmachinesonastandwhenusedasintendedandundertheconditionsforeseenbythemanufacturer(seeclause4).Thisstandardspecifiestheappropriatetechnicalmeasurestoeliminateorreducerisksarisingfromthesignificanthazards.Thisstandarddoesnotapplyto:?percussiveorrotary-percussiverockdrillseithermountedorunmounted;?handheldpowerdrills;?hydraulicorpneumaticpowersupplysources;?mobileundercarriagestowhichmachinescanbefitted.ThisEuropeanStandarddoesnotapplytomachinerycoveredbyEN791:1995.ThisEuropeanStandardcoverselectricalhazardsbymakingreferencetorelevantEuropeanStandards(see5.2).Thosehazardsthatarerelevantforallmechanical,electrical,hydraulicandotherequipmentofmachineryandthataredealtwithinstandardsforcommonusearenotcoveredbythisEuropeanStandard.Referencetopertinentstandardsofthiskindismadewheresuchstandardsareapplicableandsofarasisnecessary.InthisEuropeanStandard,coredrillingmachinesonastandarecalled"machines"anddiamondcoredrillbitsarecalled“tools”.NOTETheterm"diamond"isusedasagenericwordwhichcoversallvarietiesofabrasiveproductssuchasdiamond,borumnitride.ThisEuropeanStandardappliesprimarilytomachineswhicharemanufacturedafterthedateofapprovalofthestandardbyCEN.
【中国标准分类号】:J54
【国际标准分类号】:25_080_40
【页数】:34P.;A4
【正文语种】:英语