NF C93-540-4-2-2009 通信电缆.第4-2部分:电缆使用的一般考虑.使用指南
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【英文标准名称】:Communicationcables-Part4-2:generalconsiderationsfortheuseofcables-Guidetouse.
【原文标准名称】:通信电缆.第4-2部分:电缆使用的一般考虑.使用指南
【标准号】:NFC93-540-4-2-2009
【标准状态】:现行
【国别】:法国
【发布日期】:2009-01-01
【实施或试行日期】:2009-01-24
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:应用;电缆分布点;电缆敷设;电缆;布线;同轴电缆;通信电缆;通信技术;铜电缆;铜导线;数据通信;电气工程;电气装置;电磁特性;软电缆;指导手册;信息技术;装置;安装;光学的;管;电力电缆;刚性电缆;选择;屏蔽的;火焰表面传播;对称的;通信;干线;双绞线;非屏蔽的;使用
【英文主题词】:Applications;Cabledistributingpoints;Cablelaying;Cables;Cabling;Coaxialcables;Communicationcables;Communicationtechnology;Coppercable;Copperconductors;Datacommunication;Electricalengineering;Electricalinstallations;Electromagneticproperties;Flexiblecables;Guidebooks;Informationtechnology;Installations;Optical;Pipes;Powercables;Rigidcables;Selection;Shielded;Surfacespreadofflame;Symmetrical;Telecommunication;Telecommunications;Trunking;Twistedpairs;Unscreened;Use
【摘要】:
【中国标准分类号】:K13
【国际标准分类号】:33_120_10
【页数】:39P;A4
【正文语种】:其他
【英文标准名称】:Evaluationofhumanexposuretoelectromagneticfieldsfromshortrangedevices(SRDs)invariousapplicationsoverthefrequencyrange0GHzto300GHz-Fieldsproducedbydevicesusedforelectronicarticlesurveillance,radiofrequencyidentificationa
【原文标准名称】:人体暴露在频率范围为0GHz～300GHz的各种设备中短程装置(SRDs)产生的电磁场的评估.电子产品监测、无线电频率鉴定和类似系统用装置产生的电磁场
【标准号】:BSEN62369-1-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-04-30
【实施或试行日期】:2009-04-30
【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】:音频设备;定义;电场;电气工程;电磁场;电子仪器;场强(电);影响;极限(数学);低频;磁场;数学计算;测量;测量技术;医学科学;近场;近场测量值;人;射频识别;无线电频率识别;射频;无线电定位;RFID;监督(认可)
【英文主题词】:Audioequipment;Definitions;Electricfields;Electricalengineering;Electromagneticfields;Electronicinstruments;Fieldstrength(electric);Influences;Limits(mathematics);Lowfrequencies;Magneticfields;Mathematicalcalculations;Measurement;Measuringtechniques;Medicalsciences;Nearfield;Nearfieldmeasuringvalue;People;RadioFrequencyIdentification;Radiofrequencyidentifications;Radiofrequencies;Radiolocation;RFID;Surveillance(approval)
【摘要】:ThispartofIEC62369presentsproceduresfortheevaluationofhumanexposuretoelectromagneticfields(EMFs)fromdevicesusedinelectronicarticlesurveillance(EAS),radiofrequencyidentification(RFID)andsimilarapplications.Itadoptsastagedapproachtofacilitatecomplianceassessment.Thefirststage(Stage1)isasimplemeasurementagainsttheappropriatederivedreferencevalues.Stage2isamorecomplexseriesofmeasurementsorcalculations,coupledwithanalysistechniques.Stage3requiresdetailedmodellingandanalysisforcomparisonwiththebasicrestrictions.Whenassessinganydevice,themostappropriatemethodfortheexposuresituationmaybeused.AtthetimeofwritingthisInternationalStandard,electronicarticlesurveillance,radiofrequencyidentificationandsimilarsystemsdonotnormallyoperateatfrequenciesbelow1Hzorabove10GHz.EMFexposureguidelinesandstandardscancoverawiderrangeoffrequencies,soclarificationontherequiredrangeisincludedaspartoftheevaluationprocedures.Thedevicescoveredbythisdocumentnormallyhavenon-uniformfieldpatterns.Oftenthesedeviceshaveaveryrapidreductionoffieldstrengthwithdistanceandoperateundernearfieldconditionswheretherelationshipbetweenelectricandmagneticfieldsisnotconstant.This,togetherwithtypicalexposureconditionsfordifferentdevicetypes,isdetailedinAnnexA.AnnexBcontainscomprehensiveinformationtoassistwithnumericalmodellingoftheexposuresituation.Itincludesbothhomogeneousandanatomicalmodelsaswellastheelectricalpropertiesoftissue.ThisInternationalStandarddoesnotincludelimits.Limitscanbeobtainedfromseparatelypublishedhumanexposureguidelines.Differentguidelinesandlimitvaluesmayapplyindifferentregions.Linkedintotheguidelinesareusuallymethodsforsummationacrosswiderfrequencyrangesandformultipleexposuresources.Theseshallbeused.AsimplifiedmethodforsummationofmultiplesourcesiscontainedinAnnexC.Thishastobeusedwithcareasitissimplisticandwilloverestimatetheexposure;howeveritisusefulasaguide,whentheresultsofdifferentevaluationsareindifferentunitsofmeasurewhicharenotcompatible.Differentcountriesandregionshavedifferentguidelinesforhandlingtheuncertaintiesfromtheevaluation.AnnexDprovidesinformationonthetwomostcommonmethods.Abibliographyattheendofthisstandardprovidesgeneralinformationaswellasusefullinformationforthemeasurementofelectromagneticfields.See[1],[2],[3],[4],[5],[6]1).Similarnationalorinternationalstandardsmaybeusedasanalternative.
【中国标准分类号】:A58
【国际标准分类号】:17_240;13_28033_100_01
【页数】:76P.;A4
【正文语种】:英语
【英文标准名称】:Mechanicalpresses-Safety;GermanversionEN692:1996
【原文标准名称】:机械压力.安全性
【标准号】:DINEN692-1996
【标准状态】:作废
【国别】:德国
【发布日期】:1996-08
【实施或试行日期】:1996-08-01
【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】:安全设计;规范(验收);监督(认可);安全;振动;金属加工;机床;力学;设计;压力机;职业安全;安全装置;保护措施;工作场所安全;保护设备;安全要求;机器保护装置;监视装置
【英文主题词】:Accidentprevention;Design;Interlockingandsequencingsystems;Machineguards;Machinetools;Marking;Mechanic;Metalworking;Monitoringdevice;Occupationalsafety;Presses;Protectiondevices;Protectivemeasures;Safety;Safetycomponents;Safetydesign;Safetydevices;Safetymeasures;Safetyrequirements;Specification(approval);Surveillance(approval);Vibration;Workplacesafety
【摘要】:
【中国标准分类号】:J04
【国际标准分类号】:25_120_10
【页数】:68P.;A4
【正文语种】:德语