NF C93-406-2-104-2009 电子设备用连接器.产品要求.第2-104部分:圆形连接器.M8螺纹锁紧或弹簧锁紧的圆形连接器用详细规范

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下一篇: NF E17-901-5-2009 仪表和仪表远程读数用通信系统.第5部分:无线继电器

【英文标准名称】:FixedRadioSystems-Point-to-pointequipment-HighcapacitydigitalradiosystemscarryingSDHsignals(2×STM-1)infrequencybandswithabout30MHzchannelspacingandusingCo-ChannelDualPolarized(CCDP)operation(EndorsementoftheEnglishve
【原文标准名称】:固定无线电系统.点对点设备.使用同波道双极化(CCDP)操作的有大约30MHz信道空间的频带中承载SDH信号(2PSTM-1)的高容量数字无线电系统
【标准号】:DINEN301127-2001
【标准状态】:作废
【国别】:德国
【发布日期】:2001-03
【实施或试行日期】:
【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】:无线电工程;规范(验收);远程通信;设备;电气工程;无线电设备;无线通信业务;电信;频带;传输技术;容量;数字信号;信号
【英文主题词】:digitalsignals;telecommunication;equipment;capacity;bandoffrequencies;telecommunications;signals;electricalengineering;transmissiontechnique;specification(approval);radioengineering;radioequip
【摘要】:
【中国标准分类号】:M36
【国际标准分类号】:33_060_30
【页数】:1P;A4
【正文语种】:德语


【英文标准名称】:Hand-heldnon-electricpowertools-Noisemeasurementcode-Engineeringmethod(grade2)
【原文标准名称】:手持非电动工具.噪声测量代码.工程法(2级)
【标准号】:ISO15744-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-03
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC118
【标准类型】:()
【标准水平】:()
【中文主题词】:噪声辐射;测量;精密度;测定;噪声;普通控制系统;噪声测量;声压级;机器;声学;代码;定义
【英文主题词】:Acousticmeasurement;Acoustics;Airbornenoise;Airbornenoiseemitted;Airbornesound;Classification;Codes;Compressedair;Compressed-airtools;Definitions;Determination;Emission;Emissionmeasurement;Envelopingsurfacemethods;Externalnoise;Hammers;Handling;Installations;Interpretations;Liftingequipment;Loading;Logsheets;Machinetools;Machines;Measurement;Measurementconditions;Measurementofairbornenoise;Measuringdistances;Measuringenvironment;Measuringincertainity;Measuringinstruments;Measuringobjects;Measuringresults;Measuringsurfaces;Measuringtechniques;Mechanicalengineering;Methods;Methodsofcalculation;Motors;Noise;Noiseemissions;Noise(environmental);Noisemeasurements;Non-electrical;Nutrunners;Operatingconditions;Operatingstations;Operators;Oscillating;Pedestrian-controlledsystems;Pneumaticequipment;Pneumatictools;Powerconsumption;Precision;Safety;Safetyofmachinery;Sand;Soundintensity;Soundlevel;Soundlevels;Soundpressure;Soundpressurelevel;Specification(approval);Steels;Testreport;Testingconditions;Tools;Vulcanizedrubber;Wasteair;Workingplaces
【摘要】:ThisInternationalStandardspecifiesmethodsforthemeasurement,determinationanddeclarationofthenoiseemissionfromhand-heldnon-electricpowertools.Itprescribestheloadingandworkingconditionsunderwhichcanbedetermineda)thenoiseemission,underspecifiedloadconditions,expressedasthesoundpowerlevel,andb)theemissionsoundpressurelevelattheworkstationunderspecifiedloadconditions.ThisInternationalStandardisapplicabletotypicalhand-heldnon-electricpowertoolsincludingrotarytools,orbitalandrandomorbitalsanders,rotaryandnon-rotaryreciprocatingandpercussivetoolsandavarietyofassemblytools.Itisnotapplicabletocartridge-operatedtools,fastenerdrivingtools(e.g.nailers,staplers)oranytoolpoweredbyaninternalcombustionengine,norisitapplicabletobreakersorotherpowertoolswhich,whenplacedonthemarket,arerequiredtomeettheprovisionsoflegislationspecifyingtestmethodsandimposinglimitsonnoiseemissionfrom,forexample,equipmentusedoutdoors.NOTEThisnoisemeasurementcodecouldalsobeappliedtootherequipmentsuchaswinches,pneumaticmotors,auto-feeddrillsandtappers,pumps,hydraulicmotorsandscrewfeedsystems,providedtheirprinciplesofoperationwereinaccordancewiththoseofpneumaticandhydraulicequipment.
【中国标准分类号】:J47
【国际标准分类号】:17_140_20;25_140_01
【页数】:24P;A4
【正文语种】:英语