BS 7653-4-1993 活塞和/或柱塞式体积测量装置.试验、安全和供货条件规范

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【英文标准名称】:Pistonand/orplungeroperatedvolumetricapparatus-Specificationforconditionsoftest,safetyandsupply
【原文标准名称】:活塞和/或柱塞式体积测量装置.试验、安全和供货条件规范
【标准号】:BS7653-4-1993
【标准状态】:作废
【国别】:英国
【发布日期】:1993-07-15
【实施或试行日期】:1993-07-15
【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】:使用说明;实验室设备;活塞;标准温度;作标记;柱塞;容积测量;实验室器皿
【英文主题词】:laboratoryfurniture;measurement;specification(approval);laboratoryware;measurement,testingandinstruments;dilutors;volumemeasuringinstruments;pistons;burettes;pipettes;measuringinstruments;laboratories;materials;volumetricmeters;design;pistonmeters;specifications;volumetricapparatus;operation;volumemeasurement
【摘要】:
【中国标准分类号】:J92
【国际标准分类号】:71_040_20
【页数】:8P.;A4
【正文语种】:英语


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【英文标准名称】:Opticalamplifiers-Testmethods-Multichannelparameters-Pulsemethodusingagatedopticalspectrumanalyzer
【原文标准名称】:光学纤维放大器.试验方法.多道参数.选通光频谱分析仪脉冲法
【标准号】:BSEN61290-10-2-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-09-01
【实施或试行日期】:2003-09-01
【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】:放大器;基础规范;传播技术;电气工程;纤维光学;光纤;测量;测量技术;多道的;乱真信号;光学纤维;光波导;光学;性能;功率级别;信号;规范;光谱分析;电信;试验;传输系统
【英文主题词】:Amplifiers;Basicspecification;Communicationtechnology;Electricalengineering;Fibreoptics;Measurement;Measuringtechniques;Multichannels;Noise(spurioussignals);Opticalfibres;Opticalwaveguides;Optics;Performance;Powerlevels;Signals;Specification;Spectralanalysis;Telecommunications;Testing;Transmissionsystems
【摘要】:ThispartofIEC61290appliestoopticalfibreamplifiers(OFA)usingactivefibres,containingrare-earthdopants,currentlycommerciallyavailable.TheobjectofthisInternationalStandardistoestablishuniformrequirementsforaccurateandreliablemeasurementsofthesignal-spontaneousnoisefigureasdefinedin3.1.18ofIEC61291-1.Thetestmethodindependentlydetectsamplifiedsignalpowerandamplifiedspontaneousemission(ASE)powerbylaunchingopticalpulsesintotheOFAundertest.TheASElevelismeasuredbysynchronouslymeasuringthepoweronanopticalspectrumanalyzer(OSA)duringtheopticalpulseoffperiod.TheaverageopticalsignallevelismeasuredbyrandomsamplingintheOSA.Suchmeasurementispossiblebecausethegainresponseoftherare-earthdopedOFAisrelativelyslow,particularlyinEr-dopedOFA.However,sincetheOFAgaindynamicsvarywithamplifiertypes,operatingconditions,andcontrolschemes,thegaindynamicsshouldbecarefullyconsideredwhenapplyingthepresenttestmethodtovariousOFA.ThemanufactureroftheOFAshouldpresentdatavalidatingtherequiredmodulationfrequencytolimittheerrorto【英文标准名称】:StandardTestMethodforMeasurementofDiffusivity,Solubility,andPermeabilityofOrganicVaporBarriersUsingaFlameIonizationDetector
【原文标准名称】:使用火焰离子检测器测量有机保湿层的扩散性、可溶性、透气性的标准试验方法
【标准号】:ASTMF1769-1997
【标准状态】:作废
【国别】:
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F02.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:diffusion;flexiblebarriermaterials;masstransfer;permeability;solubility;volatileorganiccompounds
【摘要】:1.1Thistestmethodcoversthemeasurementofvolatileorganic-vapor-barrierpropertiesoffilms,plasticsheeting,coatedpapers,andlaminates.Thespecificmaterialpropertiesmeasuredincludediffusivity,solubility,andpermeabilitycoefficients;
【中国标准分类号】:Q24
【国际标准分类号】:91_120_30
【页数】:7P.;A4
【正文语种】: