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IEC 61338-1-3-1999 波导型介电谐振器第1-3部分:一般信息和试验条件微波介电谐振器材料复相对介电常数测量方法

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【英文标准名称】:Waveguidetypedielectricresonators-Part1-3:Generalinformationandtestconditions-Measurementmethodofcomplexrelativepermittivityfordielectricresonatormaterialsatmicrowavefrequency
【原文标准名称】:波导型介电谐振器第1-3部分:一般信息和试验条件微波介电谐振器材料复相对介电常数测量方法
【标准号】:IEC61338-1-3-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-11
【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/TC49
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;电气工程;试验条件;材料;微波;测量方法;介质装置;压电器件;频率范围;谐振器;电容率;频率稳定;波导管
【英文主题词】:Dielectricdevices;Electricalengineering;Frequencyranges;Frequencystabilization;Materials;Methodsformeasuring;Microwaves;Permittivity;Piezoelectricdevices;Resonators;Testing;Testingconditions;Waveguides
【摘要】:ThispartofIEC61338describesthedielectricrodresonatormeasurementmethodforawiderangeofmicrowavedielectricpropertiesinpracticalapplications.Thismethodhasthefollowingcharacteristics:-acompleteandexactmathematicalsolutionofcomplexrelativepermittivityisgivenbyeasycomputersoftware;-themeasurementerrorislessthan0,3%forε'andlessthan0,05×10fortanδ;-theTCFisdirectlymeasuredwithoutanycompensationwithameasurementerrorlessthan1×10/K.Theobjectofthisstandardistodescribethemeasurementmethodsofthecomplexrelativepermittivityofdielectricresonatormaterialsatmicrowavefrequenciesbymeansofthedielectricrodresonatormethodshort-circuitedatbothendsbyparallelconductingplates.Themeasuringparametersareε',tanδ,TCFandthetemperaturedependenceoftanδattheresonancefrequency.Thedielectricmaterialsareassumedtobeisotropicandhomogeneous.
【中国标准分类号】:L18
【国际标准分类号】:31_140;33_120_10
【页数】:47P.;A4
【正文语种】:英语


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【英文标准名称】:Soil:investigationandtesting-Lefranctest.
【原文标准名称】:土壤.调查与试验.LEFRANC试验
【标准号】:NFP94-132-2000
【标准状态】:现行
【国别】:法国
【发布日期】:2000-10-01
【实施或试行日期】:2000-10-20
【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】:
【英文主题词】:Fieldtesting;Permeability;Soilmechanics;Soils;Testing;Water
【摘要】:
【中国标准分类号】:B11
【国际标准分类号】:93_020
【页数】:18P.;A4
【正文语种】:其他


【英文标准名称】:Emergencyescapelightingsystems
【原文标准名称】:应急安全出口照明系统
【标准号】:BSEN50172-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-12-20
【实施或试行日期】:2004-12-20
【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】:建筑物火警疏散设施;应急电力设备;结构工程;定义;照明设备;外观检查(试验);安全;工作地点;试验;电力系统;试验装置;照明系统;维修;规范(验收);建筑物;安全装置;安全出口照明;安全要求;电气工程;作标记
【英文主题词】:Assemblyfacilities;Buildings;Circuitdiagrams;Constructionworks;Constructions;Definitions;Domesticelectricalinstallations;Electricpowersystems;Electricpowertransmission;Electricshock;Electricalengineering;Electricalequipment;Electricalinstallations;Electricalprotectionequipment;Electricalsafety;Electrostatics;Emergencyelectricalinstallations;Emergencylighting;Erection;Escapelighting;Fire;Firerisks;Firesafety;Highvoltage;Installation;Instructionsforuse;Lightingequipment;Lightingsystems;Maintenance;Man-machine;Marking;Meansofescapefromfireinbuildings;Operatinginstructions;Plant;Powerinstallations;Safety;Safetydevices;Safetyengineering;Safetypowersupply;Safetyrequirements;Specification(approval);Stand-bypowersupply;Structuralworks;Testing;Testingdevices;Visualinspection(testing);Workingplaces
【摘要】:ThisEuropeanStandardspecifiestheprovisionofilluminationofescaperoutesandsafetysignsintheeventoffailureofthenormalsupply,andspecifiestheminimumprovisionofsuchemergencylightingbasedonthesize,typeandusageofthepremises.Thisstandardrelatestotheprovisionofelectricemergencyescapelightinginallworkplacesandpremisesopentothepublic.ThisEuropeanStandarddoesnotcoverprivatedomesticpremisesbutitsprovisionsareapplicabletocommonaccessrouteswithinmulti-storeydwellings.ThisEuropeanStandardisalsoapplicabletostandbylightingusedasemergencyescapelighting.Thereareemergingwayguidancetechniquesthat,whenappliedtoescaperoutesinadditiontoconventionalemergencylightingluminaires,canenhanceitseffectivenessinanemergency.
【中国标准分类号】:K72
【国际标准分类号】:91_160_10
【页数】:16P;A4
【正文语种】:英语