DIN EN 61290-10-1-2004 光学放大器.试验方法.第10-1部分:多道参数.使用光学开关和光谱分析仪的脉冲法

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【英文标准名称】:Opticalamplifiers-Testmethods-Part10-1:Multichannelparameters-Pulsemethodusinganopticalswitchandopticalspectrumanalyzer(IEC61290-10-1:2003);GermanversionEN61290-10-1:2003
【原文标准名称】:光学放大器.试验方法.第10-1部分:多道参数.使用光学开关和光谱分析仪的脉冲法
【标准号】:DINEN61290-10-1-2004
【标准状态】:作废
【国别】:德国
【发布日期】:2004-02
【实施或试行日期】:2004-02-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:光谱分析;分析仪;多道记录;光纤;规范;基本规范;特性;电气工程;纤维光学;开关;多通道;测量技术;参数;数学计算;应用;稀土金属;光学仪器;光学;光波导;使用;额定值;试验;分光光谱仪;光学纤维;测量;放大器
【英文主题词】:Amplifiers;Analyzers;Applications;Basicspecification;Electricalengineering;Fibreoptics;Mathematicalcalculations;Measurement;Measuringtechniques;Multi-channelrecording;Multichannels;Noisefigure;Opticalfibres;Opticalinstruments;Opticalwaveguides;Optics;Parameters;Properties;Rareearthmetals;Ratings;Specification;Spectralanalysis;Spectroscopicinstruments;Switches;Testing;Use
【摘要】:Thisstandardappliestoopticalfibreamplifiers(OFAs)usingactivefibres,containingrare-earthdopants,currentlycommerciallyavailable.Itestablishesuniformrequirementsforaccurateandreliablemeasurementsofthesignal-spontaneousnoisefigureasdefinedin3.1.18ofIEC61291-1.
【中国标准分类号】:M33
【国际标准分类号】:33_180_30
【页数】:26P.;A4
【正文语种】:德语


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基本信息
标准名称:石油地震勘探技术规范
中标分类: 石油 >> 石油勘探、开发、集输设备 >> 石油勘探、开发、集输设备综合
发布日期:
实施日期:1992-11-19
首发日期:
作废日期:
出版日期:
页数:110页
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所属分类: 石油 石油勘探 开发 集输设备 石油勘探 开发 集输设备综合
【英文标准名称】:StandardPracticeforExaminationofSeamless,Gas-Filled,SteelPressureVesselsUsingAngleBeamUltrasonics
【原文标准名称】:斜束超声法检验无缝、充气钢制压力容器的标准实施规程
【标准号】:ASTME2223-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:E07.06
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:斜角;光束;检验;填充的;气体;压力容器;无缝的;钢制容器;超声波学
【英文主题词】:acousticemission;angle-beam;contactexamination;couplant;crackdetection;gas-filledpressurevessels;nondestructivetesting;referencenotches;seamlesssteelpressurevessels;standardizingring;ultrasonicexamination;Acousticemission
【摘要】:Thepurposeofthispracticeistoprovideaprocedureforlocating,detectingandestimatingtherelevanceoflongitudinallyorientedcrack-likediscontinuitieswhichhavebeenpreviouslyindicatedbyAEexamination.Thispracticemaybeusedforapressurevesselthatissituatedinsuchawayastolimitaccesstothevessel''swall.Typicalexamplesincludetubetrailersandgastuberailroadcars.Sincethepressurevesselsarestackedhorizontallyinaframe,withlimitedspacebetweenthem,thecircumferentiallocationofadiscontinuitymaybeadistanceawayfromthesearchunit(severalskipdistances).Thispracticehasbeenshowntobeeffectiveforcylindersbetween9in.(229mm)and24in.(610mm)indiameterandwallthicknessesbetween1/4in.(6.4mm)to1in.(26mm)withdiscontinuitiesthatareorientedlongitudinallyinpressurevesselsidewall.Toreliablydetectdiscontinuitiesbytheprocedureinthispractice,asignificantpartofthereflectingsurfacemustbetransversetothebeamdirection.EvaluationofpossiblediscontinuityintheendfacesindicatedbyAEisnotcoveredbythispractice.1.1Thispracticedescribesacontactangle-beamshearwaveultrasonictechniquetodetectandlocatethecircumferentialpositionoflongitudinallyorienteddiscontinuitiesandtocomparetheamplitudeoftheindicationfromsuchdiscontinuitiestothatofaspecifiedreferencenotch.Thispracticedoesnotaddressexaminationofthevesselends.Thebasicprinciplesofcontactangle-beamexaminationcanbefoundinPracticeE587.Applicationtopipeandtubing,includingtheuseofnotchesforstandardization,isdescribedinPracticeE213.1.2Thispracticeisappropriatefortheultrasonicexaminationofcylindricalsectionsofgas-filled,seamless,steelpressurevesselssuchasthoseusedforthestorageandtransportationofpressurizedgasses.Itisapplicabletobothisolatedvesselsandthoseinassemblies.1.3ThepracticeisintendedtobeusedfollowinganAcousticEmission(AE)examinationofstackedseamlessgaseouspressurevessels(withlimitedsurfacescanningarea)describedinTestMethodE1419.1.4Thispracticedoesnotestablishacceptancecriteria.Thesearedeterminedbythereferencenotchdimensions,whichmustbespecifiedbytheusingparties.Note18212;BackgroundinformationrelatingtothetechnicalrequirementsofthispracticecanbefoundinthereferencessitedinTestMethodE1419,AppendixX1.1.5Dimensionalvaluesstatedinin-poundunitsareregardedasstandard;SIequivalents,inparenthesesmaybeapproximate.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J74
【国际标准分类号】:19_100
【页数】:5P.;A4
【正文语种】: