ASTM D3125-2006 测定无色单体丙烯酸酯和丙烯酸中氢醌的单甲基醚的标准试验方法

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【英文标准名称】:Aerospaceseries-Fibresandcables,optical,aircraftuse;Testmethods-Part510:Bendingtest;GermanandEnglishversionEN3745-510:2002
【原文标准名称】:航空航天系列.飞机光纤和电缆.试验方法.第510部分:弯曲试验
【标准号】:EN3745-510-2002
【标准状态】:现行
【国别】:
【发布日期】:2003-05
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:挠性;传输线路;外观检查(试验);弯曲试验;试验规程;规范(验收);航天运输;测定;试验;飞行器;航空航天运输;电缆;多语种的;光波导;航空运输;光纤;电线;光学的
【英文主题词】:Aerospacetransport;Airtransport;Aircraft;Bendtesting;Cables;Determination;Electriccables;Electricalcords;Fibreoptics;Flexibility;Multilingual;Optical;Opticalwaveguides;Spacetransport;Specification(approval);Testprocedures;Testing;Transmissionlines;Visualinspection(testing)
【摘要】:
【中国标准分类号】:V25
【国际标准分类号】:49_060
【页数】:9P.;A4
【正文语种】:英语


【英文标准名称】:Superconductivity-Part2:Criticalcurrentmeasurement-DCcriticalcurrentofNbSncompositesuperconductors
【原文标准名称】:超导性.第2部分:临界电流测量.NbSn复合超导体的直流临界电流
【标准号】:IEC61788-2-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-11
【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/TC90
【标准类型】:()
【标准水平】:()
【中文主题词】:混合结构;铜;临界电流;临界数据;电流测量;定义;直流电流;电气工程;测量;测量技术;铌;规范(验收);超导性;超导体;钛
【英文主题词】:Bronzes;Compositeconstruction;Copper;Criticalcurrent;Criticalitydata;Currentmeasurement;Definitions;Directcurrent;Electricalengineering;Measurement;Measuringcoils;Measuringtechniques;Niobium;Specification(approval);Superconductivity;Superconductors;Testing;Tin;Titanium
【摘要】:ThispartofIEC61788coversatestmethodforthedeterminationofthed.c.criticalcurrentofNb3Sncompositesuperconductorswhicharefabricatedbyeitherthebronzeprocessortheinternaltindiffusionprocessandhaveacopper/non-copperratiolargerthan0,2.Thismethodisintendedforusewithsuperconductorswhichhavecriticalcurrentsoflessthan1000Aandn-valueslargerthan12understandardtestconditionsandatmagneticfieldsoflessthanorequalto0,7timestheuppercriticalmagneticfield.Thetestspecimenisimmersedinaliquidheliumbathataknowntemperatureduringtesting.TheNb3Sncompositetestconductorhasamonolithicstructurewithatotalround-cross-sectionalareathatislessthan2mm2.Thespecimengeometryusedinthistestmethodisaninductivelycoiledspecimen.Deviationsfromthistestmethodwhichareallowedforroutinetestsandotherspecificrestrictionsaregiveninthisstandard.Nb3Snconductorswithcriticalcurrentsabove1000Aortotalcross-sectionalareasgreaterthan2mm2canbemeasuredwiththepresentmethodwithananticipatedreductioninprecisionandamoresignificantself-fieldeffect(seeAnnexC).Other,morespecialized,specimentestgeometriesmaybemoreappropriateforlargerconductortestingwhichhavebeenomittedfromthispresentstandardforsimplicityandtoretainprecision.ThetestmethodgiveninthisstandardshouldinprincipleapplytoNb3Sncompositewiresfabricatedbyanyotherprocess.Thismethodisalsoexpectedtoapplytoothersuperconductingcompositewiresaftersomeappropriatemodifications.
【中国标准分类号】:K10
【国际标准分类号】:17_220;29_050
【页数】:73P;A4
【正文语种】:英语