BS EN 61788-4-2007 超导性.剩余电阻率的测量.Nb-Ti复合超导电体的剩余电阻率

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【英文标准名称】:Superconductivity-Residualresistanceratiomeasurement-ResidualresistanceratioofNb-Ticompositesuperconductors
【原文标准名称】:超导性.剩余电阻率的测量.Nb-Ti复合超导电体的剩余电阻率
【标准号】:BSEN61788-4-2007
【标准状态】:作废
【国别】:英国
【发布日期】:2007-09-28
【实施或试行日期】:2007-09-28
【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】:合金;环境温度;铜;铜合金;铜导线;电流测量;定义;电气工程;电阻;挠曲蠕变;测量;测量技术;机械特性;计量学;铌;精密度;剩余电阻;电阻测量;电阻器;超导性;超导体;试验报告;测试;钛;钛合金
【英文主题词】:Alloys;Ambienttemperatures;Copper;Copperalloys;Copperconductors;Currentmeasurement;Definition;Definitions;Electricalengineering;Electricalresistance;Flexuralcreep;Measurement;Measuringtechniques;Mechanicalproperties;Metrology;Niobium;Precision;Residualresistance;Resistancemeasurement;Resistors;Superconductivity;Superconductors;Testreports;Testing;Titanium;Titaniumalloys
【摘要】:ThispartofIEC61788coversatestmethodforthedeterminationoftheresidualresistanceratio(RRR)ofacompositesuperconductorcomprisedofNb-TifilamentsandCu,Cu-NiorCu/Cu-Nimatrix.Thismethodisintendedforusewithsuperconductorsthathaveamonolithicstructurewithrectangularorroundcross-section,RRRlessthan350,andcross-sectionalarealessthan3mm2.Allmeasurementsaredonewithoutanappliedmagneticfield.Themethoddescribedinthebodyofthisstandardisthe“reference”methodandoptionalacquisitionmethodsareoutlinedinClauseA.4.
【中国标准分类号】:K10
【国际标准分类号】:29_050
【页数】:28P.;A4
【正文语种】:英语


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【英文标准名称】:StandardSpecificationforConcreteBuildingBrick
【原文标准名称】:混凝土砖标准规格
【标准号】:ASTMC55-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:C15.03
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:吸收;耐压强度;混凝土砖;混凝土建筑砖块;混凝土圬工单位;线性干收缩;硅酸盐水泥
【英文主题词】:absorption;compressivestrength;concretebrick;concretebuildingbrick;concretemasonryunits;lineardryingshrinkage;portlandcement
【摘要】:1.1Thisspecificationcoverssolid,dry-cast,concretebuildingbrickintendedforinteriorandexterioruseinconstructingstructuralmasonry,andaremadefromportlandcement,water,andsuitablemineralaggregateswithorwithouttheinclusionofothermaterials.Note18212;SpecificationC1634addressesconcretefacingbrickusedinfacingapplicationsandotherexposures(previouslyreferredtoinearliereditionsofthisstandardasGradeNforuseasarchitecturalveneerandfacingunitsinexteriorwallsandforusewherehigh-strengthandresistancetomoisturepenetrationandseverefrostactionaredesired).ThisspecificationdiffersfromC1634inthatitaddressespropertiesforconcretebuildingbrickusedinnon-facing,utilitarianapplications(previouslyreferredtoinearliereditionsofthisspecificationasGradeSforgeneralusewheremoderatestrengthandresistancetofrostactionandmoisturepenetrationarerequired).1.2Thetextofthisspecificationreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Note28212;Concretebuildingbrickcoveredbythisspecificationaremadefromlightweightornormalweightaggregates,orboth.Note38212;Whenparticularfeaturesaredesired,suchasdensityclassification,highcompressivestrength,surfacetexturesforappearanceorbond,finish,color,fireresistance,insulation,acousticalproperties,orotherspecialfeatures,suchpropertiesshouldbespecifiedseparatelybythepurchaser.Suppliersshouldbeconsultedastotheavailabilityofconcretebuildingbrickhavingthedesiredfeatures.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.
【中国标准分类号】:
【国际标准分类号】:91_100_30
【页数】:3P.;A4
【正文语种】:


【英文标准名称】:Informationtechnology--Programminglanguages--CSharp
【原文标准名称】:信息技术.程序设计语言.CSharp语言
【标准号】:JISX3015-2008
【标准状态】:现行
【国别】:日本
【发布日期】:2008-10-20
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonInformationTechnology
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:L74
【国际标准分类号】:35_060
【页数】:612P.;A4
【正文语种】:日语