DIN 18333-1979 VOB建筑工程主管承包条例.第C部分:建筑工程通用技术合同规程(ATV).混凝土建筑工程

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下一篇: DIN 18334-1979 VOB建筑工程主管承包条例.第C部分:建筑工程通用技术合同规程(ATV).房间和木结构建筑工程

【英文标准名称】:Recommendedpracticeforpreparationofequipmentspecificationsforspeed-governingofhydraulicturbinesintendedtodriveelectricgenerators
【原文标准名称】:调节驱动发电机的水轮机速度用设备规范编写的推荐实施规程
【标准号】:IEEE125-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国电气电子工程师学会(IEEE)
【起草单位】:IEEE
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;发电;电气工程;设备;发电机;液压装置;生产;涡轮发电机
【英文主题词】:Definition;Definitions;Electricpowergeneration;Electricalengineering;Equipment;Generators;Hydraulics;Production;Turbogenerators
【摘要】:
【中国标准分类号】:K55
【国际标准分类号】:27_140
【页数】:61P;A4
【正文语种】:英语


【英文标准名称】:Gasanalysis-Preparationofcalibrationgasmixtures-Staticvolumetricmethod
【原文标准名称】:气体分析.标定用混合气体的制备.静态容量法
【标准号】:ISO6144-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-02
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC158
【标准类型】:()
【标准水平】:()
【中文主题词】:标定气体;生产;检验设备;气体;混合气体;静态的;试验气体;容量分析;气体分析;校正;容量的
【英文主题词】:Analysis;Calibration;Calibrationgases;Chemicalanalysisandtesting;Controlsamples;Gasanalysis;Gasmixtures;Gases;Inspectionequipment;Materialstesting;Mathematicalcalculations;Measurement;Methods;Production;Static;Testgases;Volume;Volumetric;Volumetricanalysis
【摘要】:ThisInternationalStandardspecifiesamethodforthepreparationofcalibrationgasmixturesbyastaticvolumetricmethodandprovidesaprocedureforcalculatingthevolumetriccompositionofthemixture,ftcanbeusedeitherwithbinarygasmixtures(containingonecalibrationcomponentinacomplementarygas,whichisusuallynitrogenorair)orwithmixturescontainingmorethanonecomponentinthecomplementarygas.ThisInternationalStandardalsospecifieshowtheexpandeduncertaintyinthevolumefractionOfeachcalibrationcomponentinthemixtureisdeterminedbyarigorousevaluationofallthemeasurementuncertaintiesinvolved,includingthoseassociatedwiththeapparatususedforthepreparationofthegasmixtureandthoseassociatedwiththeexperimentalprocedureitself.NOTE1ThisInternationalStandardisgenerallyapplicabletothepreparationofcalibrationgasmixturescontainingcalibrationcomponentsintheconcentrationrange10×10(10ppb—partsperbillion)to50×10(50ppm—partspermillion)byvolume.However,gasmixturesmaybepreparedatlargerorsmallervolumefractions,providedthatthecomponentsusedinthestaticdilutionprocessareselectedappropriately.NOTE2Arelativeexpandeduncertaintyofnotgreaterthan±1%atalevelofconfidenceof95%maybeachievableattheseconcentrations,providedthat:—thepuritiesoftheparentgaseshavebeendeterminedbyanalysisandanysignificantimpuritiesandtheuncertaintiesintheirmeasuredconcentrationshavebeentakenintoaccount;—nosignificantadsorptioneffectsorchemicalreactionsoccurbetweenthegaseousconstituentsandtheinternalsurfacesoftheapparatus,andtherearenoreactionsbetweenanyofthegaseouscomponents,i.e.betweenthecalibrationcomponentandcomplementarygasorbetweenthecalibrationcomponentsthemselves;—alltherelevantapparatususedinthepreparationofacalibrationgasmixturehavebeencalibratedwithassignedmeasurementuncertaintieswhichareappropriatetocalculatingthefinalexpandeduncertaintyforthecalibrationgasmixtureprepared.
【中国标准分类号】:G85
【国际标准分类号】:71_040_40
【页数】:29P;A4
【正文语种】:英语