【英文标准名称】:Testingofceramicmaterials-Preparationofsamplesforthedeterminationofchangeofmassduringdryingandforchemicalanalysis
【原文标准名称】:陶瓷原材料和材料的检验.干燥时质量变化测定用和化学分析用试样制备
【标准号】:DIN51078-2002
【标准状态】:现行
【国别】:德国
【发布日期】:2002-12
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:陶瓷;试验;干燥;粘附;原材料;潮气;材料;质量的改变;材料试验
【英文主题词】:drying;ceramics;materialstesting;rawmaterials;testing;alteringofmasses;ceramic;materials;adhesion;moisture
【摘要】:Thisdocumentspecifiesamethodforthedeterminationofchangeofmassduringdryingat(135?5)?andamethodforpreparationandstoringofafinalsampleforthechemicalanalysisofceramicrawmaterialsandunshapedrefractoriesaswellasshapedrefractories.
【中国标准分类号】:Q30
【国际标准分类号】:81_060_10
【页数】:5P;A4
【正文语种】:德语


【英文标准名称】:Industrial-processcontrolvalves-Testprocedureforresponsemeasurementsfromstepinputs
【原文标准名称】:工业过程控制阀.阶跃输入反应测量的试验程序
【标准号】:BSEN60534-9-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-11-30
【实施或试行日期】:2007-11-30
【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】:压实性;控制电路;控制工艺学;控制阀;电气工程;工业流程测量;测量仪器;测量技术;性能试验;压力试验;过程控制;信号;规范(验收);阶梯函数;测试
【英文主题词】:Compactness;Controlcircuits;Controltechnology;Controlvalves;Electricalengineering;Industrialprocessmeasurement;Measuringinstruments;Measuringtechniques;Performancetests;Pressuretests;Processcontrol;Signals;Specification(approval);Stepfunction;Testing
【摘要】:ThispartofIEC60534definesthetestingandreportingofthestepresponseofcontrolvalvesthatareusedinthrottlingclosed-loopcontrolapplications.Acontrolvalveconsistsofthecomplete,ready-to-useassemblyofthecontrolvalvebody,theactuator,andanyrequiredaccessories.Themostprobableaccessoryisavalvepositioner.Thisstandarddoesnotdefinetheacceptablecontrolvalveperformanceforprocesscontrolnordoesitrestricttheselectionofcontrolvalvesforanyapplication.Ifthisstandardisusedforevaluationoracceptancetesting,thepartiesmayagreetodocumentedvariationsfromtheserequirements.Theinformationusingthedefinedtestmethodsisspecificallyapplicabletoclosed-loopfeedbackcontrolbutmayhavesomeapplicationtoopen-loopcontrolapplications.Itdoesnotaddressvalvesusedinon-offcontrolservice.Testsspecifiedinthisstandardmaynotbesufficienttomeasuretheperformancerequiredforallapplications.Notallcontrolvalveapplicationswillrequirethistesting.
【中国标准分类号】:J16
【国际标准分类号】:23_060_01;25_040_40
【页数】:30P.;A4
【正文语种】:英语