【英文标准名称】:Samplepreparation-Dispersingproceduresforpowdersinliquids
【原文标准名称】:样品制备.粉末在液体中的分散方法
【标准号】:ISO14887-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-09
【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/TC24
【标准类型】:()
【标准水平】:()
【中文主题词】:粒度;粉末;定义;液体测量;分散;试样制备;分散力;试验;粒径分析;分散作用(化学)
【英文主题词】:Definitions;Dispersing;Dispersing(chemicaltechnology);Dispersion;Dispersionpower;Dispersions(chemical);Measurementofliquids;Methodsofdispersion;Metrology;Particlesize;Particlesizeanalysis;Powder;Specimenpreparation;Structuralcondition;Structuralstability;Suspensions(chemical);Testing
【摘要】:ThisInternationalStandardwasdevelopedtohelpparticlesizeanalystsmakegooddispersionsfrompowder/liquidcombinationswithwhichtheyarenotexperienced.Itprovidesproceduresfor—wettingapowderintoaliquid;—deagglomeratingthewettedclumps;—determiningifsolutioncompositioncanbeadjustedtopreventreagglomeration;—selectingdispersingagentstopreventreagglomeration;—evaluatingthestabilityofthedispersionagainstreagglomeration.ThisInternationalStandardisapplicabletoparticlesranginginsizefromapproximately0,05to100urn.Itprovidesaseriesofquestionsonthenatureofthepowderandliquidinvolved.Theanswersareusedwithchartsthatguidetheusertogenericdispersingagentsthatarelikelytobesuitablefordispersingthepowderintheliquid.ThisInternationalStandardappliesonlytothepreparationofsimple,dilutedispersions(lessthan1%byvolumesolids)forparticlesizeanalysis.Itdoesnotdealwiththeformulationofcomplexandcommercialmixtureshighlyloadedwithsolids,suchaspaints,inks,pharmaceuticals,herbicidesandcompositeplastics.
【中国标准分类号】:A28
【国际标准分类号】:19_120
【页数】:24P;A4
【正文语种】:英语


【英文标准名称】:Functionalsafetyofelectrical/electronic/programmableelectronicsafety-relatedsystems-Part3:Softwarerequirements;TechnicalCorrigendum
【原文标准名称】:与安全有关的电气/电子/可编程系统的功能安全性.第3部分:软件要求.技术勘误表
【标准号】:IEC61508-3TechnicalCorrigendum-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-04-01
【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/SC65A
【标准类型】:()
【标准水平】:()
【中文主题词】:计算机应用;计算机软件;计算机;数据处理;定义;电气工程;电气设备;电气安全;电子设备;电子系统;信息处理;检验;寿命周期;程序系统;程序控制系统;程序设计;程序设计技术;保护措施;可靠度;安全;安全装置;安全工程;安全措施;安全要求;安全研究;安全系统;规范(验收);监督(认可);试验
【英文主题词】:Computerapplications;Computersoftware;Computers;Dataprocessing;Definitions;Electricalengineering;Electricalequipment;Electricalsafety;Electronicequipment;Electronicsystems;Informationprocessing;Inspection;Lifecycles;Programsystem;Programmedcontrolsystems;Programming;Programmingtechniques;Protectivemeasures;Reliability;Safety;Safetydevices;Safetyengineering;Safetymeasures;Safetyrequirements;Safetystudies;Safetysystems;Specification(approval);Surveillance(approval);Testing
【摘要】:ThisstandardisaboutFunctionalsafetyofelectrical/electronic/programmableelectronicsafety-relatedsystems-Part3:Softwarerequirements;TechnicalCorrigendum
【中国标准分类号】:N18;L77
【国际标准分类号】:25_040_40;35_080
【页数】:1P.;A4
【正文语种】: