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【英文标准名称】:Informationtechnology-Softwareuserdocumentationprocess
【原文标准名称】:信息技术.软件用户文献处理
【标准号】:BSISO/IEC15910-1999
【标准状态】:作废
【国别】:英国
【发布日期】:2000-04-15
【实施或试行日期】:2000-04-15
【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】:质量保证体系;文献;情报系统;联机系统;计算机软件;文献索引;使用说明;数据组织;计算机程序;数据布置;数据处理
【英文主题词】:Computerprograms;Computersoftware;Computers;Dataprocessing;Definition;Definitions;Documentation;Documentations;Handling;Informationtechnology
【摘要】:ThisInternationalStandardspecifiestheminimumprocessforcreatingallformsofuserdocumentationforsoftwarewhichhasauserinterface.Suchformsofdocumentationincludeprinteddocumentation(e.g.usermanualsandquick-referencecards),on-linedocumentation,helptextandon-linedocumentationsystems.ThisInternationalStandardconformswithISO/IEC12207:1995,Informationtechnology—Softwarelifecycleprocesses,asanimplementationoftheuserdocumentationpartof6.1:Documentation.Ifeffectivelyapplied,thisInternationalStandardwillsupportthedevelopmentofdocumentationwhichmeetstheneedsoftheusers.ThisInternationalStandardisintendedforusebyanyonewhoproducesorbuysuserdocumentation.ThisInternationalStandardisapplicabletonotonlyprinteddocumentation,butalsohelpscreens,thehelpdeliverysystem,andtheon-linetextanddeliverysystem.Seethebibliography.ThisInternationalStandardisintendedforuseinatwo-partysituationandmaybeequallyappliedwherethetwopartiesarefromthesameorganization.Thesituationmayrangefromaninformalagreementuptoalegallybindingcontract.ThisInternationalStandardmaybeusedbyasinglepartyasself-imposedtasks.NOTEAnnexBprovidesfurtherguidanceontheuseofthisInternationalStandardinacontractbetweenacquireranddocumenter.
【中国标准分类号】:L77
【国际标准分类号】:35_080
【页数】:62P.;A4
【正文语种】:英语


【英文标准名称】:Ballscrews-Part5:Staticanddynamicaxialloadratingsandoperationallife
【原文标准名称】:滚珠丝杠.第5部分:静态和动态轴负荷额定值和工作寿命
【标准号】:ISO3408-5-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-06
【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/TC39
【标准类型】:()
【标准水平】:()
【中文主题词】:轴向;滚珠丝杠;动力荷载;动力学;紧固件;寿命;额定负荷;机床;数学计算;计算方法;旋转速度;主轴;静荷载;静力学;螺纹
【英文主题词】:Axial;Ballscrews;Dynamicloading;Dynamics;Fasteners;Life(durability);Loadratings;Machinetoolcomponents;Machinetools;Mathematicalcalculations;Methodsofcalculation;Rotationalspeeds;Spindles;Static;Staticloading;Statics;Threadedspindles;Threads
【摘要】:ThispartofISO3408specifiesthecalculationschemesforstaticanddynamicloadratings,andoperationallife,inordertoobtaincomparablevaluesforthedesignanduseofballscrews.NOTEThecalculationshavebeenbasedprimarilyonpublicationsbyProf.G.LundbergandA.PalmgrenActaPolitechnica,mech.Eng.seriesVol.I,No.3,Stockholm,Sweden.Part7,1947.ThispartofISO3408isapplicableunderthefollowingpreconditions:—elasticdeformationofballandballtrack;—hardnessofballtrackbasicallyexceedsaminimumofHRC58;—conformity/rsandfm>0,5;—thequalityofsteelofwhichtheballscrewismadeisequivalenttothatofballbearingsteelorsimilarsteelalloys;—optimumlubrificationisalwaysprovided.
【中国标准分类号】:J51
【国际标准分类号】:25_060_99
【页数】:14P;A4
【正文语种】:英语