ANSI/IAPMO Z124.5-1997 塑料抽水马桶座圈

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【英文标准名称】:TestMethodforPorosityinMetallicCoatingsbyHumidSulfurVapor("Flowers-of-Sulfur")
【原文标准名称】:用湿硫黄蒸气("硫黄华")作金属涂层中孔隙率测试的测试方法
【标准号】:ASTMB809-1990
【标准状态】:作废
【国别】:美国
【发布日期】:1990
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:孔隙率;试验方法;金属覆层
【英文主题词】:metalcoatings;porosity;testmethods
【摘要】:
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:4P;A4
【正文语种】:英语


【英文标准名称】:Informationtechnology-Categorizationofsoftware
【原文标准名称】:信息技术.软件的分类
【标准号】:BSISO/IECTR12182-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-10-15
【实施或试行日期】:1999-10-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:计算机程序;分类;信息技术;计算机软件;数据处理
【英文主题词】:Classification;Computerprograms;Computersoftware;Dataprocessing;Informationtechnology
【摘要】:ThescopeofthisTechnicalReportisthecategoriesofsoftware(includingrelevantsoftwaredevelopmentproductsanddata)thatareproducedbysoftwareengineeringprocesses.Itdescribesacategorizationschemeforsoftwarethatencompassesdifferentpointsofviewandsignificantcharacteristicsandattributesthatdescribeanddefinesoftwareandsoftwarecategories.1FieldofapplicationThefieldofapplicationoftheCategorizationofSoftwareincludessoftwareengineeringanditsassociatedstandards,software,data,andmethodologies.2AudienceandpurposeThisTechnicalReportisprimarilydirectedtowardsseveralaudiences:thesoftwareengineeringcommunity;theusersofsoftwareengineeringstandards,specificallythosedevelopedbyISO/IECJTC1/SC7;anddevelopersofsoftwareengineeringstandards,primarilySC7.ThepurposeorusageoftheCategorizationofSoftwareistheidentifyingofsoftwarecategories,identifyingofapplicablesoftwareengineeringstandardsforsoftware,anddeterminingtherelationshipofsoftwaretasks,processes,orproductstosoftwareengineeringstandards.TheuseoftheCategorizationofSoftwareisdefinedasthegenerationofajustifiableentryforeachoftheviewsspecifiedinClause7forthegivensoftwareproductorinamappingofasoftwareengineeringstandard.Insomecircumstancesanullentryisappropriate.Itoftenoccursthatthesoftwareengineeringprocesses,andtheproductsofthoseprocesses,applytotheprocurementordevelopmentofcertainkindsofsoftware.Forexample,ISO6592appliestolargeapplicationsystemsandISO9127appliestopackagedsoftware.ThisTechnicalReportprovidesacategorizationschemetoassistin(1)theunderstandingoftheareaofapplicationofastandardorsoftware,(2)theidentificationandselectionofstandardsapplicabletoasoftwareapplication,and(3)thepositioningofnewstandards.3LimitationsSincesoftwareengineeringisafastchangingfield,thecategorizationoutlinedhereincanonlybeaconceptualscheme.Users,therefore,shouldusejudgementwhenapplyingittoapplications.ThecategorizationschemeinthisTechnicalReportisempiricalinnature.Itsformulationisnotbasedonwell-defineduserneeds.Theschemehasnotbeenvalidatedinfieldtrials.
【中国标准分类号】:L77
【国际标准分类号】:35_080
【页数】:24P;A4
【正文语种】:英语