【英文标准名称】:Informationtechnology-Programminglanguages,theirenvironmentsandsystemsoftwareinterfaces-Language-independentdatatypes
【原文标准名称】:信息技术.程序设计语言、其环境和系统软件接口.独立语言数据类型
【标准号】:BSISO/IEC11404-1996
【标准状态】:现行
【国别】:英国
【发布日期】:1997-04-15
【实施或试行日期】:1997-04-15
【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】:计算机软件;接口(数据加工);数据传输;句法;数据处理;字符串;PASCAL语言;二进制数字;字符集;合格;信息交流;程序设计;程序设计语言
【英文主题词】:Computersoftware;Dataprocessing;Definitions;Informationinterchange;Informationtechnology;Interfaces(dataprocessing);Programminglanguages;Specification(approval)
【摘要】:ThisInternationalStandardspecifiesthenomenclatureandsharedsemanticsforacollectionofdatatypescommonlyoccurringinprogramminglanguagesandsoftwareinterfaces,referredtoastheLanguage-Independent(LI)Datatypes.Itspecifiesbothprimitivedatatypes,inthesenseofbeingdefinedabinitiowithoutreferencetootherdatatypes,andnon-primitivedatatypes,inthesenseofbeingwhollyorpartlydefinedintermsofotherdatatypes.ThespecificationofdatatypesinmisInternationalStan-dardis"language-independent"inthesensethatthedatatypesspecifiedareclassesofdatatypesofwhichtheactualdatatypesusedinprogramminglanguagesandotherentitiesrequiringtheconceptdatatypeareparticularinstances.ThisInternationalStandardexpresslydistinguishesthreenotionsof"datatype",namely:·theconceptual,orabstract,notionofadatatype,whichcharacterizesthedatatypebyitsnominalvaluesandproperties;·thestructuralnotionofadatatype,whichcharacterizesthedatatypeasaconceptualorganizationofspecificcomponentdatatypeswithspecificfunctionalities;and·theimplementationnotionofadatatype,whichcharacterizesthedatatypebydefiningtherulesforrepresentationofthedatatypeinagivenenvironment.ThisInternationalStandarddefinestheabstractnotionsofmanycommonlyusedprimitiveandnon-primitivedatatypeswhichpossessthestructuralnotionofatomicity.ThisInternationalStandarddoesnotdefineallatomicdatatypes;itdefinesonlythosewhicharecommoninprogramminglanguagesandsoftwareinterfaces.ThisInternationalStandarddefinesstructuralnotionsforthespecificationofothernon-primitivedatatypesandprovidesameansbywhichdatatypesnotdefinedhereincanbedefinedstructurallyintermsoftheLIdatatypesdefinedherein.ThisInternationalStandarddefinesapartialvocabularyforimplementationnotionsofdatatypesandprovidesfor,butdoesnotrequire,theuseofthisvocabularyinthedefinitionofdatatypes.Theprimarypurposeofthisvocabularyistoidentifycommonimplementationnotionsassociatedwithdatatypesandtodistinguishthemfromconceptualnotions.SpecificationsfortheuseofimplementationnotionsaredeemedtobeoutsidethescopeofthisInternationalStandard,whichisconcernedsolelywiththeidentificationanddistinctionofdatatypes.ThisInternationalStandardspecifiestherequiredelementsofmappingsbetweentheLIdatatypesandthedatatypesofsomeotherlanguage.ThisInternationalStandarddoesnotspecifythepreciseformofamapping,butrathertherequiredinformationcontentofamapping.
【中国标准分类号】:L74
【国际标准分类号】:35_060
【页数】:106P.;A4
【正文语种】:英语


【英文标准名称】:Fertilizers-DeterminationofN-(2-nitrophenyl)phosphorictriamide(2-NPT)inureaandfertilizerscontainingurea-Methodusinghigh-performanceliquidchromatography(HPLC).
【原文标准名称】:肥料.尿素和含尿素肥料中氮(2硝基)含磷三酰胺(2-NPT)的测定.高性能液相色谱法(HPLC)
【标准号】:NFU42-164-2011
【标准状态】:现行
【国别】:法国
【发布日期】:2011-12-01
【实施或试行日期】:2011-12-23
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Additives;Agriculture;Chemicalanalysisandtesting;Determinationofcontent;Fertilizers;Highperformanceliquidchromatography;HPLC;Inter-laboratorytests;Liquidchromatography;Samples;Soilimprovement;Soilimprovingmaterials;Specimenpreparation;Testing;Urea
【摘要】:
【中国标准分类号】:G21
【国际标准分类号】:65_080
【页数】:12P;A4
【正文语种】:其他