ASTM C 1315-2006 固化混凝土和密封混凝土液膜性化合物特种性能的标准规范

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MIL-DTL-28840C, DETAIL SPECIFICATION: CONNECTORS, ELECTRICAL, CIRCULAR, THREADED, HIGH DENSITY, HIGH SHOCK, SHIPBOARD, CLASS D, GENERAL SPECIFICATION FOR (13 MAY 2009)., This specification covers circular electrical connectors with removable crimp front release contacts. These connectors are for use with jacketed cable in shipboard applications.【英文标准名称】:Informationtechnology-Metadataregistries(MDR)-Part2:Classification
【原文标准名称】:信息技术.元数据注册(MDR).第2部分:分类
【标准号】:ISO/IEC11179-2-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-11
【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/IECJTC1/SC32
【标准类型】:()
【标准水平】:()
【中文主题词】:特性;分类系统;数据元;数据处理;数据表示;定义;测定;信息交换;信息技术;元数据;规范;标准化
【英文主题词】:Characteristics;Classificationsystems;Dataelements;Dataprocessing;Datarepresentation;Definitions;Determinations;Informationinterchange;Informationtechnology;Metadata;Specification;Standardization
【摘要】:ThispartofISO/IEC11179restatesandelaboratesontheproceduresandtechniquesofISO/IEC11179-3:2003forregisteringclassificationschemesandclassifyingadministereditemsinanMDR.Alltypesofadministereditemscanbeclassified,includingobjectclasses,properties,representations,valuedomains,anddataelementconcepts,aswellasdataelementsthemselves.ThispartofISO/IEC11179developsasetofprinciples,methods,andproceduresforspecifyingwhatisneeded(ataminimum)todocumenttheassociationbetweenthevarioustypesofadministereditemsandoneormoreclassificationschemes.Thisincludesthenames,definitions,andotheraspectsoftheclassificationschemeanditscontents.Thesecanbecapturedthroughuseofasetofattributes.ParticularattributesarespecifiedinthispartofISO/IEC11179,alongwithastructureforthecontentsoftheseattributes.Usersmayextendthesetofattributesasnecessary.Additionalinformationmayaccompanyataxonomyorontology;forexample,toprovideasuggestedsetofqualifiersthatcouldbeappliedtotheobjectclass,property,orrepresentationtaxatomorefullyqualifytheclassificationoftheparticularadministereditem.ThispartofISO/IEC11179summarizesthebasicattributesandmodelspecifiedinISO/IEC11179-3:2003.AnexampleinthispartofISO/IEC11179showshowselectedcomponentsofdataelementscanbeassociatedwithaclassificationschemethroughtheattributesspecifiedinthispartofISO/IEC11179.Useofoneormoreclassificationschemesisintendedtoprovideasoundconceptualbasisforthedevelopmentofmetadatahavingenhancedsemanticpurityanddesignintegrity.ThispartofISO/IEC11179doesnotestablishaparticularclassificationschemeaspreeminent.Sanctionofaparticulartaxonomicapproachand/oraparticularepistemologyisalsobeyondthescopeofthispartofISO/IEC11179.Theseareaddressedbyotherstandardscommitteesand/ortendtobetailoredtoaparticulardomainofdiscourse.Thepoweroftheclassificationschemeandtheutilityofthecontentareappropriateareasforcompetition.Otherstandardscommitteesaredevelopingorhavedevelopednormativelanguagesforuseinclassificationand/orparticulartechniquesandstructuresthatcanbeaccommodatedbythisInternationalStandard.Forexample,theNationalInformationStandardsOrganization(NISO)hasdevelopedastandardfordevelopmentofathesaurus.Itisappropriateforeachclassificationstructuretobedocumentedastohowitwasdevelopedandhowitcanbeextendedandmaintained.Suchattributescouldbeadded,bytheprincipleofextensibility,totheattributesspecifiedinthispartofISO/IEC11179.Theyarenot,however,includedhere.EachRegistrationAuthority,asdescribedandspecifiedinISO/IEC11179-6,mayclassifyadministereditemsaccordingtotheclassificationschemes,structures,andcontentthatitdeemsappropriate.Indocumentingtheclassificationaspectsofadministereditems,theRegistrationAuthoritymayusetheprinciples,methods,procedures,andattributesspecifiedinthispartofISO/IEC11179.
【中国标准分类号】:L71
【国际标准分类号】:35_040
【页数】:9P;A4
【正文语种】:英语