ISO 9223-2012 金属与合金的腐蚀大气腐蚀性分类,检测,评价
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【英文标准名称】:Corrosionofmetalsandalloys-Corrosivityofatmospheres-Classification,determinationandestimation
【原文标准名称】:金属与合金的腐蚀大气腐蚀性分类,检测,评价
【标准号】:ISO9223-2012
【标准状态】:现行
【国别】:国际
【发布日期】:2012-02-01
【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/TC156
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Alloys;Assessment;Atmosphericcorrosion;Classification;Corrosionprotection;Corrosivity;Definitions;Design;Determination;Instruments;Materialstesting;Metallicmaterials;Metals;Probability
【摘要】:
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:15P;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology—Metadataregistries(MDR)—Part3:Registrymetamodelandbasicattributes
【原文标准名称】:信息技术.元数据记录(MDR).第3部分:记录元模型和基本属性
【标准号】:ANSIISO/IEC11179-3-2003(R2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003-02-15
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:TheprimarypurposeofISO/IEC11179-3istospecifythestructureofaMetadataRegistry(see1.1).ISO/IEC11179-3alsospecifiesbasicattributeswhicharerequiredtodescribemetadataitems,andwhichmaybeusedinsituationswhereacompletemetadataregistryisnotappropriate(e.g.inthespecificationofotherInternationalStandards)(see1.2).1.3identifiesaspectsnotcurrentlyaddressed.1.4providesexamplesofactivitieswhereISO/IEC11179-3maybeapplied.1.1Scope–StructureofaMetadataRegistryAcomprehensiveMetadataRegistrymanagementfunctionrequiresasetofrulesandprocedures.TheserulesandproceduresaresetoutinthefollowingClausesandAnnexesandarecomplementedelsewhereinthisdocumentasfollows:a)thedefinitionsofmetadataobjectsareinClause3.3ofthispartofISO/IEC11179;b)thestructureoftheregistryintheformofaconceptualdatamodelisinClause4ofthispartofISO/IEC11179;AspectsoftheregistryareexpandedoninotherpartsofISO/IEC11179,asfollows:a)theoverallframeworkforthisfamilyofInternationalStandardsisspecifiedinISO/IEC11179-1;b)rulesandguidelinesforclassifyingmetadataareinISO/IEC11179-2;c)rulesandguidelinesfortheformulationofdefinitionsareinISO/IEC11179-4;d)namingandidentifyingprinciplesformetadataareinISO/IEC11179-5;e)rulesandguidelinesforregisteringmetadataareinISO/IEC11179-6.WhilethemodeldiagramsarepresentedinUMLnotation,thispartofISO/IEC11179doesnotassumenorendorseanyspecificsystemenvironment,databasemanagementsystem,databasedesignparadigm,systemdevelopmentmethodology,datadefinitionlanguage,commandlanguage,systeminterface,userinterface,computingplatform,oranytechnologyrequiredforimplementation.ThispartofISO/IEC11179doesnotdirectlyapplytotheactualuseofdataincommunicationsandinformationprocessingsystems.1.2Scope–BasicattributesofmetadataitemsThispartofISO/IEC11179alsospecifiesbasicattributeswhicharerequiredtodescribemetadataitems,andwhichmaybeusedinsituationswhereacompleteMetadataRegistryisnotappropriate(e.g.inthespecificationofotherInternationalStandards).ThesebasicattributesaredescribedinClause5.1.3Scope–AspectsnotcurrentlyaddressedThispartofISO/IEC11179doesnotcurrentlysupportthefollowingrequirements;a)Complexdatastructures,encapsulation,stereotypingandinheritance;b)AbilitytoenforceuniquenessofnameswithinaContext;c)SpecificationofNamingConventionsforaContext;d)Designationsotherthannames(e.g.icons);e)SpecificationofTimeinadditiontoDate;f)Prescribedconceptualdomainsandvaluedomainsfortheattributesinthemetamodel;g)RegistrationofXMLdocumentsorXMLschemas;h)ApplicationProgrammingInterfaces(APIs)andassociatedbindingstoaccessaregistry;i)Multilingualsupport,exceptfornamesanddefinitions;j)Culturaladaptability.ItisanticipatedthatsomeoralloftheserequirementswillbeaddressedinfutureeditionsofthispartofISO/IEC11179,orincompanionstandardsortechnicalreports.1.4AreasofApplicabilityThispartofISO/IEC11179appliestoactivitiesincluding:a)thedefinition,specificationandcontentsofmetadataregistries,includinginterchangingorreferencingamongvariouscollectionsofdataelements;b)thedesignandspecificationofapplication-orienteddatamodels,databasesandmessagetypesfordatainterchange;c)theactualuseofdataincommunicationsandinformationprocessingsystems;d)interchangeorreferenceamongvariouscollectionsofmetadata.
【中国标准分类号】:L72
【国际标准分类号】:35_040
【页数】:108P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 低压管道输水灌溉工程技术规范（井灌区部分） SL/T 153-95 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1996-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
适用范围
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前言
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引用标准
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所属分类： 工程建设 水利 水电工程 水利 水电工程综合
