DIN 68861-1-1981 家具表面.抗化学作用的性能
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【英文标准名称】:Furnituresurfaces;behaviouratchemicalinfluence
【原文标准名称】:家具表面.抗化学作用的性能
【标准号】:DIN68861-1-1981
【标准状态】:作废
【国别】:德国
【发布日期】:1981-12
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(审批);表面;家具;作标记
【英文主题词】:furniture;specification(approval);surfaces;marking
【摘要】:
【中国标准分类号】:Y80
【国际标准分类号】:97_140
【页数】:5P;A4
【正文语种】:德语
基本信息
标准名称: | 埋地钢质管道硬质聚氨酯泡沫塑料防腐保温层技术标准 |
英文名称: | Standard of polyurethane foamed coating for buried steel pipeline |
中标分类: |
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ICS分类: |
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替代情况: | SYJ 18-86 SYJ 4015-87 SYJ 4016-87 |
发布部门: | 中国石油天然气总公司 |
发布日期: | 1996-11-15 |
实施日期: | 1997-06-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
出版社: | 石油工业出版社 |
出版日期: | 1900-01-01 |
页数: | 36页 |
适用范围
本标准适用于输送介质温度不超过100摄氏度的埋地钢质管道泡沫塑料防腐保温层的设计、施工与验收。
前言
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引用标准
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所属分类:
【英文标准名称】:Informationtechnology-Multimediaframework(MPEG-21)-Part1:Vision,TechnologiesandStrategy
【原文标准名称】:信息技术.多媒体框架(MPEG-21).第1部分:展望、技术和策略
【标准号】:ISO/IECTR21000-1-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-11
【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/SC29
【标准类型】:()
【标准水平】:()
【中文主题词】:信息技术;信息交换;视频信号;编码;图像处理;多媒体;数据处理;定义;代码表示;MPEG;尺寸;计算机制图
【英文主题词】:Codedrepresentation;Computergraphics;Dataprocessing;Definition;Definitions;Encoding;Formats;Imageprocessing;Informationinterchange;Informationtechnology;MPEG;Multimedia;Videosignals
【摘要】:1.1IntroductionMPEG-21willprovideanover-archingframeworkwithinwhichmanyelementsofmultimediaarebroughttogether.Inparticular,codedrepresentationsofcontentwillbejuxtaposedwithmetadatadescriptorsandtheIntellectualPropertyManagementandProtection(IPMP)protectionthatapplytothecontent.Thisleadstoarequirementfortoolsthatcancreateandmaintain(e.g.detectorextract)anassociationbetweencontent,metadataandIPMPelementswithinMPEG-21.Toolsbasedonthetechniquesknownas“watermarking”and“fingerprinting”offerameanstoformassociationsbetweenmultimediaelementsandtherelatedinformation,wherethatassociationcanbedirectlyembeddedwithinorinferredfromthecontentitself.Furthermore,toolsbasedonwatermarkingandfingerprintingallowsuchinferencestopersistinthefaceofadaptationofthecontent.SuchtoolsaretermedPersistentAssociationTechnologies(PAT)andwithinMPEG-21thereisaneedtoassessandevaluatethesetools.ThisreportsetsoutaprocessandplanforevaluatingPAT.ItdoesnotprovideinformationonhowtonormativelyinterpretresultsoftestsconductedinaccordancewiththisTechnicalReportastheselectionofasetofspecificevaluationproceduresdependsontheapplicationscenario.ThisTechnicalReportfocusesontheevaluationoftwoclassesoftechnology:watermarksandfingerprints(seeDefinitionsinSubclause2.1)whenappliedtoAudiocontent.ItisexpectedthatthescopeofthisTechnicalReportwillbeenhancedinfuturetocoverothermediatypesincludingvideo,stillpicturesandtext.ThisTechnicalReportdescribesevaluationmethodologiesforonlysomeofthecharacteristicsofthesetechnologies.Inparticular,itdoesnotattempttodefinemethodologiesforevaluatingtheresistanceofthesetechnologiestodeliberateattackontheassociation.FurtherdetailiscontainedinClause7.1.2BackgroundtoISO/IECTR21000-11RecognisingthatthestandardisationofPersistentAssociationTechnologies(PAT)isnotcurrentlythoughttobeviableinthecontextofMPEG-21andthewiderinternationalstandardisationcommunity,ISO/IECJTC1/SC29/WG11(MPEG)examinedoptionswhichwouldallowittoassisttheadoptionofPATbyindustry.AcallforRequirementsonPATwasissuedandgeneratednumerousresponses.TheanalysisoftheseresponseshasallowedWG11tounderstandthecharacteristicsofPATthatmayberequired.ThisanalysisalsoshowedbothaneedandapossibilitytoestablishaconsensusapproachtotheEvaluationofsuchtechnologieswhichwouldbeusefulinselectingappropriatetechnologiesforparticularapplications.1.3OrganisationoftheDocumentISO/IEC21000-11containsnineclauses.Clauses1and2setoutthescopeofthisTechnicalReport,providedefinitionfortermsandalistofabbreviationsusedandnotused.Clause3thenfamiliarisesthereaderfourdifferentpersistentassociationtechnologyparadigmsbyprovidingareferencearchitectureforeachofthediscussedPATparadigms1).Clauses4and5containshortusecasescenariosforhowtousePersistentAssociationTechnologies,andhowtoevaluatesuchtechnologies.Clause6thenliststhesevencharacteristicparametersofPATthatcanbeusedtoevaluatesuchtechnologies.BeforethemaindiscussionontheevaluationmethodologyisdiscussedinClause8,Clause7containsadiscussiononissuessuchassecurityandmaliciousattacks.
【中国标准分类号】:L81
【国际标准分类号】:35_040
【页数】:38P;A4
【正文语种】:英语