【英文标准名称】:Informationtechnology-Lossy/losslesscodingofbi-levelimages
【原文标准名称】:信息技术二值图象的有损耗/无损耗编码
【标准号】:ISO/IEC14492-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-12
【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
【标准类型】:()
【标准水平】:()
【中文主题词】:数据处理;图像处理;压缩;编码;数字记录法;信息技术;编码(数据转换);规范;图像;数字;膨胀;定义;代码表示
【英文主题词】:Codedrepresentation;Coding(dataconversion);Compression;Dataprocessing;Definition;Definitions;Digitalrecordingmethods;Encoding;Expansion(deformation);Figures;Imageprocessing;Images;Informationtechnology;Specification
【摘要】:ThisRecommendation|InternationalStandarddefinesmethodsforcodingbi-levelimagesandsetsofimages(documentsconsistingofmultiplepages).Itisparticularlysuitableforbi-levelimagesconsistingoftextanddithered(halftone)data.Themethodsdefinedpermitlossless(bit-preserving)coding,lossycoding,andprogressivecoding.Inprogressivecoding,thefirstimageislossy;subsequentimagesmaybelossyorlossless.ThisRecommendation|InternationalStandardalsodefinesfileformatstoenclosethecodedbi-levelimagedata.
【中国标准分类号】:L81
【国际标准分类号】:35_040
【页数】:149P;A4
【正文语种】:英语


【英文标准名称】:Hotrolledproductsofstructuralsteels-Generaltechnicaldeliveryconditions
【原文标准名称】:非合金结构钢.一般交货技术条件
【标准号】:BSEN10025-1-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-11-17
【实施或试行日期】:2004-11-17
【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】:验收规范;CE标记;化学成分;分类;分类系统;合格;建筑;施工材料;定义;定义(术语);交货条件;密度;尺寸规格;细晶粒结构钢;热轧的;作标记;质量(物质);机械性能;生产;生产控制;特性;规范(验收);钢产品;钢;结构钢;测试;非合金钢
【英文主题词】:Acceptancespecification;CEmarking;Chemicalcomposition;Classification;Classificationsystems;Conformity;Construction;Constructionmaterials;Definition;Definitions;Deliveryconditions;Density;Dimensions;Fine-grainstructuralsteels;Hotrolled;Marking;Mass;Mechanicalproperties;Production;Productioncontrol;Properties;Specification(approval);Steelproducts;Steels;Structuralsteels;Testing;Unalloyedsteels
【摘要】:1Thisdocumentspecifiesrequirementsforflatandlongproducts(seeClause3)ofhotrolledstructuralsteelsexcludingstructuralhollowsectionsandtubes.Part1ofthisdocumentspecifiesthegeneraldeliveryconditions.ThespecificrequirementsforstructuralsteelsaregiveninthefollowingParts:Part2:Technicaldeliveryconditionsfornon-alloystructuralsteelsPart3:Technicaldeliveryconditionsfornormalized/normalizedrolledweldablefinegrainstructuralsteelsPart4:TechnicaldeliveryconditionsforthermomechanicalrolledweldablefinegrainstructuralsteelsPart5:TechnicaldeliveryconditionsforstructuralsteelswithimprovedatmosphericcorrosionresistancePart6:TechnicaldeliveryconditionsforflatproductsofhighyieldstrengthstructuralsteelsinthequenchedandtemperedconditionThesteelsspecifiedinthisdocumentareintendedforuseinwelded,boltedandrivetedstructures.2ThisdocumentdoesnotapplytocoatedproductsortosteelproductsforgeneralstructuralapplicationsinaccordancewiththestandardsanddraftstandardslistedintheBibliography.
【中国标准分类号】:H40
【国际标准分类号】:77_140_10;77_140_50
【页数】:36P.;A4
【正文语种】:英语