ISO/IEC 14496-5 AMD 9-2007 信息技术.音视对象的编码.第5部分:参考软件.修改件9:渐变和纹理参考软件
作者:标准资料网 时间:2024-05-15 18:21:26 浏览:9957
来源:标准资料网
【英文标准名称】:Informationtechnology-Codingofaudio-visualobjects-Part5:Referencesoftware;Amendment9:Morphing&Texturesreferencesoftware
【原文标准名称】:信息技术.音视对象的编码.第5部分:参考软件.修改件9:渐变和纹理参考软件
【标准号】:ISO/IEC14496-5AMD9-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-04-01
【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/IECJTC1/SC29
【标准类型】:()
【标准水平】:()
【中文主题词】:听觉信号;音视;编码表示法;编码(数据转换);计算机软件;数据处理;编码;(数据)格式;图形数据处理;图像处理;信息交换;信息技术;语言;形态;多媒体;对象;参考材料;参考;结构;视频信号
【英文主题词】:Acousticsignals;Audiovisual;Codedrepresentation;Coding(dataconversion);Computersoftware;Dataprocessing;Encoding;Formats;Graphicdataprocessing;Imageprocessing;Informationinterchange;Informationtechnology;Languages;Morphology;Multimedia;Object;Referencematerials;References;Structure;Videosignals
【摘要】:ThisstandardisInformationtechnology-Codingofaudio-visualobjects-Part5:Referencesoftware;Amendment9:Morphing&Texturesreferencesoftware.
【中国标准分类号】:L71
【国际标准分类号】:35_040
【页数】:8P.;A4
【正文语种】:英语
【英文标准名称】:Machinetools;Multi-spindleheads;DrivingpinionsTypeA
【原文标准名称】:机床.多轴头.A型传动小齿轮
【标准号】:DIN69001-31-1981
【标准状态】:现行
【国别】:德国
【发布日期】:1981-10
【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】:轴头;机床;齿轮;材料;动力传动系统;尺寸
【英文主题词】:machinetools;materials;dimensions;gearwheels;powertransmissionsystems;spindlenoses
【摘要】:Machinetools;multi-spindleheads;drivingpinionsformA
【中国标准分类号】:J51
【国际标准分类号】:25_060_20
【页数】:1P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforParticleSizeDistributionofMetalPowdersandRelatedCompoundsbyLightScattering
【原文标准名称】:用光散射作金属粉末和相关化合物的粒度分布测试的标准试验方法
【标准号】:ASTMB822-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:B09.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:laserdiffraction;lightscattering;metalpowders;particlesizedistribution;powdermetallurgy;NumberCode19.120(Particlesizeanalysis.Sieving)
【摘要】:Reportedparticlesizemeasurementisafunctionofboththeactualparticledimensionandshapefactoraswellastheparticularphysicalorchemicalpropertiesbeingmeasured.Cautionisrequiredwhencomparingdatafrominstrumentsoperatingondifferentphysicalorchemicalparametersorwithdifferentparticlesizemeasurementranges.Sampleacquisition,handling,andpreparationcanalsoaffectreportedparticlesizeresults.5.1.1Itisimportanttorecognizethattheresultsobtainedbythistestmethod,oranyothermethodforparticlesizedeterminationusingdifferentphysicalprinciples,maydisagree.Theresultsarestronglyinfluencedbythephysicalprinciplesemployedbyeachmethodofparticlesizeanalysis.Theresultsofanyparticlesizingmethodshouldbeusedonlyinarelativesense;theyshouldnotberegardedasabsolutewhencomparingresultsobtainedbyothermethods.Lightscatteringtheoryhasbeenavailableformanyyearsforuseinthedeterminationofparticlesize.Severalmanufacturersoftestingequipmentnowhaveunitsbasedontheseprinciples.Althougheachtypeoftestingequipmentusesthesamebasicprinciplesforlightscatteringasafunctionofparticlesize,differentassumptionspertinenttoapplicationofthetheory,anddifferentmodelsforconvertinglightmeasurementstoparticlesize,mayleadtodifferentresultsforeachinstrument.Therefore,theuseofthistestmethodcannotguaranteedirectlycomparableresultsfromdifferenttypesofinstruments.Knowledgeoftheparticlesizedistributionofmetalpowdersisusefulinpredictingthepowder-processingbehaviorandultimateperformanceofpowdermetallurgyparts.Particlesizedistributionisrelatedcloselytotheflowability,moldability,compressibility,anddie-fillingcharacteristicsofapowder,aswellastothefinalstructureandpropertiesoffinishedpowdermetallurgy(P/M)parts.Thistestmethodisusefultobothsuppliersandusersofpowdersindeterminingtheparticlesizedistributionsforproductspecifications,manufacturingcontrol,development,andresearch.Thistestmethodmaybeusedtoobtaindataforcomparisonbetweenlotsofthesamematerialorforestablishingconformance,asinacceptancetesting.1.1Thistestmethodcoversthedeterminationoftheparticlesizedistributionbylightscattering,reportedasvolumepercent,ofparticulatematerialsincludingmetalsandcompounds.1.2Thistestmethodappliestoanalyseswithbothaqueousandnonaqueousdispersions.Inaddition,analysiscanbeperformedwithagaseousdispersionformaterialsthatarehygroscopicorreactwithaliquidcarrier.1.3Thistestmethodisapplicabletothemeasurementofparticulatematerialsintherangeof0.4to2000m,orasubsetofthatrange,asapplicabletotheparticlesizedistributionbeingmeasured.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A42
【国际标准分类号】:19_120
【页数】:3P.;A4
【正文语种】:
