ANSI/ISO/IEC 13818-2-2000 信息技术.移动画面和有关音频信息的通用编码.第2部分:视频

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【英文标准名称】:InformationTechnology-GenericCodingofMovingPicturesandAssociatedAudioInformation:Video
【原文标准名称】:信息技术.移动画面和有关音频信息的通用编码.第2部分:视频
【标准号】:ANSI/ISO/IEC13818-2-2000
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【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】:编码(数据转换);视听资料;图像处理;信息技术
【英文主题词】:informationtechnology;audiovisualmaterials;coding(dataconversion);imageprocessing
【摘要】:Specifiesthecodedrepresentationofpictureinformationfordigitalstoragemediaanddigitalvideocommunicationandspecifiesthedecodingprocess.Therepresentationsupportsconstantbitratetransmission,variablebitratetransmission,randomaccess,channelhopping,scalabledecoding,bitstreamediting,aswellasspecialfunctionssuchasfastforwardplayback,fastreverseplayback,slowmotion,pauseandstillpictures.ThisRecommendation/InternationalStandardisforwardcompatiblewithISO/IEC11172-2andupwardordownwardcompatiblewithEDTV,HDTV,SDTVformats.ThisRecommendation/InternationalStandardisprimarilyapplicabletodigitalstoragemedia,videobroadcastandcommunication.Thestoragemediamaybedirectlyconnectedtothedecoder,orviacommunicationsmeanssuchasbusses,LANs,orteleommunicationlinks.
【中国标准分类号】:M73
【国际标准分类号】:35_040;33_160_60
【页数】:
【正文语种】:英语


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【英文标准名称】:PracticeforDeterminingChemicalResistanceofThermosettingResinsUsedinGlass-Fiber-ReinforcedStructuresIntendedforLiquidService
【原文标准名称】:液体设备的玻璃纤维增强结构用热固性树脂耐化学腐蚀性测定的实施规范
【标准号】:ANSI/ASTMC581-2003
【标准状态】:现行
【国别】:美国
【发布日期】:2003-07-10
【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】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:热塑性聚合物;树脂;增强的材料;耐化学性;玻璃纤维增强的;塑料制品;塑料;耐力;建筑
【英文主题词】:Chemicalresistance;Construction;Glass-fibrereinforced;Plastics;Plasticsproducts;Reinforcedmaterials;Resins;Resistance;Thermoplasticpolymers
【摘要】:Thispracticeisdesignedtoevaluate,inanunstressedstate,thechemicalresistanceofthermosettingresinsusedinthefabricationofreinforcedthermosettingplastic(RTP)laminates.Thispracticeprovidesforthedeterminationofchangesintheproperties,describedasfollows,ofthetestspecimensandtestreagentafterexposureofthespecimenstothereagent:hardnessofspecimens,weightchangethickness,appearanceofspecimens,appearanceofimmersionmedia,andflexuralstrengthandmodulus.Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesinparenthesesaregivenforinformationonly.Note1-Thispracticemayalsobeusedtoevaluateotherfactors,suchassurfacingveils,theeffectofresinadditives,andfabricationvariablesonthechemicalresistanceoftheresin.Note2-ThereisnosimilarorequivalentISOstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q23
【国际标准分类号】:83_120
【页数】:
【正文语种】:英语


【英文标准名称】:Cranes;controls;layoutandcharacteristics;part3:towercranes
【原文标准名称】:起重机控制装置布置形式和特性第3部分:塔式起重机
【标准号】:ISO7752-3-1993
【标准状态】:作废
【国别】:国际
【发布日期】:1993-12
【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/TC96
【标准类型】:()
【标准水平】:()
【中文主题词】:提升设备;起重机;塔式起重机;控制装置;特性;控制
【英文主题词】:Control;Controldevices;Cranes;Ergonomics;Liftingequipment;Properties;Towercranes
【摘要】:SpecifiestheparticularrequirementsforcontrolsfortowercranesasdefinedinISO4306-1andISO4306-3andthearrangementofbasiccontrolsusedforpositioningloads.Appliestothecontrolsoftowercranesforbuildingandgeneralconstructionworkthatcanbedismantled,permanentlyerectedtowercranes,hammerheadcranes,docksideandshipbuilders'towercranes.Doesnotapplytothecontrolsofpower-drivenmobilejibcraneswhichmaybefittedwithatowerattachmentanderectionmasts,withorwithoutjibs.
【中国标准分类号】:J80
【国际标准分类号】:53_020_20
【页数】:3P;A4
【正文语种】:英语