【英文标准名称】:Weldingandalliedprocesses-Determinationofhydrogencontentinferriticsteelarcweldmetal.
【原文标准名称】:焊接和相关工艺.铁素体钢电弧焊金属中氢含量的测定
【标准号】:NFA81-305-2001
【标准状态】:作废
【国别】:法国
【发布日期】:2001-02-01
【实施或试行日期】:2001-02-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:干燥;焊接金属;电焊;基准方法;涂剂焊条;氢;抽样方法;尺寸;铁素体;测量;可扩散氢;试验设备;全焊金属;焊接电流;焊接填充金属;试验报告;公差(测量);电焊条;试验装置;钢;焊接工程;分析;焊接;铁素体钢;杂质;试验;电弧焊接;化学分析和试验;手工的;含量测定
【英文主题词】:All-weldmetals;Analysis;Arcwelding;Chemicalanalysisandtesting;Coveredelectrodes;Determinationofcontent;Diffusiblehydrogen;Dimensions;Drying;Electricwelding;Ferritic;Ferriticsteels;Hydrogen;Impurities;Manual;Measurement;Referencemethods;Rodelectrodes;Samplingmethods;Steels;Testequipment;Testreports;Testing;Testingdevices;Tolerances(measurement);Weldmetal;Welding;Weldingcurrent;Weldingengineering;Weldingfillermetals
【摘要】:
【中国标准分类号】:J33
【国际标准分类号】:25_160_40
【页数】:28P.;A4
【正文语种】:其他


【英文标准名称】:Digitallivingnetworkalliance(DLNA)homenetworkeddeviceinteroperabilityguidelines-Part2:DLNAmediaformats(IEC62481-2:2007);TextinEnglish
【原文标准名称】:数字生活网络联盟(DLNA)家用网络装置互用性指南.第2部分:DLNA媒体格式
【标准号】:DINIEC62481-2-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:适配器;音频的;电路网络;通信;通信系统;兼容性;压缩;计算机软件;数据压缩;数据交换;数据格式;数据传送;定义;装置配置;电气工程;英语;娱乐电子学;(数据)格式;指南;家用网络;信息交换;接口;接口(数据处理);因特网协议;交替使用性;媒体格式;多媒体;网络管理;信号传输;软件;规范(验收);视频
【英文主题词】:Adapters;Audio;Circuitnetworks;Communication;Communicationsystems;Compatibility;Compression;Computersoftware;Datacompression;Dataexchange;Dataformats;Datatransfer;Definition;Definitions;Deviceconfiguration;Electricalengineering;Englishlanguage;Entertainmentelectronics;Formats;Guidelines;Homenetwork;Informationinterchange;Interfaces;Interfaces(dataprocessing);InternetProtocol;Interoperability;Mediaformats;Multimedia;Networkmanagement;Signaltransmission;Software;Specification(approval);Telecommunications;Video
【摘要】:ThispartofIEC62481specifiestheDLNAmediaformatprofilesapplicabletoIEC62481-1.Mediaformatprofilesaredefinedforeachofthefollowingmediaclasses:audio,image,andAV.Inaddition,profileIDvaluesthatidentifymediacollectionsandprinterXHTMLdocumentsarealsointroduced.Itisenvisionedthatinthehomenetworkenvironment,deviceswillbecapableofexchangingcontentitemsthatoriginatefromdifferentsources.Contentitemswilltypicallycomeencodedindifferentformats.Theterm"format"designatesthecompressionandencodingtoolsutilizedtogeneratethebinaryinstanceofacontentitem,whichwillbeeventuallyexchangedoverthehomenetworkusingstreamingorfiletransferprotocols.ExamplesofformatsincludeMPEG-2,MPEG-4,WMVandothersforvideo;orMP3,AAC,WMAandothersforaudio.Formatsalone,however,includeaspartoftheirspecifications,multipleparameters,featuresandtoolswhichcanbeusedinamyriadofcombinationstogeneratecontentbinaries.Inthisstandard,thenotionofaformatprofileisintroducedtoidentifyaparticularsuitablecombinationofformatparameterswhichdefineawayforrepresentingcontentbinaries.AformatlikeMPEG-2,forexample,canhavemultipleprofilesdependingonselectionsforthecompanionaudio,thesystem-layermultiplexingspecifications,allowedframeresolutions,allowedaspectratios,allowedbitrates,etc.Thisstandardprovidesaquasi-exhaustivelistofbroadly-usedformatprofilesforimage,audio,andAVformats.Foreachparticularformatprofile,thisstandarddefinesaprofileIDtexttokentobeusedduringtheDLNAmediadiscoveryandmediatransferoperations.TheprofileIDisexposedinaserver'scontentdirectoryservice(CDS)tosignaltopotentialnetworkedplayersorrendererstheexistenceofacontentitemwithparticularcodingandcompressionfeaturesdefinedpreciselybytheitem'sprofileID.ThisstandardalsodescribestheusesofformatprofileswhichdefinemediacollectionsandprinterXHTMLdocuments.Thenumberofpotentialcombinationsforsuitableprofilesbecomeslargeratherquickly,asevidencedbythelongprofilelistsobservedinthedifferentsectionsofthisstandard.Consequently,thisstandardintroducesthenotionofmandatoryprofiles,supportedbyalldevices,asameanstoprovidebaselinecontentinteroperabilityinthehome.Servershavetobecapableofexposingandtransferringmandatoryprofileswhileplayersandrenderershavetobecapableofdecodingandrenderingthemandatoryprofiles.Unfortunately,mandatoryformatprofilescannotbedefineduniversallytosuitallscenarios.Forthisreason,thedefinitionofmandatoryprofilesismadetakingintoaccountthegeographicalregionandthetargetdevicecategory.
【中国标准分类号】:M11
【国际标准分类号】:33_160_60;35_040;35_110
【页数】:246P.;A4
【正文语种】:英语