简介：OurJournalATAwasfoundintheWinterof1984atthebeautifulcoastalcityDalian,China,theEditorsinchiefwereProfessorC.K.Chui(abroad),andthelateProfessorM.D.Cheng(domestic).20years,itseemstobeshort,however,theJournalhasdevelopedquicklyandchangedalot.

简介：说出的比赛是为一种语言或一个通讯系统的自我组织的出现的nonequilibrium动力学的一个模型。我们学习扬声器与与exp成正比的可能性从它的库存在选择一个词的最小的说出游戏的一个修改版本(R*一)，在R是名字的成功比率的地方并且一是一个悦耳的参数。由调查效果一上为方形的格子和没有规模的网络的进化过程，我们发现集中时间与增加减少一上二联网，它显示成功的词的优先的选择能加速到达一致。更有趣地，为一>0，我们发现在集中之间的关系预定并且一展览一种幂定律形式。[从作者抽象]

简介：Speakervariabilityisanimportantsourceofspeechvariationswhichmakescontinuousspeechrecognitionadifficulttask.Adaptingautomaticspeechrecognition(ASR)modelstothespeakervariationsisawell-knownstrategytocopewiththechallenge.AlmostallsuchtechniquesfocusondevelopingadaptationsolutionswithintheacousticmodelsoftheASRsystems.Althoughvariationsoftheacousticfeaturesconstituteanimportantportionoftheinter-speakervariations,theydonotcovervariationsatthephoneticlevel.Phoneticvariationsareknowntoformanimportantpartofvariationswhichareinfluencedbybothmicro-segmentalandsuprasegmentalfactors.Inter-speakerphoneticvariationsareinfluencedbythestructureandanatomyofaspeaker'sarticulatorysystemandalsohis/herspeakingstylewhichisdrivenbymanyspeakerbackgroundcharacteristicssuchasaccent,gender,age,socioeconomicandeducationalclass.Theeffectofinter-speakervariationsinthefeaturespacemaycauseexplicitphonerecognitionerrors.Theseerrorscanbecompensatedlaterbyhavingappropriatepronunciationvariantsforthelexiconentrieswhichconsiderlikelyphonemisclassificationsbesidespronunciation.Inthispaper,weintroducespeakeradaptivedynamicpronunciationmodels,whichgeneratedifferentlexiconsforvariousspeakerclustersanddifferentrangesofspeechrate.Themodelsarehybridsofspeakeradaptedcontextualrulesanddynamicgeneralizeddecisiontrees,whichtakeintoaccountwordphonologicalstructures,rateofspeech,unigramprobabilitiesandstresstogeneratepronunciationvariantsofwords.EmployingthesetofspeakeradapteddynamiclexiconsinaFarsi(Persian)continuousspeechrecognitiontaskresultsinworderrorratereductionsofasmuchas10.1%inaspeaker-dependentscenarioand7.4%inaspeaker-independentscenario.

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简介：这篇论文涉及近似可控制性的费用和热方程的空可控制性的界限，即，最小的Lp需要近似控制系统的控制或控制的标准和L∞标准需要驾驶系统的状态到零。我们使用的方法联合observability不平等，为热方程的精力估计和双理论。

简介：Westudyaninventorysysteminwhichproductsareorderedfromoutsidetomeetdemands,andthecumulativedemandisgovernedbyaBrownianmotion.Excessivedemandisbacklogged.Wesupposethattheshortageandholdingcostsassociatedwiththeinventoryaregivenbyageneralconvexfunction.Theproductorderingfromoutsideincursalinearorderingcostandasetupfee.Thereisaconstantleadtimewhenplacinganorder.Theoptimalpolicyisestablishedsoastominimizethediscountedcostincludingtheinventorycostandorderingcost.

简介：在这篇论文，我们以速度在二台一致机器上调查安排问题的变体1；s。为这个问题，我们被给二台潜在的一致机器处理独立工作的一个序列。机器需要在开始到过程前被激活，；激活的每台机器招致固定机器激活费用。没有机器开始被激活，；当一个工作被揭示时，算法有选择激活新机器。目的是最小化makes平底锅的和；机器激活费用。我们与竞争比率设计最佳的联机算法(2s+1)为每s≥1的/(s+1)。

简介：在这份报纸，我们从反对称的立方的地图在分离动态系统学习词的组合性质。我们也讨论长度n的原始按摩序列和长度2n的加倍时期的按摩序列的关系，然后决定长度n的所有按摩序列的数字。

简介：Afewclassesoforganiccompoundsarepromisingelectrode-activematerialsduetotheirhighpowerandenergydensities,lowcost,environmentalfriendliness,andfunctionality.Inthepresentwork,thepossibilityofusingKlasonligninextractedfrombuckwheathusksasacathode-activematerialforaprimarylithiumbatteryhasbeeninvestigatedforthefirsttime.Thereactionmechanisminthelithium/ligninelectrochemicalcellwassuggestedbasedonthedeepgalvanostaticdischarge(upto0.005V)dataandcyclicvoltammetryresults.ThedependenceoftheelectrochemicalbehavioroftheKlasonligninonthemillingdegreewasevaluated.Themaximumspecificcapacityoftheligninisequalto600mAhg-1atadischargecurrentdensityof75μAcm-2.BeneficialeffectofthethermaltreatmentoftheKlasonlignincathodeat250°Conthecellperformancewasestablished.Itwasfoundthatthedischargecapacityofthecellincreasedby30%intherangefrom3.3to0.9Vforthetreatedcathodematerial.TheseresultsdemonstratetheprospectsofusingKlasonlignin-basedelectrochemicalcellsaslow-rateprimarypowersources.

简介：Here,wereportthesynthesisofhardcarbonmaterials(RH)madefromnaturalricehuskthroughasinglepyrolysisprocessandtheirapplicationasananodeinsodium-ionbatteries.ThestudiesshowthattheelectrochemicalpropertiesofRHsareaffectedbythetreatmenttemperatures,whichdeterminethematerialsmorphology,inparticular,theirdegreeofgraphitizationandextentofcontinuouschannels(nanovoids).Thelatterareaccessibletosodiumionsandsignificantlycontributetochargestoragecapacityoftheproducedanodes.TheRHsobtainedat1600°Cdeliverthehighestreversiblecapacityof276mAhg-1mainlyduetoinsertionofsodiumionsintothenanovoids.Thisworkdeepensthebasicunderstandingoftheinfluenceofthecarbonizationtemperatureonthesodiumstoragemechanism.

简介：Thispaperproposesanonmonotonicbacktrackingtrustregionalgorithmviabilevellinearprogrammingforsolvingthegeneralmulticommodityminimalcostflowproblems.Usingthedualitytheoryofthelinearprogrammingandconvextheory,thegeneralizeddirectionalderivativeofthegeneralmulticommodityminimalcostflowproblemsisderived.Theglobalconvergenceandsuperlinearconvergencerateoftheproposedalgorithmareestablishedundersomemildconditions.

简介：WedescribeandexperimentallydemonstrateameasuringtechniqueforMach–Zehnderinterferometer（MZI）basedintegratedphotonicbiochemicalsensors.OurtechniqueisbasedonthedirectmeasurementofphasechangesbetweenthearmsoftheMZI,achievedbysignalmodulationononeofthearmsoftheinterferometertogetherwithpseudoheterodynedetection,anditallowsustoavoidtheuseofcostlyequipmentsuchastunablelightsourcesorspectrumanalyzers.Theobtainedoutputsignalisintrinsicallyindependentofwavelength,powervariations,andglobalthermalvariations,makingitextremelyrobustandadequateforuseinrealconditions.Usingasilicon-on-insulatorMZI,wedemonstratethereal-timemonitoringofrefractiveindexvariationsandachieveadetectionlimitof4.1×10-6refractiveindexunits（RIU）.

简介：Industrialgrademulti-walledcarbonnanotubes(IG-MWCNTs)arealow-costsubstituteforcommerciallypurifiedmulti-walledcarbonnanotubes(P-MWCNTs).Inthiswork,IG-MWCNTswerefunctionalizedwithtetraethylenepentamine(TEPA)forCO2capture.TheTEPAimpregnatedIG-MWCNTswerecharacterizedwithvariousexperimentalmethodsincludingN2adsorption/desorptionisotherms,elementalanalysis,X-raydiffraction,Fouriertransforminfraredspectroscopyandthermogravimetricanalysis.BoththeadsorptionisothermsofIGMWCNTs-nandtheisostericheatsofdifferentadsorptioncapacitieswereobtainedfromexperiments.TEPAimpregnatedIG-MWCNTswerealsoshowntohavehighCO2adsorptioncapacitycomparabletothatofTEPAimpregnatedP-MWCNTs.TheadsorptioncapacityofIG-MWCNTsbasedadsorbentswasintherangeof2.145to3.088mmol/g,dependingonadsorptiontemperatures.Havingtheadvantagesoflow-costandhighadsorptioncapacity,TEPAimpregnatedIG-MWCNTsseemtobeapromisingadsorbentforCO2capturefromfluegas.

简介：Weproposeapositionsensorlesscontrolschemeforafour-switch,three-phasebrushlessDCmotordrive,basedonthezerocrossingpointdetectionofphaseback-EMFvoltagesusingnewlydefinederrorfunctions(EFs).Thecommutationin-stantsare30°afterdetectedzerocrossingpointsoftheEFs.DevelopedEFshavegreatermagnituderatherthanphaseorlinevoltagessothatthesensorlesscontrolcanworkatalowerspeedrange.Moreover,EFshavesmoothtransitionsaroundzerovoltagelevelthatreducesthecommutationerrors.EFsarederivedfromthefilteredterminalvoltagesvaoandvbooftwolow-passfilters,whichareusedtoeliminatehighfrequencynoisesforcalculationoftheaverageterminalvoltages.Thefeasibilityoftheproposedsensorlesscontrolisdemonstratedbysimulationandexperimentalresults.

简介：Facileproductionofhighqualityactivatedcarbonsfrombiomassmaterialshasgreatlytriggeredmuchattentionpresently.Inthispaper,aseriesofinterconnectedporouscarbonmaterialsfromlotusrootshellsbiomassarepreparedviasimplepyrolysisandfollowedbyaKOHactivationprocess.Thepreparedcarbonsexhibithighspecificsurfaceareasofupto2961m~2/gandlargeporevolume～1.47cm3/g.Inaddition,theresultantporouscarbonsservedaselectrodematerialsinsupercapacitorexhibithighspecificcapacitanceandoutstandingrecyclingstabilityandhighenergydensity.Inparticular,theirspecificcapacitanceretentionwasalmost100%after10500cyclesatacurrentdensityof2A/g.Remarkabely,theimpactofthetailoredspecificsurfaceareasofvariouscarbonsamplesontheircapacitiveperformancesissystematicallyinvestigated.Generally,itwasbelievedthatthehighly-developedporosityfeatures(includingsurfaceareasandporevolumeandporesize-distributions),togetherwiththegoodconductivityofactivatedcarbonspecies,playakeyroleineffectivelyimprovingthestorageenergyperformancesoftheporouscarbonelectrodematerialsinsupercapacitor.

简介：UniqueZnSnanobunsdecoratedwithreducedgrapheneoxide(RGO)wassynthesizedandfoundtoexhibitasynergeticeffectasahighlyefficientandlow-costcounterelectrode(CE)indye-sensitizedsolarcells(DSCs).UsingthisZnS-RGOCE,apowerconversionefficiency(PCE)of7.03%wasachieved.Thisvaluewas53%and41%higherthanthoseofpureZnSandRGOCEs,respectively.TheZnS-RGOnanocompositeisindeedanefficientandcost-effectivePt-likealternativeforiodinereductionreaction.

简介：Wehavedevelopedacost-effectiveandhighlycompact100-Gb/scoarsewavelengthdivisionmultiplexing(CWDM)transmitteropticalsubassembly(TOSA)usinglens-freehybridintegration.Toachievelargealignmenttolerances,distributedfeedbacklaserdiodes(DFB-LDs)arebutt-coupledtoafour-channelsilica-basedplanarlightwavecircuit(PLC)arrayedwaveguidegrating,withthesiliconsub-mountsandPLCadhesivelybonded.Then,aflexibleprintedcircuitisemployedtoconnecttheinternalDFB-LDsandtheexterioroftheTOSApackageforradiofrequencysignaltransmission,eliminatingtheexpensiveceramicfeed-through.ThepackagedCWDMTOSA,whichis15.8mm×7.0mm×6.0mminsize,showsaside-modesuppressionratioof>40dB,a3dBbandwidthof>18GHz,anderror-freetransmissionwithanaverageopticaloutputpowerof>0dBmanddynamicextinctionratioof>4.0dBat25.78125Gb/sovera10kmsingle-modefiberforallfourlanes.

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