简介：High-purityREoxidesareusuallyob-tainedbydissolvingmixedREoxidesinhydrochloricacid,andtheobtainedchlo-ridesolutionisthenextractedandse-paratedafterthenon-rareearthimpuri-ties,especiallythehighcontentPb+2,havebeenremoved.Thisprocessisoneofthekeystotheimprovementoftheproductquality.Somesmeltersusebutylxanthateasapurifyingagent,butlargequantitiesofpoisonousgasesareevol-

简介：

简介：棉花纤维素动态地处于亚andsupercritical状态与乙醇被提取。变换的度是95.4%，当棉花纤维素non-isothermally从20与乙醇被提取时，摘录收益是55.2%吗？？

简介：这篇论文考虑最佳的预防维护的一个问题和奉献给从已知的存款提取资源的设备的代替时间表。典型例子是油练习，矿铲，等等。至多，在新的存在机械的一代替被允许。这个问题作为一个最佳的控制问题题目被提出到在任何给定的时间的留下的存款是非否定的州的限制。我们证明如果要求，最佳的预防维护，生产率，和存在机械和新机械的代替和抢救时间能被顺序解决一系列free-end-point获得最佳的控制问题。而且，一个算法基于这结果被开发并且过去常解决二个解说性的例子。

简介：AnewsingularityextractiontechniqueispresentedtocalculateaccuratelythesingularintegralsinTimeDomainElectricFieldIntegralEquation(TDEFIE).Insingularityextractionpro-cedure,throughtheaidofthefirstorderTaylorseriesoftimebasefunctionincludingtime-retardation,thesingularityoftheintegrandcanberemoved.Thesurfacecurrentdensityandbackscatteredfar-fieldresponseofaconductingcubeilluminatedbyaGaussianplanewaveiscom-putedusingthepresentedtechnique.ComparisonsaremadewiththeresultsobtainedbytheInverseDiscreteFourierTransform(IDFT)ofthefrequencydomainandtheresultsobtainedbyusingVe-chinski'stimeaveragingtechnique,whichdemonstratethatthepresentedmethodwiththisnewtimedomainsingularityextractiontechniquetosolveTDEFIEisveryaccurateandstable.

简介：TheinjectionandextractionsystemofChargeStrippingInjection(CSI)and1ChargeStrippingInjectionofHIRFL-CSRprogressedsteadilyinslowextractionofCSRm,designand2001.Theprogresscoversdesigndevelopmentofcomponents.ForbeamaccumulationschemesofCSRm,besidesofMultipleMulti-turnInjection(MMI)andRFStacking(RFS),ChargeStrippingInjection(CSI)isdesignedforaccumulationoflightions(C～Ne).It’swellknown

简介：TheequilibriummolalitiesofIn3+inextractionreaction:In3+(aq)+3HOx(org)=In(Ox)3(org)+3H+(aq)weremeasuredationicstrengthsfrom0.13to2.54mol-kg-1intheaqueousphasecontainingNa2SO4asthesupportingelectrolyteandatconstantinitialmolalityofextractant,HOx,intheorganicphaseattemperaturesfrom278.15to308.15K,whereHOxandOxmean8-hydroxy-quinoliueanditsanion,respectively.ThestandardextractionconstantsK0atvarioustemperatureswereobtainedbytwomethodsproposedinourpreviouspaper.

简介：处理技术的计算机图象被用来在木头表面上完成缺点图象的特征抽取。由缺点的灰色的价值的计算。有用鉴别缺点被完成了的三个特征数据。实验显示那这样对木头表面上的缺点的自动化识别有效。

简介：

简介：Theanalysisoftheradiatednoiseofvesselsgiveninthispapershowssomestrongsuperposedlinecomponentsinlowfrequencyspeetrumbelow100Hzoccurringatdiscretefrequencieswhichcorrespondwiththerotationspeedofpropellershaft,orpropellerbladefrequency,ortheirharmonicfre-quencies.sincethelinecomponentsreflectpropeller＇workingcharacteristics,thepropller＇sfeaturescanbeextracteddirectlyfromlow-frequencylinecom-ponentsinadditiontodemodulatedlinecomponent.Sotherearetwowaystoextractthefeatures,oneisdirectway,theotherisdemodulationway.Detec-tionperformanceofthelinecomponentinbackground-noiseisdiscussedinthispaper.ThesignallevelisdefinedasthedifrerencebetweenthePDF＇s(ProbabilityDensityFunction)meanofthepeakofthelinecomponentandPDF＇smeanorthebackground-noise.Indircetwaythesignallevelofthelinecomponentisproportionaltothesignalnoiseratio(S/N).Indemodulationwaythesignallevelofdemodulatedlinecomponent

简介：

简介：Housesarekeyelementsbothinaerialphotographsandmaps.Theirextractionhassignificancenotonlytomilitary,butalsotoautomaticalrela-tiveorientation,automaticalabsoluteorientation,feature-basedmatching,sys-tematicdescription,automaticdataaquisition,structureanalysis,imageunder-standing,digitalmapping,andconstructionofurbangeographicinformationsys-tem（UGIS）.Forthispurpose,thispapermainlyaddresses:（1）abriefintroduc-tiontothemultiresolutionanalysisofwavelettheoryanditsdifferenceformLaplacianpyramid,（2）howtogeneratethemultiresolutionimagesandedgefea-tures,and（3）howtoemploythesemultiresolutionimagesandedgefeaturestoextractthehousesfromaerialphotographsbymultiresolutionstructureandinfor-mationfusion.

简介：从图象序列的背景抽取的急和稳定性是不兼容的，(GMM)如果景色的背景区域被改变，也就是说，常规Gaussian混合物什么时候当模特儿，被用来重建背景，提取背景变得坏直到转变完了。一个新奇适应方法被介绍在一个Hilbert空格调整GMM的学习的率。背景抽取被当作在Hilbert空格来临到某个点的进程因此即时学习率能被计算在二幅邻近的提取背景图象之间的距离获得，并且背景的稳定性的一个判断方法也被得到。与常规GMM相比，方法同时有高急和好稳定性，并且它能在网上调整学习的率。实验证明它比常规GMM好，特别在背景抽取的转变过程。

简介：Correctextractionoftheultra-large-scaleintegrated(ULSI)interconnectcomponentsathightfrequenciesisveryimportantforevaluatingelectricalperformancesofhigh-speedULSIcircuits.Inthispaper,theextractionoftheinterconnectresistanceathighfrequenciesisderivedfromtheOhm′slawandverifiedbythesoftwareFastHenry.Theresultsarealsocomparedwiththoseofanotherresistanceformulaoriginatedfromtheeffectiveareaofthecurrentflowing.Theapplicabilityofthesetwoformulaeisdiscussed.Theinfluenceoftheinterconnectgeometryontheresistanceathighfrequenciesisstudied.Thecomputationindicatesthattheeffectoffrequencyontheresistanceisweakwhentheskindepthislargerthanhalfoftheshortsideoftherectangularinterconnectcrosssection.Withfurtherincreaseoffrequency,theresistanceincreasesobviously.Resultsimplythatconductorwithasquarecrosssectionexhibitsthelargestresistanceforrectangularconductorsofconstantcrosssectionarea.

简介：Inordertofurtherreducethesulfurcontentingasoline,anewdesulfurizationprocesswasproposedbyusingcatalyticoxidationandextractionrealizedinanelectrochemicalfluidizedreactor.Thefluidizedlayerofloadedcatalystparticlesconsistedofleaddioxide(PbO2)supportedonactivatedcarbonparticles(PbO2/C)andtheelectrolytewasaqueousNaOHsolution.ThePbO2/Cparticleanodescouldremarkablyacceleratetheelectrochemicalreactionrateandpromotetheelectrochemicalcatalysisofsulfurcompounds.Thesulfurcompoundswereatfirstoxidizedtosulfonesorsulfoxides,whichwerethenremovedafterextraction.Theexperimentalresultsindicatedthattheoptimaldesulfurizationconditionswereasfollows:Thecellvoltagewas3.2V,theconcentrationofhydroxylionsinelectrolytewas0.12mol/L,andthefeedratewas300mL/min.Undertheseconditionstheconcentrationofsulfuringasolinewasreducedfrom310ppmto70ppm.Basedontheseexperimentalresults,amechanismofindirectelectrochemicallycatalyticoxidationwasproposed.

简介：Thefirstdomesticstyreneextractionunit,a30kt/aunitforextractionofstyrenefrompyrolysisgasoline(pyro-gas),intheconstructionofwhichtheGuangdongNewHua’aoPetrochemicalCompany,arestructuredenterpriseaffiliatedtotheMaomingPetrochemicalCompany,hasinvested160millionRMB,hasbeencontinuouslyandsafelyoperatingfor430dayssinceMay2011.

简介：Withtheexpansionofthegeneexpressionprofiledatabase,inthecaseofaslittleaspossibletoloseinformationortoretainthemostcriticalinformation,geneextractionhasbecomeamaindirectionforthescholars.Thispaperexcludes1561irrelevantgenesthroughthedefinitionofweighteddistancefirstly,andthenremoves252redundantgenesbyPearson'scorrelationcoefficient.Finallybycomparingthetwomethods,stepwiseregressionafterclusteringandonlystepwiseanalysis,weobtainthebestcombinationof8genes.

简介：Variousplatforms,suchassatellite,aircraft,ground-based,someemergingaspects(e.g.internet)haveresultedinadramaticimprovementinthecapabilitiesofearthobservations(EO).Thenumerousremotesensingdatapromoteanenhancedpossibilitytoassess,monitor,andpredictthedynamicsofland-covers,anthropologicprocesses,andinfluencetotheenvironments.Nonetheless,thepropertiesofthedataacquiredbysuchdiversesourcesposechallengestotheprocessingmethodologies,andhence,developmentofaseriesofnewmethodsfortheanalysisofremotesensingimagesisrequired,TheaimofthisspecialissueofGeospatialInformationScienceistodevelopnewideasandtechnologiestofacilitatetheutilityofremotesensingdataandtofurtherexploreitspotentialinvariousapplications.

简介：在这篇论文，我介绍什么被称为弱严肃和磁性的异例并且为估计他们的可靠性建议标准。我也为处理这种弱异例介绍新技术。这些技术由干扰消除和弱信号抽取组成。实际应用证明了他们的有效性。弱严肃和磁性的异例愿望与指向的探索的发展得到更多的注意。

简介：Thispaperintroducesanoveltechniqueforobjectdetectionusinggeneticalgorithmsandmorphologicalprocessing.Themethodemploysakindofobjectorientedstructureelement,whichisderivedbygeneticalgorithms.Thepopulationofmorphologicalfiltersisiterativelyevaluatedaccordingtoastatisticalperformanceindexcorrespondingtoobjectextractionability,andevolvesintoanoptimalstructuringelementusingtheevolutionprinciplesofgeneticsearch.Experimentalresultsofroadextractionfromhighresolutionsatelliteimagesarepresentedtoillustratethemeritandfeasibilityoftheproposedmethod.