简介：Thisstudyprovidesanoverviewoftheproductionandclassificationofmetallurgicalslaganditsimpactonenergy-savingandemissionreductioninthemetallurgicalindustryandananalysisoftheimpactofkeyfactorsonslagprocessingtechnology,includingabriefaccountofblastfurnace(BF)slagprocessingandapplicationswithafocusonthesteelslagdisposalprocessesandthefeaturesofsometypicalprocesses.Inviewofthecharacteristicsofthebasicoxygenfurnace(BOF)slagandthetechnicaldifficultiesfacedbythetraditionalprocesses,itdescribestheprinciple,featuresandtechnicaladvantagesoftheBaosteelshort-flow(BSSF)steelslagtreatmentprocessdevelopedbyBaosteel.Thethinkingandoutlookonthedirectionofthedevelopmentofthemetallurgicalslagprocessingprocessarestated.

简介：Theprocessingofnonlineardatawasoneofhottopicsinsurveyingandmappingfieldinrecentyears.Asaresult,manylinearmethodsandnonlinearmethodshavebeendeveloped.Butthemethodsforprocessinggeneralizednonlinearsurveyingandmappingdata,especiallyfordifferentdatatypesandincludingunknownparameterswithrandomornonrandom,areseldomnoticed.Anewalgorithmmodelispresentedinthispaperforprocessingnonlineardynamicmultiple-periodandmultiple-accuracydataderivedfromdeformationmonitoringnetwork.

简介：Duringtheformationofsub-wavelengthripples,theinitialsurfaceplasmon(SP)-laserinterferenceplaysanimportantrole.InthisLetter,theeffectsofgratingstructuresonthedistributionoftheabsorbedlaserintensity,SP-lasercoupling,freeelectrondistributions,andablationshapesareinvestigatedbytheplasmamodel,takingintoconsiderationboththelaserwave-particledualityandthetransientlocalizedchangesofmaterialproperties.ThesimulationresultsshowthatthegratingstructurescanstronglyenhancetheenergyabsorptionandSP-lasercoupling,whichmakesthefabricationofsub-wavelengthripplesmoreefficient.Itisalsofoundthattheablationshapes,intermsofablationdepthsandsub-wavelengthripplesperiods,arestronglyrelatedtothegratingstructures,whichcanbeusedtocontrolmicro/nanostructurespreciselyanduniformly.

简介：AnexperimentalsetupofacquiringthecoaxialvisualimageofthemoltenpoolandkeyholeinhighpowerNd:YAGlaserweldingisintroducedinthispaper.Itisoneofthemostdifficultproblemsinacquiringcoaxialimagethatthecoaxialimagingsignalofmoltenpoolandkeyholemustbeseparatedfromthelaserbeamwithhighpower.Thisproblemwasresolvedbydesigningadichroiticspectroscope.Thecharacteristicsofimagingsignalwereanalyzedandthecoaxialimageofmoltenpoolandkeyholewasacquired.Asmoothingfilterandahomomorphicfilterweredesignedtoremovethelowfrequencynoiseandtoenhancetheimageaccordingtothecharacteristicsofimagingsignal.Atlast,edgesofmoltenpoolandkeyholeweredetectedandextractedbasedonimagesegmentationwiththreshold.

简介：Objective:TodemonstratetheperformancebenefitoftheAutomaticSceneClassifier（SCAN）algorithmavailableintheNucleus6（CP900series）soundprocessoroverthedefaultprocessingalgorithmsofthepreviousgenerationNucleus5（CP810）andFreedomHybridTMsoundprocessors.Methods:Eighty-twocochlearimplantrecipients（40Nucleus5processorusersand42FreedomHybridprocessorusers）listenedtoandrepeatedAzBiosentencesinnoisewiththeircurrentprocessorandwiththeNucleus6processor.Results:TheSCANalgorithmwhenenabledyieldedstatisticallysignificantnon-inferiorandsuperiorperformancewhencomparedtotheNucleus5andFreedomHybridsoundprocessorsprogrammedwithASCtADRO.Conclusion:TheresultsofthesestudiesdemonstratethesuperiorperformanceandclinicalutilityoftheSCANalgorithmintheNucleus6processorovertheNucleus5andFreedomHybridprocessors.

简介：Thestabilityofsubmarinegeologicalstructureshasacrucialinfluenceontheconstructionofoffshoreengineeringprojectsandtheexploitationofseabedresources.Marinegeologistsshouldpossessadetailedunderstandingofcommonsubmarinegeologicalhazards.Currentmarineseismicexplorationmethodsarebasedonthemosteffectivedetectiontechnologies.Therefore,currentresearchfocusesonimprovingtheresolutionandprecisionofshallowstratumstructuredetectionmethods.Inthisarticle,thefeasibilityofshallowseismicstructureimagingisassessedbybuildingacomplexmodel,anddifferencesbetweentheseismicinterferometryimagingmethodandthetraditionalimagingmethodarediscussed.Theimagingeffectofthemodelisbetterforshallowlayersthanfordeeplayersbecausecoherentnoiseproducedbythismethodcanresultinanunsatisfactoryimagingeffectfordeeplayers.Theseismicinterferencemethodhascertainadvantagesforgeologicalstructuralimagingofshallowsubmarinestrata,whichindicatescontinuoushorizontalevents,ahighresolution,aclearfault,andanobviousstructureboundary.TheeffectsoftheactualdataappliedtotheShenhuareacanfullyillustratetheadvantagesofthemethod.Thus,thismethodhasthepotentialtoprovidenewinsightsforshallowsubmarinestrataimaginginthearea.

简介：Usingdirectfinitedifferencemethod,anumericalmodelforsimulatingthetemperaturefieldinthechargeduringinductionskullmelting(ISM)hasbeendeveloped.Onthebasisofthemodel,thetemperaturefieldinTi-47Ni-9Nbingothasbeencalculatedundervariousmeltingconditions.Finally,theprocessingparameters(meltingpower,melting-downtimeandthefinalmelttemperature)havebeenoptimized.

简介：ThehotdeformationbehaviorofextrudedAZ80magnesiumalloywasinvestigatedusingcompressiontestsinthetemperaturerangeof250-400℃andstrainraterangeof0.001-1.000s^-1.The3Dpowerdissipationmapwasdevelopedtoevaluatethehotdeformationmechanismsanddeterminetheoptimalprocessingparameters.Twodomainsofdynamicrecrystallizationwereidentifiedfromthe3Dpowerdissipationmap,

简介：Lasermultipleprocessing,i.e.lasersurfacetexturingandthenLaserShockProcessing(LSP),isanewsurfaceprocessingtechnologyforthepreparationofbionicnon-smoothsurfaces.Basedonengineeringbionics,samplesofbionicnon-smoothsurfacesofstainlesssteel0Crl8Ni9weremanufacturedintheformofreseaustructurebylasermultipleprocessing.Themechanicalproperties(includingmicrohardness,residualstress,surfaceroughness)andmicrostructureofthesamplestreatedbylasermultipleprocessingwerecomparedwiththoseofthesampleswithoutLSPTheresultsshowthatthemechanicalpropertiesofthesesamplesbylasermultipleprocessingwereclearlyimprovedincomparisonwiththoseofthesampleswithoutLSPThemechanismsunderlyingtheimprovedsurfacemicrohardnessandsurfaceresidualstresswereanalyzed,andtherelationsbetweenhardness,comnressiveresidualstressandroughnesswerealsopresented.

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简介：Thefeasibilityofmoni-toringthechangeofcitysettlementusingGPSsurveyinginsteadoflevel-ingisstudied.AfiducialnetworkandamonitoringnetworkareestablishedinNingbocity.TwoperiodsofGPSobservationarecompleted.Somemeasuresaretakenduringtheobser-vationinordertoensuretoobtainthehigh-preciseheightcomponent.TheSaastamoinenmodelisadoptedinthedataprocessingofthedrycomponentpartofthetroposphericdelay.Thewetcomponentchangeofthetropo-sphericdelayisestimatedbystochasticprocessesmodel.WhenBernesesoft-wareisusedtoprocessthedata,themillimeterlevelprecisionofheightmeasuringisachieved.

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简介：Havingawiderangeofmotion,thecervicalspineisratherpredisposedtotrau-maandotherdisorderswithseriousconsequences.Themotionofcervicalspineisacomplexonecomposedofmicromotions,includinghorizontaldisplacementsalongallthreeaxesandrotationsaroundthemwithsixfreedomdegreesofmovement.Reportonprecisemeasurementofthethree-dimensionalmotionofthecervicalsectionof

简介：Thispaperdesignsa3mmradiometerandvalidatewithexperimentsbasedontheprincipleofpassivemillimeterwave(PMMW)imaging.Thepoorspatialresolution,whichislimitedbyantennasize,shouldbeimprovedbypostdataprocessing.Aconjugate-gradient(CG)algorithmisadoptedtocircumventthisdrawback.Simulationandrealdatacollectedinlaboratoryenvironmentaregiven,andtheresultsshowthattheCGalgorithmimprovesthespatialresolutionandconvergentrate.Further,itcanreducetheringingeffectswhicharecausedbyregularizingtheimagerestoration.Thus,theCGalgorithmiseasilyimplementedforPMMWimaging.

简介：天体的跨matching是为聚集不同波长的观察数据的一个基本方法。由数据聚集，天体的目标的性质能包括地被理解。在减少瞄准时间在I/O上消费了操作，几个改进方法被介绍，基于养模特儿的边界包括处理流动，它能减少数据库询问操作；能改进任务分区的表演并且解决数据稀少的问题的最大的成长块和它的决心的一个概念；并且计算这个索引的一个快bitwise算法附近的块数，它是一条重要效率保证。实验证明方法能有效地在稀少的数据集和高密度的数据集上加快跨matching。

简介：Duetothedemandofdataprocessingforpolariceradarinourlaboratory,aCurveletThresholdingNeuralNetwork(TNN)noisereductionmethodisproposed,andanewthresholdfunctionwithinfinite-ordercontinuousderivativeisconstructed.ThemethodisbasedonTNNmodel.InthelearningprocessofTNN,thegradientdescentmethodisadoptedtosolvetheadaptiveoptimalthresholdsofdifferentscalesanddirectionsinCurveletdomain,andtoachieveanoptimalmeansquareerrorperformance.Inthispaper,thespecificimplementationstepsarepresented,andthesuperiorityofthismethodisverifiedbysimulation.Finally,theproposedmethodisusedtoprocesstheiceradardataobtainedduringthe28thChineseNationalAntarcticResearchExpeditionintheregionofZhongshanStation,Antarctica.Experimentalresultsshowthattheproposedmethodcanreducethenoiseeffectively,whilepreservingtheedgeoftheicelayers.

简介：Twodifferentmethodsfromgraphicprocessingunit(GPU)andcentralprocessingunit(CPU)areproposedtosuitablyoptimizelook-uptablealgorithmsofcomputergeneratedholography(CGH).Thenumericalsimulationsandexperimentalresultsshowthatwecanreconstructagoodqualityobject.ThecomputationofCGHforathree-dimensional(3D)dynamicholographicdisplaycanalsobespedupbyprogrammingwithourproposedmethod.Itcanoptimizebothfileloadingandtheinlinecalculationprocess.Thephase-onlyCGHwithgigabytedataforreconstructing10MBobjectsamplingsisgenerated.Inaddition,theproposedmethodeffectivelyreducedtimecostsofloadingandwritingofflinetablesonaCPU.ItisbelievedtheproposedmethodcanprovidehighspeedandhugedataCGHfor3Ddynamicholographicdisplaysinthenearfuture.

简介：ThispaperreportstheadsorptionofBovineSerumAlbumin(BSA)ontoDielectricBarrierDischarge(DBD)processedPoly(methylmethacrylate)(PMMA)surfacesbyaQuartzCrystalMicrobalancewithDissipationmonitoring(QCM-D)tech-nique.ThepurposeistostudytheinfluenceofDBDprocessingonthenatureandscaleofBSAadsorptiononPMMAsurfaceinvitro.ItwasobservedthatDBDprocessingimprovesthesurfacewettabilityofPMMAfilm,afactattributabletothechangesinsurfacechemistryandtopography.ExposureofthePMMAtoPhosphateBuffedSaline(PBS)solutionintheQCM-Dsystemresultedinsurfaceadsorptionwhichreachesanequilibriumafterabout30minutesforpristinePMMA,and90minutesforprocessedPMMAsurface.SubsequentinjectionofBSAinPBSindicatedthattheproteinisimmediatelyadsorbedontothePMMAsurface.ItwasrevealedthatadsorptionbehaviourofBSAonpristinePMMAdiffersfromthatonprocessedPMMAsurface.AsloweradsorptionkineticswasobservedforpristinePMMAsurface,whilstaquickadsorptionkineticsforprocessedPMMA.Moreover,thedissipationshiftofproteinadsorptionsuggestedthatBSAformsamorerigidstructureonpristinePMMAsurfacethatonprocessedsurface.ThesedatasuggestthatchangesinwettabilityandattendantchemicalpropertiesandsurfacetextureofthePMMAsurfacemayplayasignificantroleinBSAadsorptionprocess.

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简介：当演员组Mn18Cr18N奥氏体的不锈钢的热变丑行为在950-1200的温度范围被学习??吠???嘴????????????????????????眱吗？？