简介：Anewforwardscatteringbistaticradarmotioncompensationmethodbasedonspectralanalysisandminimumwaveformentropyisproposed.Inordertodemonstrateeffectivenessofthepresentedmethodandgroundvehiclesimagingfunctionofforwardscatteringradar,asimplebistaticforwardscatteringradarexperimentsystemissetuponbothsidesofaroadtocollectiongroundvehiclesexperimentaldata.Finally,experimentalgroundvehiclesimagingresultsconfirmvalidityoftheproposedmotioncompensationmethodandtheexperimentalimagingresultsareidenticalwithcomputersimulationresultsinthesameparameterandcondition.

简介：Onthefoundationofanalyzingtheclosedlooplogisticschainofproductwithmulti-lifecycle,theconnotationofenvironmentalvalueissetforth,recurringtosuchconceptionsassupplychainandvaluechain.Theplottingrulesaboutdisassemblytreearediscussedindetail.ThereachablematrixRofcomponents'disassemblyisintroducedintodistinguishingifdisassemblyisneeded,incombinationwithdisassembly-decidingvectorX.Furthermore,thearithmeticofdisassemblycostisputforward.Andthecost-benefitsofcomponents'reusing,materials'recycling,safetydisposingaredissertatedbasedontheactivity-basedcosting.Thenthe0-1goal-programmingmodelonproductrecoveryprocessingisestablished,withcomponents'demotioncalculated.Inaddition,takinqthePC'srecoveryDrocessinqforexample,weDutitintoapplication.

简介：Asoneofthenextgenerationimagingspectrometers,theinterferentialspectrometer(IS)possessestheadvantagesofhighthroughput,multi-channelandgreatresolution.ThedataofISareproducedinthespatialdomain,butopticalapplicationsareintheFourierdomain.TraditionalcompressionmethodscanonlyprotectthevisualqualityofinterferometerdatainthespatialdomainbutignorethedistortionintheFourierdomain.TherelationbetweenthedistortionintheFourierdomainandthecompressioninthespatialdomainisanalyzed.Bymathematicalproofandvalidationwithexperiments,therelationbetweenspatialandFourierdomainsisdiscovered,andthesignificanceintheFourierdomainismoreimportantasopticalpathdifference(OPD)increasinginthespatialdomain.Basedonthisrelation,anovelcodingschemeisproposed,whichcancompressdatainthespatialdomainwhilereducingthedistortionintheFourierdomain.Inthisscheme,thebitstreamofthesetpartitioninginhierarchicaltrees(SPIHT)istruncatedbyadaptivelyliftingrate-distortionslopesaccordingtotheprioritiesofOPDbasedonrate-distortionoptimizationtheory.ExperimentalresultsshowthattheproposedmethodcanprovidebetterprotectionofspectrumcurvesintheFourierdomainwhilemaintainingacomparablevisualqualityinthespatialdomain.

简介：为铸造过程(VIMP)的真空注入的一个低粘性环氧基树脂树脂系统(猎人1564/3486)的chemorheological行为与粘性实验被学习。dual-Arrheniusrheological模型和设计粘性模型被建立并且与试验性的数据相比。结果证明在dual-Arrhenius模型计算的更早的阶段的粘性比试验性的数据小，当设计模型计算的数据更大时。一起联合二个模型能以一种更可信的方式预言树脂系统的rheological行为。为VIMP的树脂系统的处理窗口基于二个模型被决定。处理温度的最佳是3045楎倭挠瑡污吗？

简介：Expressedsequencetags(ESTs)arewidelyusedingenesurveyresearchtheseyears.TheESTPipelineSystem,softwaredevelopedbyHangzhouGenomicsInstitute(HGI),canautomaticallyanalyzedifferentscalarESTsequencesbysuitablemethods.Alltheanalysisreports,includingthoseofvectormasking,sequenceassembly,geneannotation,GeneOntologyclassification,andsomeotheranalyses,canbebrowsedandsearchedaswellasdownloadedintheExcelformatfromthewebinterface,savingresearcheffortsfromroutinedataprocessingforbiologicalrulesembeddedinthedata.

简介：Noncoherentunderwateracousticcommunicationchannelinadverseconditionsismodeledasaphase-randomRayleighfadingchannel,anditscapacitycurveisderived.Toapproachthechannelcapacitycurve,theconcatenatedcodeofthenonbinaryLDPCcodeandtheconstantweightcodeisproposedfornoncoherentcommunicationwhichcanlatebeiterativelydecodedintheprobabilitydomain.Withoutinformationofchannelamplitudeorphaseinthereceiver,statisticparametersoftherespectivesignalandnoisebinswereestimatedbasedonthemomentestimationmethod,theposteriorprobabilitiesoftheconstantweightcodewordswerefurthercalculated,andthenonbinaryLDPCcodewasdecodedwiththenonbinaryfactorgraphalgorithm.Itisverifiedbysimulationsthatbyutilizingtheproposedconcatenatedcodeanditsprocessingalgorithm,gaptochannelcapacitycurveisreducedby3dBwhencomparedtotheexistingmethod.Underwatercommunicationexperimentswerecarriedoutinbothdeepocean(verticalcommunication,5km)andshallowlake(horizontalcommunication,near3km,delayspreadlargerthan50ms),inwhichthesignalfrequencybandwas6kHzto10kHz,andthedatatransmissionrateWas357bps.Theproposedschemecanworkproperlyinbothexperimentswithasignal-to-noiseratiothresholdof2dB.TheperformanceoftheproposedalgorithmWaswellverifiedbytheexperiments.

简介：Thisstudyaimstosystematicallyanalyzethekeyparametersofthereflowprocessthatinfluencetheuniformityofthechromiumpassivationfilmcoatedontinplate.ThedistributioncharacteristicsofthechromiumpassivationfilmcoatedonthetinplatesurfaceunderdifferenttreatmentconditionsweresystematicallycharacterizedusingthescanningKelvinprobetechnique,X-rayphotoelectronspectroscopy,andX-raydiffraction.Resultsindicatethattheuseoffluxreducestheporosityoftincoating,therebyfavoringtheuniformgrowthofthepassivationfilm.Furthermore,anincreaseinthereflowpowerandquenchingtemperaturefacilitatesthehomogeneousdistributionofthepassivationfilmonthetinplatesurface,particularlywhentreatedwithelectrolyticcathodicsodiumdichromate.

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简介：ThesynchrodoublepulsesignalmodeisfreuqentlyusedinShortBaseLine(SBL)underwaterpositioningsystemsoastoobtaintheinforma-tionofbothdistanceanddepthofatargetsimultaneously.Howerer,thissignalmodealsobringsaboutrangingindistinctnessresultinginashorterpositioningdistancemuchlessthanthatlimitedbytheperiodofthesynchrosignal.Thispaperpresentsahardwaredistance-gatedataacquiringscheme.Itputstheoriginaldatasenttothecomputerinorderof"directfirstpulse—depthinformationpulse(orfirstpulsereflectedbywatersurface)…"toguaranteetheeffectivepositioningdistanceofthesystem.Ithastheadvan-tageofreducingtheprocessingtimeofthecomputerthusensuringtherealtimefunctioningofthesystem.Afigureoftheorbitofanunderwatermovingtargetmeasuredinpracticeisattachedtotheendofthepaper.

简介：BasedontheanalysisresultsofthedustsizedistributionoffluegasfromBaosteel'sshort-flow(BSSF)slagprocessingsystemandthemechanismofthewetscrubber,awetscrubbersystemwasdesignedandinstalledintheNo.1BSSFslagprocessingsystematBaosteel.Theresultsshowthatthedustremovalefficiencyoftheprevioussystemthathadconventionalwaternozzleswasonly69%withaliquid-gasratioof0.79L/m3,whilethedustremovalefficiencyreached94%whenthreesetsofhigh-efficiencydualphasespraygunswereinstalledinsideboththeflueandthechimney.Forthelattersystem,theliquid-gasratiowas0.84L/m3,andthedustconcentrationinthecleanedemissionsreducedtolessthan40mg/m3.

简介：Inthispaper,bymeansofthetwoprogramtools,C++BuilderandMatlab,thepreliminarydesignofthedataprocessingforexperimentontheHL-2Atokamakisdescribed.Thesoftwareofdataprocessingincludestwoparts:commonprocessingsoftwareandadvancedprocessingsoftware.

简介：Theinfluenceofthecarrierpseudo-boehmite(PB),whichwasimpregnatedwithaNi-Mo-Psolutionunderover-saturationconditionsandtreatedatdifferenttemperatures,onitspropertyforadsorptionofactivemetals(Ni,Mo)wasstudied.Theresultsshowedthattheamountforadsorptionofactivemetalwasdecreasedwithanincreasingtreatmenttemperatureofthecarrier.AfterphasetransitionofthecarrierPBtoγ-Al2O3,itscapacityforadsorptionofactivemetalswassignificantlyreduced.Thedifferenceinpropertiesforadsorptionofactivemetals(Ni,Mo)byPBdriedat120℃andγ-Al2O3calcinedat600℃wasstudiedindetail.TheresultssuggestedthattheabilityofthePBcarriertoadsorbmetalswashigherthanthatoftheγ-Al2O3carrier.Especially,theratioofchemicallyadsorbedmetalsonthePBsupportwasmuchhigherthanγ-alumina.ThechemicaladsorptionsitesonthePBcarrierwereprovedtobemuchmorethanthoseontheγ-Al2O3carrier.NiandMochemicaladsorptionsitesdifferedalotonthecarrierpossiblybecauseofthedifferenceinchemicaladsorptionsites.

简介：Thetopicofthispaperistheutilizationoftimeforopticalinformationprocessing.AsclockratesincomputingandcommunicationsystemsincreaseandreachtheTHzborder,opticaltechniquesforsignalfiltering,shapingandclockdistributionbecomeattractive.Wediscusstheuseofopticsintemporalprocessingandconsiderinparticulardiffractivesolutions.Inpartoneofthispaper,wediscussthebasicconceptsoftemporaloptics.

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简介：Theschliereninterferogramsusedtobeanalyzedinaqualitativeway.Inthispaper,bymeansofthepowerfulcomputationalabilityandthelargememoryofcomputer;theimageprocessingmethodisinvestigatedforthedigitalizationofanaxisymmetricschliereninterferogramandthedeterminationofthedensityfield.Thismethodincludesthe2-Dlow-passfiltering,thethinningofinterferometricfringes,theextractionofphysicalinformationandthenumericalintegrationofthedensityfield.Theimageprocessingresultsshowthattheaccuracyofthequantitativeanalysisoftheschliereninterferogramcanbeimprovedandalotoftimecanbesavedindealingwithopticalexperimentalresults.Therefore,thealgorithmusedhereisusefulandefficient.

简介：Previousresearchhasdemonstratedthattheamplitudeofevokedemissionsdecreasesinhumansub-jectswhenthecontralateralearisstimulatedbynoise.Themedialolivocochlearbundle(MOCB)isbe-lievedtocontrolthisphenomenon.Recentresearchhasexaminedthiseffectinindividualswithauditorypro-cessingdisorders(APD),specificallywithdifficultyunderstandingspeechinnoise.Resultsshowedtran-sientevokedotoacousticemissions(TEOAEs)werenotaffectedbycontralateralstimulationinthesesub-jects.MuchclinicalresearchhasmeasuredthefunctionoftheMOCBthroughTEOAEs.Thisstudywilluseanalternativetechnique,distortionproductotoacousticemissions(DPOAEs),toexaminethisphenomenonandevaluatethefunctionoftheMOCB.DPOAEsofindividualsinacontrolgroupwithnormalhearingandnosignificantauditoryprocessingdifficultieswerecomparedtotheDPOAEsofchildrenwithsignifi-cantauditoryprocessingdifficulties.Resultsshowedthatthesuppressioneffectwasobservedinthecontrolgroupat2kHzwith3kHzofnarrowbandnoise.Fortheauditoryprocessingdisordersgroup,nosignificantsuppressionwasobserved.Overall,DPOAEsshowedsuppressionwithcontralateralnoise,whiletheAPDgrouplevelsincreasedoverall.TheseresultsprovidefurtherevidencethattheMOCBmayhavereducedfunctioninchildrenwithAPD.

简介：Thehotdeformationbehaviourof7075aluminiumalloyreinforcedwith10%ofSiCparticleswasstudiedbyemployingboth'processingmaps'andmicrostructuralobservations.Thecompositewascharacterizedbyemployingopticalmicroscopetoevaluatethemicrostructuraltransformationsandinstabilityphenomena.Thematerialinvestigatedwasdeformedbycompressioninthetemperatureandstrainraterangesof300-500℃and0.001-1.0s-1,respectively.Thedeformationefficiencywascalculatedbystrainratesensitivity(m)valuesobtainedbyhotcompressiontests.Thepowerdissipationefficiencyandinstabilityparameterswereevaluatedandprocessingmapswereconstructedforstrainof0.5.Theoptimumdomainsandinstabilityzonewereobtainedforthecomposites.Theoptimumprocessingconditionsareobtainedinthestrainraterangeof0.1-0.9s-1andtemperaturerangeof390-440℃withtheefficiencyof30%.