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简介：Embryooflilacs(SyringaL)cultureinvitroandtherapidpropagationwerestudied.Theorthogonalexperiments,includingtheselectionofbasalmedium,embryoageandotherfactorssuchassugar,benzyladenine(BA),naphthaleneaceticacid(NAA)andglutamine(Gln),werecarriedout.TheresultsindicatedthattheoptimalmediumforembryoculturewasMonniermediumsupplementedwithNAA(0.001mg@L-1),BA(0.1mg@L-1),sugar(50g@L-1),andGln(400mg@L-1),withagerminationrateof91.7%atleast;theoptimalembryoagewas50d;andGlnhadsignificanteffectsonthegerminationrateofembryo.Moreover,theoptimalmediumforsubculturewasMS+BA(2mg@L-1)+NAA(0.001mg@L-1)+Gln(0.5mg@L-1),withthepropagationcoefficientof3.6atleast.

简介：Amethodforrapiddeterminationofsiliconcontentinricewasintroduced.Thereliabilityofthismethodwasverifiedbyusingarecombinantinbredline(RIL)populationofricecrossZhenshan97B/Milyang46.Twohundredandforty-nineRILsweretransplantedintworeplications.Simplecorrelationcoefficientsonthesiliconcontentinthehull,flagleafandsteminricebetweenduplicatesamplesof498ricematerialswere0.97954,0.97026and0.98848,respectively.Tenrepresentativesampleswereselectedformeasurementusingthehigh-temperaturealkalinefusionmethod.Simplecorrelationcoefficientbetweenthesiliconcontentsdeterminedbythehigh-temperaturealkalinefusionmethodandbythepresentmethodis0.9993.

简介：这是一款与已经上市的南人众新桑塔纳以及北大众新捷达属同一平台的产品，当然也是斯柯达在售三厢轿车昕锐的掀背版。昕动的出现，让PQ25平台无论在时尚感、实用性还是动力性方面，都达到了新高。

简介：Afive-layerprimitiveequationmodelwasusedinthestudyofrapidcyclogenesisoversea.Thenumericalsimulationsshowthat’theTibetanPlateau,large-scalebaroclinicityandheatfluxfromtheseasurfacearethethreeimportantagentstoproducecyclonicvorticityalongtheeastcoastofChina.Thediagnosticcomputationofa24hcontrolsimulationindicatesthatthenonlinearvorticityadvec-tion,baroclinicityanddiabaticheatingarealsoresponsibleforthedevelopmentoftheextratropicalcyclonesoverseas.

简介：AlayeredsimulationmodelwithstairstepcontourisbuiltfromAutoCADthroughextrudingeachsuccessivesectioncontourhavingbeencompensatedindimensionstomeettheapplicationrequirementsoftheRPpart.InsuchawaytheshapeandsizetoleranceoftheRPproductcouldbeverifiedbeforehandpromptlyandprecisely.

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简介：Stiffeneristheimportantmissilestructuretoensurethestructuralstrengthofthemissile.Inordertoimprovethedesignefficiencyandthequalityofthemissilestiffener,themethodsofmissilestiffenerrapidmodelingandanalysisareproposed.First,theproblemsoftraditionalmanualmodelingofthestiffenerareanalyzed.Accordingtotheproblemsandactualrequirementofmodeling,volumedecompositionmethodisusedtodividethestiffenerintotheuppersection,thelowersectionandthewebinorderforfeatureanalysisandparameterextraction.ThenbasedontheparametersthebasicunitdecomposedaboveiscreatedforBooleanoperationtoestablishthestiffener.Finally,arapidstiffenermodelingandanalysisprogramweredevelopedbasedonUGOpenAPI,themodelingandanalysisresultvalidatesthefeasibilityofthemethod.

简介：在钨卤素灯的安排和晶片收到的发光的一致性之间的关系被讨论，并且一种axial-symmetricallamps-array被设计保证边上的照耀是近似一样的著名计算机生产厂商他晶片的中心上的。晶片对力量oftungsten卤素灯上的温度的大小数字地被计算。

简介：Fourricesamplesoflonggraintypeweretestedusinganelectronicnose(Cyranose-320).Samplesof5gofeachvarietyofricewereplacedindividuallyinvialsandwereanalyzedwiththeelectronicnoseunitconsistingof32polymersensors.TheCyranose-320wasabletodifferentiatebetweenvarietiesofrice.Thechemicalcompositionofthericeodorsfordifferentiatingricesamplesneedstobeinvestigated.TheoptimumparametersettingsshouldbeconsideredduringtheCyranose-320trainingprocessespeciallyformultiplesamples,whicharehelpfulforobtaininganaccuratetrainingmodeltoimproveidentificationcapability.Further,itisnecessarytoinvestigatetheE-nosesensorselectionforobtainingbetterclassificationaccuracy.Are-ducednumberofsensorscouldpotentiallyshortenthedataprocessingtime,andcouldbeusedtoestablishanapplicationpro-cedureandreducethecostforaspecificelectronicnose.FurtherresearchisneededfordevelopinganalyticalproceduresthatadapttheCyranose-320asatoolfortestingricequality.

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简介：RapidgrowthprocessingofKDPcrystalswasimprovedbyemployingcontinuousfiltrationtoeliminatebulkdefects.TheperformancesoftheKDPcrystals,includingscatteringdefects,laserdamageresistanceandtransmittance,weremeasuredandanalyzed.Comparedwithrapid-grownKDPwithoutcontinuousfiltration,thetransmittanceinthenearinfraredwasincreasedbyatleast2%,almostallof‘micronsize’defectswereeliminatedand‘sub-micronsize’defectsweredecreasedbyapproximately90%.Laserdamagetestingrevealedthatthelaser-induceddamagethresholds（LIDTs）,aswellastheconsistencyoftheLIDTsfromsampletosample,wereimprovedgreatly.Moreover,itidentifiedthat‘micronsize’defectsweretheprecursorswhichinitiatedlaserdamageatrelativelowerlaserfluence(4–6Jcm-2),andtherewasalowercorrelationbetweensmallersizescatteringdefectsandlaserdamageinitiation.TheimprovedconsistencyintheLIDTs,attributedtoeliminationof‘micronsize’defects,andLIDTenhancementoriginatedfromthedecreasedabsorptionoftheKDPcrystals.

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简介：ThispaperappliestherelevantprinciplesandmethodsofSQLdatabaseandExpertSystem,tryingtoresearchthemethodsandtechniquesofcombiningthemanddesignatemplateofproductionexpertsystemthatisbasedonSQLdatabaseanddrivedbythedatabasesoastosimplifythestructureoftheknowledgebasecarriedbydatabase,generatingthesystemmoreconvenientlyandoperatingitmoreeffectively.

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简介：Thisstudydemonstratesanovelapproachforrapidsynthesisofsilver（Ag）nanowiresinducedbyvanadiumtrioxide（V2O3）particlesinaqueoussolutionatroomtemperature.Silvernanowireshaveanaveragediameterof20nmandlengthuptoafewmicrometersbyparametricoptimization.ThemicrostructureofthesilvernanowireswascharacterizedbyTEM,HRTEM,SEM,andXRDtechniques.Theopticalpropertyoftheas-preparedproductwasmeasuredbyultraviolet-visible（UV-vis）spectroscopy.ThepossiblegrowthmechanismofAgnanowiresviaorientedattachmentofAgnanocrystalswasdiscussed.Thepresentapproachshowsseveraluniquefeaturessuchasrapid（afewminutes）,reproducibleandhigh-yieldreactionwithnoneedofanymodifiers.V2O3rodswerereportedforthefirsttimetobeusedforsynthesisofsilvernanowires,playingmultiplerolesasreducingagent,template,andcatalyst.Thesilvernanowiresproducedarepromisingforopticalapplications（e.g.,SERS）duetotheirroughsurface.

简介：Asadepositiontechnology,gasmetalarcwelding(GMAW)hasshownnewpromiseforrapidprototypingofmetallicparts.DuringtheprocessofmetalformingusingthearcofGMAW,lowheatinputandstabledroplettransitionarecriticaltohighqualityfiguration.TheeffectsofvariousprocessingparametersonfigurationqualitywerestudiedintheexperimentofGMAWrapidprototypingusingthewireofER50-6,includingweldingvoltage,wirefeedingrate,weldingspeedandsoon.TheoptimalparametersforER50-6areobtained.Simultaneously,itisverifiedthattherapidprototypingpartswithfavorablestructuresandqualitycanbeachievedundertheconditionsoflowheatinputandstabledroplettransition.