简介：谈论物理教学为何与何为，实验探究教学当是主要方面．“为何”就是怎么看，就是要在思想上提高认识；“何为”就是怎么做，就是要在实践上提高能力．因此，提升实验探究教学水平，要在“深切理解实验探究价值，提高自身实验探究水平，谋求有效的教学策略方法”几方面做足文章．1．深切理解实验探究的价值

简介：Basedontheextendedmappingdeformationmethodandsymboliccomputation,manyexacttravellingwavesolutionsarefoundforthe(3+1)-dimensionalJMequationandthe(3+1)-dimensionalKPequation.Theobtainedsolutionsincludesolitarysolution,periodicwavesolution,rationaltravellingwavesolution,andJacobianandWeierstrassfunctionsolution,etc.

简介：Inordertodeepentheunderstandingoftherelationshipbetweenfundamentalproperties（including:microstructureandcomposition）andphotocatalyticperformance,fourbismuthatecompounds,including:LiBiO3,NaBiO3,KBiO3,andAgBiO3,areregardedasresearchexamplesinthepresentwork,becausetheyhaveparticularcrystalstructuresandsimilarcompositions.Usingdensityfunctionaltheorycalculations,theirstructural,electronic,andopticalpropertiesareinvestigatedandcomparedsystematically.Firstofall,thecalculatedresultsofcrystalstructuresandopticalpropertiesareinagreementwithavailablepublishedexperimentaldata.Basedonthecalculatedresults,itisfoundthatthetunneledorlayeredmicro-structuralpropertiesleadtothestrongerinteractionbetweenbismuthandoxygen,andtheweakerinteractionbetweenalkaline-earthmetaland[BiO6]octahedron,resultinginthefeatureofmulti-bandgapsinthecasesofLiBiO3,NaBiO3,andKBiO3.ThisconclusionissupportedbythecaseofAgBiO3,inwhichthefeatureofmulti-bandgapsdisappears,duetothestrongerinteractionbetweenthenoblemetaland[BiO6]octahedron.Thesepropertieshavesignificantadvantagesinthephotocatalyticperformance:absorbinglowenergyphotons,rapidlytransferringenergycarriers.Furthermore,thefeaturesofelectronicstructuresofbismuthatecompoundsarewellreflectedbytheabsorptionspectra,whichcouldbeconfirmedbyexperimentalmeasurementsinpractice.Combinedwiththecalculatedresults,itcouldbeconsideredthatthecrystalstructuresandcompositionsofthephotocatalystdeterminetheelectronicstructuresandopticalproperties,andsubsequentlydeterminethecorrespondingphotocatalyticperformance.Thus,anovelBi-basedphotocatalystdrivenbyvisible-lightcouldbedesignedbyutilizingspecificcompositionstoformfavorableelectronicstructuresorspecificmicro-structurestoformabeneficialchannelforenergycarriers.

简介：Asoneofcandidatesforthefuelcladdingorstructurematerialusedinfourthgenerationfissionandfusiondemonstratereactor,MAXphasehasthepropertiesofbothceramicandmetal,suchashighmeltingpoint,hightemperaturestability,gooderosionresistanceandradiation-damagetolerance[1;2].Maxphaseisaseriesofceramicsofnanolamellarandhexagonalstructure.Mrepresentstransitionelement.Arepresentsthethirdorfourthmaingroupelement.XrepresentNandC.Inthedesignoflead-cooledfastreactor,itisrequiredthatthematerialshouldendurethecorrosionofliquidPb-Bialloy.Therefore,understandingoftheoxidelayersandtheirgrowthmechanismsinLBEisfundamentallyimportantforthedevelopmentofcandidatematerials.

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简介：Thefullpotentiallinearizedaugmentedplanewave(FLAPW)methodisusedtostudythecrystalstructureandelectronicstructurepropertiesofPbFeo.5Nbo.5O3(PFN).Theoptimizedcrystalstructure,densityofstates,bandstructureandelectrondensitydistributionhavebeenobtainedtounderstandtheferroelectricbehaviourofPFN.TheanalysisresultofthedensityofstatesshowsthereisanobviouschangeofNbdstatesintheparaelectric-to-ferroelectricphasetransition.ThepolarizationresultshowsthatthecontributiontoferroelectricityofNbatomsislargerthanthatofFeatoms.InferroelectricphasethereisahybridizationofFed-OpandNbd-OpinferroelectricPFN.Thisisconsistentwiththeresultoftheelectronicbandstructure.Thishybridizationisresponsibleforthetendencytoitsferroelectricity.

简介：我们在CHF313.56MHz/2MHz调查中间的煤气的阶段双频率电容地联合血浆(CCP)因为蚀刻的SiCOH低绝缘的常数(low-k)电影，和2MHz的效果在激进分子上驱动集中。在13.56MHzCCP的CHF3的主要分离反应是低分离契约精力反应，它导致低F和高CF2集中。2MHz力量的增加能提起高分离契约精力反应的概率并且当几乎把CF2作为集中时，导致F集中的增加一个常数，它具有蚀刻的SiCOHlow-k电影的优点。激进的空间一致性依赖于二来源联合的力量。然而，2MHz力量的增加导致差的一致性一致性能被增加13.56MHz力量改进。

简介：Inthiswork,anewmethodtodealwiththeunconnectedpixelsinmotioncompensatedtemporalfiltering(MCTF)ispresented,whichisdesignedtoimprovetheperformanceof3Dliftedwaveletcoding.Furthermore,multipledescriptionscalablecoding(MDSC)isinvestigated,andnovelMDSCschemesbasedon3Dwaveletcodingareproposed,usingtheliftingimplementationoftemporalfiltering.TheproposedMDSCschemescanavoidthemismatchprobleminmultipledescriptionvideocoding,andhavehighscalabilityandrobustnessofvideotransmission.Experimentalresultsshowedthattheproposedschemesarefeasibleandadequatelyeffective.

简介：Intheprocessofoxidativephosphorylation,protonsarepumpedintotheintermembranespacetoestablishthemitochondrialmembranepotential(MMP).Relyingontheelectrochemicalgradient,protonscanreturntothematrixthroughtheATPsynthasecomplexwithATPgeneration.MitoQ,alipophiliccationdrug,canbebsorbedtotheinnermitochondrialmembranewiththecationicmoietystayingattheintermembranespace[1].

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简介：Thefastions,producedinD-3Hefusionplasma,arethe14.7MeVprotonsand3.6MeVαparticles.Becausetheirslowingdowntimesarefinite,therefore,theydevelopacertainamountofadditionalbeta(fir)whichhastobesupportedbythemagneticfield.

简介：Anapproachforgeneratinginteractive3Dgraphicalvisualizationofthegeneticarchitecturesofcomplextraitsinmultipleenvironmentsisdescribed.3Dgraphicalvisualizationisutilizedformakingimprovementsontraditionalplotsinquan-titativetraitlocus(QTL)mappinganalysis.Interactive3DgraphicalvisualizationforabstractexpressionofQTL,epistasisandtheirenvironmentalinteractionsforexperimentalpopulationswasdevelopedinframeworkofuser-friendlysoftwareQTLNetwork(http://ibi.zju.edu.cn/software/qtlnetwork).Noveldefinitionofgraphicalmetasystemandcomputationofvirtualcoordinatesareusedtoachieveexplicitbutmeaningfulvisualization.Interactive3DgraphicalvisualizationforQTLanalysisprovidesgeneticistsandbreedersapowerfulandeasy-to-usetooltoanalyzeandpublishtheirresearchresults.

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简介：HeteroepitaxialLaAlO3filmsweregrownonaSrTiO3/Si(100)substratebylasermolecularbeamepitaxyunderdifferentoxygenpressures,andtheirpropertiessuchascrystallinityandelectricalcharacteristicswereexperimentallyinvestigatedusingthevariousmeasurementmethods.Theresultsshowthatmostpropertiesdependmainlyonthedepositionoxygenpressure.ThecrystallinityandtheC-VandI-Vcharacteristicscanbegreatlyimprovedwiththeincreasingoxygendepositionpressure.Moreover,afterannealedat1050~CinN2ambient,theC-VandI-VcharacteristicsofLAOfilmsdepositedattheloweroxygenpressurearealsoimprovedduetothedecreaseofoxygenvacanciesinLAOfilms.