简介：Traditionallymincraldepositsaredividedintotwokinds,endogenicandcxogenic.Butinfact,manymineraldepo8its,espcciallylargeand8upcrlargemincra1depositswhichoccupyacon8idcrab1eproportion,e.g’theBayanOboniobium-tanta1um-rareearth-irondeposit,theDexingcoppcr-golddc-posltandtheAnoqinlinggolddepositinChinaandt

简介：我们学习统计射出从在microcavity内限制的Rydberg原子走了并且在强壮的联合政体与泵激光交往。我们与内部系统参数相关探索antibunching的表明。

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简介：WestudythedynamiccavitymethodfordilutekineticIsingmodelswithsynchronousupdaterules.FortheparallelupdaterulewefindforfullyasymmetricmodelsthatthedynamiccavityequationsreducetoaMarkoviandynamicsofthe(time-dependent)marginalprobabilities.Fortherandomsequentialupdaterule,alsoaninstantiationofasynchronousupdaterule,wefindontheotherhandthatthedynamiccavityequationsdonotreducetoaMarkoviandynamics,unlessanadditionalassumptionoftimefactorizationisintroduced.ForsymmetricmodelsweshowthatafixedpointofordinaryBeliefpropagationisalsoafixedpointofthedynamiccavityequationsinthetimefactorizedapproximation.Forclarity,theconclusionsofthepaperareformulatedasthreelemmas.

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简介：一个计划为二面洞镜子为纠缠的状态的产生被介绍。在计划，开始处于一个真空状态的每面镜子与一块弱协调的地交往，导致一个光子数字依赖者踢。从洞漏的一个光子的察觉折叠二面镜子到一个纠缠的状态。

简介：我们为为一个洞模式认识到Kerr类型非线性建议一个计划。在计划，洞模式散地与一个单个三水平的原子交往。Undercertain条件，洞地的进化，从自由的原子度的decoupled，对应于克尔效果。计划能被概括为二个洞模式实现cross-Kerr效果andtwo-qubit阶段门。

简介：Noinstrumentisabletomeasuredirectlythequantumentanglementofasystem.However,boththeoryandexperiment,followingthewell-knownBellinequality,revealtheexistenceoftheentanglementphenomenoninquantummechanics.Toexaminethecharacterizationofquantumentanglement,herewepresentatwo-sitecavitysystem,inwhicheachcavitycontainsaΛ-typethree-levelatomandthetwositesareidenticalandcoupledwitheachother.Weinvestigateandcalculatethebipartiteentanglemententropyofthesystemforthegroundstates.Forphotonsofdifferenttypes,correspondingtothetwogroundstatesoftheatom,weinvestigatethecorrelationsandviolationoftheBellinequality.

简介：Consideringtheadiabaticalapproximationandthelargedetuningcondition,wegivetheeffectiveHamil-ionianofaladder-typethreelevelsatominteractingwithabimodalcavityfield.Iftwoidenticalthree-levelatomsaresentthroughthecavityonebyone,atwo-atomentangledstatecanbegenerated.Withthechoiceoftheappropriateinteractiontime,amaximallyentangledstateoftwoatomscanbeobtainedifdecoherenceeffectisignored.Moreover,wediscusstheeffectofcavitydecayonfourphysicalquantitiesincludingatomicpopulationprobability,residualentan-glementofthefirstatomandthecavityfield,concurrencebetweenthetwoatoms,andfidelityforgeneratingatomicEPRstate,allofwhichdecreasewiththeincreaseofcavitydecaywhentheotherparametersarefixed.

简介：Ananalysissolutionofrateequationisderivedforverticalcavitysurface-emittinglasers.BasedontheenhancedspontaneousemissioncausedbyVCSELsandinfluenceofnonradiativerecombination,therelationbetweenoutputpropertiesandstructuralparametersofmulti-quantumwells(MQWs)isobtanined.Itwasfoundthatthecharacteristiccurveofa"thresholdless"laserisstronglynonradiativedepopulation-dependent.Whenthenonradiativedepopulationisnozero,thelight-currentcharacteristicisnotlinearlyevenforanidealclosedmicrocavity.Thelightoutputisincreasedbytheenhancedwellnumberandbythereducedwidth.Inparticular,alowerthresholdcurrentdensityforMQWsstructureintheshortcavityisrealizedbyus,meanwhilethesharpnessofthevariationdependsonspontaneousemissionfactor.

简介：TheproblemofthemixedconvectioninacubiccavityisstudiedwithlatticeBoltzmannmethod.Amultiple-relaxation-timelatticeBoltzmannmodelforincompressibleflowinthecubiccavityandanotherthermallatticeBoltzmannmodelforsolvingenergy/temperatureequationareproposed.Thepresentmodelsarefirstvalidatedthroughacomparisonwithsomeavailableresults,andthen,wepresentadetailedparameterstudyonthemixedconvectioninthecubiccavity.ThenumericalresultsshowthattheHowandtemperaturepatternschangegreatlywithvariationsoftheReynoldsandRichardsonnumbers

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简介：WiththerapiddevelopmentofhighdamprojectswithinChina,thedragon-drop-tailspillwaytunnelisintroducedandwidelyused.Inviewofthehighwaterheadandthelargeflowvelocityonthedragon-drop-tailsection,aeratordevicesareusuallyplacedforthecavitationdamagecontrol.Forthedeviceplacedinitsinitialposition,itisaseriousconcerntodesignasuitableflowregimeofthecavityandtocontrolthecavityfillingwaterduetothelargeflowdepthandthelowFroudenumberthroughthisaerator.Inthisstudy,therelationshipsbetweenthegeometriesoftheaeratordeviceandthejetimpactangleofthelowertrajectoryoftheflowaretheoreticallyanalyzedwith/withoutalocalslope.Ninetestcaseswithdifferentgeometriesaredesigned,theeffectivenessofthefillingwatercontrolisexperimentallyinvestigatedunderdifferentoperationconditions,andtwocriteriaofthelocalslopedesignareproposed.Itisconcludedthatthecavityflowregimeandthefillingwatercanbeimprovedifasmallimpactangleandsomesuitablegeometriesofthelocalslopearedesigned.

简介：Thispaperreportsaflumeexperimentofflowandsedimentmovementinacavity.Theflowvelocity,sedimentconcentrationandthemechanismofhydraulicsortinginthecirculationflowarediscussed.Thequantityandpatternsofsedimentdepositioninthecirculationareaarestudiedaswell.

简介：Ferrocementpanelshavebeenusedinlowcosthousingconstructionindevelopingcountries.Thisstudyfocusesonthesoundtransmissionperformanceofcavityferrocementpanelswithties.Inthisstudy,panelshavebeencastandtestedintransmissionlosssuitespeciallydesignedandconstructedfortestingtheirsoundtransmissionperformanceexperimentally.Themeasuredresultsagreewellwiththetheoreticalmodel.

简介：Theabsorptionofsingle-cav计yanddouble-cavityoptomechanicalsystemsandperiodicoptomechanicallatticeshaspreviouslybeeninvestigatedextensively.Inthispaper,wepresenttheabsorptionofanonperiodiccavitychain.wheretheabsorptionvalueontheresonancepointshowsswitchabledipsorpeaks,accordingtowhethertheoptomechanicalinteractionisatanoddoreven-numberedpositioninthechain.Meanwhile,thevalueofabsorptionduetotheoptomechanicalinteractionvarieswiththenumberofthebarecavities.Thecalculatedresultsmayhavesomenovelapplications,suchasdetectingthepositionofthemovablemirrorinalongcavitychain,whichwouldbeusefulinquantuminformationprocessingbasedonoptomechanicalsystems.

简介：Overthepastseveralyears,theseverityofHelicobacterpylori（H.pylori）infectionshasnotsignificantlydiminished.Aftersuccessfuleradication,theannualH.pylorirecurrencerateisapproximately13%duetooralH.pyloriinfection.EstablishedclinicaldiagnostictechniquesdonotidentifyanoraletiologicbasisofH.pyloripriortogastricinfection.TherehasbeendisagreementastowhetheroralinfectionofH.pyloriexistsornot,withnodefiniteconclusion.Inmedicalpractice,negativeresultswiththeureabreathtestsuggestthatthestomachinfectionofH.pyloriiscuredinthesepatients.Infact,patientscanpresentnegativeureabreathtestresultsandyetexhibitH.pyloriinfectionduetooralinfection.ThepresentpaperprovidesevidencethatH.pylorioralinfectionisnonethelesspresent,andtheoralcavityrepresentsasecondarysiteforH.pyloricolonization.

简介：Cavityoptomechanicsisappliedtostudythecouplingbehaviorofinteractingmoleculesinsurfaceplasmonsystemsdrivenbytwo-colorlaserbeams.Differentfromthetraditionalforce–distancemeasurement,duetoaresonantfrequencyshiftorapeaksplittingontheprobespectrum,wehaveproposedaconvenientmethodtomeasurethevanderWaalsforcestrengthandinteractionenergyvianonlinearspectroscopy.Theminimumforcevaluecanreachapproximately10-15N,whichis3to4ordersofmagnitudesmallerthanthewidelyappliedatomicforcemicroscope（AFM）.Itisalsoshownthattwoadjacentmoleculeswithsimilarchemicalstructuresandnearlyequalvibrationalfrequenciescanbeeasilydistinguishedbythesplittingofthetransparencypeak.Basedonthiscoupledoptomechanicalsystem,wealsoconceptuallydesignatunableopticalswitchbyvanderWaalsinteraction.Ourresultswillprovidenewapproachesforunderstandingthecomplexanddynamicinteractionsinmolecule–plasmonsystems.

简介：我们在场在intracavity冷却并且外部洞为光制冷冷却之间的比较。结果证明intracavity计划在低光密度(0.01)被比较喜欢。我们能在实验为不同案例选择合适的计划。而且在一样的条件下面，拿做Yb3+的ZBLAN(ZrF4-BaF2-LaF3-AlF3-NaF)作为一个例子拍摄，二个计划的冷却过程被获得。计算结果证明冷却的intracavity将为一件薄电影样品完成更大的温度落下。最后，二极管激光可以为简短讨论的intracavity模型成为一个候选人。[从作者抽象]

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