简介：差距统计数值是聚类有效性的一个著名索引，但是它的实现是困难的被理解并且精确地决定了。一个直接方法被介绍改进差距统计数值的表演，它使用在内簇分散的二顺序的差别在差距统计数值代替构造空参考分发。因此，差距统计数值的实现变得容易并且在应用是reformulated，和它的不确定性被减少。另外，差距统计数值的限制被二个典型例子分析，也就是说，差距统计数值是困难的被用于包含强壮重叠或不平密度的簇的数据集。实验验证建议方法的实用性。

简介：Afewresearchesadoptvirtualrealityinlandslide.Soitissignificanttocombinethephysics-baseddeformablemethodwiththeprocesssimulationofaslidinglandslide,thiswaythedynamicprocessofagoinglandslidecanbesimulated.Theanalysisofthedynamiclawoflandslideprovidesafoundationtoforecastandmakeitrealiabletoforetelldisasters.AfterrecountingtheconditionofVRandlandslidingbodysimulation,thispaperputsforwardsimulatinglandslidebythephysics-baseddeformablemethod.Themethoddivideslandslidingintodeformablebodyandrigidone.ThedeformationofdeformablebodycanbecomputebyDDAandFEM,andDDAfitsthegreatdeformationandFEMisgoodforthetinydeformation.Thispapershowsitisfeasibletosimulatethelandslideanimationbythismethod.

简介：Assumeanunreliableworkstationperformingjobswitharandomservicetime,namely,itoccasionallybreaksdownbecauseofunexpectedinterruptions.Asaninterruptionreallyoccurs,thestationisinstantaneouslyrepairedandtheuncompletedjobisrestartedagainfromthebeginningtillajobiscompletedwithoutbeinginterrupted.ThetotalservicetimeisshowntobeNBUifandonlyifthetotaltimeittakestofinisheachjobwithinterruptionsisstochasticallylargerthanthatwithoutthem,irrespectiveofwhenandhowthebreakdownsoccur.Asanapplication,anonparametricprocedureisdevelopedtotestforthestrictNBUpropertyoftheservicetime.Finally,somenumericalsimulationsarepresentedaswell.

简介：ThispaperdescribestheuseoftheArc/InfoandArcViewGIStoolstoestimatesoilerosionwithUniversalSoilLossEquation(USLE).Calculationsarebedonebyusingcapabilitiesavailable.Thisstudystartwithadigitalelevationmodel(DEM)ofShaanxi,whichwascreatedbydigitizingcontourandspotheightsfromthetopographicmapon1∶250000scaleandgridthemesfortheUSLEKandCfactors.ItisnoteworthythatUSLEKcanbeobtainedbyaddingtheKfactorasanattributetoasoiltheme'stable.TheCcanbeobtainedfromtablesorusingtheinformationaboutlanduseandmanagementgivenbyUSLEprogram.AlandusethemecanbeusedtoaddtheCfactorsasanattributefield.ThepurposeofthisstudyistoestablishspatialinformationofsoilerosionusingUSLEandGISanddiscusstheanalysisofthesoilerosionandslopefailuresinGISandformulatethepossibleframework.

简介：Occlusaldisordercausedbysevereworndentitionisoneofthemostcommondiseasesintheocclusion.Occlusalreconstructionisanimportantrepairmethod,referringtomodifyandrebuildtheexistingocclusionstatus,thentorestoretheocclusion.Duringocclusalreconstruction,thedigitalocclusionanalysissystemcanaccuratelyacquiretheocclusionstatus,inordertoguidethereconstructionocclusionaccuratelyandrestorethenormalfunctionoftheoralmaxillarysystem.Thispaperreviewstheconceptofocclusalreconstruction,sequencetherapy,traditionalocclusionanalysismethodsandthedevelopmentstatusandprospectofdigitalocclusionanalysis.

简介：这个工作介绍观察员结构并且在差错察觉和隔离加亮它的明显的优点。它到在同步发电机的shorted拐弯察觉的问题的应用程序被演示。为Luenberger类型观察员为的理论基础，集中和设计扰乱线性时间不变(LTI)单个输入单个产量(SISO)系统与输入和输出骚乱的一个特别焦点被考察。作为另外的结果，作为在古典结果，为避免系统顺序延期的静止产量骚乱的一个简单观察员图案被建议。

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简介：一个新估计方法被建议，它利用unscentedtransform方法，因此，真平均数和协变性更精确地被接近。没有为EKF必要的linearization进程，新方法能被用于非线性的系统，并且它不要求噪音的Gaussian分布并且什么“s更多的，它实现和更精确的评价特征的容易使它能在卫星轨道模拟的实验表明它的好性能。数字实验证明unscentedKalman过滤器的申请比EKF更有效。

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简介：Consideringourcountry'spresentsituation,inthispaperweprovidetenevaluationindexesofthecreditapplicationmanagement,whichisusedastheinputvectorofneuralnetwork.Thenwesetupathree-layerbackpropagationmodelforthecreditapplicationevaluationbasedontheartificialneuralnetwork.Wealsoanalyzedthemodelusingtherealdata;thetestingresultindicatesthatthemodelisagoodmethodandagoodtool.

简介：ATi/Sicomplexzeolitehasbeenprepared.X-raydiffractionandinfraredspectrometrystudyhasshownthattwostructures,namelytheZSM-5andMCM-41,existinthesample.BETtestshaverevealedthatthecomplexzeolitecontainsregularmesoporesof2.6nm.UltravioletspectrometryanalysishasshownthattheTispeciesexistinthezeoliteskeletonintheformoftetra-coordinatevalence.TheTi/Sicomplexzeolite(TS-1/Ti-MCM-41)hasapparentlyimprovedcatalyticactivitywithrespecttothemacromolecularorganiccompoundoxidationascomparedtoindividualcomponentsofeitherTiorSicontainingzeolites(TS-1andTi-MCM-41).

简介：我们获得并且适用几乎复杂的结构的integrability条件的一种简单形式到Hopfmanifolds。

简介：Involuntaryresettlementcausedbyprojectconstructionisadifficultproblemovertheworld.Inthepast,therestorationoflivelihoodsintheeventofinvoluntaryresettlementhasbeenbasedpurelyonprovidingcompensationtothosewhoaredisplaced.Evidencehasshownthatcompensation-basedinvoluntaryresettlementcannotrealizetheobjectiveofrestoringandimprovingresettlers'livingstandard.Withaviewtoimprovethisoutcome,thecon-ceptofResettlementwithDevelopment(RwD)wasenvisagedandisnowgenerallyheraldedasthemeanstomitigatethecatastrophicfailuresofthepast.However,fewdevelopingcountrieshaveincludedtheconceptofRwDintotheirnationalpoliciesandChinaisoneofthem.TheChinesegovernmenthastakenresettlementasanopportunitytohelpresettlersrestoreandimprovetheirlivingstandardsanddevelopeconomyinreservoirareasbyimplementingRwDpolicyincludinggivingcompensationandsubsidiesatearlystageandofferingproductionassistanceatlatestage,settingupreservoirconstructionfund,initiatingpartnershipprogramsandpreferentialpolicyaswellasenhancinginfrastructureconstruction.ThepreliminaryexperiencefromtheTGPresettlementhasverifiedthatthetransformationfromcompensation-basedresettlementtoRwDisarightpolicychoice.Meanwhile,becauseofthechangingpoliticalenvironmentandthecomplexityofinvoluntaryresettlementthereisstillroomforChinatoimproveitsRwDpolicy.

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简介：An8-channelHCNlaserinterferometerwillbeinstalledonHL-2Ainnearterm.InordertogetthespatialprofileoftheelectrondensityBarrnumericalmethodisadoptedtorealizetheAbelinversion.InthisarticletheresultoftheAbelinversionbyMatlabGUIisgivenwhichcanbeupdatedtoprocessthemeasureddataofthe8-channellaserinterferometerandprovidethespatialdistributionoftheelectrondensity.