简介:TherecanbenomodernizationinTibetwithoutmodernscienceandtechnologv,andthedisseminationofmodernscienceandtechnologyneedslanguageasanintermediaryAsthemaincommonlanguageoftheTibetanpeople,theTibetanspokenandwrittenlanguagehasplayedaveryimportantroleintheexistenceanddevelopmentoftheTibetanpeople.
简介:在这篇论文,我们为冲动的控制系统以二项措施学习稳定性和围住的海角。由使用变化Lyapunov方法,稳定性和围住的海角上的一个新变化比较原则和一些标准被获得。一个例子被举说明建议结果的效率。
简介:Inthisstudy,changesinArcticseaicethicknessforeachiceagecategorywereexaminedbasedonsatelliteobservationsandmodelledresults.InterannualchangesobtainedfromIce,Cloud,andLandElevationSatellite(ICESat)-basedresultsshowathicknessreductionoverperennialseaice(icethatsurvivesatleastonemeltseasonwithanageofnolessthan2year)uptoapproximately0.5–1.0mand0.6–0.8m(dependingoniceage)duringtheinvestigatedwinterandautumnICESatperiods,respectively.Pan-ArcticIceOceanModelingandAssimilationSystem(PIOMAS)-basedresultsprovideaviewofacontinuedthicknessreductionoverthepastfourdecades.Comparedto1980s,thereisaclearthicknessdropofroughly0.50min2010sforperennialice.Thisoveralldecreaseinseaicethicknesscanbeinpartattributedtotheamplifiedwarmingclimateinnorthlatitudes.Besides,wefigureoutthatstronglyanomaloussoutherlysummersurfacewindsmayplayanimportantroleinpromptingthethicknessdeclineinperennialicezonethroughtransportingheatdepositedinopenwater(primarilyviaalbedofeedback)inEurasiansectordeepintoabroaderseaiceregimeincentralArcticOcean.Thisheatsourceisresponsibleforenhancedicebottommelting,leadingtofurtherreductioninicethickness.
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简介:Onthebasisoftheresearchofthecartographicmodelsmadebytheauthorssomeyearsago,thispaperfurtherstudiestheestablishmentofcartographicfuzzymatrixtomaketheconceptsincartographye.g.,selection,deletion,mappinggeneralizationandimagetranformation,intosomeprecisemathematicalexpressions.
简介:Inthispaper,atechnicalandstatisticalanalysisofsecuritysystemandsecuritymanagementisprovidedforcrowdenergyandsmartliving.Atthesametime,aclearunderstandingismadeforcrowdenergyconceptandnextgenerationsmartliving.Variouscaseexampleshavebeenstudiedandabriefsummaryhasbeenprovided.Furthermore,astatisticalanalysishasbeenprovidedintermsofsecuritymanagementinsmartlivingwhereitisfoundthatyoungtechnocratsgivethehighestimportancetosecuritymanagementinsmartliving.Lastbutnottheleast,currentlimitation,constraints,andfuturescopeofsecurityimplementationhavebeendiscussedintermsofcrowdenergyclusteredwithnextgenerationsmartliving.
简介:Itisshowninthispaperthatifparametersβ1,β2andβ3ofanonlinearSchrodingerequationwithhigherorderdispersionterms(HNLS)satisfythecondition:6β1-β2-2β3(1-6β1k)=0,karealconstant,thenthefundamentalsolitonsolutionsoftheHNLSequationexist.Theexactsolitonsolutionsaregivenandtherelationbetweenthisconditionandtheknownresultsintheliteratureisalsodiscussed.