简介:Inthenewyear,thetrendofworldwideeconomicregionalismwillcontinueunabatedwiththecontoursofanEurope-America-Asiathree-regionworldclearerthaneverbeforeandheighteninginter-regionalcompetition.Yetthecentraltaskforthethreediverseregionsthisyearwillbe:howtoputtheirrespectivehousesinorder.Remarkableprogressmarkedeconomiccooperationwithinallthethreein-Creasinglydiversifyingregionsin1993,thuspavingthewayforfurtheradvancein
简介:Nowadays,thedisparityofthebasicpensioninlocalregionsofChinacanbedescribedasfollows:thelowleveloftheunificationofthebasicpensionsystems,thelargedisparityofthelevelofthebasicpension,andunfairnessoftheenterprises’paymentforthebasicpensionindifferentlocalregionsinChina.Thesehavealreadybroughtmanynegativeinfluences,whichhavegreatlyheldbackthedevelopmentofthesocietyandnationaleconomy.WeshouldbuildthebasicpensionsysteminalllocalregionsofChinaasawhole,whichcancoverallpeopleanddecreasethedisparityindifferentlocalregionsinChina.
简介:ThecurrentstatusofecotourisminruralChinawasanalyzedinthispaper.EmpiricalsurveyscoveringthewholecountryindicatethatecotourisminruralChinahasattractedalargenumberoftouristswho,however,didn’tgeneraterevenuesthatcanmatchthenumber.Althoughtheenvironmentalqualityofthoseruralecotourismdestinationsishighwithlittlenegativeimpacts,severalproblemshavealreadyappeared,suggestinganeedtomonitorthoseareas.Thecurrentpracticeofinterpretationinmostruralecotourismdestinationsdidnotprovideenvironmentaleducationopportunitiestothetourists.Andlocalcommunitiesneedmoreeffectivewaystodecideontheprospectsoflocalecotourismdevelopmentbythemselves.Finally,afewrecommendationsforimprovingthesustainabilityofecotourismdestinationswereprovided.
简介:TheanalysisofrepeatsintheDNAsequencesisanimportantsubjectinbioinformatics.Inthispaper,weproposeanovelprojection-assemblealgorithmtofindunknowninterspersedrepeatsinDNAsequences.Thealgorithmemploysrandomprojectionalgorithmtoobtainacandidatefragmentset,andexhaustivesearchalgorithmtosearcheachpairoffragmentsfromthecandidatefragmentsettofindpotentiallinkage,andthenassemblethemtogether.Thecomplexityofourprojection-assemblealgorithmisnearlylineartothelengthofthegenomesequence,anditsmemoryusageislimitedbythehardware.Wetestedouralgorithmwithbothsimulateddataandrealbiologydata,andtheresultsshowthatourprojection-assemblealgorithmisefficient.Bymeansofthisalgorithm,wefoundanun-labeledrepeatregionthatoccursfivetimesinEscherichiacoligenome,withitslengthmorethan5,000bp,andamismatchprobabilitylessthan4%.
简介:Wehaveappliedconceptsfrominformationtheoryforacomparativeanalysisofdonor(gt)andacceptor(ag)splicesiteregionsinthegenesoffivedifferentor-ganismsbycalculatingtheirmutualinformationcontent(relativeentropy)overaselectedblockofnucleotides.Asimilarpatternthattheinformationcontentdecreasesastheblocksizeincreaseswasobservedforbothregionsinalltheorgan-ismsstudied.Thisresultsuggeststhattheinformationrequiredforsplicingmightbecontainedintheconsensusof~6-8ntatbothregions.Weassumefromourstudythateventhoughthenucleotidesareshowingsomedegreesofconservationintheflankingregionsofthesplicesites,certainlevelofvariabilityisstilltolerated,whichleadsthesplicingprocesstooccurnormallyeveniftheextentofbasepairingisnotfullysatisfied.Wealsosuggestthatthisvariabilitycanbecompensatedbyrecognizingdifferentsplicesiteswithdifferentspliceosomalfactors.
简介:OnthebasisofNOAA/CPCdataofseasurfacetemperatureanomalyintheNinoregionsduringJan.1950-Dec.2003,thewaveletpowerspectrumofSSTwerestudiedwithsignificanceandconfidencetestingatdifferentscalesinthispaper.ItshowsthattheSSTareprovidedwithmulti-timescalesstructurenestedoneanother,andvaryonscalesof2-7years,8-20yearsand>30years.Themostsignificantvariationofthewarmandcoldepisodesisinthe4-yearbandofperiod.Thepower,frequencystructureandconfidenceofthesameepisodearedifferentindifferentNinoregions.TheintensityofoscillationsisincreasingatlowfrequencybandsanddecreasingathighfrequencybandsfromeasttowestintheNinoregions,especiallyafter1970.
简介:Inthispaper,aneffectivemethodofsimulatingthespatialdistributionofclimaticelementsinmountainousareasbyusingthesemi-empiricaltheoryispresented.Asanexample,thespatialdistributionsoftemperature,vaporpressure,relativehumidity,windspeedandprecipitationintheJianyangregionandtheShaxibasinofFujianProvincearecomputedwiththismethod,andthesimulatedresultsareingoodagreementwiththeobservations.
简介:学习强壮的运动记录和摇晃扎根的空间分发在在地震理解损坏的内在的原因是很重要的。在世界上的Manyregions不是instrumented或是稀疏地instrumented。因此,为运动损坏关联的重要机会被失去。二最近、损坏的地震属于失去的机会的班,也就是2005年10月和theYogyakarta(印度尼西亚)的克什米尔(巴基斯坦)地震2006年5月的地震。在这篇论文,在地震受灾的区域的供应和需求研究的重要性的概述被给,由地震学在重建瞄准了的研究工程的二个例子列在后面从稀少的数据的危险。纸与一个请求关门让负责的当局在不久的将来在地震监视投资网络。
简介:OIntroductionBypresent,soliddatabasehasbeengatheredonregionalmetallogenicstudiesonplate-tectonicbasis.Asformid-scaleandmoreoverlarge-scaleworks,theyarelessnumerous;methodologyandtypicalmodellingareatinitialstage,thoughfundamentalandappliedval-uesofthesestudiesarequiteevident.Theauthorshavetriedtodom
简介:1.IntroductionQuasarsarethemostluminousobjectsintheuniverseandthehighestredshiftobjectswecandirectlyobserve.Understandingtheiremissionlineshasacosmologicalimperativesincetheirspectradependonluminosity(the“Baldwineffect”;Baldwin1977,Osmeretal.1994).Oncewecandirectlymeasuretheirluminositythequasarswillgaugetheexpansionoftheuniverseatredshiftsz∧5.Atthesametime,theoriginofthechemicalelementsremainsacentralthemeacrossmuchofstellar,galactic,andextragalacticastrophysics.Quasarsprobeearlyepochsinthefor...
简介:Glacialdepositsinlocally-glaciatedmountainregionsareoftenexpressedthroughtheirsurfaceformandthestudyofthesedepositsconstitutesamajorbranchofgeomorphology.Studiesofglacialdepositionalrecordsinmountainareashaveoftenneglectedformalstratigraphicalprocedureresultinginanadhocdevelopmentofquasi-stratigraphicalnomenclature.Here,aformalstratigraphicalprocedureisrecommended,sincethisenablesasystematicapproachtothesubdivisionofglacialdepositsinmountainregions.Moreover,suchanapproachfacilitates,insomeinstances,thedevelopmentofaformalchronostratigraphythatcanbecomparedtoregionalandglobalgeologicaltimescales.Thisisimportantinlocally-glaciatedmountainregionswhereglacialdepositsrepresentoneofthemostimportantrecordsofcoldstageenvironments.GiventhatglaciallandformsrepresentakeycomponentoftheQuaternaryrecord,maintainingaformallinkbetweengeomorphologicalandgeologicalstratigraphicalprocedureisafundamentalrequirementofaconsistentandcomparablestratigraphicalframework.