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简介：基于最好轨道的数据和JRA-25分析，热带气旋(TC)的西方的向北和平的热带以外的转变(et)的气候学在这份报纸被介绍。它被发现那35%(318从912)所有，TC在1979期间经历了et-2008。温暖季节(通过9月的6月)et与大多数说明64%所有et事件在9月的出现。区域120楶祴搠湥楳祴眠獡挠潬敳祬挠牯敲慬整?潴琠敨漠獢牥敶???捡畣畭慬楴敶爠楡普污l

简介：Mesoscaleconvectivesystems(MCSs)areseveredisaster-producingweathersystems.PreviousattemptsofMCScensusaremadebyexamininginfraredsatelliteimageriesartificially,withsubjectivityinvolvedintheprocessunavoidably.Thismethodisalsoinefficientandtime-consuming.ThedisadvantagesmakeitimpossibletodoMCScensusoverAsiaandwesternPacificregion(AWPR)withanextendedspanoftime,whichisnotfavorableforgainingadeeperinsightintothesesystems.Inthispaper,afire-newautomaticMCSidentification(AMI)methodisusedtocapturefourcategoriesofMCSswithdifferentsizesandshapesfromnumericalsatelliteinfrareddata.47,468MCSsareidentifiedoverAsiaandwesternPacificregionduringthewarmseason(MaytoOctober)from1995to2008.Basedonthisdatabase,MCScharacteristicssuchasshape,size,duration,velocity,geographicaldistribution,intermonthlyvariation,andlifecyclearestudied.ResultsindicatethatthenumberoflinearMCSsis2.5timesthatofcircularMCSs.Theformerisofalargersizewhilethelatterisofalongerduration.The500hPasteeringflowplaysanimportantroleintheMCSmovement.MCSstendtomovefasteraftertheyreachthemaximumextent.FourcategoriesofMCShavesimilarcharacteristicsofgeographicaldistributionandintermonthlyvariation.Basically,MCSsarezonallydistributed,withthreezonesweakeningfromsouthtonorth.TheintermonthlyvariationofMCSsisrelatedtotheseasonaladjustmentofthelarge-scalecirculation.AstotheMCSsoverChina,theyhavedifferentlifecyclecharacteristicsoverdifferentareas.MCSsoverplateausandhillareas,withonlyonepeakintheirlifecyclecurves,tendtoformintheafternoon,matureatnightfall,anddissipateatnight.Ontheotherhand,MCSsoverplains,whichhaveseveralpeaksintheirlifecyclecurves,mayformeitherintheafternoonoratnight,whereasMCSsovertheoceanstendtoformatmidnight.Affectedbythesea-landbreezecirculation,MCSsoverc

简介：ThepaperanalyzesthesedimentsourceofwatershedbymeansofstudyingwatershedinwestemShanxioftheLossesPlateau.Onthebasisofwatershedsclassification,7typicalwatershedswerechosenandobservedfor11years.Theresultshowsthatthesedimentatthesmallwatershedmainlycomesfromgullies,whichis60%ofthetotalsediment.Erosionmodulusofvalley(includinggullyhead,gullybed,valleyside)is1.28-2.48timesasthatoftheareabetweenchannels(includinghillslopeandmoundoftheLoessPlateau).Themainsedimentsourceofslopeerosioniscultivatedlandonslopewithoutwaterandsoilconservationmeasures.

简介：InwesternSongnenPlainofChina,thesaline-alkalinedegreeofwaterbodiesishighinsaltmarshwetlands.Generally,pHisabove8.0,andthehydrochemicaltypesbelongtoHCO32--Na+.ThroughanalysisonthebasicsalinevariablessuchasCO32-,HCO32-,Cl-,Ca2+,Mg2+,SO42-,Na+,andthederivativevariablessuchasSAR,SDR,RSC,SSP,therelationshipsbetweendifferentvariablesarefound,andthediscriminantequationsareestablishedtoidentifydifferentsaline-alkalinewaterbodiesbyusingprincipalcomponentanalysis.

简介：LaizhouBayanditsadjacentwatersareofgreatimportancetoChina’smarineoilandgasdevelopment.Itisthereforecrucialtoestimatereturn-periodvaluesofmarineenvironmentalvariablesinthisregiontoensurethesafetyandsuccessofmaritimeengineeringandmaritimeexploration.Inthisstudy,weusednumericalsimulationstoestimateextremewaveheight,seacurrentvelocityandsea-levelheightinwesternLaizhouBay.Theresultsshowthatthesea-levelrisestartsatthemouthofthebay,increasestowardwest/southwest,andreachesitsmaximuminthedeepestbasinofthebay.The100-yearreturn-periodvaluesofsealevelrisecanreach3.4–4.0minthewesternbay.TheelevationofthewesternpartoftheQingdongOilFieldwouldremainabovetheseasurfaceduringextremelowsealevel,whiletherestoftheoilfieldwouldbe1.6–2.4mbelowtheseasurface.Thereturn-periodvalueofwaveheightisstronglyaffectedbywaterdepth;infact,itsspatialdistributionissimilartotheisobath’s.The100-yearreturn-periodvaluesofeffectivewaveheightcanbe6morhigherinthecentralbayandbemorethan1mintheshallowwaternearshore.The100-yearreturn-periodvaluesofcurrentvelocityisabout1.2–1.8ms-1intheQingdongOilField.Theseresultsprovidescientificbasisforensuringconstructionsafetyandreducingconstructioncost.

简介：Integratedstudiesofverticalsedimentarysequences,grainsizes,andbenthicforaminiferaandostracoda,incombinationwithAMS14Cdating,and210Pband137CsanalysiswerecarriedoutinthreevibracorestakenfromtheareaofrelictdepositsonthewesternSouthYellowSea.Therelictsands,whichareabout0.4mthick,overlieontheEarlyHolocenecoastalmarshortidalflatdepositswithanevidenterosionalinterfaceinbetween.Themiddleandupperpartsorsometimesthewholeoftherelictsandshavebeenreworkedunderthemoderndynamicenvironment.Thesedimentationratevariesbetween0.20–0.30cmyear-1.Therelictsandsshowabimodalgrain-sizedistributionpatterninfrequencycurves,withasharppeakinthecoarsefractionbetween3Φand4Φandasecondarypeakinthefinefractionofabout7Φ.Ofthebenthicforaminiferalandostracodassemblages,thereworkedrelictsandsarecharacterizedbythemixingofthenearshoreeuryhalineshallow-waterspeciesanddeeperwaterspecies.TheerosionalinterfaceatthebottomoftherelictsandsisconsideredasaregionalravinementsurfaceformedduringthetransgressionintheEarlyHoloceneduetoshorefaceretreatinglandwards.Therelictsandswereaccumulatedontheravinementsurfaceduringthetransgressioninthedeglaciationperiodaslagdepositsafterwinnowingandreworkingbymarinedynamicprocesses.Andthesecondarypeakoffinefractioninthefrequencycurvefortherelictsandssuggeststheinputoffine-grainedsedimentsduringthereworkingprocess.Astheconclusion,therelictsandsinthestudyareaareinterpretedasatypeofreworkedrelictsediments.

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简介：TheDajiangpingpyritedepositlocatedinthemiddlesectoroftheYunkaiupliftinwesternGuangdongisastratiformsulphidedepositoccurringinSinianmarineclasticandfineclasticrocks.Theformationofthedepositwasrelatedtosubmarineexhalationandhotbrinedeposition.Apartofitwasreformedbylate-stagehydrothermalsolution.Theδ34Svaluesofpyritevaryfrom-25.55‰to+21.07‰,whichareinverselyproportionaltothecontentoforganiccarboninoreandpyrite.Passingfromstripedfine-grainedpyriteoretomassivecoarse-grainedpyriteore,i.e.fromsouthtonorth,thesulphurisotopiccompositionchangesfromthelightsulphur-enrichedonetotheheavysulphur-enrichedone.Theleadisotopiccompositionofstripedoreisconsistentwiththatofthecountryrocksoforebodiesandtheleadisradiogenicleadderivedfromtheuppercrust.Theleadisotopiccompositionofmassiveoreisrelativelyhomogeneousandits206Pb/204Pb,207Pb/204Pband208Pb/204Pbratiosareabitlo

简介：大气、海洋的条件在西方的向北和平的热带气旋(TC)的生命周期的不同阶段期间被检验，与理解环境怎么影响在这个区域的TC的紧张变化的意愿。内在的海表面温度(SST)什么时候比26高，被发现增强通常发生

简介：Fromautumn1999throughtheyear2000,ZhouyuanArchaeologicalTeamexcavatedasetofWesternZhoubuildingfoundations,whichwaswellpreservedanduniquelydesigned.ItissignificantlyvaluablefortheresearchontheritualsystemoftheWesternZhouDynasty.Weherebytrytomakeapreliminarystudyonitsstructureandfunctionwithreferenceofhistoricalliterature.

简介：Variationsinthedistributionsofcarbazolesanddibenzothiopheneswereinvestigatedinasetofsourcerocks,whichdiffermainlyintheirmaturitylevelsduringimmature-maturestages.Acomparisonofthedistributionsofcarbazolesanddibenzothiopheneshasrevealedthemainresultsasfollows:variationsintherelativeamounts①ofC0-,C1-,C2-dibenzothiophenesshowalowcorrelationwiththatofthecorrespondingcarbazoles,withtheformer'sbeingmuchhigherthanthelatter's;variationsintherelativeamountsofmethyldibe②nzothiopheneisomersalsodisplayalowcorrelationwiththatofthecorrespondingmethylcarbazoles,with4-/4-+1-methyldibenzothiopheneratiorangingfrom0.52to0.96,whilethecorrespondingcarbazoleratioof1-/1-+4-methylcarbazoleonlybeing0.71±0.05;themat③urityparameterfor4,6-/4,6-+1,4-dimethyldibenzothiohene,rangingfrom0.34to0.75,showsaremarkablelinearcorrelationwiththecorrespondingratioof1,8-/1,8-+1,4-dimethylcarbazole(R2>0.84).Theun-correlationmayindicatesomedifferentgeological-geochemicalfatesforsomeisomersofdibenzothiophenesandcarbazoles.Thehighcorrelationmayrevealastrongmaturationdependenceonthedimethylcarbazoledistributions,indicatingthatattentionshouldbepaidwhen1,8-/1,8-+1,4-dimethylcarbazoleisusedasapetroleummigrationindicator.

简介：甲壳虫(翘目)是从西方的澳大利亚的更低的侏罗记Mintaja昆虫地区恢复的最普通的昆虫，与在从这个地点记录的石块的一半上是孤立的甲虫类之昆虫elytra。部分甲壳虫身体和另外的孤立的甲壳虫sclerites的一个范围也从地区被恢复了；许多这材料是分类地unidentifiable由于它的关节脱落和差的保藏。很多Mintaja甲虫类之昆虫被分到archostematan家庭Ommatidae，包括Zygadeniawestraliensis(Riek，1968)梳子。nov，以前在morphogenusMesothoris，和Tetraphalerus的未命名的种放了。另外记录了是elaterid的新种，Lithomeruswundasp。nov，与对一样的家庭多半可归因的另外的碎片一起。留下的材料被分配进morphospecies，明确地首先在保存身体部分上分开了，基于部分明白表示的甲虫类之昆虫身体有三morphospecies，二morphospecies基于孤立的头囊，三morphospecies基于孤立的胸的sclerites，三morphospecies基于孤立的腹的sclerites，并且13morphospecies基于孤立的elytra。总的来说，尽管一些甲壳虫是多半水的，这些石块的生态学是困难的由于差的保藏解释，并且Ommatidae和Elateridae两个都是多半木生的。从Queensland的晚三叠纪的丹麦希尔地区Mintaja甲虫类之昆虫和那些有强壮的类似，尽管许多这些类似基于morphotaxa并且可能在自然表面。被分到命名taxa的种，都通常典型地代表世界范围的迟了的中生代，与Zygadenia，Tetraphalerus和Lithomerus所有long-ranging，大都会的类。

简介：Duringthelong-termhumandevelopment,theformationofthelanguagehasitsownnationalcharacteristics.Languageisahumanspecificsymbolsystem,culturalrubyandoneofthemostimportantcarriersofculture.Theproduction,economiclife,geography,religion,andsoonarereflectedinthelanguage.Loveiseternaltopicandlovewordshaveverydeeprichculturalimplication.Forthousandsofyears,peoplepraisebeautifulloveandaffection.ThispaperwilltakelovewordsforexampletolookintoChineseandWesternculturalcharacteristics.

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简介：StrataofdifferentgeologicalperiodsextensivelyoutcropinwesternGuang-dongProvince,butmostgolddepositsarerestrictedtotheMiddle-LateProterozoicYunkaiGroupandtheCambrianBacunGroup,showingobviousstrata-bouncharacter-istics.GoldabundanceandtraceelementgeochemistryoftheYunkaiandBacunGroupsarecomparedwiththoseoftheOrdovicianandSilurianstrta.TheYunkaiGroupisconsideredtobethesourcestrataforgoldmineralizationintheregion.

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简介：TheThirdWesternPacificRegionalAcousticsConference(WESTPACIII)washeldinNov.2-4,1988attheMagnollaHotelinShanghai.TheWESTPACIIIwasco-sponsoredbytheAcousticalSocietyofChina,theInstituteofAcousticsofAcademiaSinicaandtheAcousticalSocietyofShanghai.298scientistsandengineersfrom14countriesandareas,includingChina,Japan,Korea(South),India,HogngKong,NewZealand,Australia,Singapore,USA,GreatBritain,Denmark,Sweden,F.R.GermanyandIsrael,participatedintheWESTPACIII.TheopeningceremonywasheldinthemorningofNov.2.Prof.YingChongfu,Chairmanoftheorganizingcommitteemadetheopeningspeech.Intheplenaryses-sion,Prof.HiroyaFujisakifromUniv.ofTokyo,Japan,Prof.A.C.KibblewhitefromUniv.ofAuckland,NewZealandandProfWeiRongjuefromNanjingUniv.,

简介：Background:ThefragilelandscapesoftheHimalayanregionarehighlysusceptibletonaturalhazards,andthereisongoingconcernaboutcurrentandpotentialclimatechangeimpacts.ThisstudyprovidesbackgroundinformationonIndia'sWesternHimalayasandreviewsevidenceofwarmingaswellasvariabilityinprecipitationandextremeevents.Methods:UnderstandingandanticipatingtheimpactsofclimatechangeonHimalayanforestecosystemsandtheservicestheyprovidetopeoplearecritical.Effortstodevelopandimplementeffectivepoliciesandmanagementstrategiesforclimatechangemitigationandadaptationrequiresparticularnewresearchinitiatives.Thevariousstudiesinitiatedandconductedintheregionarecompiledhere.Results:SeveralnewinitiativestakenbytheHimalayanForestResearchInstituteinShimlaaredescribed.Thisincludesnewpermanentobservationalfieldstudies,somewithmappedtrees,inhighaltitudetransitionalzonesforcontinuousmonitoringofvegetationresponse.WehavealsopresentednewstrategiesformitigatingpotentialclimatechangeeffectsinHimalayanforestecosystems.Conclusions:AssessmentoftheecologicalandgeneticdiversityoftheHimalayanconifersisrequiredtoevaluatepotentialresponsestochangingclimaticconditions.Conservationstrategiesfortheimportanttemperatemedicinalplantsneedtobedeveloped.TheimpactofclimatechangeoninsectsandpathogensintheHimalayasalsoneedtobeassessed.Coordinatedeffortsarenecessarytodevelopeffectivestrategiesforadaptationandmitigation.

简介：TheGyalse(rgyal-sras)regimeoftheTubotribesroseatthebeginningofthe^IIthcentury.Itsfounder,Gyalse,wasaTubochieftainoftheHe-Huangarea,betweentheYellowandtheHuangshuiRiversinEastQinghaiandWestGansu.AdescendantoftheTuboTsenporoyalfamily,andaleaderofgreattalentandboldvision,