学科分类
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111 个结果
  • 简介:法国位于欧洲的西部,离英国并不远。和英国不一样.它可没有那么多让我搞不清楚的名字。在导航仪的指引下,我们的飞船很顺利就到达了法国。

  • 标签: 小学 英语 课外阅读 阅读材料
  • 简介:WiththeendoftheColdWar,theconceptoftheThirdWorldhasgreatlychanged,andtheimportanceofthedevelopingstatesinU.S.newglobalstrategy,primacywithflexiblereactions,hasre-oriented.TheU.S.policytowardthesenationsalsohasbecomemorecomplicatedthanduringtheColdWarperiod.

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  • 简介:Researchongeomagneticreversalchronologyhasestablishedtheexistenceoftwosuperchrons,oneduringtheCretaceousandtheother(Kiaman)duringtheLatePaleozoic.Overthepastfewyears,wehaveperformedseveralmagnetostratigraphicstudiesonEarlyPaleozoic(CambrianandOrdovician)sedimentarysequencesfromSiberia.OurresultsshowhighmagneticreversalfrequenciesduringtheMiddleCambrian.Incontrast,severalrecordsshowtheoccurrenceofa-20MyrlongreversedpolarityintervalintheLowerandMiddleOrdovician,suggestingthepresenceofathirdsuperchron.Weproposetogivethenameof“Moyero”tothisnewsuperchron;thisnameisattributedtotheSiberiansectionwhichfirstyieldedacompleterecordofthisreversedpolarityinterval.

  • 标签: 古生代 地磁反演 地质年代学 白垩纪 沉积序列
  • 简介:Theconsequencesofglobalclimatechangepresentaseriousstrategicchallengeinoneofthemostremotepartsoftheworld.TheTibetanPlateauisthelargesthigh-altitudelandmassonearth,withmorethan45,000glaciersthatfeedthemajorriversystemsinAsia,which,inturn,support40percentoftheworld’spopulation.Temperaturesintheregionarerisingtwiceasfastastheglobalaverage,posingseriousriskstohydrologicalsystems,agriculture,andcriticalinfrastructure.Lookingatregionalcooperationthroughthelensofecologicalsecurityraisesimportantquestionsabouttheextenttowhichthethreatoflarge-scaleclimate-relateddisastercouldtriggernewformsofcooperativeaction.Thesoberingrealityisthatcurrentresponsesfallfarshortofensuringamutuallysecurefuture.

  • 标签: 全球气候变化 生态安全 三极 世界人口 区域合作 青藏高原
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  • 简介:ManytheorieshavebeenputforwardtoexplainthecivilunrestthateruptedacrosstheMiddleEastandNorthAfricaatthebeginningofthisyear.TheauthorofthispaperbelievesthatseenfromanhistoricalperspectivetheunrestwasanattemptbytheArabworldtostageathirdrevival.

  • 标签: 英文摘要 内容介绍 编辑工作 期刊
  • 简介:ThestatusoftheThirdWorldinRussianforeignpolicyplummetedintheimmediatepost-Sovietyears,duringwhichMoscowpursueda"LookWest"policy.WhenthedesignoftheWesttocontainandweakenthecountrycametolighthowever,vigilanceheightenedinMoscowandtimelyforeignpolicyreadjustmentswereunderwaybyraisingtheweightoftheThirdWorld.Russiaintendstousetheresultingboostedtiesasaproptoitspursuitofanequalpartnershipwiththe

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  • 简介:SincetheendoftheColdWar,somenewfeatureshavebeenrevealedintheThirdWorld,which,referringtodevelopingnationsfordecades,especiallyintheColdWaryears,facessomeproblemsandchallengesunderheavyeconomicandpoliticalimpact.China,asabiggestmemberoftheThirdWorld,alsofacesnewenvironmentsandchallengesduringthe

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  • 简介:Sincetheendof2010,theArabworldhasbeencaughtinadramatictimeofprotest,bloodshedandregimechange.TunisiaandEgyptexperiencedregimechange;Libya,Yemen,andSyriaarefacingapoliticalsituationofincessantcrises;andtheroyalfamilyofBahrainhadtoresorttoexternalforcestoquellits

  • 标签: 阿拉伯 世界 搜索 社会改革 中东地区 政权
  • 简介:<正>AccordingtothelatestIDCdata,China’sICT(informationtechnol-ogyandcommunications)marketin2014willreachUS$396.7billion,anincreaseof11.1%YoY,withtheITmarketreachingUS$204.8billion,up14.2%YoY,andthetelecommunicationservicesmarketsize

  • 标签: DRIVER CLOUD TELECOM DEPLOYMENT REACHING innovativ
  • 简介:Thirdpartylitigationfunding(TPLF)isoneofthemostinnovativetrendsinlitigationfundingindustry.InaTPLFcontract,anexternalinvestor(thethirdpartyfunder)financiallysupportsalitiganttocoverlitigationexpenses.Iftheclaimisfinallysuccessful,ashareofrecoverieswillcometothefunderinreturn.Ontheotherhand,thethirdpartyfunderwillreceivenocompensationiftheplaintifflosesthesuit.Uptillnow,insomecommonlawjurisdictions(e.g.,Australia,theUK,andtheU.S.),TPLFhasbeenlegallyacceptedanddevelopsrapidly.Meanwhile,concernsabouttheuseofTPLFhavealsobeenraised.Forexample,whetherTPLFwillencouragefrivoloussuitsandunmeritoriousclaims;andwhethertheuseofTPLFwillbesociallydesirable.Inthisarticle,abasiceconomicmodelofTPLFwillbebuiltfirstly.Then,analysisbasedonthismodelwillbedeliveredandfurthersocialexternalitiesbroughtbytheuseofTPLFwillalsobeinvestigated.Finally,throughaneconomicanalysis,itisconcludedthatTPLFisgenerallysocialdesirablebutregulationsshouldbeimposed.

  • 标签: THIRD party LITIGATION FUNDING economic model
  • 简介:Thisworkinvestigatestheflowofathirdgradefluidinarotatingframeofreference.Thefluidisincompressibleandmagnetohydrodynamic(MHD).Theflowisboundedbetweentwoporousplates,thelowerofwhichisshrinkinglinearly.Mathematicalmodellingoftheconsideredflowleadstoanonlinearproblem.Thesolutionofthisnonlinearproblemiscomputedbythehomotopyanalysismethod(HAM).Graphsarepresentedtodemonstratetheeffectofseveralemergingparameters,whichclearlydescribetheflowcharacteristics.

  • 标签: 力学 流体力学 管道流体力学 研究
  • 简介:Inthispaper,amodifiednonlineardynamicinequalityontimescalesisusedtostudytheboundednessofaclassofnonlinearthird-orderdynamicequationsontimescales.Thesetheoremscontainasspecialcasesresultsfordynamicdifferentialequations,differenceequationsandq-differenceequations.

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