简介：streamwise有对称的旋涡在第一个不稳定性范围流的圆形的柱体的导致流动的颤动被调查，并且为动态反应预言的一个wake振荡器模型被建议。一条途径被使用在现在的模型校准实验参数；数字、试验性的结果与相比验证建议模型。现在的预言模型精确、足够地简单容易在实践被使用，这能被发现。

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简介：这篇论文描述在完整的波浪实验观察的三现象：1。振幅(绝对值)第一有压缩性并且砍到达有一样的变化规则；2。阶段第一有压缩性并且砍到达对对方总是相反；并且3。振幅变化时期第一有压缩性并且砍到达是2π。完整的分析和解释指出这些现象应该在记载状况的完整的波浪下面出现。因此，使用阶段差别从完整的波浪提取有用信息的基础被发现。

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简介：鉴于高精确性和可预测性，高分辨率的顺序地层学广泛地被使用了给探索上油并且得到突出的适用的结果。这篇文章拿第一层，上面的秒submember，Shahejie()从Pucheng的形成()是的油矿根据核心日志数据的全面研究在水库学习分析高分辨率的顺序地层学的应用程序的一个例子。第一，这个区域的外形分析揭示沉积沉重的溪流在尺寸减少并且由于蒸发和传播损失消失的发生的相应终端扇子系统。模型包括终端扇子的分成三部分的带状配列进feeder，支流，和basinal地区。第二，electrofacies被记载得好的分析做然后匹配，沉积外形由核心分析定义。在目标区域以内描绘主要沉积外形协会和depositional环境的四electrofacies被定义(隧道，落后沉积物，湖或泛滥平原，和溢出扔)。第三，相关关联基于高分辨率的顺序地层学被建立。由观察基因序列的叠的安排，stratigraphic周期的不同规模能被识别。在规模和持续时间以内，stratigraphic周期作为基因序列，基因顺序集合，和次要的周期被称为。

简介：ＴｈｅＦｉｒｓｔＣｏｎｆｅｒｅｎｃｅｏｆｔｈｅ４ｔｈＳｅｓｓｉｏｎｏｆｔｈｅＳｐｅｃｉａｌＣｏｍｍｉｔｔｅｅｏｎＳｅｉｓｍｏｌｏｇｙ，ＳＳＣｈｅｌｄｉｎＣｈｅｎｇｄｕ￥／／Ｔｈｅ４ｔｈＳｅｓｓｉｏｎｏｆｔｈｅＣｏｍｍｉｔｔｅｅｏｎＳｅｉｓｍｏｌｏｇｙ...

简介：ＴｈｅｆｏｕｎｄｉｎｇｏｆｔｈｅＳｐｅｃｉａｌＣｏｍｍｉｔｔｅｅｏｆＳｅｉｓｍｏｌｏｇｉｃａｌＦｌｕｉｄｓ，ＳＳＣａｎｄｔｈｅＦｉｒｓｔＡｃａｄｅｍｉｃＥｘｃｈａｎｇｅＣｏｎｆｅｒｅｎｃｅｈｅｌｄｉｎＧｕｉｙａｎｇＴｈｅＳｐｅｃｉａｌＣｏｍｍｉｔｔｅ...

简介：Basedonthecasestudiesandstatisticalanalysisofearthquake-relatedionosphericdisturbancesmainlyfromDEMETERsatellite,ground-basedGPSandionosoundingdata,thispapersummarizesthestatisticalcharacteristicsofearthquake-relatedionosphericdisturbances,includingelectromagneticemissions,plasmaperturbationsandvariationofenergeticparticleflux.AccordingtothemainresultsdonebyChinesescientists,fusingwiththeexistedstudyfromglobalresearches,seismo-ionosphericdisturbancesusuallyoccurredafewdaysorhoursbeforeearthquakeoccurrence.Parallelingtothesecasestudies,lithosphere-atmosphere-ionosphere(LAI)couplingmechanismsarecheckedandoptimized.Athermo-electricmodelwasproposedtoexplaintheseismo-electromagneticeffectsbeforeearthquakes.Apropagationmodelwasputforwardtoexplaintheelectromagneticwavesintotheionosphere.Accordingtotherequirementofearthquakepredictionresearch,Chinaseismo-electromagneticsatellite,thefirstspace-basedplatformofChineseearthquakestereoscopicobservationsystem,isproposedandplannedtolaunchatabouttheendof2014.ItfocusesoncheckingtheLAImodelanddistinguishingearthquake-relatedionosphericdisturbance.ThepreliminarydesignforthesatellitewilladoptCAST-2000platformwitheightpayloadsonboard.Itisbelievedthatthesatellitewillworktogetherwiththegroundmonitoringnetworktoimprovethecapabilitytocaptureseismo-electromagneticinformation,whichisbeneficialforearthquakemonitoringandpredictionresearches.

简介：MeteoroidsenteringtheEarth'satmospherecancreatemeteortrailirregularityseriouslydisturbingthebackgroundionosphere.AlthoughnumerousobservationsofmeteortrailirregularitieswereperformedwithVHF/UHFcoherentscatterradarsinthepast,nosimultaneousradarandopticalinstrumentswereemployedtoinvestigatethecharacteristicsofmeteortrailirregularityanditscorrespondingmeteoroid.ByinstallingmultiplevideocamerasneartheSanyaVHFradarsite,anobservationalcampaignwasconductedduringtheperiodfromNovember2016toFebruary2017.Atotalof242opticalmeteorswithsimultaneousnon-specularechoesbackscatteredfromtheplasmairregularitiesgeneratedinthecorrespondingmeteortrailswereidentified.Agoodagreementbetweentheangularpositionsofnon-specularechoesderivedfromtheSanyaradarinterferometerandthoseofopticalmeteorswasfound,validatingthattheradarsystemphaseoffsetshavebeenproperlycalibrated.TheresultsalsoverifytheinterferometrycapabilityofSanyaradarformeteortrailirregularityobservation.Thenon-specularechoeswithsimultaneousopticalmeteorsweredetectedatmagneticaspectanglesgreaterthan~78°.Basedonthemeteorvisualmagnitudeestimatedfromtheopticaldata,itwasfoundthattheradarnonspecularechoescorrespondingtobrightermeteorssurvivedforlongerduration.Thiscouldprovideobservationalevidenceforthesignificanceofmeteoroidmassonthedurationofmeteortrailirregularity.Ontheotherhand,thesimultaneousradarandvideocommon-volumeobservationsshowedthatthereweresomecaseswithopticalmeteorsbutwithoutradarnon-specularechoes.Onepossibilitycouldbethatsomeoftheopticalmeteorsappearedatextremelylowaltitudeswheremeteortrailirregularitiesrarelyoccur.

简介：由使用二维的风地异例和蒙特卡罗模拟实验计划的显著性检验，意义在关系风地异例展示reinvestigated洪水/干旱在期间每年在华南的第一雨季。结果证明在LakeBaikal和中央印度洋的东北上的那西方的和平的副热带的高度和风异例是重要因素。在在1月的北印度和在三月的西北太平洋上的风异例可以是强壮的预言信号。学习也证明在华南的降雨与在三月在北太平洋上提起的重力势高度有一种靠近的关系。

简介：LateMiddleTriassictoearlyLateTriassicinsectsfromArgentinahavebeenpreviouslydescribedfromtheBermejoandCuyanaBasinswheretheyhavebeenrecoveredfromtheIschichuca-LosRastrosandPotrerillos-CacheutaFormations,respectively.Theinsectfaunadiscussedhereinwascollectedduringfieldstudiesin1986/1987fromtheLlantenessection(NoriantoRhaetian?LateTriassic),whichissituatedintheMalargueBasininsouthernMendozaprovince.TheinsectremainswerefoundintheupperpartoftheLlantenessection(LlantenesFormation),whichisbuiltupoftwocoarsening-upwardscyclesreflectingadeltaicprogradationofafluvialintoalacustrineenvironment(lowerpart),succeededbyrepeatedprogradationsintoafloodplain-dominatedenvironment(upperpart;withfindsofinsects,conchostracans,fishremains,plantfragments,anddriftedlogs).ThenewfindsrepresenttheyoungestTriassicinsectrecordsdescribedfromArgentinaandevenfromSouthAmericainitsentirety.ThereisonlyonecontemporaneousfossilassemblageinGondwana:intheClarence/MoretonBasin(AberdareConglomerate;LateNorian)inAustralia.ThenewTriassicinsectsincludeanimpressionofanisolatedMecopterida-likewing(Mendozachoristavolkheimerigen.etsp.nov.;Mendozachoristidaefam.nov.),coleopteranelytraofthePermosynidae(Ademosynerosenfeldisp.nov.andAdemosynellantenesensissp.nov.)andotherisolatedbodyfragments.ThisnewLateTriassicentomofaunafromArgentinaisofconsiderableimportanceinthereconstructionofthebioticrecoveryofcontinentalenvironmentsinGondwanaafterthecatastrophicmassextinctionattheP/Tboundary.

简介：InMayandJulyof2017,ChinaGeologicalSurvey(CGS),andGuangzhouMarineGeologicalSurvey(GMGS)carriedoutaproductiontestofgashydrateintheShenhuareaoftheSouthChinaSeaandacquiredabreakthroughoftwomonthscontinuousgasproductionandnearly3.1×10^5m^3ofproduction.ThegashydratereservoirintheShenhuareaofChina,ismainlycomposedoffine-grainedclaysiltwithlowpermeability,andverydifficultforexploitation,whichisverydifferentfromthosediscoveredintheUSA,andCanada(bothareconglomerate),Japan(generally,coarsesand)andIndia(fracture-filledgashydrate).Basedon3Dseismicdatapreserved-amplitudeprocessingandfineimaging,combinedwithlogging-while-drilling(LWD)andcoreanalysisdata,thispaperdiscussestheidentificationandreservoircharacterizationofgashydrateorebodiesintheShenhuproductiontestarea.Wealsodescribethedistributioncharacteristicsofthegashydratedepositsandprovidedreliabledatasupportfortheoptimizationoftheproductionwelllocation.ThroughBSRfeaturerecognition,seismicattributeanalysis,modelbasedseismicinversionandgashydratereservoircharacterization,thispaperdescribestworelativelyindependentgashydrateorebodiesintheShenhuarea,whicharedistributedinthenorth-southstripandtendtobethickerinthemiddleandthinnerattheedge.Theeffectivethicknessofoneorebodyisbiggerbutthedistributionareaisrelativelysmall.ThemodelcalculationresultsshowthatthedistributionareaofthegashydrateorebodycontrolledbyW18/W19isabout11.24km^2,withanaveragethicknessof19mandamaximumthicknessof39m,andthedistributionareaofthegashydrateorebodycontrolledbyW11/W17isabout6.42km^2,withanaveragethicknessof26mandamaximumthicknessof90m.

简介：Appropriatepathogenicbacteriawereisolatedfromdiseased(ordead)flounder(ParalichthysolivaceusL)occurringinamariculturefarmsofQinhuangdao,whichalldiseasedfishesexpressedbacterialseptieaemia.Thephenotypicinformationofthe12purecultureswasstudiedextensively,includingmorphologicalcharacteristics,colonycharacteristicsindifferentmedia,physiologicalandbiochemicalcharacteristics,andthemolefractionG+CratiooftheDNAforrepresentativestrain.TheresultsshowthattheisolatesbelongtoanewspeciesofVibrio,andaredesignatedasVibrioqinhuangdaorasp.nov.bytheareafromwhichthediseasedfloundersarecollected(Qinhuangdao)basedonitsbiologicalpropertiesfollowingRulesofInternationalCodeofNomenclatureofBacteria.Atthesametime,studiesontheserumhomologyofisolates,andpathogenicityofisolateswereconductedbyexperimentalinfection.Theresultsshowthatalltheisolatesareofserologicsimilarity,andtheisolateshavestrongpathogenicitytoflounder.ThestudiescanextensivelyreflectthemainbiologicalpropertiesofthisnewspeciesofVibrio.

简介：一个全球海洋碳周期模型基于海洋将军发行量模型流行音乐和改进biogeochemical模型，OCMIP-2被采用在历史上观察的大气的CO2集中和不同未来情形(叫的代表性的集中小径，或RCP)下面模仿碳周期过程。在这份报纸的RCP为第五份评价报告(AR5)在气候变化(IPCC)上跟随Intergovernmental面板的设计。模型结果证明海洋从空气吸收CO2，被吸收将在四RCP下面在第21世纪继续。由空至海的CO2流动在历史的时间期间增加了并且到达的网1.87Pg/a(由碳计算了)在2005；然而，它将在第21世纪到达山峰然后减少。海洋主要专心于CO2中间的纬度，并且在赤道区域释放CO2。然而，在南极围绕天极的水流(ACC)区域，海洋将在升起的CO2集中下面从来源改变到水池，包括RCP4.5，RCP6.0，和RCP8.5。在2100，人为的碳将被搬运到40摥漠敶?桴?湥楴敲礠慥?獩爠畯桧祬?呼??湡?桴?潲敬漠???獩琠敨猠慭汬獥t

简介：Thetyphoon,asamaturetropicalcyclonethatdevelopsinthewesternpartoftheNorthPacificOceanwithhighwindspeedandheavyrainfall,isoneofthemostlethalandcostlyofnaturaldisastersforthedenselypopulatedcountriesofEastAsia.Itcanbeeasilydetectedbyspace-bornesensorsoperatedatmicrowave,visibleorinfraredbands(Liuetal.,2014).SyntheticApertureRadar(SAR)is

简介：ThePbconcentrationsofatmosphericaerosolintheChukchiSeaoftheArcticvarywithintherangeof0.167-0.962ng/m3,withanaverageof0.532ng/m3.Theseconcentra-tionvaluesare200timeshigherthanthenaturalbackgroundvaluesofsnowsamplesthere.Cal-culationofthePbenrichmentfactorofaerosolindicatesthattheocean-andcontinent-sourceleadaccountfor9.23%and0.01%,respectively,butindustriallyreleasedPbaccountsformorethan90%oftheatmosphericPb.ThePbisotopiccompositionofaerosolhasrevealedthatthesourcesofleadfromindustrialleadthatcausespollutionincludemainlythewesternpartofNorthAmerica,EastEuropeandtheformerSovietUnion.ThecalculationofthetotalfalloutfluxofPbindicatesthatthemeanvalueofinputfluxintotheChukchiSeais0.02mgm-2a-1,equivalenttothatofsouthernPacificbutslightlylowerthanthatofnorthernIndianSeaandsouthernAtlantic.ItisevidencedthatthePbinputfluxintotheChukchiSeaisfarlowerthanthatofftheBalticSea,theNorthSeaandtheMediterraneanSea.

简介：AltynTagh差错是西藏的高原的北边界。作为在世界上的最著名的罢工滑倒差错之一，构造变丑上并且晚的大成就第四级滑倒率被造成了。然而，有AltynTagh差错是否延续到Jinta盆的长持续的争论或甚至东方。在这份报纸，我们使用卫星图象解释，领域调查，沟挖掘，和标明日期到最新在JintaNan掸人的东方结束发现NS惹人注目的陡坡的学习的光刺激的光。结果如下：第一，一组正常差错在Heihe河的平台T2上发展，全部的长度数量到40km，全部的陡坡高度是30畣慬楴杮琠敨映畡瑬猠楬獰猠潨獷氠湯?整浲愠瑣癩瑩敩?景映畡瑬?耶喩鼡?桴?慢楳?愠摮猠浯?潢湵慤祲映畡瑬?敫瑰愠瑣癩?晡整??‵吗？

简介：85-stationdailyprecipitationdatafrom1961-2010providedbytheNationalMeteorologicalInformationCenterandtheNCEP/NCAR2010dailyreanalysisdataareusedtoinvestigatethelow-frequencyvariabilityontheprecipitationofthefirstrainseasonanditsrelationshipswithmoisturetransportinSouthChina,andchannelsoflow-frequencywatervaportransportandsourcesoflow-frequencyprecipitationarerevealed.Theannuallyfirstrainingseasonprecipitationin2010ismainlycontrolledby10-20dand30-60doscillation.Therainfallismore(interrupted)whenthetwolow-frequencycomponentsareinthesamepeak(valley)phase,andtherainfallislesswhentheyaresuperposedintheinversephase.The10-20dlow-frequencycomponentofthemoisturetransportismoreactivethanthe30-60d.The10-20dwatervaporsourceslieintheSouthIndiaOceannear30°S,theareabetweenSumatraandKalimantanIsland(thesouthwestsource),andtheequatorialmiddlePacificregion(thesoutheastsource),andtherearecorrespondingsouthwestandsoutheastmoisturetransportchannels.Byusingthecharacteristicsof10-20dwatervaportransportanomalouscirculation,thecorrespondinglow-frequencyprecipitationcanbepredicted6dahead.

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