简介：Coastlinesareundergoingconstantgeomorphologicchangeswithrespecttotheincidentwaveclimate.Basedonwavesmeasuredat9mwaterdepth,simulationofnearshorewavetransformationisdoneusingREFDIF-1numericalmodelandthenearshorebreakerparametersareestimatedattwomicro-tidalbeachesalongcentralwestcoastofIndia.Modelresultsarevalidatedwithmeasuredvalues.Fromthebreakerparameters,long-shorecurrentandlong-shoresedimenttransportrates(LSTR)arecomputedbyusingsemi-empiricalequations.Estimatedlong-shorecurrentandLSTRareshowingdramaticvariationswithrespecttoseasons.PredominantdirectionofLSTRisobservedtowardsnorthsincetheapproachwavesarefromsouth-westdirectionduringpre-monsoonandpostmonsoon.Duringmonsoonseason,wavesarefromwestsouth-westandresultedinsoutherlytransport.TheestimatedannualnetandgrossLSTRbyCambridgeEnvironmentalResearchConsultants(CERC)attwolocationsareinthesameorderwhereasLSTRestimatedbyWalton&BrunoandKamphuisequationsareshowingdifferentestimationsbecauseofdifferenceinsurf-zonewidthandforeshoreslopebetweenthetwolocations.Formicro-tidalbeacheswithlengthlessthan6km,KamphuisequationisgivingagreeableestimationofLSTR.SensitivityanalysisofLSTRestimateshowsthatcoastalinclinationistheprominentfactorindeterminingLSTRthanincidentwaveangle.

简介：TheSaemangeumprojectincludeswell-developedtidalflats,twoestuariesoftheMankyeongandDongjinrivers,andachainofsmalliskandsintheouterareaoffthedikebyreclaimingasurfaceareaof40100ha.Alongseadikeof30kmhasbeenconstructedinthemid-westareaofKorea.ThispaperdescribestheconstructionoftidaldikesfocusingonthefinalclosureoperationperformedinApril,2006employingintermediatetechnology.Predictivemodellingwasalsocarriedouttopredictthereal-timeflowfieldsduringthegradualclosureoperationofthefinalstage.

简介：Asthepresentcenturydrawstoaclose,theyear1994isexpectedtowitnessanewroundoftidalwavesweepingtheworldintheformofin-depthpolicyad-justmentsandreformsinavarietyofnations,allwiththeirownfuturestatusintheforthcomingcenturyinmind.Thecatchwordinthenewyearwillbeinternationaldiversityintunewiththeglobaltransitiontomultipolarity.Thefocusislikelytobeonthereformofandcompetitionamongdifferentsocialsystemsanddivergenteco-

简介：Researchoftidaltriggeringofearthquakesinrecentyearsissystematicallyreviewed,focusingontherelationshipbetweenthephasesofthemoonandseismicactivity,earthquakestriggeredbytidalforcesanditscomponents,basedonthelargesamplestatisticstodiscussthetidaltriggeringofanearthquake.Therelationshipbetweenthephaseofthemoonandseismicactivityisapreliminarystudyoftidaltriggeringofearthquakes,andthemodulationratioisaquantitativedescriptionofit.Usingtheresolutionoftidalstresstostudyseismicactivityisawaytorevealtherelationshipbetweenthetidesandearthquakesfromthemechanicspointofview.Largesamplestatisticsisanotherwaytostudytherelationshipbetweenthetidalandearthquakefromtheviewofstatistics.Inmanystatisticalmethods,Schuster'stestisusedmorewidely,whichtakesmanyfactorsintoaccount,suchasfocalmechanism,tidalstress,andstatisticalteststoquantitativelyanalyzethetidaltriggeringeffectonearthquakes.

简介：ＦｒｅｑｕｅｎｃｙｒｅｓｐｏｎｓｅｏｆｔｉｌｔｍｅｔｅｒｓａｎｄｔｉｄａｌｆａｃｔｏｒＪＵＮＹＡＮＧ（杨军）ＳｅｉｓｍｏｌｏｇｉｃａｌＢｕｒｅａｕｏｆＪｉａｎｇｓｕＰｒｏｖｉｎｃｅ，Ｎａｎｊｉｎｇ２１００１４．ＣｈｉｎａＡｂｓｔｒａｃｔＴｈｅｒｅｌａ...

简介：TherelationshipbetweenP(springtidalprism)andA(throatareabelowmeansealevel)isstatisticallyanalysedintermsof29tidalinletsorbaysalongtheHuanghaiSea(YellowSea)andBohaiSeacoasts.For15ofthesetidalinlets,thebestregressionequationisA(km2)=0.845/>(km3)1.20.TheanalysisshowsthatCandnarelittledifferentfromthoseintheP-ArelationshipfortheinletsoftheSouthChinaSeaandEastChinaSeacoasts.ItisnotedthattherelationshipbetweenPandAisunstablebecauseofthedifferenceinsedimentabundance.ThestudyshowsthataunitedP-Arelationshipcanbeobtainedforthetidalinletsoflagoontypeandbay-drowned-valleytype,notcontainingsomehalf-circleshapebayswhichconfrontdeepwater.Thesehalf-circlebaysdonotbelongtotidalinletsbecausetheydonothaveenoughsedimentabundanceandarefairlyopen.

简介：Theharmonicanalysismethodbasedonhighandlowwaterlevelsisdiscussedinthispaper.Inordertomakefulluseoftheinformationofhighandlowwaterobservations(thetimederivativeofwaterlevelattheobservationtimeiszero),theweightcoefficient,w,isintroducedtocontroltheimportanceofthepartrelatedtothisinformationintheerrorformula.Themajordiurnalconstituents,O1andK1,andsemi-diurnalconstituents,N2,M2andS2areselecteddirectlyfromthemonthlydataanalysis,andsomeotherimportantconstituents,P1,v2andK2,areincludedastheinferredconstituents.Theobtainedharmonicconstantsofthemajorconstituentsareveryclosetothoseobtainedfromtheanalysisofhourlydata,andthisshowsthathighandlowwaterdatacanbeusedtoextracttidalconstantswithhighaccuracy.Theanalysisresultalsoshowsthattheinferenceandtheweightingcoefficientareimportantinthehighandlowwaterdataanalysis,anditissuggestedthatw≥1shouldbetakeninmonthlyhighandlowwaterdataanalysis.Thisanalysismethodcanbeuseddirectlytoanalyzealtimetricdatawithw=0.

简介：TheresultsobtainedusingthegroupmodelofearthquakesgeneratedintectonicblocksarefurtherusedinthispapertoanalyzetherelationshipbetweentheMs≥7.0eventsinChinesemainlandandthemodulationandtriggeringfromtheearthtides.TheresearchshowsthattheMs7.0eventsinChinesemainlandhavebeensignificantlytriggeredbythetidalstress,especiallywithintheactiveperiodwithgroupstrongearthquakes.Inthequiescenceperiodofstrongearthquakes,noMs7.0eventsweretriggered,whilewithintheactiveperiod,over82.4%ofstrongearthquakestookplacewithinaspecialmoonphase,whichis36.4%higherthantheaverage.Therefore,themodulationandtriggeringoftidalstresscanbeusedtodistinguishtheactiveperiodsandtoforecastthetimeofthestrongearthquakeswithintheactiveperiod.Therelationshipbetweenthetidaltriggeringandthetectonicdynamicconditionisinvestigatedandthemechanismofthemodulationissimulatedwiththegroupmodelofearthquakesgeneratedintectonicblocks.

简介：Offshoredrillingandproductionoperationscanresultinspillsorleaksofhydrocarbonsintoseabedsediments,whichcanpotentiallycontaminatethesesedimentswithoil.Ifthisoillatermigratestothewatersurfaceithasthepotentialfornegativeenvironmentalimpacts.Forpropercontingencyplanningandtoavoidlargerconsequencesintheenvironment,itisessentialtounderstandmechanismsandratesforhydrocarbonmigrationfromoilcontainingsedimentstothewatersurfaceaswellashowmuchwillremaintrappedinthesediments.Itisbelievedthattheamountofoiltransportedoutofthesedimentcanbeaffectedbytidalpumping,acommonformofsubterraneangroundwaterdischarge(SGD).However,wecouldfindnostudyexperimentallyinvestigatingthephenomenonoffluidflowinsubseasedimentscontainingoilandtheeffectsoftidalpumping.Thisstudypresentsanexperimentalinvestigationoftidalpumpingtodetermineifitisapossiblemechanismthatmaycontributetotheappearanceofanoilsheenontheoceansurfaceaboveasedimentbedcontainingoil.AnexperimentalapparatuswasconstructedofclearPVCpipeallowingforoilmigrationtobemonitoredasitflowedoutofasandpackcontainingoil,whiletidalpressureoscillationswereappliedinthreedifferentmanners.Theeffectoftidalpumpingwassimulatedviacompressionofairabovethewater(whichsimulatedtheincreasingstaticheadfromtidalexchange).Experimentalresultsshowthatsustainedoilreleaseoccurredfromalltests,andtestswithoscillatingpressureproducedforlongerperiodsoftime.Furthermore,theexperimentalresultsshowedthattheoilmigrationratewasaffectedbygrainsize,oilsaturation,andoscillationwavetype.Inalloscillatingexperimentstherateandultimaterecoverywaslessthanthecomparablestaticexperiments.Fortheconditionsstudied,theexperimentalresultsindicatethatwithanoscillatingpressureontopofasandpack,movementofanon-replenishingsourceofoilissuppressed

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简介：Basedonthegivenreactionconditionandmedium,thegrowthofmicro-andnanocrystalscanbedividedintofourtypes,growthinsolutionatnormalpressure,hydrothermalgrowth,solvothermalgrowth,andmolten-saltgrowth.Whenthewaterororganicsolventasthereactionmedium,surfactant,suchassodiumdodecylbenzenesulfonate,canbeaddedtoregulatethe

简介：ThePhilippinedepartmentofEnergy(DOE)hassignedamemorandumofagreementwiththeJapanesegovernmentforaP33.SM(US$0.67M)demonstrationproject.The65kWmicrohydropowersystemwillbenefitabout200householdsinLeyte.

简介：-Acombinednumericalmodelforcomputingmixingareasofpollutionverticaljetdischargingintotidalflowshasbeendeveloped.Thisnumericalmodeliscomposedofa2-Ddepth-averageddynamicfar-fieldnumericalmodelanda2-Dverticaldynamicnear-fieldnumericalmodel.Theformerusesfinitenodemethodtocomputevelocity,andimprovedfinitenodemethodtocomputepollutantconcentrationdistribution;thelatterisak-eturbulencemodel,andusesSIMPLE(Semi-ImplicitMethodforPressureLinkedEquations)methodtocomputevelocity.Atthesametime,theformerprovidesboundaryconditionsforthelatter.Thismodelcansimulatebothfar-fieldpollutantconcentrationdistributionandnear-fieldverticalrecirculationquicklyandprecisely.ThismodelhasbeenverifiedbymeasureddataofpollutantFoftheDachangreachoftheChangjingRiverandtestdatapresentedbyChenelal.(1992).Onthebasisofverification,theauthorsuseadesignedhydrographtocomputethismixingareaforacer

简介：Thetidalasymmetry-inducedsiltationbelowtidalbarriersisaworldwideproblemthatrestrictsregionalsocio-economicandenvironmentaldevelopment.Thehydrodynamicprocessesofthesmallmudestuaryalsofeatureahighuncertaintyafterestuaryrestorationmeasures.Inthisstudy,ahydrodynamicmodelbasedontheMIKE21isusedtoquantifytheresponsesoftidalasymmetrytoatwo-phaserestorationprojectinShuanglongEstuary,BohaiBay,China.Accordingtothenumericalmodelingresults,thetidalflatremovalintheupperestuary(first-phaserestoration)inducesthefloodasymmetryswitchingtotheebbasymmetryinunrestoredreachbutenhancesfloodasymmetryinwideningrestoredreach.Althoughthetidalasymmetryrevertstoflood-dominatedpatternafterfullrestorationovertheestuary,theimbalancebetweenfloodandebbvelocitiesisrelieved.Apossiblenetsedimenttransportpatternbasedonacomparisonofdominantasymmetriccurrentandactualsedimenttransportperiodshowsnetsedimentsintheupperestuaryandinlettransportseawardandlandward,respectively,inthefirst-phaserestoration,whereaslandwardnetsedimenttransportoccursinthewholeestuaryunderthesecond-phaserestorationscenario.Giventheseresults,weassumethataswitchfromtheflood-dominatedestuarytoebb-dominatedestuarycanbecausedbyredesigningthecross-sectionalprofile.ThequantitativecomparisonofLagrangianresidualcurrentsalsoimpliesthatachannel–shoalstructureratherthanaflatbathymetrycanpromotethemasstransport.Therefore,reshapingthechannel–tidalflatsysteminrestorationprojectscanpreventthesedimentationoftheestuaryandimprovethewaterenvironment.

简介：在这研究，垂直的轴有灵活的片的潮汐的汽轮机被调查。焦点在在汽轮机网络输出力量上分析灵活机翼类型和片灵活性的效果上。到这个目的，五个不同灵活机翼(对称、非对称)被采用。结果证明一个厚灵活对称的机翼罐头的使用有效地与那相比增加产量力量与常规僵硬的片可完成。而且，与不太灵活或僵硬的片对比，高度灵活的片的使用没被推荐。

简介：除了逛街、吃饭、看电影,小情侣约会还有什么好玩意呢?micro一下吧!iQuemicro全名为"iQueGAMEBOYmicro",是任天堂GAMEBOYmicro主机的中国版,它采用轻薄短小的金属机身、高精细度的2英寸背光液晶屏及可更换的面板设计。

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简介：AIM:ToscreenmicroRNAs（miRNAs）andsetuptargetmiRNAsinpterygium.METHODS:PrimaryfibroblastswereisolatedfrompterygiumandTenon’scapsuleandcultured.ImmunocytochemicalanalysisandWesternblottingwereperformedtoconfirmthecultureoffibroblasts.Inall,1733miRNAswerescreenedinthefirststepbyusingGeneChip?miRNA3.0Array.SpecificmiRNAsinvolvedinthepathogenesisofpterygiumweresubsequentlydeterminedusingthefollowingcriteria:1)highreproducibilityinarepetitivetest;2)baselogvalueof>7.0forbothcontrolandpterygialfibroblasts;and3)logratioof>1.0betweenpterygialfibroblastsandcontrolfibroblasts.RESULTS:Primaryscreeningshowedthat887/1733miRNAswereup-regulatedand846/1733miRNAsweredown-regulatedinpterygialfibroblastscomparedwiththoseincontrolfibroblasts.Ofthe1733miRNAsscreened,4miRNAs,namely,miRNA-143a-3p,miRNA-181a-2-3p,miRNA-377-5pandmiRNA-411a-5p,mettheabove-mentionedcriteria.Primaryscreeningshowedthatthese4miRNAswereup-regulatedinpterygialfibroblastscomparedwithcontrolfibroblastsandthatmiRNA-143a-3phadthehighestmeanratiocomparedwiththemiRNAsincontrolfibroblasts.CONCLUSION:miRNA-143a-3p,miRNA-181a-2-3p,miRNA-377-5pandmiRNA-411a-5pareup-regulatedinpterygialfibroblastscomparedwithcontrolfibroblasts,suggestingtheirinvolvementinthepathogenesisofpterygium.

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