简介:AnintegratedinvestigationwascarriedoutduringlateApriltolateMayof2014inthecoastalareaofSouthJiangsuProvincetounderstandtheearlydevelopmentofgreentideintheYellowSeaanddiscoverthetemporalandspatialdistributionofgreenalgalmicro-propagulesandmacroalgaeattheearlystageofgreentide.Theresultsshowedthatgreenalgalmicro-propagulesdistributedinallstationsfromlateApriltolateMay,andmicro-propagulesofhighdensity(>300ind.L?1)concentratedintheadjacentPorphyraaquaculturearea.Floatingmacroalgaewereinitiallyobservedinthenorthernsurveyareas,andincreasedgradually.ThedominantspecieswasU.proliferainthefloatingmacroalgae,rangingbetween90%and100%.Theseawatersurfacetemperatureandsalinityintheabovementionedtimeperiodweresuitableforthegrowthofmacroalgae.ThisworkcanhelpgovernmenttostrengthenmanagementtoreducethebloomsofmacroalgaeinthecoastalareaofSouthJiangsuProvinceandalsofacilitatethedecision-makingformanagersattheearlystageofgreentide.
简介:Atpresent,greenurbanizationprocessisintheinitialstateinChina.Intheprocessofdevelopment,howtopromoteurbandevelopmentandurbanizationwillhighlyintegrated.Andtheecologicalenvironmentprotectionandeconomicdevelopmentisanurgentproblemtobesolved.Basedontheguidanceofdeepecology,thispaperstudiesthedevelopmentprocessofgreenurbanization;andliteraturereviewmethodandexemplificationmethodareadopted.Firstly,theconceptofgreenurbanizationisdemonstrated.Secondly,combinedwiththecurrentsituationofgreenurbanizationinChina,guidedbyanalysisofdeepecology,thechallengeforthedevelopmentofurbanizationisanalysed.Finally,basedonthedeepecologyguidedbyrevelation,thegreenurbanizationpathisputforward.
简介:Inthecontextofthenewurbanization,thecharacteristictown,asanewhotspottodevelopingrapidlytoexploretheindustry,humanities,communityintegrationtownmodel,aurbanizationandhigh-techindustrydevelopmentbooster,bythegovernmentanddevelopersattention.Atthesametime,thegreendevelopmentmodelappliestothecharacteristictownofindustrialupgradingandtransformation,guidingthefuturecharacteristictownofgreeneconomicindustrydevelopmentdirection.Thispaperstudiesthegreendevelopmentmodelofthecharacteristictown,andputsforwardtheimplementationofthegreenindustrythroughthegreeningindustrystructure,promotinggreenconsumptionandoptimizingthegreenmanagement.
简介:Underthenewnormaleconomy,themanufacturingindustryisdevelopingrapidlyasthefocusofeconomicdevelopmentinJiangsu.Itsrapiddevelopmenthasbroughtgreatopportunitiestooursociety,butatthesametime,greatchallengeshasbeenbroughttothenaturalenvironment.Theresourceconsumptionandenvironmentalpollutionproblemshavebecomeincreasinglyprominent.Inthefaceofthissituation,wemusttryeverymeanstoreducepollutionandsaveenergy.Therefore,thetransitiontrendofmanufacturingindustryinthefutureisboundtotakethegreeneconomyasthebackground.Thus,thispaperanalyzesthedrawbacksofthemanufacturingindustryinJiangsuprovince.Andthestatusoftraditionalmanufacturingenterprisesandadvantagesofgreenmanufacturingareanalyzed.Then,thepaperproposedtoexplorethepracticeofgreenmanufacturingmodefortheecologicalprotection,soastoachievetheindustrialtransformationandupgradingofmanufacturingindustryinJiangsuprovince.
简介:前情回顾:林星还没从火锅店碰上乔杨和文芊夏的场景中回过神来,就发现一周不见的洛瑞行居然坐在自己家里主动'接见'她。原来洛瑞行还是看见了那条朋友圈,并承诺如果林星倦了这样的日子,自己就放她走。洛瑞行离开后,林星终于反应过来,刚才只是洛瑞行的试探,还好自己没有说不该说的话……我二十岁那年的圣诞节,学院举行了圣诞舞会。在暖气打得很足的礼堂里,我穿着一件白色的羊绒大衣,内搭浅粉
简介:TosolvethenumericaldivergenceproblemofthedirecttimedomainGreenfunctionmethodforthemotionsimulationoffloatingbodieswithlargeflare,atimedomainhybridRankine-Greenboundaryelementmethodisproposed.Inthisnumericalmethod,thefluiddomainisdecomposedbyanimaginarycontrolsurface,atwhichthecontinuousconditionshouldbesatisfied.ThentheRankineGreenfunctionisadoptedintheinnerdomain.ThetransientfreesurfaceGreenfunctionisappliedintheouterdomain,whichisusedtofindtherelationshipbetweenthevelocitypotentialanditsnormalderivativefortheinnerdomain.Besides,thevelocitypotentialatthemeanfreesurfacebetweenbodysurfaceandcontrolsurfaceisdirectlysolvedbytheintegrationscheme.Thewaveexcitingforceiscomputedthroughtheconvolutionintegrationwithwaveelevation,byintroducingtheimpulseresponsefunction.Additionally,thenonlinearFroude-Krylovforceandhydrostaticforce,whichiscomputedundertheinstantaneousincidentwavefreesurface,aretakenintoaccountbythedirectpressureintegrationscheme.Thecorrespondingnumericalcomputercodeisdevelopedandfirstusedtocomputethehydrodynamiccoefficientsofthehemisphere,aswellasthetimehistoryofashipwithlargeflare;goodagreementisobtainedwiththeanalyticalsolutionsaswellastheavailablenumericalresults.ThenthehydrodynamicpropertiesofaFPSOarestudied.Thehydrodynamiccoefficientsagreewellwiththeresultscomputedbythefrequencymethod;theinfluenceofthetimeintervalandthetruncatedtimeisinvestigatedindetail.
简介:Becausemostpiezoelectricdeviceshaveinterfaceswithfluidinengineering,itisvaluabletostudythecoupledfieldbetweenfluidandpiezoelectricmedia.Asthefundamentalproblem,the3DGreen'sfunctionsforpointforcesandpointchargeloadedinthefluidandpiezoelectricbimaterialsarestudiedinthispaper.Basedonthe3Dgeneralsolutionsexpressedbyharmonicfunctions,weconstructedthesuitableharmonicfunctionswithundeterminedconstantsatfirst.Then,thecouplefieldinthefluidandpiezoelectricbimaterialscanbederivedbysubstitutionofharmonicfunctionsintogeneralsolutions.Theseconstantscanbeobtainedbyvirtueofthecompatibility,boundary,andequilibriumconditions.Atlast,thecharacteristicsoftheelectromechanicalcoupledfieldsareshownbynumericalresults.