简介:摘要:建模是船舶生产设计的开始,也是基础。AVEVA MARINE是一个功能丰富的船舶设计软件,能为建模提供了丰富多样的工具,同一个模型,可以采用优劣不同的多种方法来达到同样的目的。本此对AVEVA MARINE软件实用建模技巧所开展课题研究,希望能对某些典型节点提供建模方法参考。
简介:Establishedin1953,CollegeofMarineandEnvironmentalSciences(formerlyknownasSaltChemicalEngineeringDepartmentofTianjinCollegeofLightIndustry),changeditsnametoCollegeofMarineScienceandEngineeringofTianjinUniversityofScienceandTechnologyin2001,andwasrenamedCollegeofMarineandEnvironmentalSciencesofTianjinUniversityofScienceandTechnologyin2015.After60yearsofdevelopment,ithasgrownintoateachingandresearchorientedcollegewiththecombinationofscienceandengineering.MarineScienceandEnvironmentalScienceandEngineeringasitscoredisciplinarysystem.
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简介:Thispaperaimsatareviewoftheworkcarriedouttodateontheadjointassimilationofdatainmarineecosystemmodelssince1995.Thestructureandfeatureoftheadjointassimilationinmarineecosystemmodelsarealsointroduced.Toillustratetheapplicationoftheadjointtechniqueanditsmerits,a4-variableecosystemmodelcoupledwitha3-DphysicalmodelisestablishedfortheBohaiSeaandtheYellowSea.ThechlorophyllconcentrationdataderivedfromtheSeaWiFSoceancolourdataareassimilatedinthemodelwiththetechnique.Someresultsarebrieflypresented.
简介:Marineecologicalnicheshaverecentlybeendescribedas"particularlypromising"sourcesforsearchofnewantimicrobialstocombatantibiotic-resistantstrainsofpathogenicmicroorganisms.Marineorganismsareexcellentsourcesformanyindustrialproducts,buttheyarepartlyexplored.Over30000compoundshavebeenisolatedfrommarinesources.Bacteria,fungi,andcyanobacteriaobtainedfromvariousmarinesourcessecretseveralindustriallyusefulbioactivecompounds,possessingantibacterial,antifungal,andantimycobacterialactivities.Sustainablecultivationmethodsforpromisingmarineorganismsandbiotechnologicalprocessesforselectedcompoundscanbedeveloped,alongwiththeestablishmentofbiosensorsformonitoringthetargetcompounds.Thesemisyntheticmodificationsofmarine-basedbioactivecompoundsproducetheirnewderivatives,structuralanalogsandmimeticsthatcouldserveasnovelleadcompoundsagainstresistantpathogens.Thepresentreviewfocusesonpromisingantimicrobialcompoundsisolatedfrommarinemicrobesfrom1991-2013.
简介:Inviewofthefactthatsiderophoresfrommicroorganismsindifferentenvironmentshavereceivedmuchattentioninrecentyearsbecauseoftheirpotentialapplicationsanddiversephysiologicalfunctions,thisreviewdealswithsiderophore-producingmarinemicroorganismsandthedetection,chemicalstructureandpotentialapplicationsofsiderophores.
简介:TheBohai,thelargestinlandseainChina,isabundantinmarineresources.However,withthepapereconomicgrowthintheCricum-BohaiBayAreaintherecentyears,theenvironmentalpollutioninthisareahasbecomemoreandmoreserious,resultinginasubstantialdeclineanddeteriorationofmarineresources.Inviewofthiscriticalsituation,themethodforsustainabledevelopmentofmarineresourcesintheBohaiSeaisdiscussed.Practicalmeasuresandfeasiblesuggestionsareputforwardinthispaperwiththepurposeofpreventingandcontrollingenvironmentalpollutionaswellasnaturaldisasters,andeventuallyachievingtheaimofthesustainabledevelopmentofmarineresourcesinthisarea.
简介:-Basedonthetheoryoflimitanalysis,theFiniteDifferenceMethod(FDM)isestablishedforevaluatingtheultimatebearingcapacityofsubsoilstobeartheunburiedpipelines.Theanalyticalresultsofbearingcapacityoftheidealclayisgiven.Theapproachtobearingcapacityevaluationofcohesionlesssubsoilswithoutsurchargeissuggested.Theresultsfromthismethodareconsistentwiththoseobtainedfrommodeltests.
简介:Astrainofyeast,whichcanendurehighosmoticpressure,isemployedforthesensitivematerialofthemicrobialBODsensor.Twoimmobilizationmethodsareused,I.e.CalciumalginategelbeadsandPVAgelbeads.TheresultsshowthatthePVAgelbeadsisbetter.TheinfluencesofosmosisandheavymetalionsontheyeastentrappedinthePVAgelbeadsarealsostudiedintheexperiment.