简介：文章从高校财务的投资回报风险、债务负担风险、筹资能力风险、财务管理效率风险、内部控制缺失风险等方面阐述了高校财务风险的成因，提出了控制风险的对策，以期为降低高校财务风险提供借鉴。

简介：文章针对当前高速公路营运管理改革这一热点问题,从人本管理、文化建设及管理创新等角度出发,针对性地阐述了高速公路营运管理改革对策,以促进我国高速公路营运管理事业的健康持续发展。

简介：文章结合南通民营企业的发展现状,从政府作用、产业集群、创新能力、产业结构、产品附加值等方面探讨了民营经济发展中的存在问题,并提出了相应的对策。

简介：文章通过横向和纵向比较分析,发现江苏省海洋产业存在明显不平衡、不协调的问题,海洋船舶产业发展远快于全国平均速度,但是大而不强的特征明显,而海洋渔业和标准集装箱发展则显著滞后,最后从陆海及区域统筹、海洋产业科技平台、海洋产业聚集等方面提出了对策建议。

简介：文章分析了非公企业开展纪检监察工作和内部审计工作的现状。初步进行了纪检监察与内部审计融合的路径设计，以解决非公企业纪检监察工作和内部审计工作中存在的问题，推进纪检监察工作和内部审计工作的资源整合。

简介：当代隐喻理论认为，隐喻不仅是一种语言修辞现象，而且是一种认知活动，对诗歌的鉴赏也有很深的影响。文章尝试从概念隐喻这一认知视角对张九龄的五言古诗进行分析，对古诗研究具有一定借鉴意义。

简介：Toprovideasimulationsystemplatformfordesigninganddebuggingasmallautonomousunderwatervehicle’s(AUV)motioncontroller,asix-degreeoffreedom(6-DOF)dynamicmodelforAUVcontrolledbythrusterandfinswithappendagesisexamined.Basedonthedynamicmodel,asimulationsystemfortheAUV’smotionisestablished.ThedifferentkindsoftypicalmotionsaresimulatedtoanalyzethemotionperformanceandthemaneuverabilityoftheAUV.InordertoevaluatetheinfluencesofappendagesonthemotionperformanceoftheAUV,simulationsoftheAUVwithandwithoutappendagesareperformedandcompared.TheresultsdemonstratetheAUVhasgoodmaneuverabilitywithandwithoutappendages.

简介：Thescatteringprobleminvolvingwaterwavesbysmallundulationontheporousocean-bedinatwo-layerfluid,isinvestigatedwithintheframeworkofthetwo-dimensionallinearwaterwavetheorywheretheupperlayeriscoveredbyathinuniformsheetoficemodeledasathinelasticplate.Insuchatwo-layerfluidthereexistwaveswithtwodifferentmodes,onewithalowerwavenumberpropagatealongtheice-coverwhilstthosewithahigherwavenumberpropagatealongtheinterface.Anincidentwaveofaparticularwavenumbergetsreflectedandtransmittedoverthebottomundulationintowavesofbothmodes.PerturbationanalysisinconjunctionwiththeFouriertransformtechniqueisusedtoderivethefirst-ordercorrectionsofreflectionandtransmissioncoefficientsforboththemodesduetoincidentwavesoftwodifferentmodes.Onespecialtypeofbottomtopographyisconsideredasanexampletoevaluatetherelatedcoefficientsindetail.Thesecoefficientsaredepictedingraphicalformstodemonstratethetransformationofwaveenergybetweenthetwomodesandalsotoillustratetheeffectsoftheicesheetandtheporosityoftheundulatingbed.

简介：Severalindustrialapplicationssuchaselectronicdevices,heatexchangers,gasturbineblades,etc.needcoolingprocesses.Theinternalcoolingtechniqueisproperforsomeapplications.Inthepresentwork,computationalsimulationsweremadeusingANSYSCFXtopredicttheimprovementsofinternalheattransferintherectangularribbedchannelusingdifferentcoolants.Severalcoolantssuchasair,steam,air/mistandsteam/mistwereinvestigated.Theshearstresstransportmodel(SST)isselectedbycomparingthestandardk-ωandOmegaReynoldsStress(ωRS)turbulencemodelswithexperimentalresults.Theresultsindicatethattheheattransfercoefficientsareenhancedintheribbedchannelwhileinjectingsmallamountsofmist.Theheattransfercoefficientsofair/mist,steamandsteam/mistincreaseby12.5%,49.5%and107%overthatofair,respectively.Furthermore,incomparisontoair,theair/mistheattransfercoefficientenhancesbyabout1.05to1.14timeswhenthemistmassfractionincreasesfrom2%to8%,respectively.Thesteam/mistheattransfercoefficientincreasesbyabout1.12to1.27timeshigherthanthatofsteamovertheconsideredrangeofmistmassfraction.

简介：文章阐明了PBL教学法在“船舶强度与结构设计”课程教学中的应用，介绍了其具体实施步骤。实施效果显示，该方法取得了良好的教学效果，具有一定的参考意义。

简介：Strongrestrictionsonemissionsfrommarinepowerplants(particularlySOx,NOx)willprobablybeadoptedinthenearfuture.Inthispaper,acombinedsolidoxidefuelcell(SOFC)andsteamturbinefuelledbynaturalgasisproposedasanattractiveoptiontolimittheenvironmentalimpactofthemarinesector.TheanalyzedvariantofthecombinedcycleincludesaSOFCoperatedwithnaturalgasfuelandasteamturbinewithasingle-pressurewasteheatboiler.ThecalculationswereperformedfortwotypesoftubularandplanarSOFCs,eachwithanoutputpowerof18MW.Thispaperincludesadetailedenergyanalysisofthecombinedsystem.Massandenergybalancesareperformednotonlyforthewholeplantbutalsoforeachcomponentinordertoevaluatethethermalefficiencyofthecombinedcycle.Inaddition,theeffectsofusingnaturalgasasafuelonthefuelcellvoltageandperformanceareinvestigated.Ithasbeenfoundthatahighoverallefficiencyapproaching60%maybeachievedwithanoptimumconfigurationusingtheSOFCsystem.Thehybridsystemwouldalsoreduceemissions,fuelconsumption,andimprovethetotalsystemefficiency.

简介：Theprogressofeconomicglobalization,therapidgrowthofinternationaltrade,andthemaritimetransportationhasplayedanincreasinglysignificantroleintheinternationalsupplychain.Asaresult,worldwideseaportshavesufferedfromacentralproblem,whichappearsintheformofmassiveamountsoffuelconsumedandexhaustgasfumesemittedfromtheshipswhileberthed.Manyportshavetakenthenecessaryprecautionstoovercomethisproblem,whileothersstillsufferduetothepresenceoftechnicalandfinancialconstraints.Inthispaper,thebarriers,interconnectionstandards,rules,regulations,powersources,andeconomicandenvironmentalanalysisrelatedtoships,shore-sidepowerwerestudiedineffortstofindasolutiontoovercomehisproblem.Asacasestudy,thispaperinvestigatesthepracticability,costsandbenefitsofswitchingfromonboardshipauxiliaryenginestoshore-sidepowerconnectionforhigh-speedcraftscalledAlkaherawhileberthedattheportofSafaga,Egypt.Theresultsprovidethenationalelectricitygridconceptasthebesteconomicalselectionwith49.03percentofannualcostsaving.Moreover,environmentally,itcouldachieveanannualreductioninexhaustgasemissionsofCO2,CO,NOx,P.M,andSO2by276,2.32,18.87,0.825and3.84tons,respectively.