简介:<正>Natureisthemajorthemethatmanypoetsdealwithtoexpresstheirsorrowandjoy,lonelinessandhappiness;toseeklibertyandfreedom;toescapethesqalorofreallife;ortorevealtruthandphilosophy.Natureluresmanypoetsintoit.Notonlyisnaturethekingdomofpoeple’spouringouttheirfeeling,butalsothckingdomofbeautyofallcreatures——murmuringrivers,roilinghills,singingbirds,andsmilingflowers.Poetshaveendowednaturewithlifeandmergedthemselvesinit.Naturecanpurifysoulsandmouldtemperament.
简介:TheWei-LiuwatersupplyingsubmarinepipelineisatpresentthelongestoneofthekindinChina.Itisabout4kilometerslongfromWeihaiCitytoLiugongIslandinShandongprovince.Ittookonlyhalfayeartodesignandconstructit.Theprojectwasofahigheconomicefficiencyandsomepracticalexperienceswereachieved.Inthispaperageneralintroductiontothedesignandconstructionofthispipelineispresentedandsuchproblemsasthestabilityofthepipelineinverysoftclay,designofcurvedslideforlaunchingandestimationofdraggingforcesareexpounded.
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简介:ToinvestigatetheprotectiveeffectofdecoctionofliaoweiongastricmucosaofH.pyloriassociatedchronicatrophicgastritisinrats.TheH.pyloriassociatedchronicatrophicgastritismodelswereinducedwithsodiumdeoxycholate,sodiumsalicylate,ethanol,andculturebrothofH.pylori.ProtectiveeffectofdecoctionofliaoweiongastricmucosaofH.pyloriassociatedchronicatrophicgastritiswasobservedquantitatively.
简介:Basedonthecovariantprolongationstructuretechnique,weconstructtheintegrablehigher-orderdeformationsofthe(2+1)-dimensionalHeisenbergferromagnetmodelandobtaintheirsu(2)×R(λ)prolongationstructures.ByassociatingthesedeformedmultidimensionalHeisenbergferromagnetmodelswiththemovingspacecurveinEuclideanspaceandusingtheHasimotofunction,wederivetheirgeometricalequivalentcounterparts,i.e.,higher-order(2+1)-dimensionalnonlinearSchrdingerequations.