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简介：RationalizationofIndustrialStructureisessentialcharacteristicofeconomicdevelopmentandkeytopromotesustained,stable,coordinatedeconomicdevelopmentaswell.BasedonGreyRelevancyDegree,thepaperistoanalyzeindustrystructureinWenzhou,China.Andgivetheevaluationforrationalizationofindustrialstructure.

简介：Underthetargetofthesustainabledevelopment,optimizationofforestryindustrialstructurecontainsrationalizationandadvancementofforestryindustrialstructureinthetraditionalsense,aswellasecologicalizationofforestryindustrialstructure.Theconnotationofoptimizationofforestryindustrialstructureisanalyzedatfirst,andthenthepaperchoosesthetypicalevaluationindexesfromthethreesidesofrationalization,advancementandecologicalizationtoevaluatethecurrentsituationoftheregionalforestryindustrialstructure.Withtheaidofthetheoryoffuzzymathematicsandinformationentropy,thepaperestablishesafuzzyevaluationmodelwhichisbasedoninformationentropyforoptimizationofforestryindustrialstructure,andtheevaluationmodelisappliedinthestudyforthecurrentsituationofforestryindustrialstructurefrom2000to2006inHubeiprovince.Theresultsshowthatthegradeofforestryindustrialstructureisbadbasicallyduringtheresearch,ofwhichtheoveralllevelofforestryindustrialstructureofHubeiprovinceispoor,thedegreeofutilizingforestresourceislower,andecologicalenvironmentintheforestregionhasbeendamagedtosomeextent.Onthisbasis,theauthorpresentsthecountermeasuretopromotetheoptimizationofforestryindustrialstructure.

简介：Basedontheclassicdiffusioncontrollednucleationandgrowththeory,thesympatheticnucleationledgewisegrowthmechanismofbainitewasstudiedtheoreticallyforIowcarbonFe-Calloys.Therationalityoftheoccurrenceofsympatheticnucleationontheterracesofledgescompetingwithlateralledgegrowthandothersitesnucleationwasdemonstratedbythepresentworkquantitatively.ThecalculationsindicatedthatIowreactiontemperaturesandhighcarbonconcentrationsmayfavorthesympatheticnucleation,thusaccountingfortheformationofmultilayerstructuresofbainite.