简介:摘要:本文以国内外碳税最优税研究现状梳理为主要研究内容,进行梳理得出目前国内外文献研究的重点领域和可能缺漏之处。通过对以上内容的研究,本文认为目前国内外碳税最优税理论研究主要分为以下四个方面:一是最优碳税相关理论基础研究,二是碳税最优税率的测算,三是碳税最优税率的动态变化问题,四是差异化碳税问题。本文希望通过文献梳理,为碳税最优税更深入的研究添砖加瓦。
简介:摘要:本文主要简单介绍了0#柴油冬季最优化运行研究,指的是通过对数据的科学测算,实现对冬季销售0#柴油各环节的精细化管理。其中包含加油站的科学选点,油库升温的精确控制,与保温车配送范围的具体划分。
简介:SPSS13.0wasusedtoprocessthedataofthe1-6batchofkeyculturalrelicconservationunitspromulgatedbytheStateAdministrationofCulturalHeritageofChina;andmulti-elementevaluationmethodwasusedtocalculatethecompositedistributionindex.ThespatialdistributionofculturalrelicsofprovincesinChinacanbedividedintofourgrades,namely:veryrichareas,richareas,poorareasandverypoorareas;thearticleanalyzesthecharacteristicsofculturalresourcesinspatialandtemporaldistribution.Thepaperholdsthat(1)thedistributionofChina'sculturalrelictourismresourcesisrelativelyconcentrated,differentsharplyfromregiontoregion,withmoreHannation'sheritage,lessrelicsoftheethnicminorities;(2)Henan,Hebei,Shaanxi,ShanxiProvincearethemainregionswithheavydistributionofculturalresources;(3)relicsappearedinspecifictimeperiodsinChina'shistory.MingandQingDynasties,Sui,TangandFiveDynasties,Song,LiaoandJin,theWesternHan,ShangandZhoudynasties,theNewStoneAgearethemajorperiodsproducingmoreculturalrelics.Thispaperalsoanalyzesrelationshipsoftheemergenceofculturalrelicswithproductiontechnology,specifichistoricalprocess,specificgeographicallocation,politicalsystem,religion,nationalculture,customs,architecturalstylesandtechniquesofthetraditionalculturaleducationalsystem.Finally,thepaperdiscussesthedevelopmentandprotectionofheritage.