油砂是固态或半固态的砂和其岩石中包含油的混和物,是常规油气资源的重要补充(Liu et al.,2019)。准噶尔盆地西北缘是我国油砂资源最为丰富的地区之。目前,准西油砂的勘探程度较低,以往研究局限于单个矿区或单个层位,或延续对深层常规...油砂是固态或半固态的砂和其岩石中包含油的混和物,是常规油气资源的重要补充(Liu et al.,2019)。准噶尔盆地西北缘是我国油砂资源最为丰富的地区之。目前,准西油砂的勘探程度较低,以往研究局限于单个矿区或单个层位,或延续对深层常规油气成因的认识(单玄龙等,2007;万初发等,2019;王启予,2020),尚未对整个西北缘各层系油砂的储层特征和成矿规律进行过系统对比研究(代振龙等,2022;马小平等,2022)。展开更多
Current situation of the second-hand housing market Relatively speaking,we don’t pay much attention to the second-hand housing market.Therefore,this article has certain practical significance to predict the second-ha...Current situation of the second-hand housing market Relatively speaking,we don’t pay much attention to the second-hand housing market.Therefore,this article has certain practical significance to predict the second-hand housing prices index.In 2005,China began to pursue the reform of the real estate tax and the second-hand housing transaction must pay personal tax.In 2006,the central bank increased mortgage interest rate,the state administration of taxation introduced the business tax policy展开更多
文摘油砂是固态或半固态的砂和其岩石中包含油的混和物,是常规油气资源的重要补充(Liu et al.,2019)。准噶尔盆地西北缘是我国油砂资源最为丰富的地区之。目前,准西油砂的勘探程度较低,以往研究局限于单个矿区或单个层位,或延续对深层常规油气成因的认识(单玄龙等,2007;万初发等,2019;王启予,2020),尚未对整个西北缘各层系油砂的储层特征和成矿规律进行过系统对比研究(代振龙等,2022;马小平等,2022)。
文摘Current situation of the second-hand housing market Relatively speaking,we don’t pay much attention to the second-hand housing market.Therefore,this article has certain practical significance to predict the second-hand housing prices index.In 2005,China began to pursue the reform of the real estate tax and the second-hand housing transaction must pay personal tax.In 2006,the central bank increased mortgage interest rate,the state administration of taxation introduced the business tax policy