From the perspective of endogenous development concept,Dujiazhuang Village,Mentougou was taken as an example to explore the development of rural cultural tourism space.The rural tourism resources in the west of Beijin...From the perspective of endogenous development concept,Dujiazhuang Village,Mentougou was taken as an example to explore the development of rural cultural tourism space.The rural tourism resources in the west of Beijing are rich in type and numerous,but the development of cultural tourism is unbalanced and inadequate.Guided by the endogenousconcept and driven by the design of cultural tourism space,rural public space should be as the entry point to integrate the elements of rural resources and create a design that stimulates the endogenous ability of villagers.Culture can promote tourism,and industry can drive the economy to increase income and enhance the villagers'cultural identity.展开更多
分析2010-2018年Web of Science核心合集数据库收录的215篇奥运遗产(Olympic Legacy)研究文献,对该研究领域的前沿与热点进行分析。结果显示:奥运遗产的概念和内涵不断延伸,研究范围不断扩充;冬奥会是奥运遗产的研究热点之一,效应关系...分析2010-2018年Web of Science核心合集数据库收录的215篇奥运遗产(Olympic Legacy)研究文献,对该研究领域的前沿与热点进行分析。结果显示:奥运遗产的概念和内涵不断延伸,研究范围不断扩充;冬奥会是奥运遗产的研究热点之一,效应关系得到重视;奥运遗产与其它学科研究相互渗透,研究体系逐步完善。通过对奥运遗产研究前沿和研究热点的分析,能够为我国2022年北京冬奥会奥运遗产的规划建立理论框架,为管理实施提供借鉴办法。展开更多
In order to predict potential molecules with Pb≡C bonding, we investigated the potential energy sur-face of a tetra-atomic system [PbCN2] at the CCSD(T)//B3LYP level. We found that the linear isomer PbCNN possesses g...In order to predict potential molecules with Pb≡C bonding, we investigated the potential energy sur-face of a tetra-atomic system [PbCN2] at the CCSD(T)//B3LYP level. We found that the linear isomer PbCNN possesses good thermodynamic and kinetic stability. The combined molecular orbital analysis, hydrogenation heat, bond energy and bond dissociation energy all proved that PbCNN is composed of Pb≡ C triple bonding.展开更多
基金by the Innovation and Entrepreneurship Training Planning Project for University Students of North China University of Technology in 2023.
文摘From the perspective of endogenous development concept,Dujiazhuang Village,Mentougou was taken as an example to explore the development of rural cultural tourism space.The rural tourism resources in the west of Beijing are rich in type and numerous,but the development of cultural tourism is unbalanced and inadequate.Guided by the endogenousconcept and driven by the design of cultural tourism space,rural public space should be as the entry point to integrate the elements of rural resources and create a design that stimulates the endogenous ability of villagers.Culture can promote tourism,and industry can drive the economy to increase income and enhance the villagers'cultural identity.
文摘分析2010-2018年Web of Science核心合集数据库收录的215篇奥运遗产(Olympic Legacy)研究文献,对该研究领域的前沿与热点进行分析。结果显示:奥运遗产的概念和内涵不断延伸,研究范围不断扩充;冬奥会是奥运遗产的研究热点之一,效应关系得到重视;奥运遗产与其它学科研究相互渗透,研究体系逐步完善。通过对奥运遗产研究前沿和研究热点的分析,能够为我国2022年北京冬奥会奥运遗产的规划建立理论框架,为管理实施提供借鉴办法。
基金Supported by the National Natural Science Foundation of China (Grant Nos. 20103003, 20573046 and 20773054)Doctor Foundation by the Ministry of Educa-tion (20070183028)+1 种基金Excellent Young People Foundation of Jilin Province (20050103)Program for New Century Excellent Talents in University (NCET)
文摘In order to predict potential molecules with Pb≡C bonding, we investigated the potential energy sur-face of a tetra-atomic system [PbCN2] at the CCSD(T)//B3LYP level. We found that the linear isomer PbCNN possesses good thermodynamic and kinetic stability. The combined molecular orbital analysis, hydrogenation heat, bond energy and bond dissociation energy all proved that PbCNN is composed of Pb≡ C triple bonding.
