物理教材的栏目是培养学生物理素养的重要辅助工具。新加坡《剑桥O level物理》(Physic Matters for GCE‘O’Level)在栏目和教材的契合度上编写得较有特色。文章从布局、特点、内容、作用等角度分析研究该教材的特色栏目,在此基础上对...物理教材的栏目是培养学生物理素养的重要辅助工具。新加坡《剑桥O level物理》(Physic Matters for GCE‘O’Level)在栏目和教材的契合度上编写得较有特色。文章从布局、特点、内容、作用等角度分析研究该教材的特色栏目,在此基础上对我国中学物理教材栏目设置提出一些建议。展开更多
Molecular dynamics simulations have been performed to investigate the structures of Lennard–Jones(LJ) nanowires(NWs) encapsulated in carbon nanotubes(CNTs). We find that the structures of NWs in a small CNT only adop...Molecular dynamics simulations have been performed to investigate the structures of Lennard–Jones(LJ) nanowires(NWs) encapsulated in carbon nanotubes(CNTs). We find that the structures of NWs in a small CNT only adopt multi-shell motifs, while the structures of NWs in a larger CNT tend to adopt various motifs. Among these structures, three of them have not been reported previously. The phase boundaries among these structures are obtained regarding filling fractions, as well as the interaction between NWs and CNTs.展开更多
基金Project supported by the National Natural Science Foundation of China (Grant No. 11174079), the National Basic Research Program of China (Grant No. 2012CB921401), and the Shuguang and Innovation Program of Shanghai Education Committee, China.
文摘Molecular dynamics simulations have been performed to investigate the structures of Lennard–Jones(LJ) nanowires(NWs) encapsulated in carbon nanotubes(CNTs). We find that the structures of NWs in a small CNT only adopt multi-shell motifs, while the structures of NWs in a larger CNT tend to adopt various motifs. Among these structures, three of them have not been reported previously. The phase boundaries among these structures are obtained regarding filling fractions, as well as the interaction between NWs and CNTs.