变性淀粉以其良好的适应性应用于食品、造纸、纺织、医药、轻工业、建材、石油、生物工程等行业,近年来受到越来越多的研究者的关注。以Web of Science核心合集(SCI-E、CPCI-S、CCR-EXPANDED、IC)数据库2000~2016年收录的变性淀粉文献...变性淀粉以其良好的适应性应用于食品、造纸、纺织、医药、轻工业、建材、石油、生物工程等行业,近年来受到越来越多的研究者的关注。以Web of Science核心合集(SCI-E、CPCI-S、CCR-EXPANDED、IC)数据库2000~2016年收录的变性淀粉文献为数据来源,利用文献计量学及社会网络分析方法对其研究进展及热点进行分析。并根据ESI学科分类,分析变性淀粉高水平论文情况,揭示变性淀粉研究领域的国际热点方向,为我国相关行业研究提供参考依据。展开更多
An ultrathin alumina film grown on a Cu-9 at.%Al(111)substrate is investigated using low-temperature scanning tunneling microscopy and spectroscopy.The topographic images show a zigzagged corrugation characterized by ...An ultrathin alumina film grown on a Cu-9 at.%Al(111)substrate is investigated using low-temperature scanning tunneling microscopy and spectroscopy.The topographic images show a zigzagged corrugation characterized by the heptagonal and pentagonal organization of interfacial aluminum atoms and by a dependence on the bias voltage.Furthermore,the dI/dV maps and the spectrum reveal an unoccupied state locating at about+0.26 eV,which most likely originates from the aluminum-oxygen hybridization and is possibly responsible for the heptagonal and pentagonal arrangements of Al atoms.展开更多
文摘变性淀粉以其良好的适应性应用于食品、造纸、纺织、医药、轻工业、建材、石油、生物工程等行业,近年来受到越来越多的研究者的关注。以Web of Science核心合集(SCI-E、CPCI-S、CCR-EXPANDED、IC)数据库2000~2016年收录的变性淀粉文献为数据来源,利用文献计量学及社会网络分析方法对其研究进展及热点进行分析。并根据ESI学科分类,分析变性淀粉高水平论文情况,揭示变性淀粉研究领域的国际热点方向,为我国相关行业研究提供参考依据。
基金by the National Natural Science Foundation of China under Grant Nos 10804121,11004219 and 21073227the Knowledge Innovation Project of Chinese Academy of Sciences.
文摘An ultrathin alumina film grown on a Cu-9 at.%Al(111)substrate is investigated using low-temperature scanning tunneling microscopy and spectroscopy.The topographic images show a zigzagged corrugation characterized by the heptagonal and pentagonal organization of interfacial aluminum atoms and by a dependence on the bias voltage.Furthermore,the dI/dV maps and the spectrum reveal an unoccupied state locating at about+0.26 eV,which most likely originates from the aluminum-oxygen hybridization and is possibly responsible for the heptagonal and pentagonal arrangements of Al atoms.
