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| 1 | Identification and Comparison of Aircraft Industry Clusters in China and United States显示文摘Aircraft industry is very important to the economy and security of a country,and aircraft industry clusters have already existed in the world.Based on Input-Output data and Czamanski's method,the aircraft industry clusters in China and USA were identified quantitatively in this paper.Furthermore,this article carried out comparison analyses of the identification results.The research finds out:1) a mature aircraft industry cluster would be generally composed of 7 industrial subgroups,including aircraft industry,metal making and products manufacturing industry,machinery and equipment industry,electronics industry,automobile industry,material industry and others,and electronics industrial subgroup will play a more and more important role in the cluster;2) in the range of industry-covering,the level of industry-linkage,and the economic performance,there is a tremendously large gap between the aircraft industry cluster of China and that of USA;3) the spatial evolution of these clusters or centers is highly consistent with the diffusion of a country's industrialization.Finally,based on those findings,the paper gives some advice on how to improve Czamanski's method and what China should do to develop its own competitive aircraft industry:1) China should employ institutional innovation,and turn to be market-oriented;2) China should abandon the traditional pattern of closed-development,and strengthen the interaction and collaboration between aircraft industry and related industries,especially the electronics industry;3) China should rectify and perfect its spatial development planning of aircraft industry. | CHU Bo ZHANG Hua JIN Fengjun | 2010 | Chinese Geographical Science2010，20，5： | 3 |
| 2 | Synthesis of self-crosslinking sodium polyacrylate hydrogel and water-absorbing mechanism显示文摘 | Hua Fengjun Qian Mengping | 2001 | Journal of Materials Science2001，36，3： | 1 |
| 3 | Synthesis of self - crosslinking sodium polyacrylate hydrogel and water - absorbing mechanism 显示文摘 | Fengjun Hua Mengping Qian | 2001 | Journal of Materials Science2001，36，3： | 1 |
| 4 | Lateral migration pathways of petroleum in the Zhu Ⅲ subbasin, pearl river mouth basin, South China Sea 显示文摘 | NIE Fengjun LI Sitian WANG Hua | 2001 | Marine and Petroleum Geology2001，18，5： | 1 |
| 5 | 显示文摘 | QIAN MengPing | 2001 | J Material Science2001，36，： | 1 |
| 6 | Eli mekenstein preparetion of oligoamide-ended poly (ethylene golycol) and hydrogen-bonding-assisted formation of aggregates and nanoscale fibers 显示文摘 | Fengjun Hua Xiaowu Yang Bing Gong | 2005 | Polymer Chemistry2005，43，： | 1 |
| 7 | 显示文摘 | Hua Fengjun Qian Mengping | 2001 | Journal of Materials Sci- ence2001，36，3： | 1 |
| 8 | Synthesis of self-crosslinking sodium polyacrylate hydrogel and water-absorblng mechanlsm显示文摘 | Fengjun Hua Mevgping Qian | 2001 | Journal of Materials Science2001，36，： | 1 |
| 9 | Study on Basin-Filling and Reservoir Sedimentology of Zhu Ⅲ Depression of Pearl River Mouth Basin,South China Sea显示文摘Through basin-filling analysis, one coarsening-upward and two fining-upward sequences have been identified in Zhu Ⅲ depression. In accondance with the general model proposed by Ravnas and Steel (1998), the basin-filling has two large cycles—rift (sediment-balanced and -overfilled) and postrift (sedimentunderfilled and starved). During the rifting process, the rifted lake developed through three stages: early, climax and late. The sedimentary characteristics of reservoir rocks show that barrier bar, lagoon and tidal channel facies well developed in Zhuhai Formation; offshore, tidal and barrier bar well developed in Zhujiang Formation. Neighborly, Shenhu, Wenchang and Enping formations deposited in rifted lakes during Paleogene time; Zhujiang Formation deposited in bay, lagoon and shoreface in late Paleogene. Zhujiang and other formations deposited in offshore and open shallow sea to shelf. | Nie Fengjun Department of Energy Resources, China University of Geosciences, Beijing 10008 Li Sitian Xie Xinong Wang Hua Faculty of Earth Resources, China University of Geosciences, Wuhan 430074 Zhu Weilin China National Offshore Oil Corporat | 2000 | Journal of Earth Science2000，19，1： | 0 |
| 10 | Point-defect-driven flattened polar phonon bands in fluorite ferroelectrics显示文摘The scale-free ferroelectric polarization of fluorite MO_(2)(M=Hf,Zr)due to flat polar phonon bands are promising for nonvolatile memories.Defects are also widely introduced to improve the emergent ferroelectricity.However,their roles are still not fully understood at the atomic-level.Here,we report a significant effect of point-defect-driven flattening of polar phonon bands with more polar modes and polarization contribution in doped MO_(2).The polar phonon bands in La-doped MO_(2)(M=Hf,Zr)can be significantly flattened,compared with pure ones.However,the lower energy barrier with larger polarization of VO-only doped MO_(2) compared with La-doped cases suggest that VO and local lattice distortion should be balanced for high-performance fluorite ferroelectricity.The work is believed to bridge the relation between point defects and the generally enhanced induced ferroelectricity in fluorite ferroelectrics at the atomic-level and inspire their further property optimization via defect-engineering. | Pu Ai Fengjun Yan Wen Dong Shi Liu Junlei Zhao Kan-Hao Xue Syed Ul Hasnain Bakhtiar Yilong Liu Qi Ma Ling Miao Mengyuan Hua Guangzu Zhang Shenglin Jiang Wei Luo Qiuyun Fu | 2023 | npj Computational Materials2023，，1： | 0 |
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