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作者: Gang Tie-Qiang1;Mai Feng-Xiang1;Xie Jia-Fang11 Beijing Inst Technol, Dept Mech, Beijing 100081, Peoples R China.)

出处: CHINESE PHYSICS B 2008 Vol.17 No.10 P3623-3628

摘要: In this paper, the dissipative and the forced terms of the Duffing equation are considered as the perturbations of nonlinear Hamiltonian equations and ...

作者: Tao, Ran1;Lang, Jun1;Wang, Yue11 Beijing Inst Technol, Dept Elect Engn, Beijing 100081, Peoples R China.)

出处: OPTICS LETTERS 2008 Vol.33 No.6 P581-583

摘要: A novel image encryption algorithm is proposed based on the multiple-parameter fractional Fourier transform, which is a generalized fractional Fourier ...

作者: Mei Feng-Xiang1;Me Jia-Fang1;Gang Tie-Qiang11 Beijing Inst Technol, Dept Mech, Beijing 100081, Peoples R China.)

出处: ACTA PHYSICA SINICA 2008 Vol.57 No.8 P4649-4651

关键词: CONSERVED QUANTITIES; LIE SYMMETRIES; CONSTRAINTS; STABILITY

摘要: For the generalized Birkhoff system dynamics, the authors present a kind of inverse problem. The generalized Birkhoff system equations are established ...

作者: Li, Xiao-Hong1;Zhao, Li-Jun1,2;Dong, Jin-Ling1;Xiao, Han-Shuang1;Zhang, Yun-Hong11 Beijing Inst Technol, Sch Sci, Inst Chem Phys, Beijing 100081, Peoples R China. ;2 Beijing Inst Technol, Sch Aerosp Sci & Engn, Beijing 100081, Peoples R China.)

出处: JOURNAL OF PHYSICAL CHEMISTRY B 2008 Vol.112 No.16 P5032-5038

关键词: MAGNESIUM-NITRATE; AQUEOUS-SOLUTIONS; HYGROSCOPIC PROPERTIES; HYDRATED IONS; FLUORESCENCE SPECTROSCOPY; VIBRATIONAL ANALYSIS; SALT MIXTURES; NITRIC-ACID; AB-INITIO; WATER

摘要: Individual Mg(NO3)(2) aerosol particles deposited on a quartz substrate were investigated by confocal Raman spectroscopy. With decreasing the relative ...

作者: Chen, Yemin (1Beijing Inst Technol, Dept Math, Beijing 100081, Peoples R China.)

出处: KINETIC AND RELATED MODELS 2008 Vol.1 No.3 P369-386

关键词: FOURIER INTEGRAL-OPERATORS; BOLTZMANN-EQUATION; MAXWELLIANS; REGULARITY; COMPACTNESS; POTENTIALS; TRANSFORM; PART

摘要: In this paper we prove that any classical solutions to the Vlasov-Poisson-Landau system (such as the one obtained by Yu in the case being near Maxwell ...

作者: Wang, J. M.1;Guo, B. Z.2,31 Beijing Inst Technol, Dept Math, Beijing 100081, Peoples R China. ;2 Acad Sinica, Acad Math & Syst Sci, Beijing 100080, Peoples R China. ;3 Univ Witwatersrand, Sch Computat & Appl Math, ZA-2050 Wits, Johannesburg, South Africa.)

出处: JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS 2008 Vol.137 No.3 P675-689

关键词: POLYNOMIAL BOUNDARY-CONDITIONS; RIESZ BASIS APPROACH; STABILIZATION; STABILITY

摘要: Using the Riesz basis approach, we study a sandwich beam that is composed of an outer stiff layer and a compliant middle layer. The dynamic behavior a ...

作者: Lei, Qian2;Zhao, Tianbo3;Li, Fengyan4;Wang, Yan Fen3;Hou, Lingling31Chengdu Inst Organ Chem Chinese Acad Sci Chengdu, Chengdu, Peoples R China. ;2 Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China. ;3 Beijing Inst Technol, Inst Chem Phys, Beijing 100081, Peoples R China. ;4 Beijing Inst Petrochem Technol, Dept Appl Chem, Beijing 102617, Peoples R China.)

出处: JOURNAL OF POROUS MATERIALS 2008 Vol.15 No.6 P643-646

关键词: NANOPARTICLES; MACROPORES; SEPARATION; CONVERSION; RODS

摘要: Zeolite beta monoliths with hierarchical porosity were prepared by the steam-assisted conversion of pre-seeded bimodal pore silica gel using the Layer ...

作者: Liu Hong-Mei2,4;Zhao Quan-Liang3;Cao Mao-Sheng2,3;Yuan Jie1;Duan Zhong-Xia3;Qiu Cheng-Jun3,41 Cent Univ Nationalities, Sch Informat Engn, Beijing 100081, Peoples R China. ;2 Harbin Engn Univ, Sch Mat Sci & Chem, Harbin 150001, Peoples R China. ;3 Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China. ;4 Heilongjiang Univ, Key Lab Integrated Circuit, Harbin 150080, Peoples R China.)

出处: CHINESE PHYSICS LETTERS 2008 Vol.25 No.11 P4128-4130

关键词: RESONANT-FREQUENCY SHIFT; FABRICATION

摘要: Pb(Zr-0.53,Ti-0.47)O-3 (PZT) films with thicknesses of 0.8 mu m, 2 mu m and 4 mu m are prepared by a sol-gel method and their longitudinal piezoelectr ...

作者: Cao, Duan-lin1,2;Ren, Fu-de1,3;Feng, Xiao-qin1;Wang, Jian-long1;Li, Yong-xiang1;Hu, Zhi-yong1;Chen, Shu-sen41 N Univ China, Coll Chem Engn & Environm, Taiyuan 030051, Peoples R China. ;2 Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China. ;3 Lib N Univ China, Taiyuan 030051, Peoples R China. ;4 Beijing Inst Technol, Sch Sci, Beijing 100081, Peoples R China.)

出处: JOURNAL OF MOLECULAR STRUCTURE-THEOCHEM 2008 Vol.849 No.1-3 P76-83

关键词: TRANSFORM INFRARED-SPECTRA; HYDROGEN-BONDED COMPLEXES; DENSITY-FUNCTIONAL THEORY; AB-INITIO; BENZENE DIMER; MOLECULAR-STRUCTURES; VIBRATIONAL-SPECTRA; ANALYTICAL GRADIENT; ENERGY; RESOLUTION

摘要: The four types of unusual T-shaped X-H...pi hydrogen bonds, which are O-H center dot center dot center dot C N, O-H center dot center dot center dot ...

作者: Chen, Yu-Jin1;Zhu, Chun-Ling2;Xue, Xin-Yu3;Shi, Xiao-Ling4;Cao, Mao-Sheng41 Harbin Engn Univ, Coll Sci, Harbin 150001, Peoples R China. ;2 Harbin Engn Univ, Coll Mat Sci & Chem Engn, Harbin 150001, Peoples R China. ;3 Northeastern Univ, Coll Sci, Shenyang 110004, Peoples R China. ;4 Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China.)

出处: APPLIED PHYSICS LETTERS 2008 Vol.92 No.22

关键词: LITHIUM STORAGE; ELECTRODE MATERIALS; SNO2 NANOTUBES; CHEMICAL ROUTE; ANODE MATERIAL; TIN; TEMPERATURE; NANOWIRES; PERFORMANCE; GROWTH

摘要: The single-walled carbon nanotube (SWNT)/SnO2 core-shell structures with small diameters as Li-insertion materials are investigated. The initial disch ...

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