作者： Wu, ZY;Bao, ZX;Cao, L;Liu, CX;Li, QS;Xie, SS;Zou, BS （¹Chinese Acad Sci, Inst Phys, Nanoscale Phys & Device LAB, Beijing 100080, Peoples R China. Beijing Inst Technol, Sch Chem Engn & Mat Sci, Beijing 100080, Peoples R China. Peking Univ, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100871, Peoples R China. Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110615, Peoples R China.）

出处： JOURNAL OF APPLIED PHYSICS 2003 Vol.93 No.12 P9983-9987

关键词： CDSE NANOCRYSTALS; TRANSFORMATION; TEMPERATURE; PARAMETERS; PARTICLES; DYNAMICS; ENERGIES; WURTZITE; SI

摘要： The electric resistance CoFe2O4 nanocrystals of different sizes, obtained by the coprecipitation method was investigated under pressure up to 20 GPa i ...

作者： Guo, D;Li, LT;Nan, CW;Xia, JT;Gui, ZL （¹Tsing Hua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China. Beijing Inst Technol, Sch Chem Engn & Mat, Beijing 100081, Peoples R China.）

出处： JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 2003 Vol.23 No.12 P2177-2181

摘要： Application of ANN (Artificial neural network) to the electrical properties analysis of PZT is discussed in this paper. The same set of results of PZT ...

作者： Wang, HJ;Gao, BQ （¹Beijing Inst Technol, Dept Elect Engn, Beijing 100081, Peoples R China. City Univ Hong Kong, Dept Elect Engn, Koloon, Hong Kong, Peoples R China.）

出处： CHINESE JOURNAL OF ELECTRONICS 2003 Vol.12 No.2 P314-316

关键词： BANDWIDTH; MONOPOLE

摘要： A new planar trigonometric curve (PTC) antenna is firstly proposed. The finite difference time domain method (FDTD) is used to analysis the input impe ...

作者： Cheng, LP;Guan, J;Li, S;Li, QS;Xu, WG （¹Beijing Inst Technol, Sch Chem Engn & Mat Sci, Beijing 100081, Peoples R China. Univ Georgia, Ctr Computat Quantum Chem, Athens, GA 30602 USA.）

出处： PHYSICAL CHEMISTRY CHEMICAL PHYSICS 2003 Vol.5 No.6 P1116-1122

关键词： POTENTIAL-ENERGY SURFACES; DECOMPOSITION PATHWAYS; AB-INITIO; N-5(+); N-4

摘要： Ab initio (MP2) and density functional theory (DFT) methods have been used to examine three isomers of the N-15(+) cluster with the 6-31G* basis set. ...

作者： Cao, CB;Lv, Q;Zhu, HS （¹Beijing Inst Technol, Res Ctr Mat Sci, Beijing 100081, Peoples R China.）

出处： DIAMOND AND RELATED MATERIALS 2003 Vol.12 No.3-7 P1070-1074

关键词： ORGANIC LIQUID; THIN-FILMS; CNX FILMS; DIAMOND; ELECTRODEPOSITION; SOLIDS; DEPOSITION; GROWTH; C3N4

摘要： A solvothermal method has been successfully applied to prepare crystalline carbon nitride powder from 1,3,5-trichlorotriazine (C3N3Cl3) and lithium ni ...

作者： Zhang, J;Wu, ZY;Ju, X;Wang, BJ;Li, QS;Hu, TD;Ibrahim, K;Xie, YN （¹Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat lab, Beijing 100039, Peoples R China. Chinese Acad Sci, Ctr Phys & Chem, Beijing 100101, Peoples R China. Beijing Inst Technol, Sch Chem Engn & Mat Sci, Beijing 100081, Peoples R China.）

出处： OPTICAL MATERIALS 2003 Vol.21 No.1-3 P573-578

关键词： RAY-ABSORPTION-SPECTROSCOPY; OPTICAL-PROPERTIES; TITANIUM-OXIDES; RUTILE; NANOPARTICLES; EFFICIENCY; ANATASE; SPECTRA; TIO2

摘要： The aim of this work is to investigate the interfacial structure of poly(phenylenevinylene)(PPV)/TiO2, nanocomposite by analyzing X-ray absorption spe ...

作者： Wang, LS;Ahlers, J;Gmehling, J （¹Univ Oldenburg, D-26111 Oldenburg, Germany. Beijing Inst Technol, Dept Chem Engn, Beijing 100081, Peoples R China.）

出处： INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 2003 Vol.42 No.24 P6205-6211

关键词： PENG-ROBINSON EQUATION; ASYMMETRIC SYSTEMS; SOLVENT ACTIVITIES; CUBIC EQUATION; MODEL; PSRK; UNIFAC

摘要： The simplified mixing rule for the Peng-Robinson EOS parameters proposed by Ahlers and Gmehling has been extended to calculate the VLE behavior of pol ...

作者： Guo, YX;Shang, M;Luo, SK （¹Liaoning Univ, Dept Phys, Shenyang 110036, Peoples R China. Beijing Inst Technol, Dept Appl Mech, Beijing 100081, Peoples R China. Changsha Univ, Inst Math Mech & Math Phys, Changsha 410003, Peoples R China.）

出处： APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION 2003 Vol.24 No.1 P68-72

摘要： Based on modem differential geometry, the symplectic structure of a Birkhoffian system which is an extension of conservative and nonconservative syste ...

作者： Zhang, YH;Chan, CK （¹Hong Kong Univ Sci & Technol, Dept Chem Engn, Hong Kong, Hong Kong, Peoples R China. Beijing Inst Technol, Sch Sci, Dept Chem, Beijing 100081, Peoples R China.）

出处： JOURNAL OF PHYSICAL CHEMISTRY A 2003 Vol.107 No.31 P5956-5962

关键词： ION-PAIR FORMATION; LIQUID WATER; AB-INITIO; HYGROSCOPIC PROPERTIES; LITHIUM PERCHLORATE; MAGNETIC RESONANCE; INFRARED SPECTRUM; AQUEOUS-SOLUTION; X-RAY; HYDRATION

摘要： Salts of the same anions of Mg2+, Na+, and Li+ have been found to exhibit different hygroscopic properties. These differences are attributed to the mo ...

作者： Li, QS;Jin, Q;Luo, Q;Tang, AC;Yu, JK;Zhang, HX （¹Jilin Univ, Inst Theoret Chem, Natl Key Lab Theoret & Computat Chem, Changchun 130023, Peoples R China. Beijing Inst Technol, Sch Sci, Beijing 100081, Peoples R China.）

出处： INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY 2003 Vol.94 No.5 P269-278

关键词： AB-INITIO; BORON CLUSTERS; ELECTRONIC-STRUCTURES; ICOSAHEDRAL CLUSTER; EXCITED-STATES; B-13(+); COMBUSTION; BN

摘要： We investigated various isomers of B-6, B-6(+), and B-6(-) clusters with ab initio[Hartree-Fock (HF), MP2)] and density functional theory (DFT) method ...