作者： Yang, Ning;Chen, Guang-Hua;Zhang, Yang;Gong, Wei-Bin;Zhu, H.E.-Sun （1) Sch. of Mat. Science and Engineering, Beijing Polytechnic University, Beijing 100022, China (2) Research Center of Materials Science, Beijing Institute of Technology, Beijing 100081, China）

出处： Wuli Xuebao/Acta Physica Sinica 2000 Vol.49 No.11 P2228-2229

摘要： Two-dimensional growth of thin films is simulated using the Monte Carlo method. The effect of the interaction between particles on the morphology of t ...

作者： Chen, P.W.(1); Ding, Y.S.(1); Chen, Q.(2); Huang, F.L.(3); Yun, S.R.(3) （(1) Division 2, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China; (2) Institute of Applied Physics and Computational Mechanics, Beijing 100088, China; (3) Department of Safety Engineering, Beijing Institute of Technology, Beijing 100081, China）

出处： Diamond and Related Materials 2000 Vol.9No.9 P1722-1725

关键词： Composition - Crystal structure - Detonation - High pressure effects - High temperature effects - Nanostructured materials - Raman spectroscopy - Surfaces - Synthesis (chemical) - Thermodynamic stability - Transmission electron microscopy - X ray diffraction analysis

摘要： Ultrafine diamond (UFD) was synthesized under high pressure and high temperatures generated by explosive detonation. The structure, composition, surfa ...

作者： Xiangwei, Chen(1); Fengxiang, Mei(1) （(1) Department of Applied Mechanics, Beijing Institute of Technology, Beijing 100081, China）

出处： Mechanics Research Communications 2000 Vol.27No.3 P365-371

关键词： Bifurcation (mathematics) - Lyapunov methods - Perturbation techniques - Theorem proving

摘要： The existence of periodic closed orbits for the second order autonomous Birkhoff system is studied by using Lyapunov center theorem. The existence the ...

被引情况： sci被引 18 次

作者： Qinghe Wu^* （Department of Automatic Control, Beijing Institute of Technology, Beijing 100081 China）

出处： International Journal of Robust and Nonlinear Control 2000 Vol.10No.10 P763-777

关键词： interval plants;stability radius;polynomial families;eigenvalues

摘要： This paper considers the stability radius problem of control systems with interval plants and first-order controllers. The nominal plant P0(s) used fo ...

被引情况： sci被引 2 次

作者： Prof. G. K. Hu ⁽¹⁾;G. L. Huang ⁽¹⁾ （1. Department of Applied Mechanics, Beijing Institute of Technology, 100081, Beijing, P.R. China）

出处： Acta Mechanica 2000 Vol.141NO.3-4 P193-200

关键词： Residual stresses;Elastic moduli;Elastoplasticity;Composite materials;Volume fraction;Microstructure;Thermal effects;Tensile stress;Compressive stress;Finite element method

摘要： Summary  Based on the secant moduli framework with second-order moment of stress and the elastic micro-mechanical method proposed by ...

作者： F. X. Mei ⁽¹⁾ （1. Department of Applied Mechanics, Beijing Institute of Technology, No. 7 Baishiqiao Road, Haidian, 100081, Beijing, China）

出处： Acta Mechanica 2000 Vol.141NO.3-4 P135-148

关键词： Mechanics;Ordinary differential equations;Mathematical transformations;Inverse problems;Equations of motion;Kinetic energy

摘要： Summary  The Lie symmetries and conserved quantities of constrained mechanical systems are studied. Using the invariance of the ordinary ...

被引情况： sci被引 57 次

作者： Hu GK.;Weng GJ. （Beijing Inst Technol, Dept Appl Mech, Beijing 100081, Peoples R China, .）

出处： Acta Mechanica 2000 Vol.140NO.1-2 P31-40

关键词： Reinforced composites;Average stress;Plasticity;Matrix;Bounds;Behavior;Moduli;Fiber

摘要： For a two-phase isotropic composite consisting of an isotropic matrix and randomly oriented isotropic ellipsoidal inclusions, Mori-Tanakas (MT) [6] me ...

被引情况： sci被引 42 次

作者： Hu G.K.;Weng G.J. （Beijing Inst of Technology, Beijing, China）

出处： Mechanics of Materials 2000 Vol.32No.8 P495-503

关键词： Double inclusion;Elastic moduli;Two-phase composites;Micromechanical models

摘要： The double-inclusion model, which carries more theoretical connections with other micromechanical models, is shown. By choosing the shape and the rela ...

被引情况： sci被引 84 次

作者： Wang P.;Zhao J.;Ge W. （Hebei Univ, Baoding, China）

出处： COMPUTERS AND MATHEMATICS WITH APPLICATIONS 2000 Vol.40NO.4 P513-521

关键词： Oscillation;Hyperbolic equation;Distributed deviating arguments

摘要： In this paper, we consider a class of hyperbolic equations with functional arguments, and obtain sufficient conditions for the oscillation of solution ...

被引情况： sci被引 2 次

作者： Tian Pu;Guoqiang Ni （Tian Pu, Guoqiang NiBeijing Institute of Technology, Department of Optical Engineering, 441 Laboratory, Beijing,100081China）

出处： Optical Engineering 2000 Vol.39No.8 P2075-2082

关键词： image fusion;wavelet transform;directive contrast;multiresolution analysis;image processing

摘要： We introduce a contrast-based image fusion method using the wavelet multiresolution analysis. This method includes three steps. First, the multiresolu ...

被引情况： sci被引 80 次