作者: Jin Xiang DONG,Li Li XIE,Hong XU,Feng WU,Jin HAO (Jin Xiang DONG(Taiyuan University of Technology, Research Institute of Special Chemicals, Taiyuan 030024);Li Li XIE(Beijing Institute of Technology, Department of Chemical Engineering, Beijing 100081);Hong XU(Taiyuan University of Technology, College of Information Engineering, Taiyuan 030024))
出处: 中国化学快报(英文版) 2002 第1期 P91-94
关键词: Microwave;dielectric;heating;zeolite;FAU
摘要: Zeolite FAU was heated directly by microwave irradiation at 2450 MHz in an open system without special loading materials. It was discovered that zeol ...
作者: Sun Fengchun,Chen Yong,ZHANG Chengning,Sun Liqing (School of Vehicle and Transportation Engineering,Beijing Institute of Technology,Beijing 100081,China)
出处: 机械工程学报(英文版) 2002 第1期 P57-61
关键词: Electric;bus;Storage;battery;Electric;motor;Range;Performance;characteristics
摘要: 0 INTRODUCTION*Human being has waked up to come to face with more and more serious environmental pollution and energy crisis,decrease of emission and ...
作者: 李显方,范天佑 (College of Science, Hunan Normal University, Changsha,410081, P R China;Research Center for Materials Science, Beijing Institute of Technology,Beijing,100081, P R China)
出处: 应用数学和力学(英文版) 2002 第23卷 第2期 P194-202
关键词: piezoelectric;ceramics;clectroelastic;field;anti-plane;shear;problem;impermeable;crack
摘要: Electroelastic behavior of a cracked piezoelectric ceramics plate subjected to four cases of combined mechanical-electrical Ioads is analyzed. The int ...
作者: HE Zhi Min (Department of Applied Mathematics and Applied Software, Central South University, Changsha 410083, P. R. China;Department of Applied Mathematics, Beijing Institute of Technology, Beijing 100081, P. R. China)
出处: 数学学报(英文版) 2002 第18卷 第2期 P253-262
关键词: Impulsive;functional;differential;equation;Upper;and;lower;solution;Monotone;iterative;technique;Periodic;boundary;value;problem
摘要: This paper uses the method of upper and lower solutions and the monotone iterativetechnique to investigate the existence of maximal and minimal soluti ...
作者: Liu Yingdong,Li Zhengyuan,Ye Qixiao (Department of Mathematics,Peking University;Department of Applied Mathematics,Beijing Institute of Technology)
出处: Journal of Systems Science and Complexity 2002 第15卷 第1期 P89-101
关键词: global;stability;differential;inequalities;Liapunov;functionals
摘要: In this paper methods of differential inequalities and Liapunovfunctionals for proving the global stability of constant equilibria ofreaction-diffusio ...
作者: 李德华,王凌,高春清,张治国,冯宝华,Volker Gaebler,刘百宁,H.J.Eichler,张世文,刘安汉,沈德忠 (Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing;North China Research Institute of Electro-Optics,Beijing;Research Institute of Synthetic Crystal, P.O. Box 733, Beijing;Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing;Optical Engineering Department, Beijing Institute of Technology, Beijing 100081 (permanent address);Optical Instit ute, Technical University Berlin, Strasse de 17 Juni 135, D- 10623 Berlin, Germany)
出处: 中国物理快报(英文版) 2002 第19卷 第4期 P504-506
关键词: 激光器;Q-开关;存储
摘要: We carried out the operation of an intracavity frequency-doubled self-Q-switched Nd, Cr: YA G /KNbO3 946/473 nm microchip laser pumped by a Ti:sapphir ...
作者: 陈向炜,罗绍凯,梅凤翔 (Department of Physics, Shangqiu Teachers College, Shangqiu, Henan 476000, P R China;Department of Physics, Shangqiu Teachers College, Shangqiu, Henan 476000, P R China;Institute of Mathematical Mechanics and Mathematical Physics,Changsha University, Changsha 410003, P R China;Department of Applied Mechanics, Beijing Institute of Technology,Beijing 100081, P R China)
出处: 应用数学和力学(英文版) 2002 第23卷 第1期
关键词: constrained;Birkhoffian;system;form;invariance;Noether;symmetry
摘要: The form invariance of constrained Birkhoffian system is a kind of invariance of the constrained Birkhoffian equations under infinitesimal transformat ...
作者: Pang Siping,Yu Yongzhong,Zhao Xinqi (School of Chemical Engineering and Material Science,Beijing Institute of Technology)
出处: 含能材料 2002 第10卷 第2期 P66-68
关键词: N-benzyl;oxidation;debenzylation;acetylation
摘要: The oxidative reactivity of hexabenzylhexaazaisowutzitane (HBIW) under different conditions was studied. It was found that the N-benzyl groups were fo ...
作者: LIU Yingdong,LI Zhengyuan,YE Qixiao (Department of Mathematics,Peking University,Beijing 100871,China;Department of Applied Mathematics,Beijing Institute of Technology,Beijing 100081;Institute of Mathematics,Peking University Beijing 100871,China)
出处: 系统科学与复杂性学报(英文版) 2002 第15卷 第1期 P89-101
关键词: Global;Stability;DIFFERENTIAL;INEQUALITIES;Liapunovfunctionals
摘要: In this paper methods of differential inequalities and Liapunov functionals for proving the global stability of constant equilibria of reaction-diffus ...
作者: PANG Si-ping,Yü Yong-zhong,ZHAO Xin-qi (School of Chemical Engineering and Material Science, Beijing Institute of Technology, Beijing 100081, China)
出处: 含能材料 2002 第2期 P66-68
关键词: N-benzyl;oxidation;debenzylation;acetylation
摘要: The oxidative reactivity of hexabenzylhexaazaisowutzitane(HBIW)under different conditions was studied. It was found that the N-benzyl groups were foun ...
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