作者: MEI Feng-Xiang,SHANG Mei (School of Science Beijing Institute of Technology Beijing)
出处: 中国物理快报:英文版 2008 第25卷 第11期 P3837-3839
关键词: 哈密尔敦系统;微积分;数学物理;乘数
摘要: We study an application of the Jacobi last multiplier to a generalized Hamilton system. A partial differential equation on the last multiplier of the ...
作者: 王志福,张承宁 (School of Mechanical and Vehicular Engineering,Beijing Institute of Technology)
出处: 北京理工大学学报(英文版) 2008 第4期 P395
关键词: electric;vehicle;(EV);motor\'\'s;temperature;rising;model;reference;adaptive;system;(MARS);resistance;identification
摘要: A new method to calculate the motor temperature rising in electric vehicle (EV) is proposed based on the stator resistance identification. The measure ...
作者: CHANG Ping,SHAO Bin,WANG Zhao-Ming,ZOU Jian (Department of Physics,Beijing Institute of Technology,Beijing)
出处: 中国物理快报:英文版 2008 第25卷 第3期 P1098-1101
关键词: 缠结;变数;空穴现象;约瑟夫森效应
摘要: We consider a composite system of two remote mesoscopic Josephson junctions interacting locally with a two-mode non-classical cavity field and investi ...
作者: 吴锋,孙艳,辛宝平,李丽 (School of Chemical Engineering and the Environment,Beijing Institute of Technology)
出处: 北京理工大学学报(英文版) 2008 第4期 P489
关键词: spent;MH/Ni;batteries;bioleaching;nickel;cobalt
摘要: The Acidithiobacillus ferrooxidans(At.f) and Acidithiobacillus thiooxidans (At.t) were used in bio-dissolution experiments of heavy metals in spent MH ...
作者: 卓智海,单涛,陶然 (School of Information Science and Technology,Beijing Institute of Technology)
出处: 北京理工大学学报(英文版) 2008 第4期
关键词: cross-ambiguity;function;pre-weight;zoom;fast;Fourier;transform;(FFT);multistage;filtering
摘要: A novel method based on zoom fast Fourier transform(FFT) is proposed for minimizing the burden processing of cross-ambiguity functions without affecti ...
作者: 胡冰,徐晓文,何芒 (School of Information Science and Technology Beijing Institute of Technology;School of Information Science and Technology;Beijing Institute of Technology;Beijing;China;)
出处: 北京理工大学学报(英文版) 2008 第17卷 第2期 P208-211
关键词: radome;antenna;physical;optics;PO;method;of;moments;MOM
摘要: An efficient hybrid method based on the method of moments(MOM)and physical optics(PO)for the analysis of radiation characteristics of an electrically ...
作者: Jing Zhang,Yan Xia Wang,Feng Kang,Ying Ya Shao,Zong Jie Li,Xin Lin Yang (School of Life Science and Technology,Beijing Institute of Technology,Beijing 100081,China)
出处: 中国化学快报(英文版) 2008 第10期
关键词: Fullerene;α-amino;acid;conjugates;N-Substituted;3,4-fullero;pyrrolidine;Synthesis
摘要: Aspartie acid and glutamic acid with protected α-amino and α-carboxyl groups had been used to react with the activated hydroxyl group of N-substituted ...
作者: MEI Feng-Xiang,XIE Jia-Fang,GANG Tie-Qiang (Department of Mechanics, Beijing Institute of Technology, Beijing 100081, China)
出处: 理论物理通讯:英文版 2008 第49卷 第6期 P1413-1416
关键词: weakly;Noether;symmetry;conserved;quantity;nonholonomic;systems;of;Chetaev\'s;type
摘要: In the paper [J. of Beijing Institute of Technology 26 (2006) 285] the authors provided the definition of weakly Noether symmetry. We now discuss the ...
作者: Fengxiang Mei,Jiafang Xie,Tieqiang Gang (Faculty of Science,Beijing Institute of Technology,Beijing 100081,China)
出处: 力学学报:英文版 2008 第5期 P583
关键词: 方程式;共型不变性;对称性;物理
摘要: In this article, generalized Birkhoff equations are put forward by adding supplementary terms to the Birkhoff equations. A conformal invariance of the ...
作者: ZHANG Jian,SHAO Bin,ZOU Jian (Department of Physics, Beijing Institute of Technology, Beijing 100081, China)
出处: 理论物理通讯:英文版 2008 第49卷 第6期 P1463-1467
关键词: intrinsic;decoherence;entropy;exchange;entanglement;the;lower;bound;of;concurrence
摘要: By considering the intrinsic decoherence effect, we investigate the entropy exchange and entanglement in the interacting system of a superconducting c ...
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