作者: Li Jian,Zou Jian,Shao Bin (Department of Physics,Beijing Institute of Technology)
出处: Communications in Theoretical Physics 2008 第50卷 第6期 P1312-1316
关键词: state;transfer;entanglement;transfer;quantum;gate;coupled;cavity;array
摘要: We consider a one-dimensional array of L identical coupled cavities, and each cavity is doped with a two-level qubit. Experimentally, it has been deve ...
作者: Xie Jia-Fang,Mei Feng-Xiang,Gang Tie-Qiang (Department of Mechanics,Beijing Institute of Technology)
出处: Communications in Theoretical Physics 2008 第50卷 第4期 P844-846
关键词: weak;Noether;symmetry;non-Noether;conserved;quantity;general;holonomic;system
摘要: A new kind of weak Noether symmetry for a general holonomic system is defined in such a way that the methods to construct Hojman conserved quantity an ...
作者: JAFRI Ali Raza,黄强,杨洁,张伟民 (School of Aerospace Science and Engineering,Beijing Institute of Technology)
出处: 北京理工大学学报(英文版) 2008 第4期
关键词: motion;planning;obstacle;negotiation;humanoid;robot;step;over;step;on/off;third;order;spline;interpolation
摘要: The motion planning for obstacle negotiation by humanoid robot BHR-2 through stepping over or stepping on/off the wide and flat obstacle at known loca ...
作者: 黄晋英1,2;潘宏侠1;毕世华2;杨喜旺3; (1School of Mechanical Engineering and Automatization, North University of China;2School of Aerospace Science and Technology, Beijing Institute of Technology;3School of Electronic and Computer Science Technology, North University of China)
出处: 中南工业大学学报(英文版) 2008 第15卷 第A2期 P409-415
关键词: PSO;blind;source;separation;fault;diagnosis;fault;information;enhancement;gearbox
摘要: Blind source separation (BBS) technology was applied to vibration signal processing of gearbox for separating different fault vibration sources and en ...
作者: J.R.Zhang,A.Rachid,Y.Zhang (Beijing Institute of Technology,School of Aerospace Science and Engineering, 100081 Beijing, China;Univercite de Picardie-Jules Verne, 80000 Amiens, France)
出处: 力学学报:英文版 2008 第4期 P463
关键词: 微控制力矩陀螺仪;敏捷人造卫星;姿态控制;航天技术
摘要: The stability and singularity problem of agile small satellite (ASS) with actuator failure is discussed in this paper. Firstly, the three-axis stabili ...
作者: HOU Zhi-Ling,ZHANG Liang,YUAN Jie,SONG Wei-Li,CAO Mao-Sheng (School of Materials Science and Engineering, Beijing Institute of Technology, Beijing;School of Science, Beijing University of Chemical Technology, Beijing;School of Materials Science and Engineering, Beijing Institute of Technology, Beijing;School of Materials Science and Engineering, Beijing Institute of Technology, Beijing;School of Mathematics and Computer Science, Central University of Nationalities, Beifing)
出处: 中国物理快报:英文版 2008 第25卷 第6期 P2249-2252
关键词: 二氧化硅;氮化硅;纳米复合物;高温介电反应
摘要: The high-temperature dielectric properties of SiO2/Si3N4 nanocomposites are investigated theoretically and experimentally. Its permittivities and loss ...
作者: LU Chang-Hong,SHI Qing-Fan,YANG Lei,SUN Gang (Department of Physics, Beijing Institute of Technology, Beijing;Institute of Physics, Chinese Academy of Sciences, Beijing;Department of Physics, Beijing Institute of Technology, Beijing;Institute of Physics, Chinese Academy of Sciences, Beijing)
出处: 中国物理快报:英文版 2008 第25卷 第7期 P2542-2545
关键词: 偏析效应;粒度;空气压力;混合物;密度
摘要: We investigate the segregation effect of binary granular mixtures with the same size but different densities under vibration at different air pressure ...
作者: 李杰,赵辉,孙瑞敏,罗运军 (School of Material Science and Engineering Beijing Institute of Technology;School of Material Science and Engineering;Beijing Institute of Technology;Beijing 100081;China;China Research Center of Functional Materials;Kaifeng University;Kaifeng 475001)
出处: 北京理工大学学报(英文版) 2008 第17卷 第1期 P104-108
关键词: nano-SiO2;hyperbranched;poly(amine-ester);one-step;polycondensation;dispersion;and;stability
摘要: Nano-SiO2 was modified using silane coupling agent(KH-550) and hyperbranched poly(amine-ester) respectively,and Poly(vinyl chloride)(PVC)/modified nan ...
作者: Sheng Jun Luo,Wan Long Pan,Ying Nan Chi,Yan Qing Xu,Kun Lin Huang,Chang Wen Hu (The Institute for Chemical Physics,and Department of Chemistry,Beijing Institute of Technology,Beijing 100081,China;State Key Laboratory of Explosion 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: Admantanamine;Trinitrobenzene;Pyrolysis;Thermally;stable
摘要: 1-(1-Adamantylamino)-2,4,6-trinitrobenzene(1)as a potential energy material has been synthesized in excellent yield and characterized by FT-IR,1H NM ...
作者: 王强,罗生军,曹敏花,胡长文 (School of Science Beijing Institute of Technology;School of Science;Beijing Institute of Technology;Department of Chemistry;Northeast Normal University;Beijing 100081;China;Changchun 130024;China State Key Laboratory of Explosion Science and Technology)
出处: 北京理工大学学报(英文版) 2008 第1期 P87-91
关键词: 2PbCO3·Pb(OH)2;microcrystal;catalytic;behavior;transesterification;diphenyl;carbonate
摘要: Polyhedron lead hydroxide carbonate(2PbCO3·Pb(OH)2) microcrystals have been prepared in solution phase via a facile method in the presence of surfacta ...
已保存题录(0)