作者： Shang Mei;Guo Yong-Xin;Mei Feng-Xiang （¹Beijing Inst Technol, Fac Sci, Beijing 100081, Peoples R China. Liaoning Univ, Dept Phys, Shenyang 110036, Peoples R China.）

出处： CHINESE PHYSICS 2007 Vol.16 No.2 P292-295

关键词： CONSERVED QUANTITIES; LIE SYMMETRIES; MECHANICAL SYSTEMS; FORM INVARIANCE; DYNAMICAL-SYSTEMS; VARIABLE MASS; CONSTRAINTS

摘要： In this paper, a Birkhoff-Noether method of solving ordinary differential equations is presented. The differential equations can be expressed in terms ...

作者： Wu Yanqing （¹Beijing Inst Technol, State Key Lab Explos Sci & Technol, Beijing 100081, Peoples R China.）

出处： RARE METAL MATERIALS AND ENGINEERING 2007 Vol.36 No.12 P2109-2113

关键词： MG ALLOY; BEHAVIOR; PHASES

摘要： The great change of LY12 alloy property took place after the alloy underwent high temperature and low strain rates (elongation up to 17%) followed by ...

作者： Yang, Xinlin;Chen, Lin;Qiao, Xinge;Fan, Cuihong （¹Beijing Inst Technol, Sch Life Sci & Technol, Beijing 100081, Peoples R China.）

出处： INTERNATIONAL JOURNAL OF TOXICOLOGY 2007 Vol.26 No.3 P197-201

关键词： INTRACELLULAR CALCIUM; CYTOTOXICITY

摘要： The biological activities of fullerene derivatives have attracted much attention in the last decade. In this paper, effects of dimalonic acid C-60 (DM ...

作者： Guo, Jin-Yu;Ma, Gui-Xia;Zhang, Tong-Lai;Zhang, Jian-Guo;Liu, Yan-Hong （¹Beijing Inst Technol, State Key Lab Explos Sci & Technol, Beijing 100081, Peoples R China.）

出处： TRANSITION METAL CHEMISTRY 2007 Vol.32 No.4 P413-418

关键词： CRYSTAL-STRUCTURE; COMPLEX-COMPOUNDS; CARBOHYDRAZIDE

摘要： Two coordination compounds have been synthesized using semicarbazide as ligand-[NidSCZ)(3)](NO3)(2) (1) and Cu(SCZ)(2)Cl-2 (2). (1) crystallized as th ...

作者： Chen Hong-Yan;Zhang Tong-Lai;Zhang Jian-Guo;Yang Li;Qiao Xiao-Jing （¹Beijing Inst Technol, State Key Lab Explos Sci & Technol, Beijing 100081, Peoples R China.）

出处： CHINESE JOURNAL OF CHEMISTRY 2007 Vol.25 No.1 P59-62

关键词： THERMAL-DECOMPOSITION MECHANISM; CRYSTAL-STRUCTURE; MOLECULAR-STRUCTURE

摘要： The title complex [K-3(TNPG)(.)(H2O)(2)](n) was synthesized by the reaction of the aqueous solutions of trinitrophloroglucinol (TNPG) with KHCO3. The ...

作者： Guo Kunyi¹;Sheng Xinqing¹ （¹ Beijing Inst Technol, Ctr Electromagnet Simulat, Sch Informat Sci & Technol, Beijing 100081, Peoples R China.）

出处： JOURNAL OF SYSTEMS ENGINEERING AND ELECTRONICS 2007 Vol.18 No.4 P685-691

摘要： A simulation approach based on a full-wave numerical method is presented to study electromagnetic characteristics by complex targets. How to validate ...

作者： Yue, Baozeng （¹Beijing Inst Technol, Sch Sci, Dept Mech, Beijing 100081, Peoples R China. Ctr Math & Comp Sci, Amsterdam, Netherlands.）

出处： PHYSICAL REVIEW E 2007 Vol.76 No.5

关键词： GRAY-SCOTT MODEL; STATIC SPIKE AUTOSOLITONS; UNEQUAL DIFFUSION RATES; CUBIC AUTOCATALYSIS; TRAVELING WAVES; STABILITY; PATTERNS; SYSTEM; EQUILIBRIA; EXISTENCE

摘要： In this work, we carried out an extensive numerical exploration of the delicate global dynamics of pulse self-replication and analyzed the stability o ...

作者： Li, Xia¹;Xue, Wei¹;Jiang, Yurong¹;Wang, Huaqing¹;Yu, Zhinong¹ （¹ Beijing Inst Technol, Sch Informat Sci & Technol, Dept Photoelect Engn, Beijing 100081, Peoples R China.）

出处： CHINESE OPTICS LETTERS 2007 Vol.5 No.11 P665-667

摘要： The optimized method of extending the omni-photonic band gap (omni-PBG) was discussed based on analyzing the P-wave reflectivity characteristics in on ...

作者： Lin, Ye;Qian, Qin;Feng Zeng-Guo;Zhang Xiao-Wen;Ying, Bai;Feng, Wu （¹Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China. Beijing Inst Technol, Sch Chem Engn & Environm, Beijing 100081, Peoples R China. Ctr Hitech Green Mat, Lab Natl Dev, Beijing 100081, Peoples R China.）

出处： POLYMER INTERNATIONAL 2007 Vol.56 No.5 P660-665

关键词： POLYURETHANE BASED ELECTROLYTES; IONIC-CONDUCTIVITY; COMPOSITE ELECTROLYTE; LITHIUM BATTERIES; MORPHOLOGY; TRANSPORT; TPU

摘要： A comb-like polyether, poly(3-2-[2-(2-methoxyethoxy)ethoxy]ethoxymethyl-3'-methyloxetane) (PMEOX), was reacted with hexamethylene diisocyanate and ext ...

作者： Shi, Fu-Gui;Li, Hong-Yan （¹Beijing Inst Technol, Dept Math, Beijing 100081, Peoples R China. Shandong Inst Business & Technol, Dept Math, Yantai 264005, Peoples R China.）

出处： FUZZY SETS AND SYSTEMS 2007 Vol.158 No.13 P1511-1513

关键词： POINT

摘要： As an extension of To separation axiom in general topology, R To axiom and s-T-0 axiom were introduced in I-fuzzy topological spaces by Yue and Fang [ ...