作者: WANG Liang-yu,ZHANG Yun-hong,ZHAO Li-jun (Department of chemistry, Beijing Institute of Technology, Beijing, China, 100081)
出处: 光散射学报 2005 第17卷 第1期 P32-34
关键词: 醋酸钠;醋酸镁;拉曼光谱
摘要: 应用拉曼光谱和电动态平衡技术研究了单滴醋酸钠和醋酸镁的过饱和溶液,特别是对在不同相对湿度条件下的结构变化以及接触离子对的形成进行了详细讨论。
作者: HUANG Fuling,CAO Chuanbao,ZHU Hesun (Research Center of Material Science, Beijing Institute of Technology, Beijing 100081, China)
出处: 科学通报(英文版) 2005 第50卷 第7期
关键词: carbon;nitride;nanotubes;solvothermal;syntheses;C3N3Cl3;catalytic;self-assembly
摘要: A solvothermal reaction of anhydrous C3N3Cl3 and sodium using cyclohexane as solvent and NiCl2 as catalyst precursor has been carried out to prepare c ...
作者: WANG Liang-yu,ZHANG Yun-hong,LI Xiao-hong (Department of chemistry, Beijing Institute of Technology, Beijing, China, 100081)
出处: 光散射学报 2005 第17卷 第1期 P24-26
关键词: 共焦显微拉曼光谱;气溶胶微粒;硫酸镁
摘要: 应用共焦显微拉曼光谱技术研究了硫酸镁气溶胶微粒。在基片的不同位置得到了不同形态的微粒,并对其相应的结构变化进行了详细探讨
作者: 殷鹏刚,赵俊芳,关君,高凤新,徐文国 (School of Science;Beijing Institute of Technology;Beijing100081;China;State Key Laboratory for Superlattices and Microstructure;Institute of Semiconductors Chinese Academy of Sciences;Beijing 100083;China)
出处: 北京理工大学学报(英文版) 2005 第2期 P199-202
关键词: nitrogen;clusters;ab;initio;N2n(n=12-18)
摘要: Ab initio quantum mechanical method has been applied to nitrogen cages N_ 2n (n=12-18). Full geometry optimization, harmonic vibrational frequency and ...
作者: 王晓丽,焦清介,陈明华,李国新 (State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing100081, China ,State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing100081, China ,Ordance Technology Research Institute, Ordnance Engineering College, Shijiazhuang050003, China ,State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing100081, China)
出处: 北京理工大学学报(英文版) 2005 第3期 P279-283
关键词: explosive;film;evaporation;source;substrate;temperature;free;path;evaporation;rate
摘要: The evaporation source of evaporated explosive was designed and improved based on the inherent specialties of explosive. The compatibility of explosiv ...
作者: Tao, QC (Tao, QC);He, XH (He, XH);Deng, HB (Deng, HB);Liu, Y (Liu, Y);Zhao, J (Zhao, J) (College of Electronic Information, Sichuan University, Chengdu 610064, China School of Information Engineering, Beijing Institute of Technology, Beijing 100081)
出处: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2005 Vol.3804 No.1 P396-405
摘要: Point spread function (PSF) estimation, an essential part for image restoration, has no accurate estimation algorithm at present. Based on the wavelet ...
作者: Shiguo, D.12;Jun, Y.2;Tonglai, Z.1;Haiping, C.2;Jinzhi, L.2; (Key Laboratory of Prevention and Control of Explosion and Disasters of Beijing Institute of Technology, Beijing, 100081 China)
出处: Key Engineering Materials 2005 Vol.280-283 No.II P1033-1034
关键词: Al_2O_3 fine powders;surface modification;heterogeneous azeotropic distillation
摘要: In this paper the surfaces of Al_2O_3 fine powders with average size of 500nm were modified by heterogeneous azeotropic distillation process. IR spect ...
作者: HUANG Ru-dan,LI Juan,ZHANG Jing (Department of Chemistry,School of Science,Beijing Institute of Technology,Beijing 100081,P. R. China;Key Laboratory of Rare Earth Chemistry and Physics,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,P. R. China;Department of Chemistry,Normal College,Beihua University,Jilin 132013,P. R. China)
出处: Chemical Research in Chinese Universities 2005 第1期 P1-3
关键词: Polyoxometallates;Nanoparticles;α-Keggin;structure;Optical;activity
摘要: Polyoxometallates Co(en) 3PMo 12O 40·8H 2O(+,-)[abbreviated as PMo 12-Co(+,-)], nanoparticles were synthesized by the chemical precipitatio ...
作者: 李文正,郭巧,郭为民 (Network Information Center, Beijing Institute of Technology, Beijing 100081, P.R. China;Boshengtuo Network Technology Co., Ltd., Beijing 100022, P.R. China)
出处: 上海大学学报(英文版) 2005 第9卷 第2期 P143-146
关键词: load;balancing;content;distribution;networks;(CDN);domain;name;system;(DNS)
摘要: Load and traffic balancing for the Internet are analyzed. An intelligent domain name system(DNS) policy for the control and management of content dist ...
作者: 李文正,郭巧,郭为民 (Network Information Center;Beijing Institute of Technology;Beijing 100081;P.R. China;Boshengtuo Network Technology Co.;Ltd.;Beijing 100022;P.R. China)
出处: Journal of Shanghai University 2005 第2期 P143-146
关键词: load;balancing;content;distribution;networks;(CDN;);domain;name;system;(DNS)
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