作者： Xiao, DQ;Ling, Y;Fu, RN;Gu, JL;Zhao, ZT;Dai, RJ;Che, BQ;Luo, AQ （¹Beijing Inst Technol, Coll Chem Engn & Mat Sci, Beijing 100081, Peoples R China.）

出处： CHROMATOGRAPHIA 1998 Vol.47 No.9-10 P557-564

关键词： CAPILLARY GAS-CHROMATOGRAPHY

摘要： Five beta-cyclodextrin derivatives, heptakis[2,6-di-O-pentyl-3-O-(4-nitrobenzyl))-beta-CD (CD-I), heptakis [2,6-di-O-pentyl-3-O-(5-hexenyl)]- beta-CD( ...

作者： Wang, WX;Fan, TY;Zhang, LX （¹Inst Naval Serv, Tianjin 300450, Peoples R China. Beijing Inst Technol, Beijing 100081, Peoples R China.）

出处： SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY 1998 Vol.41 No.3 P313-323

摘要： By using the constructing function method, a systematic and strict analysis is carried out on the angular distribution field near a crack lip in a pow ...

作者： Li, GT;Kossmehl, G;Welzel, HP;Engelman, G;Hunnius, WD;Plieth, W;Zhu, HS （¹Free Univ Berlin, Inst Organ Chem, D-14195 Berlin, Germany. Tech Univ Dresden, Inst Phys & Elektrochem, D-01069 Dresden, Germany. Beijing Inst Technol, Res Ctr Mat Sci, Beijing 100081, Peoples R China.）

出处： MACROMOLECULAR CHEMISTRY AND PHYSICS 1998 Vol.199 No.10 P2255-2266

关键词： AMPEROMETRIC BIOSENSORS; COVERED ELECTRODES; ENZYME ELECTRODES; COVALENT BINDING; POLYPYRROLE; IMMOBILIZATION; POLYTHIOPHENE; 3-OCTYLTHIOPHENE; SURFACES; REAGENTS

摘要： With the synthesis of two new functionalized thiophene activated esters and their electrocopolymerization with 3-methylthiophene, two types of redox a ...

作者： Chen, W;He, B;Wei, GH （¹Beijing Inst Technol, Dept Opt Engn, Beijing 100081, Peoples R China.）

出处： LASERS IN MEDICAL SCIENCE 1998 Vol.13 No.3 P209-213

关键词： HUMAN COLON; MUCOSA

摘要： To evaluate the potential of laser-induced autofluorescence spectroscopy for the detection of premalignant lesions of human stomach, fluorescence prop ...

作者： Li, GT;Kossmehl, G;Welzel, HP;Plieth, W;Zhu, HS （¹Free Univ Berlin, Inst Organ Chem, D-14195 Berlin, Germany. Tech Univ Dresden, Inst Phys Chem & Elektrochem, D-01069 Dresden, Germany. Beijing Inst Technol, Res Ctr Mat Sci, Beijing 100081, Peoples R China.）

出处： MACROMOLECULAR CHEMISTRY AND PHYSICS 1998 Vol.199 No.12 P2737-2746

关键词： POLYMER COVERED ELECTRODES; ELECTROCHEMICAL COPOLYMERIZATION; ELECTROCATALYTIC PROPERTIES; CONDUCTING POLYMERS; COVALENT BINDING; REACTIVE GROUPS; POLYPYRROLE; REDUCTION; SURFACE; NITROBENZENE

摘要： Electrooxidative polymerization of three new p-nitrophenyl-functionalized thiophene derivatives leads to materials which show the electroactivities of ...

作者： Hou, ZG;Wu, CP;Bao, P （¹Beijing Inst Technol, Dept Automat Control, Beijing 100081, Peoples R China. Hong Kong Polytech Univ, Dept Comp, Kowloon, Hong Kong.）

出处： INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE 1998 Vol.29 No.2 P159-166

关键词： CIRCUIT

摘要： A neural scheme for hierarchical optimization of nonlinear large-scale systems is presented. The local optimization subnetworks and co-ordination subn ...

作者： Gou, BC;Deng, WS;Zhang, JP （¹Beijing Inst Technol, Beijing 100081, Peoples R China.）

出处： ACTA PHYSICA SINICA-OVERSEAS EDITION 1998 Vol.7 No.8 P561-566

关键词： LITHIUM; STATES; WIDTHS; LI

摘要： The energies, shifts, widths, and radiative rates of double excited Be+ resonances are calculated using the saddle point and saddle-point complex-rota ...

作者： Zhao, HK （¹Beijing Inst Technol, Dept Phys, Beijing 100081, Peoples R China.）

出处： COMMUNICATIONS IN THEORETICAL PHYSICS 1998 Vol.29 No.1 P33-42

关键词： PERSISTENT CURRENTS; COHERENCE

摘要： The relativistic quantum statistical properties of charged many-boson system with rest mass mo for each boson confined in a mesoscopic ring are invest ...

作者： Jin, WQ;Cao, FM;Zhou, LW （¹Beijing Inst Technol, Dept Optron Engn, Beijing 100081, Peoples R China.）

出处： INTERNATIONAL JOURNAL OF OPTOELECTRONICS 1998 Vol.12 No.2 P51-54

摘要： In this paper, the imaging theory for electrostatic and magnetic electron-optical systems having a curvilinear axis with any specified image rotation ...

作者： Wang, LQ;Feng, CG;Han, CS （¹Beijing Inst Technol, Mech & Engn Dept, Beijing 100081, Peoples R China. China Acad Engn Phys, Inst Fluid Phys, Chendu 610003, Peoples R China.）

出处： JOURNAL OF PROPULSION AND POWER 1998 Vol.14 No.4 P416-420

摘要： This paper is concerned with the shock ignition of pyrotechnic-composition, boron-potassium nitrate (B-KNO3) by means of a one-stage gas gun that is u ...