作者： Qi, ML;Wang, P;Zhou, L;Sun, Y （¹Beijing Inst Technol, Sch Chem Engn & Mat Sci, Dept Chem, Beijing 100081, Peoples R China. Shenyang Pharmtech Inst Pharmaceut, Shenyang 110015, Peoples R China.）

出处： CHROMATOGRAPHIA 2003 Vol.58 No.3-4 P183-186

关键词： PSEUDOEPHEDRINE HYDROCHLORIDE; CHLORPHENIRAMINE MALEATE; ACETAMINOPHEN; CAFFEINE; PHASE

摘要： A rapid and accurate LC method is described for simultaneous determination of pseudoephedrine hydrochloride (PSE), acetaminophen (AMP), dextromethorph ...

作者： Shi, QF;Yan, XQ;Hou, MY;Niu, XJ;Lu, KQ （¹Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China. Beijing Inst Technol, Dept Phys, Beijing 100081, Peoples R China.）

出处： CHINESE SCIENCE BULLETIN 2003 Vol.48 No.7 P627-629

关键词： PARTICLE-SIZE SEGREGATION; SEPARATION; SHAKING; MATTER; MODEL

摘要： We report the experimental observations of the segregation patterns in initially well mixed copper and glass spheres subjected to a vertical sinusoida ...

作者： Huang, RD;Liu, FC;Li, YG;Yuan, M;Wang, EB;De, GH;Hu, CW;Hu, NH;Jia, HQ （¹NE Normal Univ, Dept Chem, Inst Polyoxometalate Chem, Changchun 130024, Jilin, Peoples R China. Beijing Inst Technol, Sch Chem Engn & Mat Sci, Beijing 100081, Peoples R China. Chinese Acad Sci, Changchun Inst Appl Chem, Changchun 130022, Peoples R China.）

出处： INORGANICA CHIMICA ACTA 2003 Vol.349 P85-90

关键词： HYDROTHERMAL SYNTHESIS; POLYMER; TUNNEL

摘要： Two novel organic-inorganic hybrid compounds, (H(2)enMe)(4)(H3O)[Ni(enMe)(2)].[Na3Mo12O52P8(OH)(10)].5H(2)O (1) and (H(2)enMe)(4)(H3O)[Cu(enMe)(2)].[N ...

作者： Guo, YH;Hu, CW （¹Beijing Inst Technol, Dept Chem, Beijing 100081, Peoples R China. NE Normal Univ, Fac Chem, Changchun 130024, Peoples R China.）

出处： JOURNAL OF CLUSTER SCIENCE 2003 Vol.14 No.4 P505-526

关键词： LAYERED DOUBLE HYDROXIDES; KEGGIN-TYPE; HETEROPOLY COMPOUNDS; MOLECULAR-OXYGEN; ACID CATALYSTS; DEGRADATION; SILICA; DECOMPOSITION; WATER; PHOTODEGRADATION

摘要： This paper reviews a series of new and water-tolerant porous POM-containing hybrid photocatalysts with different pore sizes. These materials were prep ...

作者： Yang, GS;Hou, CZ;Dou, LH （¹Chinese Acad Sci, Inst Automat, Beijing 100080, Peoples R China. Beijing Inst Technol, Dept Automat Control, Beijing 100081, Peoples R China.）

出处： CHINESE JOURNAL OF ELECTRONICS 2003 Vol.12 No.3 P381-384

关键词： DATA ASSOCIATION; CLUTTER

摘要： A direction tracking gate based on the pseudo-direction concept, and the concrete method of constructing the direction gate are presented in this pape ...

作者： Cheng, XM;Wang, YT;Hao, Q;Sasian, J （¹Beijing Inst Technol, Dept Optoelect Engn, Beijing 100081, Peoples R China. Univ Arizona, Ctr Opt Sci, Tucson, AZ 85721 USA.）

出处： APPLIED OPTICS 2003 Vol.42 No.7 P1309-1317

摘要： A mechanism is established for the automatic addition and deletion of optical elements during the course of lens optimization. Two lens-form parameter ...

作者： Qi, YJ;Wang, YH;Hu, CW;Cao, MH;Mao, L;Wang, EB （¹NE Normal Univ, Inst Polyoxometalate Chem, Changchun 130024, Peoples R China. Beijing Inst Technol, Dept Chem, Beijing 100081, Peoples R China.）

出处： INORGANIC CHEMISTRY 2003 Vol.42 No.25 P8519-8523

关键词： CRYSTAL-STRUCTURE; COMPLEXES; SILVER(I); CHAINS; NETWORKS; SQUARE

摘要： A new family of single-stranded helices coordination polymers with mixed ligands, [M-2(phen)(2)(e,a-cis-1,4-chdC)(2)(H2O)(2)](n) (1, M = Co; 2, M = Ni ...

作者： Gonzales, JM;Barden, CJ;Brown, ST;Schleyer, PV;Schaefer, HF;Li, QS （¹Univ Georgia, Ctr Computat Quantum Chem, Athens, GA 30602 USA. Beijing Inst Technol, Sch Chem Engn & Mat Sci, Beijing 100081, Peoples R China.）

出处： JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 2003 Vol.125 No.4 P1064-1071

关键词： DENSITY-FUNCTIONAL THEORY; CORRELATION-ENERGY; PI-AROMATICITY; ANIONS; ANTIAROMATICITY; THERMOCHEMISTRY; STABILIZATION; CATION; APPROXIMATION; FLUORIDES

摘要： The adiabatic electron affinities of cyclopentadiene and 10 associated benzannelated derivatives have been predicted with both density functional and ...

作者： Wu, XF;Dzenis, YA;Fan, TY （¹Univ Nebraska, Ctr Mat Res & Anal, Dept Engn Mech, Lincoln, NE 68588 USA. Beijing Inst Technol, Coll Sci, Dept Appl Phys, Beijing 100081, Peoples R China.）

出处： INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE 2003 Vol.41 No.15 P1699-1710

关键词： SEMI-INFINITE CRACK; CLOSED-FORM SOLUTION; LAYERS; MODEL; MEDIA; ZONE

摘要： The complex stress intensity factor and energy release rate are obtained for two semi-infinite interfacial cracks between two bonded dissimilar elasti ...

作者： Wang, B;Liu, W;Wang, GJ;Liao, B;Wang, JJ;Zhu, MK;Wang, H;Yan, H （¹Beijing Polytech Univ, China Educ Minist, Key Lab Adv Funct Mat, Beijing 100022, Peoples R China. Beijing Inst Technol, Dept Elect Engn, Beijing 100081, Peoples R China. Liaocheng Univ, Dept Phys, Liaocheng 252059, Peoples R China.）

出处： MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY 2003 Vol.98 No.3 P190-192

摘要： With negative bias, cubic silicon carbide (beta-SiC) films were grown on silicon wafers by plasma-enhanced chemical vapor deposition at lower substrat ...