作者： Hao, Xiao-Yan¹;Zhou, Zhi-Ming¹;Xue, Wei-Zhe¹;Yin, Jie^1,2 （¹ Beijing Inst Technol, Sch Chem Engn & Environm, Beijing 100081, Peoples R China. ;² Beijing Technol & Business Univ, Sch Chem & Environm Engn, Beijing 100037, Peoples R China.）

出处： CHINESE JOURNAL OF ORGANIC CHEMISTRY 2008 Vol.28 No.10 P1756-1760

关键词： DIRECTED ORTHO; METALATION

摘要： Ortho-lithiated O-phenyl carbamates treated by DMF offered a feasible general route to construct ortho-hydroxybenzaldehydes regioselectively, and in-s ...

作者： Cao, Peng¹;Sun, Shanli^2,3 （¹ Beijing Inst Technol, Dept Math, Beijing 100081, Peoples R China. ;² Beihang Univ, LMIB, Beijing 100083, Peoples R China. ;³ Beihang Univ, Dept Math, Beijing 100083, Peoples R China.）

出处： STUDIA MATHEMATICA 2008 Vol.186 No.3 P267-274

关键词： INVARIANT SUBSPACES

摘要： It is proved that if J(i) is a Jordan operator on a Hilbert space with the Jordan decomposition J(i) = N-i + Q(i), where N-i is normal and Q(i) is com ...

作者： Zhu Shizhen¹;Ma Hongli²;Zhang Xianghua²;Xu Qiang¹ （¹ Beijing Inst Technol, Sch Mat Sci & Technol, Beijing 100081, Peoples R China. ;² Univ Rennes 1, CNRS, Lab Verres & Ceram, UMR 6512, F-35042 Rennes, France.）

出处： RARE METAL MATERIALS AND ENGINEERING 2008 Vol.37 P256-260

关键词： PARTICLES

摘要： Cubic nano ZnS powders have been successfully prepared by using TAA (CH3CSNH2) as source of S-2.. The use of Na2S as sintering agent allows to lower t ...

作者： Wu Xiuling¹;Tan Chengwen² （¹ N Univ China, Coll Mech Engn & Automatizat, Taiyuan 030051, Peoples R China. ;² Beijing Inst Technol, Beijing 100081, Peoples R China.）

出处： RARE METAL MATERIALS AND ENGINEERING 2008 Vol.37 No.6 P1111-1113

关键词： ADIABATIC SHEAR BANDS; MICROSTRUCTURAL EVOLUTION; STEEL

摘要： In order to find the reason that the strain localization take places easily under high strain rate loading, AZ31 magnesium alloy was impacted by compr ...

作者： He, Jianfeng¹;Li, Jing² （¹ Beijing Inst Technol, Dept Phys, Sch Sci, Beijing 100081, Peoples R China. ;² Jilin Univ, Minist Educ, Key Lab Supermol Struct & Mat, Changchun 130012, Peoples R China.）

出处： JOURNAL OF MATHEMATICAL CHEMISTRY 2008 Vol.43 No.2 P693-700

关键词： POTENTIAL-ENERGY SURFACE; CLASSICAL TRAJECTORIES; ATMOSPHERIC REACTION; RATE CONSTANTS; DYNAMICS

摘要： We have presented the reaction probability and the reaction cross-section of N(S-4)+ O-2(X-3 Sigma(-)(g)) -> NO(x(2)Pi)+ O(P-3) reaction by the quasi- ...

作者： Xie, L.¹;Petersen, I. R.² （¹ Beijing Inst Technol, Dept Automat Control, Beijing 100081, Peoples R China. ;² Univ New S Wales, Univ Coll, Sch Informat Technol & Elect Engn, Australian Def Force Acad, Canberra, ACT 2600, Australia.）

出处： IET CONTROL THEORY AND APPLICATIONS 2008 Vol.2 No.9 P782-794

关键词： QUADRATIC DIFFERENTIAL-GAMES; LIMITATIONS; ACCURACY; TRACKING; DESIGN; ROBUST

摘要： A robust linear quadratic regulation problem with cheap control is studied for a class of uncertain systems with norm-bounded uncertainty or integral ...

作者： Hongya, Gao¹;Tong, Li^1,2 （¹ Hebei Univ, Coll Math & Comp, Baoding 071002, Peoples R China. ;² Beijing Inst Technol, Sch Management & Econ, Beijing 100081, Peoples R China.）

出处： ACTA MATHEMATICA SCIENTIA 2008 Vol.28 No.1 P163-170

摘要： The authors first give the definition of degenerate weakly (K-1, K-2)-quasiregular mappings using the technique of exterior power and exterior differe ...

作者： Wei, X. X.¹;Yu, Y.¹;Bi, Y.¹ （¹ Beijing Inst Technol, Sch Aerosp Sci & Technol, Dept Mech & Engn, State Key Lab Explos Sci & Technol, Beijing 100081, Peoples R China.）

出处： INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES 2008 Vol.50 No.10-11 P1499-1509

关键词： VALENCE-BAND; CIRCULAR-CYLINDERS; FINITE CYLINDERS; MOBILITY; LOAD; ELECTRON; FIELD

摘要： An analytical solution for inhomogeneous strain distributions within a finite cylinder of silicon under the double-punch test is obtained. The stress ...

作者： Ning JianGuo¹;Liu HaiFeng^1,2;Shang Lin¹ （¹ Beijing Inst Technol, State Key Lab Explos Sci & Technol, Beijing 100081, Peoples R China. ;² Ningxia Univ, Sch Civil & Hydraul Engn, Yinchuan 750021, Peoples R China.）

出处： SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY 2008 Vol.51 No.11 P1745-1760

关键词： HIGH-STRAIN RATES; FRACTURE; DAMAGE; STRENGTH; DUCTILE

摘要： Based on the theory of consecutive damage mechanics, micro-mechanics, statistics and the visco-plastic constitutive equation of Perzyna, a coupled mod ...

作者： Wu Qin^1,2;Han Ming-han¹;Xin Hong-liang¹;Dong Bin-qi¹;Jin Yong¹ （¹ Tsinghua Univ, Dept Chem Engn, Beijing 100084, Peoples R China. ;² Beijing Inst Technol, Sch Chem Engn & Environm, Beijing 100081, Peoples R China.）

出处： SPECTROSCOPY AND SPECTRAL ANALYSIS 2008 Vol.28 No.2 P282-284

关键词： ALKYLATION; OXIDE; PYRIDINE; BENZENE; SILICA; SITES

摘要： The acidity of chloroaluminate ionic liquids and the interaction mechanism of Lewis acid site Al2Cl7- of chloroaluminate ionic liquid and pyridine wer ...