作者： Guo, BZ;Han, JQ;Xi, FB （¹Acad Sinica, Inst Syst Sci, Acad Math & Syst Sci, Beijing 100080, Peoples R China. Beijing Inst Technol, Dept Appl Math, Beijing 100081, Peoples R China.）

出处： INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE 2002 Vol.33 No.5 P351-358

关键词： NOTCH FILTER

摘要： A simple linear tracking-differentiator is proposed and the convergence proved for any differentiable signal with random perturbation to be tracked. T ...

作者： Ou, WB;Wang, RS;Zhou, HM （¹Tsinghua Univ, Sch Life Sci & Engn, Dept Biol Sci & Biotechnol, Beijing 100084, Peoples R China. Beijing Inst Technol, Sch Chem Engn & Mat Sci, Beijing 100081, Peoples R China. Tsinghua Univ, Sch Life Sci & Engn, Minist Educ, Prot Sci Lab, Beijing 100084, Peoples R China.）

出处： BIOCHEMISTRY AND CELL BIOLOGY 2002 Vol.80 No.4 P427-434

关键词： ORGANIC-SOLVENTS; ACTIVE-SITES; LYSOZYME; DENATURATION; REACTIVATION; ENZYMES; STRESS

摘要： The effects of dimethyl sulfoxide (DMSO) on creatine kinase (CK) conformation and enzymatic activity were studied by measuring activity changes, aggre ...

作者： Jiu, JT;Fu, Q;Wang, H;Zhu, HS （¹Beijing Inst Clothing Technol, Dept Mat & Engn, Beijing 100029, Peoples R China. Beijing Inst Technol, Res Ctr Mat Sci, Beijing 100081, Peoples R China.）

出处： JOURNAL OF INORGANIC MATERIALS 2002 Vol.17 No.3 P571-578

关键词： MECHANICAL-PROPERTIES; AMORPHOUS-CARBON; ELECTROLYSIS; TEMPERATURE; RAMAN; SPECTROSCOPY; PLASMA; GROWTH; CVD

摘要： Hydrogenated diamond-like carbon (DLC) films were prepared by using a liquid phase electrodeposition technique. The effect of applied potential and ca ...

作者： Guo, D;Wang, YL;Xia, JT;Li, LT;Gui, ZL （¹Tsing Hua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China. Beijing Inst Technol, Sch Chem Engn & Mat Sci, Beijing 100081, Peoples R China.）

出处： JOURNAL OF INORGANIC MATERIALS 2002 Vol.17 No.4 P845-851

摘要： Application of the artificial neural network (ANN) to the formulation design of BaTiO3 based dielectrics was carried through for the first time. Based ...

作者： Zhao, JG;Shao, B;Wang, TH （¹Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China. Beijing Inst Technol, Beijing 100081, Peoples R China.）

出处： ACTA PHYSICA SINICA 2002 Vol.51 No.6 P1355-1359

摘要： The properties of current transport in InAs/GaAs self-assembled quantum dots and the influence of schottky diode are investigated. Hystereses and step ...

作者： Ou, WB;Wang, RS;Lu, J;Zhou, HM （¹Tsing Hua Univ, Dept Biol Sci & Biotechnol, Beijing 100084, Peoples R China. Beijing Inst Technol, Sch Chem Engn & Mat Sci, Beijing 100081, Peoples R China. Tsing Hua Univ, Sch Life Sci & Engn, Minist Educ, Prot Sci Lab, Beijing 100084, Peoples R China.）

出处： INTERNATIONAL JOURNAL OF BIOCHEMISTRY & CELL BIOLOGY 2002 Vol.34 No.8 P970-982

关键词： CARBONIC-ANHYDRASE-B; CONFORMATIONAL-CHANGES; ACTIVE-SITES; DENATURATION; UREA; INACTIVATION; PROTEIN; INTERMEDIATE; FLUORESCENCE; EQUILIBRIUM

摘要： The aspartate (Asp)-induced unfolding and the salt-induced folding of creatine kinase (CK) have been studied by measuring enzyme activity, fluorescenc ...

作者： Chen, XW;Luo, SK;Mei, FX （¹Shangqiu Teachers Coll, Dept Phys, Shangqiu 476000, Henan, Peoples R China. Beijing Inst Technol, Dept Appl Mech, Beijing 100081, Peoples R China. Changsha Univ, Inst Math Mech & Math Phys, Changsha 410003, Peoples R China.）

出处： APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION 2002 Vol.23 No.1 P53-57

摘要： The form invariance of constrained Birkhoffian system is a kind of invariance of the constrained Birkhoffian equations under infinitesimal transformat ...

作者： Li Xian-Fang (李显方)¹;Fan Tian-You (范天佑)²; （¹ College of Science, Hunan Normal University, Changsha, Hunan 410081, China;² Department of Applied Physics, Beijing Institute of Technology, Beijing 100081, China）

出处： Chinese Physics B 2002 Vol.11 No.3 P266-271

关键词： quasi-crystal;crack;elastic field;energy release rate;singularity

摘要： The elastic analysis of a mode II Griffith crack penetrating through a decagonal quasi-crystal along the periodic axis is made within the context of t ...

作者： Wang, J;Wu, F;Shan, ZQ （¹Beijing Inst Technol, Coll Chem Engn & Mat, Beijing 100081, Peoples R China. Natl Dev Ctr Hi Tech Green Mat, Beijing 100081, Peoples R China.）

出处： ACTA PHYSICO-CHIMICA SINICA 2002 Vol.18 No.2 P97-99

摘要： Microcrystalline magnesium containing a small amount of manganese (i. e. microcrystal Mg (Mn)) has been prepared by an arc vaporization-condensation m ...

作者： Qi, ML;Wang, P;Leng, YX;Gu, JL;Fu, RN （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 2002 Vol.56 No.5-6 P295-298

关键词： SIMULTANEOUS ASSAY; HYDROCHLORIDE; PARACETAMOL

摘要： A simple, rapid and accurate, routine-HPLC method is described for simultaneous determination of acetaminophen, caffeine and chlorpheniramine maleate ...