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  • 1
    Electronic Resource
    Electronic Resource
    The even massN=83 isotones in the generalized seniority scheme (1989)
    Springer
    The European physical journal 332 (1989), S. 1-7 
    Details
    ISSN: 1434-601X
    Keywords: 21.10.Dr ; 21.30.+Y ; 21.60.Cs
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The results of a calculation in the generalized seniority scheme for the odd-oddN=83 isotones is presented. Results are compared with data and with a calculation in the framework of the IBA model. From the latter estimates for parameters in the bosonfermion interaction have been obtained.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01292574
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Inhibition by Vitamin C of DNA adduct formation and arylamine N-acetyltransferase activity in human bladder tumor cells (2000)
    Springer
    Urological research 28 (2000), S. 235-240 
    Details
    ISSN: 1434-0879
    Keywords: Key words Vitamin C ; N-acetyltransferase ; 2-aminofluorene ; DNA adduct ; Bladder cancer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Previous studies have already demonstrated the protective role of vitamin C (ascorbic acid) in certain types of cancer. This study reports on the effects of vitamin C on arylamineN-acetyltransferase (NAT) activity and DNA adduct formation in a human bladder tumor cell (T24) line. The activity of NAT was measured using high-performance liquid chromatography (HPLC), by assaying for the amounts of acetylated 2-aminofluorene (AF) and p-aminobenzoic acid (PABA) and the remaining amounts of AF and PABA. T24 cells were used for examining NAT activity and carcinogen–DNA adduct formation. The results demonstrated that NAT activity and 2-aminofluorene–DNA adduct formation in T24 cells were inhibited and decreased by vitamin C in a dose-dependent manner. The apparent kinetic parameters (apparent values ofK m and V max) from T24 cells were also determined with and without vitamin C cotreatment. The data also indicated that vitamin C decreased the apparent values of K m and V max from T24 cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002400000130
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Robust Tracking and Model Following Control with Zero Tracking Error for Uncertain Dynamical Systems (2000)
    Springer
    Journal of optimization theory and applications 107 (2000), S. 169-182 
    Details
    ISSN: 1573-2878
    Keywords: state feedback ; robust tracking control ; model following control ; uncertain systems ; asymptotic tracking ; practical tracking
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract The problem of robust tracking and model following for a class of linear dynamical systems with time-varying uncertain parameters and disturbances is considered. A class of continuous (nonlinear) state feedback controllers is proposed for robust tracking of dynamical signals. The proposed robust tracking controllers can guarantee that the tracking error decreases asymptotically to zero in the presence of uncertain parameters and disturbances. A procedure for designing such a zero tracking state feedback controller is also introduced. Finally, a numerical example is given to demonstrate the validity of the results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1004665018593
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Decentralized robust control for a class of uncertain large-scale interconnected nonlinear dynamical systems (1996)
    Springer
    Journal of optimization theory and applications 91 (1996), S. 235-256 
    Details
    ISSN: 1573-2878
    Keywords: Large-scale interconnected systems ; decentralized control ; robust control ; uncertainties ; state feedback ; sufficient conditions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract The problem of the decentralized robust control for a class of large-scale interconnected nonlinear dynamical systems with input interconnection and external interconnection perturbations is considered. Based on the stabilizability of each nominal isolated subsystem (i.e., the isolated subsystem in the absence of interconnection perturbations), a class of decentralized local state feedback controllers is proposed, and some sufficient conditions are derived by making use of the Lyapunov stability criterion such that uncertain large-scale interconnected systems can be stabilized asymptotically by these decentralized state feedback controllers. For large-scale systems with only input interconnection perturbations, such decentralized controllers become a class of decentralized stabilizing state feedback controllers. That is, the decentralized stability of such large-scale systems can be guaranteed always by using the decentralized state feedback controllers proposed in the paper. Finally, a numerical example is given to demonstrate the validity of the results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02192291
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    Paper (German National Licenses)
    Fulltext
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