DSpace@Çankaya

Yayın tarihi için listeleme

Yayın tarihi için listeleme

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  • Sputtering yield and dynamical analysis of Ni(100) surface: A comparison of four different Ar-surface interaction potentials 
    Güvenç, Ziya B.; Hundur, Yakup; Hippler, Rainer (2000-04)
    The sputtering process of the Ar + Ni(100) collision system is investigated by means of constant energy molecular dynamics simulations. The Ni(100) is mimicked by an embedded-atom potential, and the interaction between the ...
  • Reactions of small Ni clusters with a diatomic molecule: MD simulation of D(2)+Ni(n) (n=7-10) systems 
    Durmuş, Perihan; Böyükata, Mustafa; Özçelik, Süleyman; Güvenç, Ziya B.; Jellinek, Julius (2000-05-20)
    The kinetics of the reactions of nickel clusters with a deuterium molecule are studied, Dissociative chemisorption probabilities of the D(2) molecule on the small Ni(n) (n=7-10) clusters are computed by a quasi-classical ...
  • Lax tensors and separable coordinates in (2+1) dimensions 
    Baleanu, Dumitru; Baskal, S. (2000-06-22)
    We study the Lax tensors of the separable coordinates in (2+1) dimensions. The Lax tensors of the dual manifolds are investigated.
  • Geometrization of the Lax pair tensors 
    Baleanu, Dumitru; Baskal, S. (World Scientific Publ CO PTE LTD, 2000-08-10)
    The tensorial form of the Lax pair equations are given in a compact and geometrically transparent form in the presence of Cartan's torsion tensor. Three-dimensional space-times admitting Lax tensors are analyzed in detail. ...
  • Measurement of effectiveness of on the job training -Turkish case 
    Kalemci, İpek (2001)
    Bu çalışma, işbaşında eğitimin nasıl oluşturulması gerektiği üzerinde durmuş ve eğitimin, özellikle işbaşında eğitimin etkinliğinin ölçülmesi sürecini incelemiştir. Bu tez, işbaşında eğitim programlarının oluşturulmasındaki ...
  • An approach to noise reduction in human skin admittance measurements 
    Kondakçı, Süleyman (IEEE, 2001)
    This paper presents the development of a signal averaging algorithm for recovering excitation responses contaminated by overwhelming amount of various types of interference in skin admittance measurements. The algorithm ...
  • Efficiency evaluation of the averaging noise reduction system 
    Kondakçı, Süleyman (IEEE, 2001)
    This paper presents the development of a method for estimation of denoising performance performed by an averaging algorithm presented in an earlier work Ill. The method was designed to evaluate statistical results when the ...
  • Chemometric quantitative analysis of pyridoxine HCl and thiamine HCl in a vitamin combination by principal component analysis, classical least squares, and inverse least squares techniques 
    Dinç, Erdal; Baleanu, Dumitru; Onur, Feyyaz (Marcel Dekker Inc, 2001)
    Three chemometric techniques were described for the analysis of pyridoxine hydrochloride and thiamine hydrochloride within a vitamin combination in the presence of spectral interferences. For these techniques, the training ...
  • Nonnormal regression. i. skew distributions 
    Islam, M. Qamarul; Tiku, M. L.; Yıldırım, F. (Marcel Dekker Inc, 2001)
    In a linear regression model of the type y = thetaX + e, it is often assumed that the random error e is normally distributed. In numerous situations, e.g., when y measures life times or reaction times, e typically has a ...
  • Symmetries of NUT-Kerr-Newman dual metrics 
    Baleanu, Dumitru (Editrice Copmpositori Bologna, 2001)
    The symmetries of NUT-Kerr-Newman (NUT-KN) dual metrics are analysed. The NUT-Kerr-Newman dual spinning space is constructed in the presence of torsion.
  • Hamilton-Jacobi quantization of constrained systems 
    Baleanu, Dumitru; Güler, Yılmaz (Inst Physics Acad Sci Czech Republic, 2001)
    The path integral quantization of contrained systems is analysed using Hamilton-Jacobi formalism. The integrability conditions are investigated and the results are in agreement with those obtained by Dirac's method.
  • Fragmentation of water clusters: molecular-dynamics simulation study 
    Erkoç, S.; Kökten, Hande; Güvenç, Ziya B. (Springer Verlag, 2001)
    The fragmentation of water clusters, [(H2O)(n): n = 2-8], have been investigated by using molecular-dynamics simulation method. In the simulations a polarizable-dissociable potential energy function for water has been used. ...
  • Multi-Hamilton-Jacobi quantization of O(3) nonlinear sigma model 
    Baleanu, Dumitru; Güler, Yurdahan (World Scientific Publ CO PTE LTD, 2001)
    The O(3) nonlinear sigma model is investigated using multi-Hamilton-Jacobi formalism. The integrability conditions are investigated and the results are in agreement with those obtained by Dirac's method. By choosing an ...
  • The hamilton-jacobi treatment of supersymmetric quantum mechanics 
    Baleanu, Dumitru; Güler, Yurdahan (World Scientific Publ CO PTE LTD, 2001)
    We study the Hamilton-Jacobi quantization of supersymmetric quantum mechanics. The equations of motion of the Grassmann variables are obtained from the integrability conditions. The results are in agreement with those ...
  • Dual metrics for a class of radiative space-times 
    Baleanu, Dumitru; Baskal, S. (World Scientific Publ CO PTE LTD, 2001)
    Second-rank nondegenerate Killing tensors for some subclasses of space-times admitting parallel null one-planes ace investigated. Lichnerowicz radiation conditions are imposed to provide a physical meaning to space-times ...
  • Nonnormal regression. II. Symmetric distributions 
    Tiku, M. L.; Islam, M. Qamarul; Selçuk, A. S. (Taylor&Francis INC, 2001)
    Salient features of a family of short-tailed symmetric distributions, introduced recently by Tiku and Vaughan [1], are enunciated. Assuming the error distribution to be one of this family, the methodology of modified ...
  • Hamilton-Jacobi treatment of a non-relativistic particle on a curved space 
    Baleanu, Dumitru; Güler, Yurdahan (IOP Publishing LTD, 2001)
    In this paper a non-relativistic particle moving on a hypersurface in a curved space and the multidimensional rotator are investigated using the Hamilton-Jacobi formalism. The equivalence with the Dirac Hamiltonian formalism ...
  • Hukuki Açıdan Rekabet Etiği 
    Efem, Gül (2001)
    1990’lı yıllar batıda özellikle ABD’de etik sorunların gündeme geldiği, meslek etiği gibi konuların tartışılmaya başlandığı yıllar olmuştur. Giderek kar maksimizasyonu, sosyal sorumluluk, verimlilik, ahlak kuralları ve ...
  • Dynamics of the D(2)+Ni(100) collision system: Analysis of the reactive and inelastic channels 
    Böyükata, Mustafa; Güvenç, Büşra; Jackson, Bret; Jellinek, Johanna (Wiley-Blackwell, 2001)
    The reactive and scattering channels of the D(2)(v, j) + Ni(100) collision system are studied using quasiclassical molecular dynamics simulations. The interaction between the D(2) and the atoms of the surface is modeled ...
  • Structure and reactivity of Ni(n) (n=7-14, 19) clusters 
    Böyükata, Mustafa; Güvenç, Ziya B.; Özçelik, Süleyman; Durmuş, Perihan; Jellinek, Julius (Wiley-Blackwell, 2001)
    Results of a computer simulation study of Ni(n) (n = 7-14, 19) clusters, their structures, energetics, and reactivity with a D(2) molecule are presented. The clusters are described by an embedded atom potential, whereas ...