Browsing Fen Bilimleri Enstitüsü by Title

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  • K-dominanat region in 2-D functionally graded materials under mixed mode loading 
    Altay, Gökce. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    The extent of K-dominant region around the crack tip of a functionally graded plate under mixed mode loading is investigated. A center cracked plate is used for the study. The stress intensity factors and T-stresses are ...
  • Kadison-Singer problem from a banach algebra perspective 
    Keçkin, Murat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    In 1959, Kadison and Singer asked whether every pure state of the diagonal subspace D(ℓ2) of B(ℓ2) has a unique pure state extension to B(ℓ2). This problem has remained open until 2013; in 2013 it has been solved by a team ...
  • Kara deliklerin hiç süpersaçı yoktur 
    Güven, Rahmi. (Thesis (Assoc. Prof.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1980., 1980.)
  • Katalitik hidrojen giderme reaksiyonlarının adsorplanma ve reaksiyon parametrelerinin gazkatı kromatografisi yöntemiyle incelenmesi 
    Önsan, Zeynep İlsen. (Thesis (Assoc. Prof.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1979., 1979.)
  • Katı fazda peptid sentezi 
    Yakalı, Emel. (Thesis (Assoc. Prof.) - Bogazici University. Institute of Science and Engineering, 1978., 1978.)
    In this work, the syntheses of three new peptides (XXIV-Xxvr, Table 2.2) , each containing 39 amino acids, are reported. N-t-butyloxy-carbonyl-p-choloro-L-phenylalanine (XXVIIa) and N-t-htyloxycarbmyl-L-2- aminoheptanoic ...
  • Keyword search by symbolic indexing 
    Sarı, Leda. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    The aim of keyword search (KWS) is to locate written queries in large amount of audio data such as archived news broadcasts, audio/video lectures, recorded customer call-center data or conversational speech. State of the ...
  • Keyword search for low resource languages 
    Gündoğdu, M. Batuhan. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    Retrieval of spoken content is one key endeavor, not only for finding the speech parts of interest, but also for an automated and facilitated speech mining towards better automatic speech recognition (ASR) systems. In ...
  • Keyword search for sign language 
    Tamer, Nazif Can. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Sign language is the main communication tool for the hearing impaired. However, the information retrieval from sign language is not as easy as in spoken languages. In this thesis, three methods of information retrieval are ...
  • Kinematics of dummies during crash using finite elements and multibody dynamics 
    Aşkan, Sertan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    First, multibody dynamics model of the occupant compartment is built using a commercial software, Madymo. Occupant results from Madymo model are compared to sled test results and Madymo model is calibrated to better simulate ...
  • Kinetic and thermodynamic aspects of reactions involving thiyl radicals :|a computational approach 
    Fındık,Volkan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    In this study, the kinetics of the addition of different phenylthio radicals on the thiol-ene reactions mechanism have been computationally investigated for the first time. The contributions of substituents are examined ...
  • Kinetic modeling of CO oxidation by genetic programming 
    Yarangüme, Verda. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    In this thesis, the kinetic modeling of CO oxidation was performed using genetic programming. A reaction rate equation was created from the experimental data, and then this equation was used to predict the mechanism of the ...
  • Kinetic study of selective CO oxdidation on Au/ Al2O3 catalyst 
    Demir, Mehtap. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Kinetic study of selective CO oxidation was performed over Au/Al2O3 catalyst prepared using homogeneous deposition-precipitation method. First, the alternative models proposed for the similar catalytic systems in the ...
  • Kinetic theory in k=0 Friedmann-Robertson-Walker cosmology 
    Tülümen, Nimet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In the thesis we calculated Boltzmann Equation in RW metric. After that in the at space-like slices we showed that for RW metric it is not possible to nd any equilibrium solutions. However we looked for the equilibrium ...
  • Kinetics of free radical bulk polymerization of methyl methacrylate 
    Hamurcu, Elif Gürel. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1990., 1990.)
    In this work, the free radical bulk polymerization of methyl methacrylate was studied at 22.5°C. Polymerization reactions were initiated by thermal decomposition of 2,2 -azobisisobutyronitrile (AIBN). Full range of conversion ...
  • Kinetics of low temperature CO oxidation over activated carbon supported Pt-CeOx catalyst 
    Gülyüz, Berrin. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Kinetics of low-temperature CO oxidation was studied both in the presence and in the absence of carbon dioxide and hydrogen over air-oxidized activated carbon supported Pt-CeOx catalyst prepared by sequential impregnation ...
  • Kinetics of low temperature co oxidation over activated carbon supported Pt-SnOx catalysts 
    Acun, Seda. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    This experimental study comprises a kinetic study of low-temperature CO oxidation both in the absence and presence of H2 over air-oxidized activated carbon supported 1wt.%Pt-0.25wt.%SnOx catalyst prepared by the sequential ...
  • Kinetics of selective CO oxidation in hydrogen-rich streams over Pt-Co-Ce/Al2O3 catalyst 
    Özyönüm, Göktuğ Nezihi. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    Kinetics of low temperature CO oxidation was studied in hydrogen-rich streams witha realistic gas composition using cobalt and ceria promoted Pt/Al2O3 catalyst prepared byincipient-to-wetness impregnation. All plausible ...
  • Klein tunneling in α- (BEDT-TTF) 2I3 organic compound 
    Nizam, Ümmü Seleme. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    The term Klein tunnelling refers to the counterintuitive phenomenon in which an incoming particle can perfectly transmit through a potential barrier even when the barrier height exceeds the particle’s rest energy. This ...
  • Knowledge extraction for fischer - tropsch synthesis using local learning approaches 
    Soylu, Ayça. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    In this study, local empirical models for Fischer-Tropsch Synthesis (FTS) were constructed by using machine learning algorithms on the experimental data published in the literature. CO conversion in FTS was modeled as a ...
  • Knowledge extraction for organometallic perovskite solar cells from published data in literature 
    Odabaşı, Çağla. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Orgonolead halide perovskite solar cells (PSCs) have been attracted great attention in recent years. This rapid progress is due to excellent light absorption and charge-carrier mobilities of the perovskite materials besides ...

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