Browsing Fen Bilimleri Enstitüsü by Title

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  • 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 ...
  • Knowledge extraction for the steam reforming of methane from the published papers in the literature using data mining techniques 
    Baysal, Meltem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    The aim of this thesis is to extract a general knowledge about the steam reforming of methane and to create models representing the data accumulated in the literature. The experimental data were collected from published ...
  • Knowledge extraction from experimental and computational data for selective CO oxidation and water gas shift reaction using data mining techniques 
    Günay, Mehmet Erdem. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The objective of this dissertation is to apply various data mining techniques for knowledge extraction from experimental and computational data to improve catalyst design and testing conditions for selective CO oxidation ...
  • Knowledge extraction from published papers in literature for the catalytic methanol production from synthesis gas using data mining tools 
    Moskov, Dennis. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In this work, a database for methanol synthesis was constructed from published liter-ature to extract knowledge and to build models to help the future studies. The database was built with 357 data points showing the effects ...
  • Knowledge management in construction companies : development of a web-based database system 
    Karataş, Cenap Göktuğ. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Companies struggle against complex and dynamic conditions in order to survive in their business settings. Being in the knowledge era, learning has been accepted as one of the main sources of sustainable competitive advantage. ...
  • Kırklareli, Demirköy Ottoman ironworks: a technological investigation 
    Dervişoğlu, Rıza. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    This study was part of a multidisciplinary industrial archaeology project. The objective of the project was to investigate social, economic and technical aspects of Ottoman iron production technologies during the eighteenth ...
  • Lagrangean heuristic fio the capacitated multi-facility location allocation problem 
    Avcı, Buket. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In this study, we consider the capacitated multi-facility location-allocation problem, also called multi-facility Weber problem. It is concerned with the determination of the location of m new facilities having known ...
  • Laminar force convection heat transfer in some noncircular pipes 
    Ergen, Mehmet Murat. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1982., 1982.)
    In this study, solutions to forced, convection heat transfer problems in fully developed laminar flow are obtained for Newtonian fluids with constant properties. Internal flow for square, triangular and elliptical ...
  • Langlands reciprocity principle for GL(n) 
    Barbaros, Bahri Fatih. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    Langlands program is one of the most significant areas of research in modern mathematics as it asserts a connection between number theory, representation the ory and automorphic forms. Langlands program is basically a study ...
  • Large deviations principles for Markov chains and for strongly additive arithmetic functions 
    Yenisey, Mehmet. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Large deviations is a branch of probability theory with far-reaching applications in other elds of science and can be described to the layperson as the study of \very rare" events. We provide a modest introduction to the ...
  • Large displacement interface shear behavior of landfill cover materials 
    Elmas, Barış. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Landfill cover materials have stability and large displacement problems, therefore it is important to determine the interface shear behavior of these materials. In this study, large displacement direct shear and interface ...
  • Large strain shear modulus of sand as a function of confinement and relative density 
    Soltanbeigi, Behzad. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Shear modulus of soils (G) is dependent on so many factors, such as, plasticity, mineralogy of soil particles and particle shape, relative density, overburden pressure, shear strain magnitude, number of cycles and some ...
  • Laser assisted growth of silicon nano-structures 
    Demirbaş, Elif. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    In this study, the aim is to produce homogeneous porous silicon(PS) nanostructures and then to observe the effect of resistivity of starting silicon samples. P-type silicon wafers with di erent resistivity are prepared by ...

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