Browsing M.S. Theses by Issue Date

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  • An investigation of the effect of CD, HG and ZN on the growth of two species of blue green algae 
    Ağlarca, Zeynep. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    In this research, effects of three metals, cadmium, mercury and zinc were investigated on two species of blue green algae, Anabaena flos aquae and Gloeocapsa. Cells were grown in sterile medium free of combined nitrogen ...
  • Preparation and properties of white-pine-PMMA composites 
    İnhan, Günseli Ayşe. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    Wood-polymer composites fromTurkish White pine (pinea siber)-Polymethylmethacrylate (PMMA), are prepared by heat catalysis method. Monomer loss during polymerization i s prevented by impregnation of wood in PMMA + MMA ...
  • Preparation of oleophilic perlite by polymer encapsulation 
    Bayraktar, Durata. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
    A new oil adsorbing material was synthezised' using expanded perlite . To render perlite oleophilic and hydrophobic it was coated with a suitable hydrocarbon polymer. Perlite was first size classified to assure uniformity ...
  • Trace element analysis of metallic artifacts from Gedikli hoard by atomic absorption spectroscopy 
    Benglian, Ani. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
    The object of this study was to determine the trace and alloying elements of the metal artifacts recovered from Gedikli during excavation between 1964-1967. Most of the artifacts were from a cremation burial sight dated ...
  • The predicted environmental distribution of substituted benzene derivatives 
    İşeri, Reyhan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1986., 1986.)
    The aim of this study is to calculate environmental equilibrium distributions of substituted benzenes and thus to indicate where each of them goes and what relative concentrations they adopt i n the environmental compartments. ...
  • A parametric study of laboratory scale manifacture of sodiumallysulfonate 
    Börekcioğlu, Pınar. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Scieence and Engineering, 1986., 1986.)
    The main aim of this work involyes the manufacture of sodium allylsulfonate from allylbromide and sodium sulfite by using laboratory scale testing of the commonly used industrial batch method(1). Yield of sodium allylsulfonate ...
  • The effect of selected pesticides on the growth and nitrogen fixation in cyanobacteria 
    Güner (Sıvacı), Sima. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1992., 1992.)
    Algae, in general, are the primitive form of higher plants and they are found in water bodies and in moist locations such as tree trunks, walls, rocks and damp soil. Many species are found in all parts of the world, from ...
  • Heterogeneous photocatalytic activity of transition-metal cation impregnated TiO2 
    Rakshandeh (Bazargan), Parisa Deljouie. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1993., 1993.)
    Irradiation of aqueous Ti02 dispersions containing metal ions with light of energy equal or greater than the bandgap of the catalyst. leads to a deposition on the semiconductor particle surface. This photodeposition process ...
  • Photocatalytic degradation of phthalic anhydride and dicarboxylic acids 
    Ökte, Ayşe Neren. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1994., 1994.)
    Exposure of Ti02 particles to light with an energy equal or greater than its bandgap leads to the creation of electrons and holes which are able to degrade toxic chemicals. In this study, in the presence of Degussa P25 ...
  • Conformational analysis of 2-[(4-substituted-phenyl)seleno]-1,3-dithianes: |a theoretical approach 
    Şenyurt, Nurcan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Sciences and Engineering, 1997., 1997.)
    In this study the conformational analysis of 2-(4-substituted-phenyl)seleno-1,3-dithiane with H, Cl, F, CH3, CF3, NO2, OCH3 and N(CH3)2 substituents have been studied computationally both in gas phase and in solvent with ...
  • Removal of impurities from copper and its alloys using ancient refining techniques 
    Uluocak, Berivan Bilge Gedik. . (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Sciences and Engineering, 1998., 1998.)
    There were two major objectives of this study both related to purification of impure copper metal using primitive refining techniques believed to have been used in antiquity. First part of the study was to remove iron ...
  • The isolation and identification of sesquiterpene lactone constituents of the plants Centaurea Cheirolopha Wagenitz and Centaurea Cuneifolia sm. 
    Yetüt, İzlem. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1998., 1998.)
    The aim of this study is the isolation and identification of the physiologically active terpenic constituents of the plants Centaurea cuneifolia Sm. (Compositae) and Centaurea cheirolopha Wagenitz (Compositae). Former ...
  • Synthesis and polymerization of plant oil monoglyceride maleates 
    Can, Erde. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    In this study, rigid thermoset polymers were synthesized from radical copolymerization of the soybean oil monoglyceride maleates with styrene. In the first part of the study, soybean oil monoglycerides (SOMG) were obtained ...
  • Conformational equilibria of alpha-substituted cyclohexanones with different chalcogens (O, S, Se) 
    Duran, Emine Sevim Dilek. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    The conformational analysis of alpha-substituted cyclohexanones with different chalcogens (OH, SH, SeH, OC6H5, SC6H5, SeC6H5) has been studied in gas phase with semi-empirical PM3 and ab initio HF/6-31G*. The para F, Cl, ...
  • Reactions of dichlorozirconocene with nitrogen containing heterocycles and related compounds 
    Ünal, A. Özge Akdeniz. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    In this study the reaction of 16 e- system, dichlorobiscyclopentadienyl- zirconium(IV) with N-containing, S-containing and thioamide containing ligands were studied. In the presence of a non-coordinating solvent, CH2Cl2, ...
  • Scrap rubber recycling in nitrile rubber composites 
    Şahin, Yeşim Müge. (Thesis (M.S.) - Bogazici University. Institute for Graduate studies in Science and Engineering, 2001., 2001.)
    In this study, scrap rubber were recycled by blending with nitrile rubber composites, having carbon black as filler. Resulting composites have been investigated, in terms of rheological and dynamic-static mechanical ...
  • Stereoisomers resulting from the hindered rotation in N-(o-ARYL)-2,4-oxazolidinedione derivatives 
    Ordu, Öznur Demir. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2001., 2001.)
    In this study, sterically hindered 5-methyl-3-(o-aryl)-2,4-oxazolidinediones and 5,5-dimethyl-3-(o-aryl)-2,4-oxazolidinediones have been synthesized by the reaction of the o-aryl isocyanates with (S)-(-)-ethyllactate or ...
  • Thermoset polyester with phase changeable fillers for heat storage 
    Çaylı, Gökhan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2003., 2003.)
    In this study, emulsions and sols of unsaturated polyester, containing phase changeable fillers (PCM) PEG-4000, paraffin, and Wood's metal, were prepared. Unsaturated polyester was the continuous phase and fillers were the ...
  • Synthesis and photopolymerizations of new methacrylate crosslinkers and antibacterial quanternary ammonium monomers 
    Ayfer, Burcu Sunam. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2004., 2004.)
    In the first part of this work, new amine monomers were synthesized from the reaction of 3-(acryloyloxy)-2-hydroxypropylmethacrylate (AHM), acrylamide and methacrylamide with various amines and then reacted with various ...
  • Modeling the structure-reactivity relationship of acrylates 
    Değirmenci, İsa. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    Photoinitiated polymerization of acrylates is one of the most common processes for therapid production of polymeric cross-linked materials with defined properties. Acrylicmonomers have different reactivity behavior during ...

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