Güncel Gönderiler: Scopus İndeksli Yayınlar Koleksiyonu
Toplam kayıt 570, listelenen: 341-360
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Optical and surface properties of LiFePO<inf>4</inf> thin films prepared by RF magnetron sputtering
(Springer New York LLC, 2015)LiFePO<inf>4</inf> thin films with thickness values of 65 nm and 70 nm were deposited onto glass substrates by RF magnetron sputtering, using a LiFePO<inf>4</inf> target in the argon atmosphere. A comprehensive study of ... -
Analysis of patent documents with weighted association rules
(Elsevier Inc., 2015)Analysis of relationship among various technologies may result in technology maximizing profits. Weighted association rules are proposed to determine dependencies across technologies. The proposed approach recognizes uneven ... -
Characterization of functional properties of enterococcus faecium strains isolated from human gut
(National Research Council of Canada, 2015)The aim of this work was to characterize the functional properties of Enterococcus faecium strains identified after isolation from human faeces. Of these isolates, strain R13 showed the best resistance to low pH, bile ... -
Spectral features, electric properties, NBO analysis and reactivity descriptors of 2-(2-Benzothiazolylthio)-Ethanol: Combined experimental and DFT studies
(Elsevier, 2015)(Chemical Equation Presented). Quantum chemical calculations of ground state energy, geometrical structure and vibrational wavenumbers, nuclear magnetic behaviors, electronic absorption spectra along with the nonlinear ... -
The effects of heat treatment on the synthesis of nickel ferrite (NiFe2O4) nanoparticles using the microwave assisted combustion method
(Elsevier, 2015)NiFe2O4nanoparticles were synthesized using the microwave assisted combustion method based on metal nitrate salts and urea. To remain of organic matters and to stabilize the particles, samples were thermally treated at ... -
Numerical modeling of cold powder compaction using multi particle and continuum media approaches
(Elsevier, 2015)Numerical analysis of powder compaction process requires multi-particle modeling approach as continuum models fail to simulate the nature of process (e.g. interparticle, and particle-die interactions), accurately. This ... -
Effect of Er doping on the superconducting properties of porous MgB2
(Indian Academy of Sciences, 2015)MgB2 bulk sample with porous structure was produced by using the in-situ solid-state reaction method under argon (Ar) atmosphere of 10 bar. Elemental Er in powder form was doped into MgB2 with different compositions ... -
Possible association between erectile dysfunction and osteoporosis in men
(2015)Sexual dysfunction in general and erectile dysfunction (ED) in particular significantly affect men's quality of life. Some patients who have ED, also develop osteoporosis. So, in this study we investigated the relationship ... -
Evaluation of polycyclic aromatic hydrocarbons in Circassian cheese by high-performance liquid chromatography with fluorescence detection
(Academic Press Inc., 2015)Polycyclic aromatic hydrocarbons (PAH) in traditional/industrial smoked and unsmoked Circassian cheeses available in Turkish markets were analysed using solid-phase extraction, followed by high-performance liquid chromatography ... -
Thermoeconomic optimization of gas turbine cogeneration plants
(Elsevier Ltd, 2015)In this study, a novel thermoeconomic optimization method that is simple and efficient, for real complex cycles is introduced. First, a thermoeconomic analysis method that is called non-linear simplex direct search method ... -
Direct and fast growth of GaAs thin films on glass and polyethylene terephthalate substrates using a thermionic vacuum arc
(Springer New York LLC, 2015)Using a thermionic vacuum arc, single?crystal gallium arsenide (GaAs) layers of micron thickness were grown on PET and glass substrates in 2 min. We present a new deposition mechanism and parameters for GaAs thin films ... -
Optimum design of composite steel frames with semi-rigid connections and column bases via genetic algorithm
(Techno Press, 2015)A genetic algorithm-based minimum weight design method is presented for steel frames containing composite beams, semi-rigid connections and column bases. Genetic Algorithms carry out optimum steel frames by selecting ... -
Building parameter analysis with S-UTD-CH model in multiple diffraction [Çoklu Kirinimlarda EKDZ Modeliyle Bina Parametrelerinin De?işiminin Analizi]
(Institute of Electrical and Electronics Engineers Inc., 2015)Electromagnetic wave propagation models are used in radio planning tool and coverage prediction. These models are based on ray tracing technique or numerical. Slope UTD with convex hull model is a model which has less ... -
Optimum design of steel frames with semi-rigid connections and composite beams
(Techno Press, 2015)In this paper, an optimization process using Genetic Algorithm (GA) that mimics biological processes is presented for optimum design of planar frames with semi-rigid connections by selecting suitable standard sections from ... -
Optimum design of steel space frames with composite beams using genetic algorithm
(Techno Press, 2015)This paper presents an optimization process using Genetic Algorithm (GA) for minimum weight by selecting suitable standard sections from a specified list taken from American Institute of Steel Construction (AISC). The ... -
Analysis of technological pedagogical content knowledge studies in Turkey: A meta-synthesis study
(Turkish Education Association, 2015)The purpose of this research is to analyze the Technological Pedagogical Content Knowledge (TPACK) studies in Turkey by using meta-synthesis method and to present the type of tendency in this field. In the research, a total ... -
Thermoeconomic analyses of steam injected gas turbine cogeneration cycles
(Polish Academy of Sciences, 2015)In this study, three different gas turbine cogeneration systems that are preheating air, preheating air-fuel and simple cycles where steam injected in to combustion chamber are analyzed. The effects of steam injection on ... -
Writing and its use as a learning tool from teachers’ perspective: Instrument development and a pilot implementation [Öğretmen Perspektifinden Yazma ve Yazmanın Öğrenme Amaçlı Kullanımı: Ölçme Envanteri Geliştirme ve Pilot Uygulama]
(Ankara University, 2015)The aim of this study is to develop a measurement instrument to investigate science teachers’ perceptions toward writing and the use of writing as learning strategies in their learning environments. Aligned with the focus ... -
The effect of concept cartoons to academic achievement in instruction on the topics of divisibility
(Gokkusagi LTD. STI., 2015)The purpose of this study was compared to the effect of academic achievement of concept cartoons and activity based instruction in instruction on the topics of divisibility rules and prime number. The matching- only design, ... -
The effect of self-construal on statue and role-relaxed consumption
(Mediterranean Center of Social and Educational Research, 2015)Consumer behavior researches indicate that individuals prefer the products which are compatible with themselves. For instance, individuals with highly independent-self take into account the functional benefits whereas ...
