Browsing Fakülteler by Language "eng"
Now showing items 121-140 of 198
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Novel metal-free and metallophthalocyanines containing four 21-membered pentathiadiaza macrocycles: synthesis, characterization, and study of aggregation properties
(SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2014)Metal-free phthalocyanine 3 and its metallophthalocyanine derivatives 4, 5, and 6 (M = Zn, Co, and Ni) substituted with four 21-membered pentathiadiaza macrocycles were synthesized and their structures identified by elemental ... -
Novel packing materials for open liquid desiccant system
(ELSEVIER SCIENCE BV, 2016)The objective of this study is to design and test a liquid dehumidification system that can operate with a maximum performance under atmospheric conditions without any mass transfer problems. For this purpose, polycarbonate ... -
Numerical investigation of flow and heat transfer in communicating converging and diverging channels
(Yildiz Technical University, 2018)Fluid flow and heat transfer in communicating converging and diverging channel has been numerically investigated. Channels are assumed to be at constant wall temperature and the flow is assumed to be steady state and ... -
Numerical solutions of the mrlw equation using moving least square collocation method
(ANKARA UNIV., 2017)In this paper, the Modified Regularized Long Wave (MRLW) equation is solved by using moving least square collocation (MLSC) method. To show the accuracy of the used method several numerical test examples are given. The ... -
Optimization of Cutting Parameters in Hole Machining Process by Using Multi-objective Taguchi Approach
(GAZI UNIV., 2018)In this study, effects of drilling parameters on the various surface roughness characteristics; arithmetic average roughness (Ra), geometric average roughness (Rq) and average maximum height of the profile (Rz) in the wet ... -
Optimization of geometrically nonlinear lattice girders. Part I: considering member strengths
(VILNIUS GEDIMINAS TECH UNIV., 2015)In this study, the entire weight, joint displacements and load-carrying capacity of tubular lattice girders are simultaneously optimized by a multi-objective optimization algorithm, named Non-dominated Sorting Genetic ... -
Optimization of machining parameters in face milling using multi-objective taguchi technique
(UNIV NORTH, 2018)In this research, the effect of machining parameters on the various surface roughness characteristics (arithmetic average roughness (Ra), root mean square average roughness (Rq) and average maximum height of the profile ... -
Optimization of the pool boiling heat transfer in the region of the Isolated bubbles using the ABC algorithm
(ISFAHAN UNIV TECHNOLOGY, 2019)The region of the isolated bubble regime, in which the bubbling starts, is a very significant process for boiling heat transfer. In this study, Artificial Bee Colony algorithm (ABC), which is mainly based on the searching ... -
Palladium nanoparticles generated in situ used as catalysts in carbonylative cross-coupling in aqueous medium
(ROYAL SOC CHEMISTRY, 2016)Pd NPs, obtained in situ from imidazole complexes Pd(im)(2)Cl-2 (im - methylimidazole, butylimidazole), efficiently catalyze the carbonylative Suzuki coupling in water at 80 degrees C and 1 atm of CO. In the catalytic ... -
Palladium(II) Complexes of Monodentate Phosphine Ligands and Their Application as Catalyst in Suzuki-Miyaura C-C Coupling Reaction at Room Temperature
(Turkish Chemical Society, 2018)A series of palladium(II) complexes from monodentate phosphine ligands (1a-4a) were successfully prepared and characterized with1H,31P,13C NMR, and HRMS techniques. These pre-catalysts were applied for the Suzuki-Miyaura ... -
Particle induced nuclear reaction calculations of Boron target nuclei
(EDP SCIENCES., 2017)Boron is usable element in many areas such as health, industry and energy. Especially, Boron neutron capture therapy (BNCT) is one of the medical applications. Boron target is irradiated with low energy thermal neutrons ... -
Performance and economic analysis of a variable refrigerant flow (VRF) system.
(ÇUKUROVA ÜNİV., 2017)This study deals with the exergetic modeling and performance/cost evaluation of a variable refrigerant flow (VRF) air conditioning system. An experimental setup was established to investigate the system performance under ... -
Performance improvement potentials of low global warming potential refrigerants for intercity bus air conditioning system
(Serbian Society of Heat Transfer Engineers, 2018)In this study, theoretical investigation of two evaporator ejector refrigeration system was carried out based on energy and exergy analysis using R134a and low global warming potential refrigerants (namely R1234yf and ... -
Performance of counter flow membrane-based annular pipe liquid desiccant air conditioner
(PERGAMON-ELSEVIER SCIENCE LTD,, 2020)The present study comprises an experimental and numerical simulation of a counter flow membrane-based annular pipe liquid desiccant air conditioner (AP_LDAC) system. The experimental rig was constructed by using DuPont ... -
Photoredox cross-coupling: Ir/NidDual catalysis for the synthesis of Benzylic Ethers
(AMER CHEMICAL SOC., 2015)Single-electron transmetalation has emerged as an enabling paradigm for the cross-coupling of C-sp(3) hybridized organotrifluoroborates. Cross-coupling of alpha-alkoxymethyl-trifluoroborates with aryl and heteroaryl bromides ... -
Pollen analyses and antimicrobial properties of the natural honey from the east mediterranean part of anatolia
(ZOOLOGICAL SOC PAKISTAN, 2019)The pollen analysis of eight floral honey samples from Kahramanmaras region were analyzed and seven samples were the unifloral and the one was the multifloral origin. The microscopical analyses indicated that 61 taxa (41 ... -
Polynomial affine translation surfaces in euclidean 3-Space
(SOC PARANAENSE MATEMATICA, 2019)In this paper we study the polynomial affine translation surfaces in E-3 with constant curvature. We derive some non-existence results for such surfaces. Several examples are also given by figures. -
Positioning buildings on a zoning island to provide maximum shading: A case study
(SELCUK UNIV PRESS., 2019)Because summer days are long, and the weather is too hot, people desire shady spaces to escape the overwhelming effect of the sun. To keep buildings and open-air environments in the shade, a suitable building location ... -
Post-earthquake ignition vulnerability assessment of Kucukcekmece District
(COPERNICUS GESELLSCHAFT MBH, 2013)In this study, a geographic information system (GIS)-based model was developed to calculate the post-earthquake ignition probability of a building, considering damage to the building's interior gas and electrical distribution ... -
Power optimization in partially shaded ohotovoltaic systems
(UNIV NORTH., 2018)The Power-Voltage characteristic of a photovoltaic (PV) array exhibits non-linear behaviour when exposed to uniform solar irradiance. Maximum Power Point (MPP) tracking is challenging due to the varying climatic conditions ...