Yayıncı "Pergamon-Elsevier Science Ltd" WoS İndeksli Yayınlar Koleksiyonu için listeleme
Toplam kayıt 65, listelenen: 41-60
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A new use of the ant system algorithm for the max-mean dispersion problem
(Pergamon-Elsevier Science Ltd, 2019)This study addresses an NP-hard problem known as the max-mean dispersion problem (MaxMeanDP), which belongs to a well-known class of diversity problems. In view of the increasing importance of parallel computing, this study ... -
On the numerical solution of the model for HIV infection of CD4(+) T cells
(Pergamon-Elsevier Science Ltd, 2011)In this article, a variational iteration method (VIM) is performed to give approximate and analytical solutions of nonlinear ordinary differential equation systems such as a model for HIV infection of CD4(+) T cells. A ... -
One-year performance evaluation of two newly developed back-contact solar modules in two different climates
(Pergamon-Elsevier Science Ltd, 2020)To a certain extent, the photovoltaics industry is well developed, and the performance and expected yield of standard photovoltaic modules are well documented and researched. However, newer more efficient photovoltaic cell ... -
Oxidation of cyanobenzocycloheptatrienes: Synthesis, photooxygenation reaction and carbonic anhydrase isoenzymes inhibition properties of some new benzotropone derivatives
(Pergamon-Elsevier Science Ltd, 2014)The oxidation of some cyanocycloheptatrienes with CrO3 and pyridine was investigated and a few new nitrile functionalised benzotropone derivatives were obtained. Photooxygenation reaction of these products was also studied. ... -
Petrogenesis of ultramafic rocks from the eastern Orhaneli ophiolite, NW Turkey: Hints on the initiation and evolution of melt-peridotite interaction processes within a heterogeneously depleted mantle section
(Pergamon-Elsevier Science Ltd, 2017)The eastern Orhaneli ophiolite in NW Anatolia (Turkey) consists of voluminous dunite and minor harzburgite intruded by clinopyroxenite veins. Harzburgite contains spinel of low Cr# [100 x Cr/(Cr + Al) = 40-45] and diopside ... -
Petrology and Ar-40-Ar-39 dating of paragneisses from the Devrekani Massif (Central Pontides, Northern Turkey): Implications for the Jurassic high-T metamorphism in an extensional tectonic environment
(Pergamon-Elsevier Science Ltd, 2019)The Devrekani Massif in the northern part of the Central Pontides (Northern Turkey) provides important clues to the regional tectonics and geodynamic processes associated with Jurassic high grade metamorphic conditions. ... -
Present situation and potential role of renewable energy in Turkey
(Pergamon-Elsevier Science Ltd, 2012)Turkey has a rich potential of hydropower, wind and geothermal energy resources. The distribution of these renewable energy sources in operation are hydropower, wind and geothermal 14.802 MW 1002MW and 94 MW, respectively. ... -
Reaction of 9-oxabicyclo[4.2.1]non-7-ene-1-ol with tetrazine: An unusually facile intramolecular rearrangement
(Pergamon-Elsevier Science Ltd, 2017)Reaction of (1S(*), 7R(*))-9-oxabicyclo[4.2.1]non-7-en-1 -ol (5) with dimethyl 1,2,4,5-tetrazine-3,6-dicarboxylate (6) produced (2R(*),4R(*))-dimethyl 4-(7-oxooxepan-2-yl)-1,4-dihydropyridazine-3,6-dicarboxylate (11) in a ... -
A reduced variance unsupervised ensemble learning algorithm based on modern portfolio theory
(Pergamon-Elsevier Science Ltd, 2021)Unsupervised ensemble learning or consensus clustering has gained popularity due to its ability to combine multiple clustering solutions into a single solution that is robust and often performs better than the individual ... -
Restructuring of Turkey's electricity market and the share of hydropower energy: The case of the Eastern Black Sea Basin
(Pergamon-Elsevier Science Ltd, 2011)This paper presents the historical development of Turkey's electricity power sector, the efforts for introducing competition in the power industry in Turkey, and the concerns regarding restructuring in Turkey. The contribution ... -
A simple regression based approach to estimate deformation modulus of rock masses
(Pergamon-Elsevier Science Ltd, 2015)Rock mass characterization has a crucial importance in rock engineering applications including foundation design, slope design, support design and others. For these purposes, it is necessary to determine some input parameters ... -
Solving a fractional order model of HIV infection of CD4(+) T cells
(Pergamon-Elsevier Science Ltd, 2011)In this paper, a multi-step differential transform method (MsDTM) is performed to give approximate and analytical solutions of nonlinear fractional order ordinary differential equation systems such as a model for HIV ... -
A statistical space-time-magnitude analysis on the aftershocks occurrence of the July 21th, 2017 M-W=6.5 Bodrum-Kos, Turkey, earthquake
(Pergamon-Elsevier Science Ltd, 2019)In this study, a detailed space-time-magnitude assessment on the aftershock sequence of July 21th, 2017, M-W 6.5, Bodrum-Kos earthquake (Turkey) is carried out by focusing on the analyses of aftershock parameters: b-value, ... -
Stereo-based palmprint recognition in various 3D postures
(Pergamon-Elsevier Science Ltd, 2017)In order to increase performance in palmprint recognition systems, various devices are normally used to restrict the movement of the hand. These can cause problems, especially for those users with physical disabilities. ... -
Symbiotic Organisms Search Algorithm for multilevel thresholding of images
(Pergamon-Elsevier Science Ltd, 2020)Thresholding is a frequently used method in image processing because of its consistency and low computational cost. Otsu's and Kapur's methods are two important techniques that were proved to be best thresholding methods. ... -
Synthesis of cyclohexane derivatives including Br, Cl, N, O, and S at 1,2,4,5-positions: selectivity in addition reactions
(Pergamon-Elsevier Science Ltd, 2014)Brominations of mono addition products of 1,4-cyclohexadiene with 2,4-dinitrobenzenesulfenyl chloride (RSCI) selectively gave 1R(S),2R(S),4R(S),5R(S)-4,5-dibromo-2-(2,4-dinitrophenylthio)cyclohexyl acetate and 1R(S),2R(S ... -
Temporal, geochemical and geodynamic evolution of the Late Cretaceous subduction zone volcanism in the eastern Sakarya Zone, NE Turkey: Implications for mantle-crust interaction in an arc setting
(Pergamon-Elsevier Science Ltd, 2020)The Late Cretaceous Artvin volcanic rocks (LCAVs) from the eastern Sakarya zone (ESZ) of NE Turkey are composed of mafic/basaltic (S1-catak and S2-caglayan) and felsic/acidic (S1-Kizilkaya and S2-Tirebolu) rock types that ... -
Tracing provenance and chemical weathering changes in Ankara Stream sediments, central Turkey: Geochemical and Sr-Nd-Pb-O isotopic evidence
(Pergamon-Elsevier Science Ltd, 2018)This study aims to analyze the changes in sediment provenance through the geochemical and Sr-Nd-Pb -O isotopic composition of the Ankara Stream bed and overbank sediments (ASBS and ASOS) and to examine the weathering and ... -
Tracking the timing of Neotethyan oceanic slab break-off: Geochronology and geochemistry of the quartz diorite porphyries, NE Turkey
(Pergamon-Elsevier Science Ltd, 2020)The initiation of the break-off of the northern branch of the Neotethyan oceanic lithosphere is an important but poorly understood event in the geology of the Sakarya Zone (SZ) in northeastern Turkey. Although it is wellknown ... -
Traditional wooden buildings and their damages during earthquakes in Turkey
(Pergamon-Elsevier Science Ltd, 2006)Wood is one of the oldest structural materials used in structures in many parts of the World. Woodframe buildings were also commonly constructed in Turkey until approximately 1960. After that, as reinforced concrete and ...