排序方式: 共有43条查询结果,搜索用时 15 毫秒
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Koruyucu Elif Ekici Selcuk Karakoc T. Hikmet 《Journal of Thermal Analysis and Calorimetry》2021,145(3):1303-1315
Journal of Thermal Analysis and Calorimetry - This study presents determining performance parameters as well as thermodynamic analysis through certain design parameters of a two-spool turbojet... 相似文献
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Sema Ekici Pinar IlginSelahattin Yilmaz Nahit AktasNurettin Sahiner 《Applied Surface Science》2011,257(7):2669-2676
We report the preparation and characterization of thiolated-temperature-responsive hyaluronic acid-cysteamine-N-isopropyl acrylamide (HA-CYs-NIPAm) particles and thiolated-magnetic-responsive hyaluronic acid (HA-Fe-CYs) particles. Linear hyaluronic acid (HA) crosslinked with divinyl sulfone as HA particles was prepared using a water-in-oil micro emulsion system which were then oxidized HA-O with NaIO4 to develop aldehyde groups on the particle surface. HA-O hydrogel particles were then reacted with cysteamine (CYs) which interacted with aldehydes on the HA surface to form HA particles with cysteamine (HA-CYs) functionality on the surface. HA-CYs particles were further exposed to radical polymerization with NIPAm to obtain temperature responsive HA-CYs-NIPAm hydrogel particles. To acquire magnetic field responsive HA composites, magnetic iron particles were included in HA to form HA-Fe during HA particle preparation. HA-Fe hydrogel particles were also chemically modified. The prepared HA-CYs-NIPAm demonstrated temperature dependent size variations and phase transition temperature. HA-CYs-NIPAm and HA-Fe-CYs particles can be used as drug delivery vehicles. Sulfamethoxazole (SMZ), an antibacterial drug, was used as a model drug for temperature-induced release studies from these particles. 相似文献
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Erdal Ekici 《Acta Mathematica Hungarica》2011,133(1-2):140-147
The main purpose of this paper is to introduce and study generalized hyperconnected spaces. Various characterizations of generalized hyperconnected spaces and preservation theorems are discussed. 相似文献
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We introduce new types of sets called $\bigwedge_{\mu}$ -sets and $\bigvee_{\mu}$ -sets and study some of their fundamental properties. We then investigate the topologies obtained from these sets. 相似文献
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E. Ekici 《Acta Mathematica Hungarica》2007,117(4):325-333
The main purpose of this paper is to introduce the concepts of *-sets, *-continuous functions and to obtain new decompositions of continuous and ηζ-continuous functions. Moreover, properties of *-sets and some properties of -sets are discussed.
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The aim of this paper is to introduce new classes of sets called δ-semi-generalized closed sets, locally δ-semi-generalized closed, lδsgc*-sets, lδsgc**-sets. Also, we introduce several forms of LδSGC-continuous functions. We discuss their properties and several examples are provided to illustrate the behaviour of these new types of sets and functions. 相似文献
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Yang Chunyu Zhou Qin Triki Houria Mirzazadeh Mohammad Ekici Mehmet Liu Wen-Jun Biswas Anjan Belic Milivoj 《Nonlinear dynamics》2019,95(2):983-994
Nonlinear Dynamics - Interactions of bright solitons in the Heisenberg ferromagnetic spin chain, governed by a $$(2+1)$$ -dimensional nonlinear Schrödinger equation with variable coefficients,... 相似文献
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The titled molecule 4-[3-(2,5-dimethylphenyl)-3-methylcyclobutyl]-N-methylthiazol-2-amine (C17H22N2S) is synthesized and characterized by 1H NMR, 13C NMR, IR, and X-ray single crystal determination. The compound crystallizes in the monoclinic space group P21/c with a = 6.3972(4) Å, b = 9.4988(6) Å, c = 26.016(2) Å and β = 93.496(7)°. In addition to the molecular geometry from the X-ray determination, vibrational frequencies and gauge, including the atomic orbital (GIAO), 1H and 13C NMR chemical shift values of the titled compound in the ground state are calculated using the density functional (B3LYP) method with 6-31G(d), 6-31++G(d,p) and 6-311+G(2d,p) basis sets. The calculated results show that the optimized geometries can well reproduce the crystal structure. Moreover, the theoretical vibrational frequencies and chemical shift values show good agreement with the experimental values. The predicted nonlinear optical properties of the titled compound are greater than those of urea. DFT calculations of the molecular electrostatic potentials and frontier molecular orbitals of the titled compound are carried out at the B3LYP/6-31G(d) level of theory. 相似文献
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Anjan Biswas Mehmet Ekici Abdullah Sonmezoglu Saima Arshed Milivoj Belic 《Optical and Quantum Electronics》2018,50(12):449
The extended trial function scheme is applied to retrieve soliton solutions to the perturbed nonlinear Schrödinger’s equation with ten forms of fiber nonlinearity. Bright, dark and singular soliton solutions are retrieved that appear with their respective existence criteria. Some additional forms of nonlinear waves naturally emerge as a byproduct of the integration scheme. 相似文献