Güncel Gönderiler: Fen Edebiyat Fakültesi
Toplam kayıt 2885, listelenen: 721-740
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Chen inequalities for statistical submanifolds of Kahler-Like statistical manifolds
(MDPI, 2019)We consider Kahler-like statistical manifolds, whose curvature tensor field satisfies a natural condition. For their statistical submanifolds, we prove a Chen first inequality and a Chen inequality for the invariant delta(2,2). -
Approximation by nonlinear fourier basis in generalized holder spaces
(Yildiz Technical Univ, 2019)In this paper, the value of deviation of a function f from its nth generalized de la Vallee-Poussin mean V-n(alpha)(lambda, f) with respect to the nonlinear trigonometric system is estimated for the classes of 2 pi-periodic ... -
An examination of the GaInP/GaInAs/Ge triple junction solar cell with the analytical solar cell model
(Polish Acad Sciences Inst Physics, 2019)The photovoltaic energy is one of the most popular topics of research in the field of clean energy sources. It benefits directly from the sun, and has been accepted as a promising technology for the future. To this end, ... -
A novel triazine-bearing calix[4]arene: Design, synthesis and gas sensing affinity for volatile organic compounds
(Pergamon-Elsevier Science Ltd, 2019)A novel triazine-calix[4]arene conjugate was designed and synthesized with the aim to study gas sensing against volatile organic compounds (VOCs) such as dichloromethane, chloroform and carbon tetrachloride. This novel ... -
Inhibition of paraoxonase 1 by coumarin-substituted N-heterocyclic carbene silver(I), ruthenium(II) and palladium(II) complexes
(Wiley, 2019)We synthesized three coumarin-substituted benzimidazolium chlorides and their silver(I), ruthenium(II) and palladium(II) N-heterocyclic carbene (NHC) complexes. All compounds were characterized using appropriate spectroscopic ... -
Assessment of sequential extraction methods for the prediction of bioavailability of elements in plants grown on agricultural soils near to boron mines in Turkey
(Elsevier Science BV, 2019)Two sequential extraction methods (BCR sequential extraction method and a newly proposed sequential extraction method) were used to evaluate the bioavailability of the elements from the contaminated soils to different ... -
Characterizations of binary fecr (AISI 430) thin films deposited from a single magnetron sputtering under easy controllable deposition parameters
(Springer, 2019)A series of 50-nm binary FeCr martensitic thin films were sputtered from a single source made of commercial AISI 430 ferritic stainless steel under the deposition rates gradually increased from 0.03 to 0.11nm/s with 0.02nm/s ... -
Voltammetric determination of molybdenum using polymer film modified pencil graphite electrodes
(Taylor & Francis Inc, 2019)A new indirect voltammetric method for the determination of molybdenum in water samples and food supplements using various polymer film modified pencil graphite electrodes (PFMPGEs) was described. Poly Eriochrome black T ... -
Common surface structures of graphene and Au(111): The effect of rotational angle on adsorption and electronic properties
(Amer Inst Physics, 2019)Graphene adsorption on the Au(111) surface was explored to identify its common surface structures by means of van der Waals corrected density functional theory calculations. The alignment of graphene in the form of certain ... -
Designing antiferromagnetically coupled mono-, di- and tri-bridged copper(ii)-based catecholase models by varying the 'Auxiliary Parts' of the ligand and anionic co-ligand
(Royal Soc Chemistry, 2019)Three Schiff base ligands were synthesized via condensation between 2,6-diformyl-4-R-phenol [where R = tert-butyl (HL1), iso-propyl (HL2), and chloro (HL3)] and N,N-dimethylethylene-1,2-diamine to prepare a series of ... -
Polyethylene glycol modified ervo4 nanocrystals: Magnetic and optical properties
(Amer Scientific Publishers, 2019)Spindle-like ErVO4 nanocrystals were synthesized by precipitation in the presence of polyethylene glycol. Structural, optical and magnetic properties of as-prepared ErVO4 nanoparticles with and without polyethylene glycol ... -
The kinetic parameters of adsorption of enzymes using carbon-based materials obtained from different food wastes
(Springer, 2019)In this study, adsorption of catalase enzyme onto activated carbon obtained from apple shell, kinetic parameters, and activation data of adsorption process was investigated. Temperature (15, 25, 36.5, and 45 degrees C), ... -
Equilibrium, kinetics and thermodynamics of bovine serum albumin from carbon based materials obtained from food wastes
(Springer, 2019)In this research, the adsorption of bovine serum albumin (BSA) onto activated carbon (AC) obtained from apple bark was carried out and the thermodynamic parameters of adsorption process were investigated. Besides, the ... -
Thermodynamics, kinetics, and adsorption properties of biomolecules onto carbon-based materials obtained from food wastes
(Springer, 2019)In this research, adsorption of Candida rugosa lipase enzyme (CRLE) onto activated carbon obtained from apple bark was carried out, and the thermodynamic parameters of adsorption process were investigated. The surface ... -
Length-weigth relationships for nine chondrichthyes fish species from Edremit bay (North Aegean Sea)
(Central Fisheries Research INST, 2019)Length-weight relationships were calculated for 9 chondrichthyes fish species totalizing 284 inviduals from Edremit Bay (North Aegean Sea) caught with bottom trawls between June 2007 and June 2009. It was calculated as ... -
New numerical techniques for solving fractional partial differential equations in conformable sense
(Springer, 2019)This study adresses two new numerical techniques for solving some interesting one-dimensional time-fractional partial differential equations (PDEs). We have introduced modified homotopy perturbation method in conformable ... -
Cauchy and source problems for an advection-diffusion equation with Atangana-Baleanu derivative on the real line
(Pergamon-Elsevier Science LTD, 2019)In this paper, a linear advection-diffusion equation involving Atangana-Baleanu derivative described with the Mittag-Leffler kernel is considered on the real line. Different kinds of diffusive transports in the nature obey ... -
Mathematical analysis and numerical simulation for a smoking model with Atangana-Baleanu derivative
(Pergamon-Elsevier Science LTD, 2019)This paper ensures meticulous mathematical study for analyzing the dynamics of smoking model and its public health with Atangana-Baleanu derivative. The existence and uniqueness problems to relevant model are examined via ... -
On minimal free resolution of the associated graded rings of certain monomial curves : New proofs in a(4)
(Ankara Univ, 2019)In this article, even if it is known for general case in [17], we give the explicit minimal free resolution of the associated graded ring of certain affine monomial curves in affine 4-space based on the standard basis ... -
LaVO4, LaPO4 and LaBO3: Synthesis, rietveld refinement, and comparison of optical properties
(Natl Inst Optoelectronics, 2019)Rare earth metals luminescent materials have been practically applied in almost all devices from cathode ray tubes to coating materials. Lanthanum containing samples of orthovanadate, orthophosphate and orthoborate (LaVO4, ...
