Yayıncı "Elsevier" Fen Edebiyat Fakültesi için listeleme
Toplam kayıt 173, listelenen: 41-60
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Determination of radioactivity levels and hazards of soil and sediment samples in Fi{dotless}rti{dotless}na Valley (Rize, Turkey)
(Elsevier, 2007)The natural radioactivity levels in soil and sediment samples of Fi{dotless}rti{dotless}na Valley have been determined. To our knowledge, there seems to be no information about radioactivity level in the Fi{dotless}rti{dotless}na ... -
Determination of the effective atomic numbers and electron densities for YBaCuO superconductor in the range 59.5-136 keV
(Elsevier, 2008)The effective atomic numbers and electron densities of YBa2Cu3O7-? superconductor at 59.5, 65.2, 77.1, 94.6, 122 and 136 keV were calculated by using the measured mass attenuation coefficients. Measurements were made by ... -
Diastereoselective synthesis, characterization, investigation of anticancer, antibacterial activities, in silico approaches and DNA/BSA binding affinities of novel pyrimidine-sugar derivatives
(Elsevier, 2023)Eighteen novel carbohydrate conjugates (1-9) and their tetra-O-acetyl derivatives (10-18) were synthesized in total and evaluated for their biological properties, including antimicrobial and anticancer functions, and ... -
DNA binding, antioxidant and antimicrobial activities of homo- and heteronuclear copper(II) and nickel(II) complexes with new oxime-type ligands
(Elsevier, 2010)Some homo- and heteronuclear Cu(II) and Ni(II) complexes of new oxime-type ligands were tested against several pathogenic microorganisms to assess their antimicrobial potentials. The antimicrobial activities of complexes ... -
Donor binding energies in single ZnCdO/ZnO quantum well
(Elsevier, 2022)The single wurtzite Zn1-xCdxO/ZnO quantum well structure in polar c-direction is studied and the binding energies of an impurity donor atom are obtained. The Schrodinger and Poisson equations are solved self consistently ... -
Dynamic critical phenomena in a multilayer Ising system
(Elsevier, 2020)Using the mixed-spin system, we precisely calculate the dynamic critical phenomena, namely dynamic compensation behaviors, dynamic phase diagrams and dynamic hysteresis loops in a multilayer Ising system that composes of ... -
Dynamic magnetic properties of a mixed ferro-ferrimagnetic ternary alloy in the form of AB(p)C(1-p) with single-ion anisotropy
(Elsevier, 2021)We investigate the dynamic magnetic properties of the AB(p)C(1-p) form mixed ferro-ferrimagnetic ternary alloy. For this purpose, the system was simulated by means of a Hamiltonian including single-ion anisotropy, A and B ... -
Effect of CdS and CdSe pre-treatment on interdiffusion with CdTe in CdS/CdTe and CdSe/CdTe heterostructures
(Elsevier, 2021)High efficiency CdTe solar cell structure has the configuration of CdS/CdSe/CdTe. Depending on the deposition and post deposition techniques employed, this stack is often subjected to high temperatures, often in presence ... -
The effect of partial Lu doping on magnetic behaviour of YBCO (123) superconductors
(Elsevier, 2010)We have investigated the effect of Lutetium doping on YBCO prepared by conventional solid-state reaction method by means of XRD, AC susceptibility and DC magnetization measurements and theoretical analysis. AC susceptibility ... -
Effect of ultra-thin CdSexTe1−x interface layer on parameters of CdTe solar cells
(Elsevier, 2022)Effects of an ultra-thin CdSexTe1-x junction interface layer on CdTe solar cell parameters were investigated employing a CdSexTe1-x/CdTe absorber structure. CdSexTe1-x thin films with varying composition were grown by ... -
The effect of ZnCl2 and CdCl2 treatment on ZnS/CdS junction partner on CdTe cell performance
(Elsevier, 2022)In this study, the impacts of ZnCl2 and CdCl2 treatments on the structural and optical properties of ZnS/CdS bilayers and on the parameters of CdTe solar cells with ZnS/CdS junction partners were investigated. CdS and ZnS ... -
The effective polymeric macromolecule as peroxymonosulfate activator as an alternative to metal oxides in the treatment of organic dye pollutants
(Elsevier, 2024)Catalyst efficiency is affected by inhomogeneous catalyst atom placement on the substrate, leading to nano-level aggregation and reduced performance. Research on single-atom catalysts aims to place them at the atomic level ... -
Effects of Meissner surface current on the microwave surface resistance of type-II superconductors
(Elsevier, 2010)Influence of the Meissner current on the field-induced variations of the microwave (mw) surface resistance in type-II superconductors is demonstrated to be well reproduced by exploiting different critical state models. ... -
The effects of the intense laser field on the resonant tunneling properties of the symmetric triple inverse parabolic barrier double well structure
(Elsevier, 2020)Transmission properties of an electron in the symmetric triple inverse parabolic barrier double well structure have been investigated under the intense laser field. We have found that the laser field has effects on tunneling ... -
Effects of x in Yb1-xGdxBa2Cu3O7-y samples on c-lattice parameter, activation energy and its magnetic power constant
(Elsevier, 2008)The Yb1-xGdxBa2Cu3O7-y superconducting samples (x = 0.0, 0.2, 0.4, 0.6, 0.8 and 1.0) which were prepared by solid-state reaction technique were studied to investigate the effect of x on c-lattice parameter, the activation ... -
Elucidation of Bioactive compounds in flower extracts of Camellia sinensis by HPLC-DAD-MS/MS and their inhibitory effects on replicative bacterial DNA polymerases
(Elsevier, 2022)Camellia sinensis L. (C. sinensis) is an economically valuable crop whose leaves are used to produce tea. Tea flowers extracts (TFE) have been tested for their DNA polymerase inhibitory effect experimentally and in silico. ... -
Evaluation of radioactivity and radiological parameters in soil samples in Isparta, Türkiye
(Elsevier, 2024)In the city centre of Isparta, located in the southwestern part of Türkiye, indoor radon concentrations and gamma dose rate levels were observed above the world and country averages. For this reason, the determination of ... -
Experimental and theoretical study on the structure and vibrational spectra of β-2-aminopyridinium dihydrogenphosphate
(Elsevier, 2011)Experimental and theoretical vibrational spectra of ?-2- aminopyridinium dihydrogenphosphate (?-2APDP) have been investigated. The FT-IR spectrum of ?-2APDP was recorded in the region 4000-400 cm -1. The optimized molecular ... -
First-principles investigation of CO and CO2 adsorption on gamma-Al2O3 supported monoatomic and diatomic Pt clusters
(Elsevier, 2020)Supported clusters of transition metal atoms are key components of heterogeneous catalysts. Understanding their interaction with small molecular species is therefore an important step in catalyst design. in this work, we ... -
Gadolinium diffusion-doping for enhancing activation energy in superconducting YBa2Cu3O7-x
(Elsevier, 2008)The resistance transitions of Gd-diffused polycrystalline Y123 samples have been measured as a function of temperature and magnetic field. It is deduced from experimental results that the activation energy increases when ...