Güncel Gönderiler: FEF, Fizik Bölümü Koleksiyonu
Toplam kayıt 337, listelenen: 101-120
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Concentrations of metal residues in domestically produced and imported milk in Kosovo
(South African Journal of Animal Sciences, 2021)The aim of this study was to investigate the concentration of metal residues in cows??? milk and the health risks to humans from its consumption. In total 37 milk samples were analysed, namely 32 raw milk samples from ... -
Single-molecule-resolution ultrafast near-field optical microscopy via plasmon lifetime extension
(AIP Publishing, 2021)Metal nanostructures support plasmon oscillations on their surfaces, which normally decay very quickly. Nevertheless, the lifetime of these oscillations can be extended near a longer lifetime particle, e.g., a molecule. ... -
Investigating medium and heavy mass heavy-ion fusion reactions and barrier distributions with coupled-channel analyzes
(Jagiellonian University Press, 2021)The fusion process is the effect of a one-dimensional barrier penetration model that incorporates scattering potential as a combination of Coulomb and proximity potentials. Heavy-ion fusion reactions were performed with ... -
Dynamic magnetic features of a mixed ferro-ferrimagnetic ternary alloy in the form of ABpC1−p
(Springer Heidelberg, 2021)In this work, we studied the dynamic magnetic features of a mixed ferro-ferrimagnetic ternary alloy in the form of AB(p)C(1-p). We also investigated the effect of Hamiltonian parameters on the system's dynamic magnetic ... -
Role of Mg doping in the structural, optical, and electrical characteristics of ZnO-based DSSCs
(2017)ZnO- and Mg-doped ZnO samples are prepared by spray pyrolysis on conducting glass substrates to fabricate ZnO-based dye-sensitized solar cells (DSSCs). In uences of Mg-doping content on the power conversion efficiencies ... -
A atudy on hydrothermal grown CdS nanospheres: effects of Cd/S molar ratio
(2019)The study reports the influences of altering of Cd/S molar ratio on some physical properties of hydrothermal grown CdS nanospheres. Cd/S molar ratios were chosen as 1:0.5, 1:1, 1:2, 1:3 and 1:4 in the stock solution. X-ray ... -
Effect of CdCl2/annealing on the crystalline transformation of CdTe thin films grown by evaporation at a low substrate temperature
(2011)The structural and optical properties of CdTe thin films prepared at a low substrate temperature were investigated before and after the Cd$CI _2$ /annealing. The crystal structure of CdTe film was cubic with a strong (111) ... -
Natural radioactivity levels in pileki stone and soil samples taken from pileki cave in Rize province
(2016)Rize ilindeki Pileki mağarasından alınan Pileki taşı ve toprak örneklerinde, doğal radyoaktivite konsantrasyonları (226Ra, 232Th ve 40K) yüksek saflıkta germanyum dedektörü (HPGe) kullanılarak belirlendi. Alınan örneklerdeki ... -
Testere dişi çift bariyer yapısında rezonans tünelleme olayının i̇ncelenmesi
(2017)Elektrik alan öngerilimi altındaki testere dişi çift bariyer yapısında rezonans tünelleme özelliği, sonlu farklar metodu bazlı denge-dışı Green fonksiyonu yöntemiyle incelenmiştir. Elektrik alan altında testere dişi çift ... -
Ab initio atomistic thermodynamics modeling of adsorption of oxygen on gold and gold-silver surfaces
(2019)A theoretical study of oxygen adsorption on gold and gold-silver surfaces by means of density functional theory (DFT) calculations with an atomistic thermodynamic model is performed. The (111) and (211) facets of gold and ... -
2002-2016 tarihleri arasındaki milletvekilliği genel seçimlerinde siyasi partilerin aldıkları oylar arası i̇lişkilerin i̇statistiksel analizi
(2017)2002-2016 yılları arasındaki son beş genel seçimdeki siyasi partilerin aldıkları oylar arasındaki ilişkileri, minimum kapsayan (örten) ağaç yöntemi ile inceledik. Minimum kapsayan ağaç grafiği, takip eden seçim dönemlerindeki ... -
Magnetic properties of spin- Blume-Capel chain under a magnetic field
(Elsevier Ltd, 2021)A magnetic property of the one dimensional spin-7/2 Blume-Capel model under the magnetic field has been investigated by means of transfer matrix method. Thermodynamic response functions are also obtained for varying values ... -
Radioactivity levels and radiation health hazards in medicinal plants used in Rize Province, Turkey
(Taylor and Francis Ltd., 2020)Natural and artificial radionuclide concentrations were determined and evaluated in 12 different medicinal plants used in Rize Province of Turkey. The levels of 226Ra, 232Th, 40K and 137Cs were specified in medicinal plants ... -
Tritium concentrations and consequent doses in bottled natural and mineral waters sold in Turkey and Azerbaijan
(Elsevier Ltd, 2021)In this study, tritium levels in commercially sold bottled natural and mineral waters in Turkey and Azerbaijan were determined. Tritium measurements were performed using Liquid Scintillation Counter (PerkinElmer TriCarb ... -
On the 30th anniversary of the Chernobyl Nuclear Power Plant Accident, assessment of the activity concentrations and the radiological hazard parameters of soil samples collected from Rize province and districts
(Elsevier Ltd, 2021)Uranium, thorium and potassium are the main terrestrial sources of radiation that are located at different levels in the soil depending on the geographical and geological conditions and contribute to increase of the natural ... -
Assessing pollution levels and health effects of heavy metals in sediments around Cayeli copper mine area, Rize, Turkey
(Bellwether Publishing, Ltd., 2021)Heavy metal concentrations of Mn, Cr, Fe, Ni, Cu, Zn, Cd and Pb in sediment samples collected from 12 stations in the Black Sea coast, Buyukdere and Sabuncular streams around Cayeli copper mine area in Rize, Turkey were ... -
Comparison of elemental analysis for different kind of papers by using energy dispersive X-ray spectrometer
(Chemical Publishing Co., 2017)In this study, comparative analyses of different 27 brand papers widely used in Turkey as ashes of paper in the form of pellets. The white paper and photocopied paper have been analyzed by using the energy dispersive X-ray ... -
Differential inelastic scattering cross-section of silicon and gallium arsenide semiconductor crystals
(Chemical Publishing Co., 2016)Because of the extensive usage of silicon and gallium arsenide semiconductor crystals, the differential inelastic scattering cross-sections at 59.5 keV have been measured for various scattering angles changing from 120 to ... -
Radioactivity and heavy metal concentrations of some commercial fish species consumed in the Black Sea Region of Turkey
(Elsevier Ltd, 2012)Marine fish is an important daily diet item for the people of Turkey. The Black Sea Region of Turkey was contaminated by the Chernobyl accident in 1986, a comprehensive study was planned and carried out to determine the ... -
The tritium, deuterium and oxygen-18 isotope levels determination in various waters in Rize and Trabzon
(Taylor and Francis Inc., 2012)Rize and Trabzon are provinces at north-east site of Turkey, on the eastern Black Sea coast. There has been no information about isotopic ?18O, ?D and tritium determination reported in water samples in the Rize and Trabzon ...