Başlık için Fen Edebiyat Fakültesi listeleme
Toplam kayıt 1411, listelenen: 730-749
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Low genetic diversity in Turkish populations of wels catfish silurus glanis L., 1758 (Siluridae, Pisces) revealed by mitochondrial control region sequences
(Central Fisheries Research Inst, 2020)This study aimed to investigate the genetic diversity and population structure of Wels catfish Silurus glanis L. 1758 in Turkey using squences of the mitochondrial DNA control region the 887-bp fragment of D-loop was aligned ... -
The lowland meadow vegetation of the central Black Sea Region of Turkey
(2014)Türkiye'nin Orta Karadeniz Bölgesinde ova alanların çayır vejetasyonu Braun-Blanquet metodu veTWINSPAN kümeleme, CCA ve DECORANA ordinasyon yöntemleriyle analiz edilmiştir. Araştırmaalanında üç yeni bitki birliği tanımlanmıştır. ... -
M-MLV reverse transcriptase was strongly inhibited by essential oil extract of paeonia daurica subsp. macrophylla
(Parlar Scientific Publications, 2021)Paconia species arc known for their rich chemical content and their compounds exhibit different medicinal properties. In this study, we firtly investigated the essential oil (EO) content of the root, scape, fruit and fruit ... -
Macroelement (N, P, K) contents of Romulea columnae Seb. and Mauri Subsp. columnae during vegetative and generative growth phases
(Academic Journals Inc., 2007)Romulea columnae Seb. and Mauri subsp. columnae is a geophytic plant belonging to Iridaceae. In this study nitrogen (N), phosphorus (P) and potassium (K) analysis were carried out during vegetative and generative growth ... -
Magnetic levitation force and trapped field properties of multiseeded YBCO with triangular arrangement of seeds
(Wiley, 2021)Although there are studies in literature using different number of seeds with different arrangements, especially line and rectangular, it is seen that there is no detailed study handling the levitation force together with ... -
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 ... -
Magnetic properties of the spin-5/2 Blume-Capel chain in a magnetic field
(Elsevier, 2019)The magnetization plateaus and thermodynamic properties of the antiferromagnetic spin-5/2 chain system were studied by using Blume-Capel model. the system with crystal field interaction in the presence of an external ... -
Magnetic properties of the welded joined TSMG Y123+x wt% Y211 (x=20 and 30) bulk superconductors
(Elsevier, 2019)Although the welding techniques have been used to join for bulk YBCO superconductors with a sintered superconductor, similar technique as a Ag2O added bulk YBCO superconductor fabricated by melt-powder-melt-growth process ... -
Magnetization of Gd diffused YBa2Cu3O7-x superconductor: experiment and theory
(Iop Publishing Ltd, 2013)The magnetization of Gd diffused YBa2Cu3O7-x is measured by a vibrating sample magnetometer (VSM) at selected temperatures (5, 25, 50, 77 K). the experimental results for the magnetization are analyzed in the critical state ... -
Manipulating the electrical properties of conductive substoichiometric titanium oxides
(American Physical Society, 2024)Conducting metal oxides offer many advantages for novel electronics applications, including sensors, fuel cells, piezoelectric devices, and microelectronic circuits, due to their conductivity, hardness, and chemically inert ... -
Mapping the distribution of amphibian species in Rize province, Turkey
(Societas Europaea Herpetologica, 2019)The Caucasus biodiversity hotspot covering the northeastern part of Turkey is one of the richest regions in terms of global biodiversity. Rize Province is located in the Transcaucasia region portion of this hotspot. We ... -
The Marchenko method to solve the general system of derivative nonlinear Schrodinger equations
(AIP Publishing, 2023)A system of linear integral equations is presented, which is the analog of the system of Marchenko integral equations, to solve the inverse scattering problem for the linear system associated with the DNLS (derivative ... -
A mark-release-recapture study to estimate field performance of imported radio-sterilized male aedes albopictus in Albania
(Frontiers Media, 2022)The pathogen transmitting Aedes albopictus mosquito is spreading rapidly in Europe, putting millions of humans and animals at risk. This species is well-established in Albania since its first detection in 1979. The sterile ... -
Matrix transformations and compact operators on the binomial sequence spaces
(Kangwon-Kyungki Mathematical Soc, 2019)In this work, we characterize some matrix classes concerning the Binomial sequence spaces b(infinity)(r,s) and b(p)(r;s), where 1 <= p < infinity. Moreover, by using the notion of Hausdorff measure of noncompactness, we ... -
Measurement of Lα, Lβ and Total L X-ray fluorescence cross-sections for some elements with 40≤Z≤53
(Elsevier, 2010)Lα, Lβ and total L X-ray fluorescence (XRF) cross-sections have been measured for the nine elements (Zr, Nb, Mo, Ag, Cd, In, Sn, Sb and I) using photon energy 5.96 keV. In these the elements, Lα and Lβ spectra were derived ... -
Measurement of the mass attenuation coefficients and electron densities for BiPbSrCaCuO superconductor at different energies
(Elsevier, 2007)The mass attenuation coefficients for Bi, Pb, Sr, Ca, Cu metals, Bi2O3, PbO, SrCO3, CaO, CuO compounds and solid-state forms of Bi1.7Pb0.3Sr2Ca2Cu3O10 superconductor were determined at 57.5, 65.2, 77.1, 87.3, 94.6, 122 and ... -
Measurements of some radionuclides in coffee samples using gamma-ray spectrometry and evaluating radiological health risk to the Turkish public
(Taylor & Francis Ltd., 2023)The current research aims to assess the radioactivity levels and radiological health risks of 28 coffee samples from 21 assorted brands obtained from different provinces of Turkey. The activity concentrations of natural ... -
Mechanical and radiation attenuation properties of conventional and heavy concrete with diverse aggregate and water/cement ratios
(Croatian Association of Civil Engineers, 2022)This paper presents the results of comprehensive laboratory work conducted for investigating the mechanical and radiation attenuation characteristics of heavyweight concrete produced with pyrite, chromium, and magnetite ... -
Medians and nullnorms on bounded lattices
(Elsevier Science Bv, 2016)Nullnorms are generalizations of triangular norms and triangular conorms with a zero element in the interior of the unit interval. in this paper, we work on nullnorms which are defined on an arbitrary bounded lattice. We ... -
Melissopalynological and physico-chemical properties of cimil plateau (Rize) honey
(Recep Tayyip Erdoğan University, 2023)In this study, melissopalynological and physico-chemical properties of the honey produced in the Cimil Plateau (Rize province) were examined in detail. Examined honey samples were taken from eight different beehives ...
