Başlık için Fen Edebiyat Fakültesi listeleme
Toplam kayıt 1429, listelenen: 753-772
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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 ... -
Memlûklerde dört mezhep başkadılıklarının kuruluşu ve işleyişi
(2018)Asıl görevi şer?î ahkâm üzere adaleti tesis etmek olan kadı, İslam tarihi içinde dinî, malî, idarî vb. görevleri de üstlenmiş olan ve vazifesi itibarıyla da devletin işleyişinin en önemli unsurlarından olan bir makamı ... -
Mesoporous chromium oxide doped palladium catalysis for cyanation reaction of some aryl halides
(Elsevier, 2021)A Pd/Cr2O3 hybrid catalyst for cyanation reaction of some aryl halides was synthesized and characterized by XRD, SEM/EDS and TEM. The porous structure of the catalyst was also investigated by BET analysis. All XRD ... -
Metabolite profiling of Althaea officinalis by HPLC-DAD-MS with in silico and in vitro analysis for therapeutic potential
(Springer, 2023)Althaea officinalis L. has been widely used traditionally as an herbal tea and for the treatment of cough, mucous membrane irritation, colds, and inflammation. Parts of the plant extracts were analyzed using HPLC-DAD and ... -
Metal dicyanamides as efficient and robust water-oxidation catalysts
(Wiley-V C H Verlag Gmbh, 2017)Non-oxide cobalt-based water-oxidation electrocatalysts have received attention recently for their relative ease of preparation, they are stable both in acidic and basic media, and they have higher turnover frequencies ... -
Metal(II) nicotinamide complexes containing succinato, succinate and succinic acid: Synthesis, crystal structures, magnetic, thermal, antimicrobial and fluorescent properties
(Springer Link, 2010)Four novel divalent transitional metal succinates (suc) with nicotinamide (nia), {[M(?-suc)(H 2O) 2(nia) 2]·2H 2O} n [M = Mn (1), Ni (2)], [Cu(suc)(nia) 2] (3) and [Ni(H 2O) 4(nia) 2](suc)·(H 2suc) (4), have been synthesized ... -
Metal-organic frameworks based on copper(I) iodide and pyridine-3,5-dicarboxylic acid: Synthesis, crystal structures and luminescent properties
(Pergamon-Elsevier Science Ltd, 2016)Two metal -organic frameworks (MOFs) with pyridine-3,5-dicarboxylic acid (H(2)pdc), {[(CuI)-I-I][Cu-II(pdc) (H2O)]center dot 1.5MeCN center dot H2O} (1) and {[Cu(MeCN)(4)]center dot 2[(CuI)-I-I]center dot 2[Cu(2)(II)pdc) ... -
Metallo-phthalocyanines containing triazole substituents: Synthesis, spectroscopic and photophysicochemical properties
(Taylor & Francis Ltd., 2022)Magnesium(II) (4), lead(II) (5) and zinc(II) (6) phthalocyanines were prepared. The structures of 4-6 were confirmed by the spectroscopic characterization such as FT-IR, H-1-NMR, MALDI-TOF mass, UV-vis and fluorescence ... -
Microbial energy production
(Elsevier Inc., 2018)Today's increasing energy needs and the environmental damage of fossil fuels have prompted humankind to seek new and sustainable energy sources. Besides solar energy, seas, oceans, and wind energy, the metabolic pathways ... -
Microplastic contamination and risk assessment in table salts: Turkey
(Elsevier, 2023)In this study, the characterization of microplastics of table salts (n = 36) was determined by FT -IR. Then, individuals' exposure to microplastics from table salt consumption was calculated with a deterministic model, and ... -
Microplastic contamination in some beverages marketed in türkiye: Characteristics, dietary exposure and risk assessment
(Elsevier, 2024)In this study, microplastic contamination in water, natural mineral water and mineral water, sparkling soft drinks, cold tea and some traditional beverages marketed in Türkiye were assessed. Microplastics physically and ...
