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Toplam kayıt 6466, listelenen: 2858-2877
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Fractality of Borsa Istanbul during the COVID-19 Pandemic
(MDPI, 2022)Forecasting price changes is very important for the process of estimating and managing market risk in financial markets. Price changes in financial markets may also depend on non-market factors. Considering this situation, ... -
Fractional Bernstein operational matrices for solving integro-differential equations involved by Caputo fractional derivative
(ELSEVIER, 2022)The present work is devoted to developing two numerical techniques based on fractional Bernstein polynomials, namely fractional Bernstein operational matrix method, to numerically solving a class of fractional integro-differential ... -
Fractional bernstein series solution of fractional diffusion equations with error estimate
(MDPI, 2021)In the present paper, we introduce the fractional Bernstein series solution (FBSS) to solve the fractional diffusion equation, which is a generalization of the classical diffusion equation. The Bernstein polynomial method ... -
Fractional Interaction of Financial Agents in a Stock Market Network
(Walter de Gruyter GmbH, 2020)In this study, we present a model which represents the interaction of financial companies in their network. Since the long time series have a global memory effect, we present our model in the terms of fractional ... -
Fractional stochastic sır model
(Elsevier B.V., 2021)Stochastic and fractional differentiation have been developed independently to depicting processes following randomness and power, a declining memory and passage from one process to another respectively. Very recently, ... -
Fractional virus epidemic model on financial networks
(De Gruyter Poland Sp Z O O, 2016)In this study, we present an epidemic model that characterizes the behavior of a financial network of globally operating stock markets. Since the long time series have a global memory effect, we represent our model by using ... -
Fracture of the fibular sesamoid bone of the metatarsophalangeal joint of the big toe Fracture of the fibular sesamoid
(Derman Medical Publ, 2018)Fractures of the sesamoid bone in the metatarsophalangeal joint are seen more rarely than fractures of other foot bones. Therefore, studies in the literature are very limited in number. When a problem has been determined ... -
Fracture Risk Assessment Tool (FRAX (R)) Results Calculated With and Without Bone Mineral Density Values for the Evaluation of Fracture Risk in Postmenopausal Women With Osteopenia
(Elsevier Science Inc, 2018)The aim of this study was to evaluate the agreement between fracture risk predictions based on calculations made with and without bone mineral density (BMD) values using the Fracture Risk Assessment Tool (FRAX (R)) in ... -
Fragmented QRS is a marker of mortality in patients with severe COVID-19: A retrospective observational study
(TURKISH SOCIETY CARDIOLOGY, 2021)Objective: In this study, we aimed to investigate the association of fragmented QRS (f-QRS) with in-hospital death in patients with severe novel coronavirus disease 2019 (COVID-19). Methods: This was a retrospective and ... -
Frailty and Related Factors in Elderly Patients with Chronic Kidney Disease
(Turkish Geriatrics Society, 2023)Introduction: Chronic kidney disease and frailty are two crucial clinical conditions increasing in prevalence globally. Both lead to severe complications that increase mortality and morbidity in patients. Conditions that ... -
A framework for dispatching of an electric vehicle fleet using vehicle-to-grid technology
(Elsevier Ltd, 2023)Future planning of the energy supply and transportation should be taken into consideration simultaneously. The cooperation of related stakeholders, especially institutions, distribution companies and new technology developers ... -
A framework for investigating search engines’ stemming mechanisms: A case study on Bing
(John Wiley and Sons Ltd, 2021)Big data attracts the attention of governments and a lot of companies today. The developments in technology and the Internet make it one of the important sources of big data. It is easy to get lost in the enormous amount ... -
Free Amino Acid Profiles of 17 Turkish Unifloral Honeys
(Taylor & Francis Inc, 2015)Free amino acids of 58 unifloral honeys of 17 different floras (cedar, eucalyptus, vitex, carob, clover, honeydew, sunflower, citrus, heather, thyme, flower, chestnut, sideritis, acacia, lavender, cotton, and mad honeys) ... -
Free amino acid profiling in the giant puffball mushroom (Calvatia gigantea) using UPLC-MS/MS
(Elsevier Sci Ltd, 2014)Wild edible and medicinal mushroom, Calvatia gigantea, was quantitatively analyzed for the determination of its free amino acids using ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). The ... -
Free-radical scavenging capacity and antimicrobial activity of wild edible mushroom from Turkey
(Academic Journals, 2006)Antioxidant capacity and antimicrobial activities of Ramaria flava (Schaeff) Quel. (RF) extracts obtained with ethanol were investigated in this study. Four complementary test systems; namely DPPH free radical scavenging, ... -
Freeze-thaw behavior of lime stabilized clay reinforced with silica fume and synthetic fibers
(Elsevier Science Bv, 2019)Several soil stabilization studies have been conducted in the literature with silica fume and fibers separately on coarse and fine grained soils. However, few studies have been conducted on freeze-thaw performance of soils ... -
FREQUENCIES OF ORGANOPHOSPHATE RESISTANCE-ASSOCIATED MUTATIONS IN THE ACETYLCHOLINESTERASE GENE OF FIELD COLLECTED OLIVE FLY (BACTROCERA OLEAE) POPULATIONS UNDER DIFFERENT INSECTICIDE REGIMES
(Akademiai Kiado Zrt, 2011)In the present study, the frequencies of three organophosphate (OP) resistance-associated mutations in acetylcholinesterase gene of Bactrocera oleae (BoAce) populations collected from 8 different important olivegrowing ... -
Frequencies of pyrethroid resistance-associated mutations of Vssc1 and CYP6D1 in field populations of Musca domestica L. in Turkey
(Soc Vector Ecology, 2011)House flies were collected from 16 different provinces in the Aegean and Mediterranean regions of Turkey, and the frequencies of pyrethroid resistance-associated mutations in Vssc1 and CYP6D1 in these field-collected ... -
The Frequency and Clinical Features of Hypersensitivity Reactions to Antiepileptic Drugs in Children: A Prospective Study
(Elsevier Science Bv, 2018)BACKGROUND: Antiepileptic drugs (AEDs) can cause hypersensitivity reactions during childhood. Studies report a wide clinical spectrum of reactions with AED use, ranging from a mild rash to severe cutaneous reactions. ... -
Frequency and clinical features of pollen-food syndrome in children
(Elsevier Espana Slu, 2020)Background: Pollen-food syndrome (PFS) is an allergic reaction to fresh fruits, vegetables and/or nuts that can occur in patients who are allergic to pollen. The prevalence of PFS in children is not clearly known. Objective: ...
