Browsing 01) WOS İndeksli Yayınlar Koleksiyonu by Title
Now showing items 975-994 of 1011
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U-238 and Rn-222 activity concentrations and total radioactivity levels in lake waters
(Sprınger, 2013)The concentrations and distributions of natural radioactivity, uranium and radon in lake waters from around Van, Turkey were investigated with an aim of evaluating the environmental radioactivity. Fourteen lake waters were ... -
Ultra-high-efficiency luminescent solar concentrator using superimposed colloidal quantum dots
(Sprınger, 2020)The world energy crisis, as well as global warming, has intensified an urgent need for renewable energies. Solar radiation can be converted to electricity by solar cells readily; however, the high cost of photovoltaic ... -
ULTRASTRUCTURE AND POLLEN MICROMORPHOLOGY OF THREE ENDEMIC BELLEVALIA (ASPARAGACEAE) SPECIES IN TURKEY
(Parlar Scıentıfıc Publıcatıons (P S P), 2019)The pollen morphology of Bellevalia kurdica Firat, B. siirtensis Firat, B. hakkariensis Firat species (Asparagaceae) was examined using Light Microscopy (LM) and Scanning Electron Microscopy (SEM). The taxa are similar in ... -
UPFC Based Real-Time Optimization of Power Systems for Dynamic Voltage Regulation
(Tech Scıence Press, 2018)Flexible alternating current transmission system (FACTS) components are used to utilize the electrical transmission lines at their optimum capacity. The best way to achieve this optimization is to manage the active and ... -
Usability of ignimbrite powder in reactive powder concrete road pavement
(Taylor & Francıs Ltd, 2017)In this study, reactive powder concrete (RPC) was used as the concrete for rigid pavement. In the production of RPC, one of the materials that increases the cost is cement. In the study, in order to decrease the amount of ... -
Using a clinical linac to determine the energy levels of Nb-92m via the photonuclear reaction
(Pergamon-Elsevıer Scıence Ltd, 2016)The bremsstrahlung photons of 18 MeV end-point energy produced by a clinical linear accelerator were used to irradiate Nb-93, producing Nb-92m via the photonuclear reaction. The gamma-ray spectrum emitted by the excited ... -
Using algorithms for evaluation in web based distance education
(Elsevıer Scıence Bv, 2010)Traditional assessment approaches are still being used in distance education environments. Positive changes have been experienced on dimensions of user, management and teacher in distance education systems at each passing ... -
Using Sieve of Eratosthenes for the Factor Analysis of Neutrosophic Form of the Five Facet Mindfulness Questionnaire as an Alternative Confirmatory Factor Analysis
(Tech Scıence Press, 2021)In this study, the Five Facet Mindfulness Questionnaire which was adapted from the short form of the Five Facet Mindfulness Questionnaire was evaluated and this scale into neutrosophic form was converted and the results ... -
Using Wavelet Transform for Cardiotocography Signals Classification
(Ieee, 2017)As a fetal surveillance technique, cardiotocography (CTG) involves fetal heart rate (FHR), uterine contraction activities, and fetal movements. CTG is practiced as a primary diagnostic test throughout the world to identify ... -
UV-spectral changes for some azo compounds in the presence of different solvents
(Elsevıer Scıence Bv, 2011)The electronic absorption spectra of four azo dyes with different substituents (such as Cl, I, OH) are determined at room temperature in twenty-one solvents with different polarities. The electronic transitions of azo dyes ... -
Variable temperature EPR studies of Cu2+ and VO2+ doped potassium dihydrogen citrate (C6H7KO7)
(Pergamon-Elsevıer Scıence Ltd, 2013)Electron paramagnetic resonance (EPR) studies of single crystals and powder samples of Cu2+ and VO2+ doped potassium dihydrogen citrate (PDHC) have been carried out at different temperatures. The temperature-dependant g ... -
Verbascum duzgunbabadagensis (Scrophulariaceae), a new species from eastern Anatolia, Turkey
(Magnolıa Press, 2014)Verbascum duzgunbabadagensis (Scrophulariaceae) is described and illustrated as a new species endemic to eastern Anatolia, Turkey. In this study, diagnostic morphological characters of this and closely related species (V. ... -
Verbascum ergin-hamzaoglui (Scrophulariaceae), a new species from South Anatolia, Turkey
(Tubıtak Scıentıfıc & Technıcal Research Councıl Turkey, 2011)Verbascum ergin-hamzaoglui Karavel. sp. nova (Sect. Bothrosperma Murb.), is described for the first time to the scientific community from South Anatolia in Turkey. The diagnostic morphological characters of these new species ... -
Verification and validation of a computational fluid dynamics (CFD) model for air entrainment at spillway aerators
(Canadıan Scıence Publıshıng, Nrc Research Press, 2009)The results of computational fluid dynamics (CFD) modeling obtained by using FLUENT software with respect to the air entrainment at spillway aerators are compared with data from a physical model study, as well as the results ... -
VERIFICATION OF A 3-D NUMERICAL MODEL FOR SPILLWAY AERATOR
(Mdpı, 2009)In this study, the results of CFD obtained by using Fluent with respect to the air entrainment at spillway aerators are compared to the data of the physical model study and the results of some empirical equations presented ... -
Vermicomposting of biomass ash with bio-waste for solubilizing nutrients and its effect on nitrogen fixation in common beans
(Elsevıer, 2021)In the last two decades, biomass incineration plants have been widely used to manage bio-waste, crop and forest residues that produce recalcitrant nutrient-rich biomass ash (BA), but have limited their use for agricultural ... -
Vine copula approach for modelling dependence of commodity and stock markets
This paper examines vine copula dependency between commodity markets and stock markets [ISE 30 (Turkey Stock Index), SP 500 (American Stock Index and FTSE 100 (United Kingdom Stock Index)] by applying the dependence parameter ... -
VITAMIN A AND E LEVELS IN PATIENTS WITH CHRONIC KIDNEY DISEASE
(Parlar Scıentıfıc Publıcatıons (P S P), 2018)Chronic kidney disease (CKD) is a disease that manifests itself with abnormalities in kidney structure or function. Inflammation and oxidative stress increase in kidney disease in parallel with the advancement of the ... -
Vitamin D Deficiency in Pregnant Women and Their Infants
(Galenos Yayıncılık, 2018)Objective: Vitamin D deficiency is a serious health problem despite a general improvement in socio-economic status in Turkey. The aim of this study was to evaluate maternal vitamin D status and its effect on neonatal vitamin ... -
VOLATILITY MEASUREMENT OF THE WORLD INDICES USING DIFFERENT ENTROPY METHODS
(Vınca Inst Nuclear Scı, 2019)In this paper, we show that the application of different entropy methods for world indices. To do this, we use the world indices such as Istanbul Stock Indices (BIST 30), Brazil Index (Bovespa), Germany Index (DAX), Britain ...