02) Scopus İndeksli Yayınlar Koleksiyonu: Recent submissions
Now showing items 381-400 of 895
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Removal of Cu(II), Ni(II) and Co(II) ions from aqueous solutions by hazelnut husks carbon activated with phosphoric acid
(Desalınatıon Publ, 2021)The purpose of this study was to examine phosphoric acid activated hazelnut husk carbon (HHPAAC) feasibility in removing Cu(II), Ni(II) and Co(II) ions from aqueous solutions. The effects of various parameters including, ... -
Chirality and helicity of linearly-polarised Laguerre-Gaussian beams of small beam waists
(Elsevıer, 2021)The chirality and helicity of a linearly polarised Laguerre-Gaussian (LG) beam are examined. Such a type of light possesses a large longitudinal field amplitude when it is created with a sufficiently small beam waist and ... -
Change of electrical resistivity during phase transitions in NiMnSn-based shape memory alloy
The electrical conductivity is an important behavior of shape memory alloys. It is known that such alloys exhibit different electrical characteristics during phase transformation. In this study, Ni((50-x))Mn39Sn(11)Ta(x) ... -
Effects of water quality on the species richness and population distribution of waterbirds in Ahlat marshes, Turkey
(Sprınger, 2021)This study aims to evaluate the effect of water quality on species richness and population distribution of waterbirds in the Ahlat Marshes. Water quality values of temperature, pH level, dissolved oxygen total dissolved ... -
Comparison of Scour Properties of Classical and Trapezoidal Labyrinth Weirs
Free overfall structures might affect the structural safety of weirs. Thus, it is essential to minimize local scour in the downstream pool to ensure structural safety. In the present study, triangular, trapezoidal, and ... -
The design and development of a diesel engine electromechanical EGR cooling system based on machine learning-genetic algorithm prediction models to reduce emission and fuel consumption
Data-driven modelling techniques have recently been used in the development of engine design and control systems for defining the engine in-cylinder complex combustion process. The aim of this investigation is to improve ... -
Analysis of Dry Wear, Microstructure and Thermodynamic Parameters of CuAlTa Bulk Material
(Sprınger Indıa, 2021)The microstructural properties and thermodynamic parameters before and after abrasion were examined for a bulk Cu86Al10Ta4 (%wt.) shape memory alloy produced by the arc-melting method. From the XRD and SEM-EDX microstructural ... -
Novel gas measurement based on pressure triggered release cycles for biochemical methane potential tests
(Walter De Gruyter Gmbh, 2021)This study aims to present a novel gas counter and to demonstrate its suitability for biochemical methane potential tests. In this system, the gas to be measured is collected in a chamber enclosed with two one-way solenoid ... -
Assessment of radioactivity and heavy metal contents in surface water samples from Van Lake, Turkey
(Sprınger Heıdelberg, 2021)The aim of this study was to determine the natural radioactivity levels of surface water samples obtained from Van Lake in spring and autumn seasons. For this purpose, the gross alpha and beta radioactivity levels of the ... -
The radon concentrations of some waters in Bitlis (Turkey) and their dose estimates
(Sprınger, 2021)The activity concentration values of Rn-222 radio-isotope, which in an alpha active isotope, were measured in Bitlis and its district water samples in this study. The samples were analyzed with AlphaGuard PQ 2000 PRO active ... -
Antibacterial efficacy of ethyl pyruvate treatment against Escherichia coli O157:H7 and Salmonella Typhimurium on cherry tomatoes
(Akademıaı Kıado Zrt, 2021)Cherry tomatoes inoculated with Escherichia coli O157:H7 and Salmonella Typhimurium were treated with vaporised ethyl pyruvate (EP). The changes of microbial and organoleptic properties of the samples during storage were ... -
New species and new records of Pyraloid moths (Lepidoptera: Pyraloidea) from Turkey
(Magnolıa Press, 2021)In this paper, twelve Pyraloidea species are newly recorded in the Turkish fauna. A new species of Pyralidae (Phycitinae), Ancylosis igdirensis sp. nov. is described. And, the female genitalia of Sciota campicolella Erschoff, ... -
Effectiveness of Robot-Assisted Gait Training on Functional Skills in Children with Cerebral Palsy
This study was aimed to investigate the effects of robot- assisted gait training (RAGT) on motor functions, spasticity status, balance, and functionality in children with cerebral palsy (CP). A total of 26 patients who ... -
Anodic oxidation of bisphenol A by different dimensionally stable electrodes
(Iwa Publıshıng, 2021)Bisphenol A (BPA) is a known endocrine disrupter and was detected in surface waters. We investigated the mineralization of BPA by electrochemical oxidation. Six different types of electrodes, including the boron-doped ... -
Cyberbullying among Turkish high school students
(Wıley, 2021)Cyberbullying, a new form of the traditional bullying that has been transferred to the electronic environments (social media, online gaming environments, blogs, etc.), from the physical context to the virtual context, ... -
Efficient COVID-19 Segmentation from CT Slices Exploiting Semantic Segmentation with Integrated Attention Mechanism
(Sprınger, 2021)Coronavirus (COVID-19) is a pandemic, which caused suddenly unexplained pneumonia cases and caused a devastating effect on global public health. Computerized tomography (CT) is one of the most effective tools for COVID-19 ... -
The Impact of the SARS-CoV-2 Epidemic on World Indices: The Entropy Approach
(Hındawı Ltd, 2021)The coronavirus disease (COVID-19) outbreak started in December 2019 in Wuhan. The virus has spread around the whole world, and it has caused a strong and serious pandemic. Symptoms such as cough, respiratory distress, ... -
SIDO: A single-input double-output energy harvesting architecture operating in burst mode with 74.87% peak end-to-end efficiency
(Wıley, 2021)A single-input double-output (SIDO) energy harvesting architecture implemented with the off-the-shelf components is presented in this paper. The proposed SIDO consists of a step-up converter, a supercapacitor, an output ... -
A perfect electrically tunable graphene-based metamaterial absorber
(Sprınger, 2021)In this paper, a metamaterial absorber based on graphene is proposed, designed and simulated numerically using multilayer structures. Before describing our work, the performance response of a three-layer structure is studied ...
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