Güncel Gönderiler: WoS İndeksli Yayınlar Koleksiyonu
Toplam kayıt 1741, listelenen: 621-640
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The isolation of secondary metabolites from Rheum ribes L. and the synthesis of new semi-synthetic anthraquinones: Isolation, synthesis and biological activity
(Elsevier Sci Ltd, 2021)Rheum ribes L. (Rhubarb) is one of the most important edible medicinal plants in the Eastern Anatolia region and is called Iskin by local people. Resveratrol and 6-O-methylalaternin were isolated from the Rhubarb for the ... -
Effect of H2 addition to methanol-gasoline blend on an SI engine at various lambda values and engine loads: A case of performance, combustion, and emission characteristics
(Elsevier Sci Ltd, 2021)The main purpose of this study was to investigate the effects of hydrogen and methanol addition on the engine performance, combustion, and emission characteristics of a spark-ignition engine. The experiments were performed ... -
Comparative micro-anatomical features of endemic Fritillaria taxa growing in the Mediterranean region (Turkey)
(Elsevier Gmbh, 2022)The micro-morphological features (anatomical) of the endemic Fritillaria taxa, i.e., F. melananthera, F. asumaniae, F. byfieldii, F. carica, F. elwesii, F. forbesii, F. milasense, F. mughlae, F. ozdemir-elmasii distributed ... -
Thermo-economic assessment of a thermally integrated pumped thermal energy storage (TI-PTES) system combined with an absorption refrigeration cycle driven by low-grade heat source
(Elsevier, 2022)The pumped thermal energy storage system (PTES), which offers cheaper storage of electrical energy, has been a widely discussed issue in the literature recently. Unlike the literature studies, in this study, an absorption ... -
Evaluation of the different inner and outer channel geometry combinations for optimum melting and solidification performance in double pipe energy storage with phase change material: A numerical study
(Elsevier, 2023)Phase change materials (PCMs) have become preferable among latent heat storage methods due to their high energy storage densities and low energy losses. These properties of PCMs make it possible to use them in applications ... -
An adaptive deep learning framework to classify unknown composite power quality event using known single power quality events
(Pergamon-Elsevier Science Ltd, 2021)Distributed generation (DG) sources are preferred to meet today's energy needs effectively. The addition of many different types of renewable energy sources to the grid causes various problems in signal quality. Detection ... -
A novel hybrid deep learning approach including combination of 1D power signals and 2D signal images for power quality disturbance classification
(Pergamon-Elsevier Science Ltd, 2021)As a result of the widespread use of power electronic equipment and the increase in consumption, the importance of effective energy policies and the smart grid begins to increase. Nonlinear loads and other loads in electric ... -
An effective hashing method using W-Shaped contrastive loss for imbalanced datasets
(Pergamon-Elsevier Science Ltd, 2022)The extraction of informative features from medical images and the retrieving of similar images from data repositories is vital for clinical decision support systems. Unlike general tasks such as medical image classification ... -
Reverse gamma correction based GARCH model for underwater image dehazing and detail exposure
(Pergamon-Elsevier Science Ltd, 2023)Underwater imaging poses significant challenges as water alters the behavior of light in comparison to air or vacuum. Therefore, it is crucial to effectively utilize the unique characteristics of unclear edges in hazy ... -
The Detection of Preoperative Parathyroid Lesions: The Success of Ultrasonography, Technetium-99m Methoxyisobutylisonitrile Parathyroid Scintigraphy, and Single-Photon Emission Computed Tomography-Computed Tomography
(Elsevier Inc, 2021)Objective: We aimed to find and compare the efficacy of ultrasonography (US), technetium-99m methoxyisobutylisonitrile parathyroid scintigraphy (MIBI-S), and single-photon emission computed tomography-computed tomography ... -
The Longitudinal Evolution of Post-COVID-19 Outcomes Among Hemodialysis Patients in Turkey
(Elsevier Science Inc, 2022)Introduction: Hemodialysis (HD) patients have increased risk for short-term adverse outcomes of COVID-19. However, complications and survival at the post-COVID-19 period have not been published extensively.Methods: We ... -
Fracture and dynamic mechanical analysis of seawater aged aluminum-BFRP hybrid adhesive joints
(Pergamon-Elsevier Science Ltd, 2022)Adhesively bonded hybrid FRP-aluminium structures have recently become an efficient solution for marine engineering applications. However, polymer adhesives' bond performance is sensitive to the marine environment due to ... -
On special submanifolds of the Page space
(Elsevier, 2021)In this paper, we study some classes of submanifolds of codimension one and two in the Page space. These submanifolds are totally geodesic. We also compute their curvature and show that some of them are constant curvature ... -
New metallophthalocyanines including benzylphenoxy groups and investigation of their organic-field effect transistor (OFET) features
(Elsevier Sci Ltd, 2022)In this study, metal and metal-free novel phthalocyanines containing peripheral and non-peripheral tetra 2-ben-zylphenoxy groups were synthesized. The compounds were characterized by UV-Vis, FT-IR, H-1 NMR, and MALDI-TOF ... -
Comprehensive energy, exergy, and economic analysis of the scenario of supplementing pumped thermal energy storage (PTES) with a concentrated photovoltaic thermal system
(Pergamon-Elsevier Science Ltd, 2022)The pumped thermal energy storage (PTES), which is designed to store electricity more cheaply, is one of the issues that have been discussed in recent years. In the PTES system, electrical energy is stored as hot water ... -
Theoretical energy and exergy analysis of a combined cooling, heating and power system assisted by a low concentrated photovoltaic recuperator
(Pergamon-Elsevier Science Ltd, 2021)Supporting energy generation systems with photovoltaic thermal systems is one of the important issues discussed in the literature. With photovoltaic thermal systems, some of the solar energy is directly converted into ... -
Investigation of the effect of silica fume and synthetic foam additive on cell structure in ultra-low density foam concrete
(Elsevier, 2022)In this study, the properties of ultra-low density foam concrete with silica fume substitute and synthetic foam additive were investigated. Two different references and silica fume substituted foam concretes with densities ... -
Application of waste ceramic powder as a cement replacement in reinforced concrete beams toward sustainable usage in construction
(Elsevier, 2023)The main purpose of this study was to investigate the flexural behavior of reinforced concrete beams (RCBs) containing waste ceramic powder (CP) as partial replacement of cement. For this purpose, flexural tests were carried ... -
Experimental investigation and analytical prediction of flexural behaviour of reinforced concrete beams with steel fibres extracted from waste tyres
(Elsevier, 2023)In recent years, studies on the use of car tyre wastes in concrete have gained momentum. Especially, the effect of recycled waste steel wires (RWSWs) from tyres to be mixed into concrete for using in newly designed reinforced ... -
Performance comparison of empirical model and Particle Swarm Optimization & its boiling point prediction models for waste sunflower oil biodiesel
(Elsevier, 2022)The absence of correlations for predicting the boiling point of biodiesels prevents fuel users to achieve effective engine performance. Among the quality regulator of rudimentary fuel properties is the boiling point and ...
