Browsing by Title
Now showing items 563-582 of 2094
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A Direct Detection Fiber Optic Distributed Acoustic Sensor With a Mean SNR of 7.3 dB at 102.7 km
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA, 2019)In this work, we present the experimental results of a direct detection phi-OTDR based distributed acoustic sensor system. The system uses two cascaded acousto-optic modulators in order to generate optical pulses with very ... -
Directional Solidification of Al-Si-Ti Irregular Ternary Eutectic Alloy and Thermophysical Properties
(SPRINGER, 2022)Directional solidification of Al–11.75 wt pct Si–2.15 wt pct Ti irregular eutectic alloy which has an 843.83 K melting point, was done with different growth rates (V = 8.51 to 2065.18 µm s−1) at a temperature gradient (G) ... -
Disaster-resilient lightpath routing in WDM optical networks
(SPRINGER, 2022)Optical network serves as a core network with huge capacity and a multitude of high-speed data transmission. Natural disasters and physical attacks showed signifcant impacts on the optical networks such as damages the ... -
Disaster-Resilient Optical Network Survivability: A Comprehensive Survey
(MDPI, ST ALBAN-ANLAGE 66, CH-4052 BASEL, SWITZERLAND, 2018)Network survivability endeavors to ensure the uninterrupted provisioning of services by the network operators in case of a disaster event. Studies and news reports show that network failures caused by physical attacks and ... -
Discovering new pathogenic variants by In silico analysis
(Abdullah Gül Üniversitesi, Fen Bilimleri Enstitüsü, 2022)Inherited diseases are health problems caused by one or more abnormalities in the genome. It can be caused by changes in a single gene (monogenic) or multiple genes (polygenic), or by a damage on chromosomes. Genetic ... -
Discovering Potential Taxonomic Biomarkers of Type 2 Diabetes From Human Gut Microbiota via Different Feature Selection Methods
(FRONTIERS MEDIA SAAVENUE DU TRIBUNAL FEDERAL 34, LAUSANNE CH-1015, SWITZERLAND, 2021)Human gut microbiota is a complex community of organisms including trillions of bacteria. While these microorganisms are considered as essential regulators of our immune system, some of them can cause several diseases. In ... -
Discovery of adapalene and dihydrotachysterol as antiviral agents for the Omicron variant of SARS‑CoV‑2 through computational drug repurposing
(SPRINGER, VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS, 2022)Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been signifcantly paralyzing the societies, economies and health care systems around the globe. The mutations on the genome of SARS-CoV-2 led to the emergence ... -
Discrimination of Rest, Motor Imagery and Movement for Brain-Computer Interface Applications
(IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2018)Brain-computer interface (BCI) is a system that provides a means to control prosthesis, wheelchair, or similar devices using brain waves without direct motor nervous system involvement. For this purpose, brain waves obtained ... -
Dissolution of lateritic nickel ore using ascorbic acid as synergistic reagent in sulphuric acid solution
(ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2018)The dissolution of nickel and cobalt from Caldag lateritic nickel ore using the combination of sulphuric and ascorbic acids was investigated. The use of other organic acids, namely citric, maleic and stearic acids, as ... -
DISSOLUTION OF MIXED ZINC-CARBON AND ALKALINE BATTERY POWDERS IN SULPHURIC ACID USING ASCORBIC/OXALIC ACID AS A REDUCTANT
(JOHN WILEY & SONS, 2012)The aim of this study was to investigate the effectiveness of ascorbic (C6H8O6) / oxalic (C2H2O4) acid as a reductant for the simultaneous recovery of zinc and manganese from a spent and mixed zinc-carbon and alkaline ... -
A distinctive determination of circular nozzles in downcomer for column flotation
(Taylor and Francis Ltd., 2023)This study aims to recover clean coal from valuable hard coal tailings (HCT), which have been used as solid fuels in a thermal power plant, through convenient conditions. The effective diameters of circular nozzles on the ... -
Distributed coverage control with mobile robots: A potential game approach
(Niğde Ömer Halisdemir Üniversitesi, 2023)The use of mobile robots in industrial applications has led to a demand for autonomous multi-robot systems with robust and distributed algorithms. A critical objective in such systems is coverage control, where a team of ... -
Distributed Formation Control of Drones With Onboard Perception
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2022)While aerial vehicles offer enormous benefits in several application domains, multidrone localization and control in uncertain environments with limited onboard sensing capabilities remains an active research field. ... -
A distributed relative localization approach for air-ground robot formations with onboard sensing
(PERGAMON-ELSEVIER SCIENCE, 2023)In a multi-robot system, diversity in the sensing and motion models of robotic entities can improve the overall performance. While such heterogeneous systems offer peculiar advantages in terms of robustness and resiliency, ... -
Distribution Automation Effects on Reliability during Major Contingencies
(IEEE, 2018)Distribution automation affects reliability by providing faster restoration ability. In this study, the effect of distribution automation on radial distribution circuits during substation failures at peak load is investigated. ... -
Disutility Entropy in Multi-attribute Utility Analysis
(PERGAMON-ELSEVIER SCIENCE LTD, 2022)In this paper, we present an alternative formulation of utility entropy called disutility entropy. Previous entropy measurements in the literature use utility density function in maximum entropy formulations. Also, in ... -
DİNAMİK ORTAMDA EKSİK OPERASYONLAR HİBRİT AKIŞ TİPİ ÇİZELGELEME PROBLEMİ İÇİN SEZGİSEL YAKLAŞIMLAR
(TÜBİTAK ULAKBİM Ulusal Akademik Ağ ve Bilgi Merkezi Cahit Arf Bilgi Merkezi, 2020)Bu çalışmada, dinamik üretim ortamında toplam tamamlanma zamanının en küçüklenmesi amacıyla hibrit akış tipi çizelgeleme problemi ele alınmıştır. Daha spesifik olarak, çalışmada taşıma zamanı, sıraya bağlı hazırlık süreleri, ... -
Do energy and environmental taxes stimulate or inhibit renewable energy deployment in the European Union?
(PERGAMON-ELSEVIER SCIENCE LTD, 2023)The modern lifestyle and economic development of the European Union countries are closely connected to high energy consumption and environmental pollution. Renewable energy has arisen as one solution to this problem, even ... -
Do market differences matter on dividend policy?
(ELSEVIERRADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2021)We investigate the dividend policies of firms in the United Kingdom to understand whether firms in different markets use dividends as a signaling or disciplining device. The sample consists of 1247 firms from the highly ... -
Do the Positive Aspects of Tourism Affect Hotel Staff’s Perceptions of Tourists? A Study in Antalya and Eskisehir
(İrfan YAZICIOĞLU, 2017)Tourism is a field of activity given importance by both the participants and the tourism investors. In addition to the environmental factors affecting tourism activities, there are economic, social and physical factors ...
