Browsing Research Units by Title
Now showing items 1463-1482 of 4559
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Enhancement of the yield of solar still with the use of solar pond: A review
( John Wiley and Sons Inc , 2021 , Article)A solar pond (SP) is a remarkable growth of renewable energy technology that has stored solar energy for storage purposes and is used in many solar thermal applications. It is also utilized for many purposes, such as ... -
Enhancement of visible light-driven hydrogen production over zinc cadmium sulfide nanoparticles anchored on BiVO4 nanorods
( Elsevier , 2022 , Article)Photocatalytic water splitting to produce H2 is a promising technology for clean energy generation. However, the use of expensive noble metals, toxicity, low charge separation efficiency and wide band gap of semiconductors ... -
Enhancement Of Water-oil Separation By Electroclescence
( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)Dispersed water droplets in organic liquids are commonly encountered in the oil, chemical and biochemical industries. A typical example is the separation of dispersed water drops in crude oil, in order to prevent catalyst ... -
Enhancing compressive, tensile, thermal and damping response of pure Al using BN nanoparticles
( Elsevier Ltd , 2018 , Article)In the present study, aluminum based metal matrix composites containing various amounts of boron nitride (BN) nanoparticulates (0, 0.5, 1.0 and 1.5 vol.%) were fabricated by using the powder metallurgy (PM) technique ... -
Enhancing gas loading and reducing energy consumption in acid gas removal systems: A simulation study based on real NGL plant data
( Elsevier B.V. , 2018 , Article)© 2017 Elsevier B.V. Amine scrubbing with absorption and desorption is the most established technology for Acid Gas Removal (AGR) systems, but suffers from high regeneration energy requirements and, hence offers a good ... -
Enhancing oil removal from water using ferric oxide nanoparticles doped carbon nanotubes adsorbents
( Elsevier B.V. , 2016 , Article)Oil contaminated water is one of the challenges in water resources management. It is crucial to remove the oil droplets from water in order to meet the discharge regulations set by the environmental authorities. Carbon ... -
Enhancing Pedestrian Safety through the Development of Advanced Operational Strategies for Crosswalks in Residential Areas
( Qatar University Press , 2021 , Poster)Pedestrians are the most vulnerable group in the traffic. Every year approximately 40,000 pedestrians are killed in the world due to road traffic crashes. In the state of Qatar, the situations are even worse with around ... -
Enhancing Power Conversion Efficiency of Dye-Sensitized Solar Cell Using TiO2-MWCNT Composite Photoanodes
( IEEE Electron Devices Society , 2016 , Article)The aim of this work is to improve the power conversion efficiency (PCE) of dye-sensitized solar cells (DSSCs) using composite films consisting of titanium oxide (TiO2) nanoparticles and multiwalled carbon nanotubes (MWCNTs). ... -
Enhancing the Adoption of E-Government Systems through Open Government and Open Government Data (OGD) Initiatives in Qatar
( IISTE , 2018 , Article)The present study aimed to analyze the status of e-government in developing countries, and particularly at Qatar. It also aimed to analyze the status of Open Government Data (OGD) in Qatar in order to identify the main ... -
Enhancing the corrosion resistance of reinforcing steel under aggressive operational conditions using behentrimonium chloride
( Nature Research , 2019 , Article)Aggressive operational conditions e.g. saline media and acidic gases, e.g., CO2 can increase the corrosion rate of reinforcing steel. Accordingly, the necessity to protect the steel under the above conditions without ... -
Enhancing the electrochemical performance of hybrid supercapacitors with in-situ grown ultrasound-mediated heterostructure bi-metallic and dual-linker MOF nanoarchitecture by harnessing charge storage mechanisms
( Elsevier , 2024 , Article)In the present technological era, energy storage devices like batteries and supercapacitors hold immense importance, and their hybrid variants have gained notable interest. The aim of this study was to develop a dual-linker ... -
Enhancing the export activities of small and medium-sized enterprises in emerging markets
( Emerald Publishing Limited , 2022 , Article)Purpose: This study aims to examine a conceptual integrated framework for small- and medium-sized enterprises’ (SMEs) export performance that comprises all potential export determinants and inhibitors. This study also ... -
Enhancing the flocculation of stable bentonite suspension using hybrid system of polyelectrolytes and NADES
( Elsevier B.V. , 2022 , Article)In this study, the influence of a hybrid coagulation/flocculation process on the electrokinetic of highly stable bentonite suspension has been examined. Choline chloride (ChCl) based natural deep eutectic solvent (NADES) ... -
Enhancing the quality and competitiveness of small businesses: A pooled cross-sectional analysis
( Elsevier B.V. , 2022 , Article)Compared with large organizations, small businesses have been slower to adopt quality management practices. This study combined the context-free perspective with the contingency theory of quality management to investigate ... -
Enhancing the Sensing Performance of Zigzag Graphene Nanoribbon to Detect NO, NO, and NH Gases.
( MDPI , 2020 , Article)In this article, a zigzag graphene nanoribbon (ZGNR)-based sensor was built utilizing the Atomistic ToolKit Virtual NanoLab (ATK-VNL), and used to detect nitric oxide (NO), nitrogen dioxide (NO), and ammonia (NH). The ... -
Enhancing the sensitivity of rapid antigen detection test (RADT) of different SARS-CoV-2 variants and lineages using fluorescence-labeled antibodies and a fluorescent meter
( Elsevier , 2023 , Article)RT-qPCR is considered the gold standard for diagnosis of COVID-19; however, it is laborious, time-consuming, and expensive. RADTs have evolved recently as relatively inexpensive methods to address these shortcomings, but ... -
Enhancing the UV/heat stability of LLDPE irrigation pipes via different stabilizer formulations
( John Wiley and Sons Inc , 2021 , Article)Herein different stabilizer formulations of linear low-density polyethylene (LLDPE) against UV- and heat-initiated degradation are described. The project aims at outdoor applications, such as irrigation piping and profiles, ... -
Enhancing thermal and mechanical response of aluminum using nanolength scale TiC ceramic reinforcement
( Elsevier Ltd , 2018 , Article)the present work, nano-sized titanium carbide (0.5, 1.0 and 1.5 vol%) reinforced aluminum (Al) metal matrix composites were synthesized by powder metallurgy incorporating microwave sintering and hot extrusion. Microstructural, ... -
Ensemble deep learning: A review
( Elsevier Ltd , 2022 , Other)Ensemble learning combines several individual models to obtain better generalization performance. Currently, deep learning architectures are showing better performance compared to the shallow or traditional models. Deep ... -
Ensemble of Metaheuristic and Exact Algorithm Based on the Divide-And-Conquer Framework for Multisatellite Observation Scheduling
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)Satellite observation scheduling plays a significant role in improving the efficiency of Earth observation systems. To solve the large-scale multisatellite observation scheduling problem, this article proposes an ensemble ...