Browsing Research Units by Title
Now showing items 1466-1485 of 4543
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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 ... -
Enteric pathogens modulate metabolic homeostasis in the Drosophila melanogaster host
( Elsevier , 2022 , Article)On quotidian basis, living beings work out an armistice with their microbial flora and a scuffle with invading pathogens to maintain a normal state of health. Although producing virulence factors and escaping the host's ... -
Entrepreneurial failure analysis using quality management approaches
( Routledge - Taylor and Francis Group , 2022 , Article)While the research into entrepreneurial failure is growing, the root causes for such failures are underexplored. This study theoretically and empirically analyzes and conceptualizes the root causes of entrepreneurial failure ... -
Entrepreneurship Education: A Global Consideration From Practice to Policy Around the World
( Qatar Foundation , 2015 , Report)As entrepreneurship continues to gain momentum and visibility as an engine of global economic development, it is critical to understand and optimize the role that entrepreneurship education plays. Based on a detailed ... -
Entrepreneurship in ethnic enterprises: The making of new immigrant businesses in New York
( MDPI , 2021 , Article)Research on ethnic entrepreneurship has generated substantial literature on the development of ethnic businesses among different immigrant groups in North America. Such studies tend to focus on the emergence of immigrant ... -
Environmental applications of tomato processing by-products
( Elsevier , 2022 , Book chapter)Sustainable management of large amounts of tomato wastes generated during industrial processing is nowadays considered as an urgent challenge. In this chapter, recent investigations on the environmental application of ... -
Environmental contamination in mangrove crustaceans inhabiting Qatari waters
( Hamad bin Khalifa University Press (HBKU Press) , 2015 , Conference Paper)The increasing level of pollutants in the marine environment is a major concern in all countries, in particular where the main diet is seafood. The major goal of this project was to assess the level of pollution and their ... -
Environmental degradation of 30 to 50 years old reinforced concrete structures in Qatari climate
( Advanced Engineering Solutions , 2017 , Conference Paper)This paper presents the results of a field survey carried out on three reinforced concrete (RC) structures built respectively in 1960's 1970's and 1980's to determine the main load (environmental) and resistance (concrete ...