Qatar University Institutional Repository: Recent submissions
Now showing items 1-20 of 31552
-
Hydrogel Performance in Boosting Plant Resilience to Water Stress—A Review
( Multidisciplinary Digital Publishing Institute (MDPI) , 2025 , Article)Hydrogels have emerged as a transformative technology in agriculture, offering significant potential to enhance crop resilience, improve water use efficiency, and promote sustainable farming practices. These three-dimensional ... -
Current trends and future orientation in diagnosing lung pathologies: A systematic survey
( Elsevier , 2025 , Article)Lung diseases pose a significant threat to public health worldwide, resulting in a substantial number of fatalities. Diseases such as chronic obstructive pulmonary disease and lung cancer constitute two of the three deadliest ... -
Observer-based false data injection attack resilient event-triggered control of microgrid load frequency control system
( Elsevier , 2025 , Article)This study develops a secondary attack resilient observer-based event-triggered control (AROETC) strategy to counter false data injection (FDI) attack at the secondary measurement channel of an islanded microgrid load ... -
Small-Signal Stability Analysis and Parameters Optimization of Virtual Synchronous Generator for Low-Inertia Power System
( Institute of Electrical and Electronics Engineers (IEEE) , 2025 , Article)The stable operation of converter-interfaced generation (CIG) units is paramount for ensuring resilience in low-inertia power systems. This paper presents a comprehensive small-signal modeling and stability analysis framework ... -
Impact of trace noble metals on the catalytic performance of LaNiMgO towards methane dry reforming
( Elsevier , 2024 , Article)CO2 reforming of methane was investigated using trace noble metal anchored MgO-promoted Ni/La2O3 catalyst (LaNiMgO-X), where X = Ir, Pt, Ru, Pd, and Rh. The incorporation of noble metals enhanced Ni dispersion on the support ... -
Evaluation of highly active and stable SiO2 supported Fe-based catalysts for the catalytic methane decomposition into COx free hydrogen and CNTs
( Elsevier , 2023 , Article)Catalytic methane decomposition is believed to be an economic and environmental friendly route for the production of COx free hydrogen and high quality carbon nanotubes. However, the development of active and stable catalysts ... -
Safe Model Predictive Control of a Non-Holonomic Mobile Manipulator Under Multiple Constraints Using Control Barrier Functions
( Institute of Electrical and Electronics Engineers (IEEE) , 2025 , Article)This paper introduces a novel control strategy to ensure safety in the navigation of a mobile manipulator comprising a fixed-base manipulator mounted on a mobile platform. The approach initially addresses the trajectory ... -
Model Order Reduction for System with Negative Imaginary property: Structure-Preserving Approach
( Institute of Electrical and Electronics Engineers (IEEE) , 2025 , Conference)Model order reduction (MOR) is a set of methods used to simplify the analysis and design of complex dynamical systems by reducing their size and complexity. However, these techniques often struggle to maintain important ... -
A brief review of in situ spectroscopic methods and electrochemical sensors as essential evaluation tools for the electrochemical reduction of CO2 (ElRC)
( The Royal Society of Chemistry , 2024 , Article)Electrochemical reduction of CO2 (ElRC) is a practical method for storing energy from renewable sources while completing the carbon cycle. Presently, electrochemical conversion energy technologies, which are more environmentally ... -
Synthesis of various Pb catalysts and their examination in the study of electrochemical CO2 reduction (ECR) using a quartz crystal microbalance with a Mn3O4 anode
( The Royal Society of Chemistry , 2025 , Article)As increasing CO2 concentration in the atmosphere seriously harms ecosystems, there is a need to decrease the level of CO2 to ensure the survival of mankind. Electrochemical CO2 reduction is considered to be one of the ... -
A comprehensive review of metal-based redox flow batteries: progress and perspectives
( Taylor and Francis , 2024 , Article)Redox flow batteries (RFBs) are perceived to lead the large-scale energy storage technology by integrating with intermittent renewable energy resources such as wind and solar to overcome current challenges in conventional ... -
Impact of magnesium substitution on the structural stability and catalytic performance of LaNiO₃ perovskites for methane dry reforming
( Elsevier , 2024 , Article)Mg-doped LaNiO3 perovskite nanoparticles, denoted as LaNixMg1-xO3 (0 ≤x ≤ 1), were prepared via the solution combustion technique and evaluated for dry reforming of methane. The results suggest that at 750 °C, a nickel ... -
Electrochemical Degradation Study of 4-Chlorophenol Using Magnesium Ferrite Catalysts Prepared by Solution Combustion
( Wiley , 2025 , Article)Electrochemical degradation of 4-chlorophenol (4-CP) was investigated using a rotating disk electrode (RDE) over magnesium ferrite (MgFe<inf>2</inf>O<inf>4</inf>), iron-oxide and magnesium-oxide in presence of 4-CP in ... -
Atomic level transition of graphene layer to carbon nanotubes over cobalt during ethanol decomposition reaction
( Elsevier , 2024 , Article)Herein we report the catalytic ethanol decomposition over cobalt catalyst synthesized using conventional solution combustion synthesis (SCS). The reaction pathway proposed in-situ DRIFT analysis shows that the decomposition ... -
Role of Ca in Ni-Ca/Fumed-SiO2 Catalysts for CO2 Catalytic Conversion to Methane
( Springer , 2024 , Article)This study investigates the role of calcium in facilitating the carbon dioxide methanation reaction over nickel supported on fumed-SiO2 catalysts. The wet impregnation method was used to prepare Ni/fumed-SiO2 catalysts ... -
Numerical analysis of spatial distribution of carbon in methane dry reforming over supported nickel catalyst in a packed bed reactor
( Elsevier , 2024 , Article)This study investigates carbon deposition during methane dry reforming over a nickel-based catalyst supported on alumina in a laboratory-scale fixed-bed reactor. Approximately 23.75 g of catalyst was used, and simulations ... -
Quartz crystal microbalance (QCM) study of electrochemical CO2 reduction on Sn electrocatalysts
( Elsevier , 2025 , Article)The extenuation of CO2 emissions using electrochemical CO2 reduction (ECR) is a promising approach. Electrochemical routes offer a number of benefits, including customizable layout, precise product modification, mild ... -
Electrochemical Reduction of CO2 (ERCO2) on Pb Electrocatalysts using Mn3O4 as Anode
( Wiley , 2025 , Article)The electrochemical reduction of carbon dioxide (ERCO2) to chemical feedstock and fuels is a promising strategy for reducing excessive carbon dioxide emissions. There are various benefits of converting CO2 to a single ... -
Recent Developments on CO2 Hydrogenation Performance over Structured Zeolites: A Review on Properties, Synthesis, and Characterization
( Multidisciplinary Digital Publishing Institute (MDPI) , 2024 , Article)This review focuses on an extensive synopsis of the recent improvements in CO2 hydrogenation over structured zeolites, including their properties, synthesis methods, and characterization. Key features such as bimodal ... -
Artificial Intelligence for Prosthetic and Implant Dentistry
( Springer Nature Link , 2025 , Book chapter)Prosthetic and implant dentistry has been at the forefront of adopting digital technologies, integrating cone-beam computed tomography (CBCT) and intraoral scanners for treatment planning, along with computer-aided design ...
