Browsing Research of Qatar University Young Scientists Center by Title
Now showing items 36-55 of 203
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Effect of cold and hot compactions on corrosion behavior of p- and n-type bismuth telluride-based alloys developed through microwave sintering process
( Elsevier , 2023 , Article)Bismuth Telluride (BiTe) based p-type and n-type alloys exhibit superior thermoelectric (TE) performance covering energy requirements for specialized and home utilization. The main challenge nowadays is the sustainability ... -
Effect of Electrical Muscular Stimulation on Occupational Activities: a Systematic Review and Meta-Analysis
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)Background Occupational therapy (OT) is a branch of health care that focuses on helping people of all ages achieve independence in their daily activities. OT treatment may include a variety of interventions, such as ... -
Effect of illumination and applied potential on the electrochemical impedance spectra in triple cation (FA/MA/Cs) 3D and 2D/3D perovskite solar cells
( Elsevier , 2021 , Article)Even though there has been numerous works performed based on electrochemical impedance spectroscopy (EIS) of perovskite solar cells (PSCs), however, many aspects of the obtained EI spectra are yet to be fully grasped. ... -
Effect of sulfonated poly (ether ether ketone) on the sensitivity of polyvinylidene fluoride-based resistive humidity sensors
( Elsevier Ltd , 2020 , Article)We have investigated the effect of sulfonated poly (ether ether ketone) (SPEEK) on the thermal stability, hydrophilicity, and sensitivity of polyvinylidene fluoride (PVDF) films based resistive humidity sensors. The blended ... -
Effect of the temperature on the passivity of the modified martensitic stainless steels
( Taylor and Francis Group , 2022 , Article)The limits and nature of the passive behavior exhibited by modified martensitic stainless steels (MMSS) is studied in brine solutions at different temperatures using electrochemical methods and the point defect model (PDM), ... -
Effective Pedagogical Approaches Used in High School Chemistry Education: A Systematic Review and Meta-Analysis
( American Chemical Society , 2022 , Article)This article systematically reviews the pedagogical approaches adopted in high school chemistry education with the aim of highlighting the most effective evidence-based instructional practices reported in the literature. ... -
THE EFFECTIVENESS OF PROJECT-ORIENTED PROBLEM-BASED LEARNING (POPBL) AS A PEDAGOGICAL APPROACH IN PROMOTING CRITICAL THINKING AMONG EFL UNDERGRADUATES IN A PRIVATE UNIVERSITY IN KUWAIT
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)In today's interconnected world, proficiency in language and cultural knowledge is crucial for effective global communication, surpassing geographical boundaries. This research investigates the impact of Problem-Oriented ... -
Efficient solar energy harvesting via thermally stable tungsten-based nanostructured solar thermophotovoltaic systems
( Elsevier , 2024 , Article)Electromagnetic radiations are a key energy source, which, by deploying bandgap-engineered devices, are directed onto PV cells to maximize their utilization. In this regard, the Solar Thermophotovoltaic (STPV) systems are ... -
Electrochemical impedance spectroscopy analysis of hole transporting material free mesoporous and planar perovskite solar cells
( MDPI , 2020 , Article Review)The future photovoltaic technologies based on perovskite materials are aimed to build low tech, truly economical, easily fabricated, broadly deployable, and trustworthy solar cells. Hole transport material (HTM) free ... -
Electrospun PVDF/ZnO Based Composite Fibers for Oil Absorption and Photocatalytic Degradation of Organic Dyes from Waste Water
( Springer , 2022 , Article)Clean drinking water has been a vital topic of research in modern world, this makes efficient water purification as the latest demand. The research and development in the field of filtration technology has revitalize ... -
Engineering the structural, optical and photoelectrochemical properties of BaTiO3-CoFe2O4 nanocomposite for photoelectrochemical water splitting
( Elsevier , 2023 , Article)Water splitting in the presence of semiconductor photocatalyst under sunlight illumination is one of the potential methods to produce clean hydrogen fuel. Herein, a BaTiO3-CoFe2O4 composite photocatalyst was fabricated ... -
Enhancement of photovoltaic module performance by thermal management using shape-stabilized PCM composites
( Elsevier , 2024 , Article)Thermal management of photovoltaic (PV) panels is crucial due to the deterioration of their electrical efficiency at elevated operating temperatures. Therefore, thermal protection of PV against overheating is highly required. ... -
Environmental resilience in Morocco : an attempt to develop a measurement model
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)In Morocco, a country rich in environmental diversity, faces a complex set of environmental challenges resulting from increasing pressures associated with population growth, rapid urbanization, and the impacts of climate ... -
EPLESPY TREATMENT WATCH
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)Electrical oscillations, which we call brain waves, have captured the attention of scientists and the general public for more than a century. But its function-and even whether it has a function beyond simply expressing ... -
EVALUATION OF THE EARLY OUTCOMES OF STAGED REPAIR FOR PRIMARY BILATERAL CLEFT LIP WITH OR WITHOUT CLEFT PALATE IN INFANTS
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)Background : Bilateral cleft lip surgery is challenging for the paediatric plastic surgeon. Different surgical techniques are described for bilateral cleft lip repair either in on stage or multiple stages.The main limitation ... -
Exploring of the gender variations in 4Cs skills among primary students
( Elsevier , 2024 , Article)The development of 21st-century learning skills must prioritize collaborative problem-solving abilities. These include critical thinking, creativity, cooperation, and communication (4Cs) and the gender-based difference in ... -
Exploring Teachers’ Perceptions of the Barriers to Teaching STEM in High Schools in Qatar
( MDPI , 2022 , Article)Understanding teachers’ attitudes and perceptions of STEM teaching is a key pathway to enhance effective STEM teaching. Inarguably, teachers are the cornerstone of educational quality and play a central role in students’ ... -
Extraction of Virgin Vegetables Oil Toward Production of Biodiesel
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)A sustainable transportation fuel known as biodiesel is usually produced by transesterification reaction of vegetable or seed oil. Biodiesel could replace petroleum-based diesel as they have common properties. The objective ... -
Fabrication and Investigation of Graphite-Flake-Composite-Based Non-Invasive Flex Multi-Functional Force, Acceleration, and Thermal Sensor
( MDPI , 2023 , Article)This work examines the physics of a non-invasive multi-functional elastic thin-film graphite flake–isoprene sulfone composite sensor. The strain design and electrical characterization of the stretching force, acceleration, ... -
Fabrication of a nickel sulfide/nickel oxide heterostructure for efficient electrochemical oxidation of methanol
( Royal Society of Chemistry , 2023 , Article)As low-cost anode catalysts for the electrocatalytic oxidation of methanol, a nickel sulfide/nickel oxide (NiS/NiO) heterostructure deposited on Ni foam and its counterparts nickel sulfide (NiS) and nickel oxide (NiO) are ...