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السجلات المعروضة 57 -- 76 من 203
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Flexible piezoelectric nanogenerator based on [P(VDF-HFP)]/ PANI-ZnS electrospun nanofibers for electrical energy harvesting
( Springer , 2021 , Article)Abstract: Over the past decade, piezoelectric nanogenerator have attracted much attention to harvest mechanical energy from abundant resources in nature. Here, the ZnS microspheres is prepared by hydrothermal method and ... -
Focused review on factors affecting martensitic stainless steels and super martensitic stainless steel passive film in the oil and gas field
( Springer Science and Business Media Deutschland GmbH , 2024 , Article Review)Martensitic and super martensitic stainless steels are widely used in the oil and gas industry for general corrosion mitigation in the presence of sweet corrosion (CO2) and sour corrosion (H2S), providing a cost-effective ... -
From Access to Success: Exploring the intersection of digitalization and Education in developing Nations
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)Introduction: It is undeniable that our world has traversed numerous states and transitions. Each time, nations worldwide must seek equilibrium, emphasizing the necessity of each nation's contribution. This crucial step ... -
Green Chemistry and its Implementation in Pharmaceutical Analysis : Green Pharmaceutical Analysis
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)The expanding progression of industrial development was a pioneer for world economic growth. Green chemistry has been defined as ‘the employment of techniques and methodologies that reduce or eliminate the use or production ... -
Harnessing Hydrogen Production Through Photosynthetic Microorganisms: a Focus on Indigenous Freshwater Algae Species in Oman
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)The study explores the possibilities of producing biohydrogen derived from native freshwater algae species Cladophora, A. quadricelluare, Chroococcus, and Coelastrum obtained from different wadis around the Sultanate of ... -
Harvesting Human Body Energy for Bioelectronic Applications: A Focus on Piezoelectric Nanogenerators
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)This research explores the potential of harnessing and converting untapped energy from the human body into electricity to power bioelectronic devices. Focusing on piezoelectric nanogenerators (PENGs) and triboelectric ... -
Hierarchical BaTiO3/NiFe2O4 nanocomposite as an efficacious photoanode for photoelectrochemical water splitting
( Elsevier , 2022 , Article)Photocatalysis of water for the production of oxygen and hydrogen is one of the most important development in the drive for clean energy, and it has received a lot of attention because it is a green and easy step to generate ... -
High school students' STEM interests and career aspirations in Qatar: An exploratory study
( Elsevier , 2023 , Article)This study sought to explore high school students' interest in science, technology, engineering, and mathematics (STEM) related disciplines and careers in the context of Qatar. Quantitative data was collected using a survey ... -
High School Students’ Perceptions of the Role of Social Support in Cultivating Their Interests in and Aspirations to STEM Degrees and Careers—A Middle Eastern Case Study
( MDPI , 2023 , Article)This case study intends to comprehend students’ perceptions of social support in cultivating their interests and aspirations for science, mathematics, engineering, and technology (STEM) degrees and careers. Survey-based ... -
High school teachers' perceptions of technology integration in instruction
( Emerald Publishing , 2024 , Article)Purpose: This exploratory research intends to comprehend the perspectives of high school teachers toward incorporating technology in instruction. Design/methodology/approach: Drawing upon Davis's technology acceptance model ... -
Highly sensitive humidity sensor based on cadmium selenide quantum dots-polymer composites: synthesis, characterization, and effect of UV/ozone treatment
( Springer , 2023 , Article)This work describes the rational design of thin film-based cadmium selenide quantum dots (CdSe) mixed with conductive polyvinylidene fluoride (PVDF), inducing PVDF-CdSe composite for potential resistive humidity-sensing ... -
Humidity sensor based on poly(lactic acid)/PANI-ZnO composite electrospun fibers
( Royal Society of Chemistry , 2021 , Article)The electrospinning technique has been successfully used to prepared micro-fibers of the poly(lactic acid)/polyaniline–zinc oxide (PLA/PANI–ZnO) composite. The polyaniline–zinc oxide (PANI–ZnO) nanocomposites are synthesized ... -
Improvement of capacitive humidity sensors using tris(8-hydroxyquinoline) gallium (Gaq3) nanofibers as a dielectric layer
( Springer , 2020 , Article)In this research work, we improved the sensing response of the organic-based co-planar humidity sensors using tris(8-hydroxyquinoline) gallium (Gaq3) nanofibers as a dielectric material. The humidity sensor was fabricated ... -
IMPROVING VISION FOR VISUAL FIELD DEFECT PATIENTS USING IMAGE PROCESSING ‘SUMMARIZATION’
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)In this groundbreaking research, an innovative solution has been developed to address the challenges faced by patients with Visual Field Defects (VFD), a condition leading to incomplete vision due to damage in the retina, ... -
Influence of polyolefin modified by Y2O3 as protective coatings against carbon steel corrosion into 3.5% NaCl media
( Springer , 2023 , Article)In this research work, we have studied the impact of Yttrium nanoparticles loaded with corrosion inhibitors dodecylamine (DOC) incorporated in polyolefin for the corrosion protection of steel. The surface analysis of pure ... -
Innovation in Water and Soil Conservation policy in the south-east of Tunisia, Exemple of FoPIA
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)Characterised by the dilemma of extreme scarcity and instability of the offer and increase of the water resources in the arid regions. These regions know strong pressures that threaten seriously their durability. This ... -
Innovative Sustainability Practices and Technological Innovation as a Key Competitive Advantages for Mega Sport Events: A Case Study of The FIFA World Cup Qatar 2022
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)The purpose of this study is to examine the role of innovative sustainability practices and technological innovation as key factors in creating a competitive advantage for the 2022 FIFA World Cup hosted by Qatar. The study ... -
Investigating the Effect of a Proposed Educational Robot on Students‘ Motivation and Learning of Thermodynamic Concepts
(2024 , Conference Paper)Research in Morocco shows a decrease in motivation and learning of physics subjects for Moroccan middle school students, which negatively impacts their school achievement. The present study aims to identify the effect of ... -
Investigating the individual interests of undergraduate students in STEM disciplines
( Frontiers Media SA , 2024 , Article)Despite massive investments in the education sector to empower youth in Qatar, a vital concern remains to retain students in science, technology, engineering, and mathematics (STEM) disciplines at the undergraduate level. ... -
Ion-imprinted membranes for lithium recovery: A review
( Elsevier , 2024 , Article)This review critically examines the effectiveness of ion-imprinted membranes (IIMs) in selectively recovering lithium (Li) from challenging sources such as seawater and brine. These membranes feature customized binding ...