Qatar University Young Scientists Center: المرسلات الحديثة
السجلات المعروضة 141 -- 160 من 198
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الأسطرلاب المعقد: اكتشاف عالمة مسلمة غير مجرى الحضارة البشرية
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)قلما نرى في صفحات التراث العلمي أسماء عالمات مسلمات أدين دورهن في استيفاء كفة النساء متقاربة مع ما خلفته أيادي الرجال العباقرة في التراث العلمي. ولكن الحركات العلمية في مراحلها المختلفة قد شهدت أسماء مؤنثة تركت بصماتها ... -
Towards Solving Cocktail-Party: The First Method to Build a Realistic Dataset with Ground Truths for Speech Separation
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)Speech separation is very important in real-world applications such as human-machine interaction, hearing aids devices, and automatic meeting transcription. In recent years, a significant improvement occurred towards the ... -
المدرسة وتحديات الرقمنة كيف نحافظ على ريادة المدرسة في عصر الرقمنة؟
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)تكمن أهمية هذا البحث في كونه يبحث في مدى مساهمة المدرسة في تطوير المجتمع في ظل ظهور تقنيات التواصل الحديثة وما يترتب عنها من مخاطر على الناشئة؛ وذلك من خلال التوقف على دورها في التربية على قيم المواطنة الرقمية من خلال ... -
واقع استخدام الذكاء الاصطناعي في مجال العلاقات العامة في سلطنة عمان ( الفرص و التحديات )
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)إن انتشار التقنيات الرقمية الحديثة في عالمنا اليوم باتت في ازدياد أكثر من ذي قبل، كالآلات مثلًا التي أصبحت تقوم بمهام البشر بإتقان وفي زمن قياسي، إلى جانب تطور القطاعات الأخرى التي بدأت بالتوجه نحو استخدام الذكاء الاصطناعي ... -
بيان التجديد التربوي للتنمية المهنية للمعلمين في ضوء كفايات الرخصة المهنية
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)شهد التطور المهني في واقعنا التكنولوجي نقلة نوعية وكبيرة في شتى المجالات، لاسيما في التجديد التربوي في العملية التعليمية الذي هو نواة تطور أي مجتمع وبؤرة تركيزه رغم ما شهدناه خلال جائحة كورونا 19-Covid من تفاوت في الاستجابة ... -
Do research experience programs promote capacity building in Qatar: Investigating the trend and participation differences
( Elsevier , 2023 , Article)Research Experience programs (REPs) inspire students to pursue advanced degrees and shape their research career paths. Government and commercial organizations sponsor REPs to promote the capacity building of the country. ... -
A numerical approach to study the effect of bandgap and electron affinity in HTL-free perovskite solar cells and design of two-terminal silicon/perovskite tandem solar cell
( Elsevier , 2023 , Article)The hole-transport layer (HTL) free perovskite solar cells with carbon electrode (c-PSCs) have garnered significant attention owing to their simple design, cost-effectiveness, and good stability. However, the power conversion ... -
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 ... -
Publisher Correction: A lightweight neural network with multiscale feature enhancement for liver CT segmentation (Scientific Reports, (2022), 12, 1, (14153), 10.1038/s41598-022-16828-6)
( Nature Research , 2022 , Other)[No abstract available] -
Polyvinylpyridine–carbon dots composite-based novel humidity sensor
( Springer , 2023 , Article)This work describes the rational design of thin films based on PVP-modified carbon dots for potential resistive humidity sensing application, prepared via spin coating on ITO substrates. The modified carbon dots were ... -
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 ... -
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 ... -
Rebuilding Education: STEM Education Practices and Research during the Post-COVID-19 Era
( SAGE Publications Ltd , 2023 , Book)COVID-19 resulted in an unprecedented transformation in the context of learning and teaching, wherein a significant shift in the different realms of educational attainment was observed [1]. This Special Issue in Sustainability, ... -
Synthesis and photoelectrochemical performance of Co doped SrTiO3 nanostructures photoanode
( Wiley , 2023 , Article)It is pertinent to realize that scientific research indicates that the most promising method for producing H2 is photo electrochemical water splitting through a photo anode. Cobalt-doped SrTiO3 (Co-SrTiO3) composite ... -
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. ... -
Rebuilding Education—Contributions to STEM Education Practices and Research during the Post-COVID-19 Era
( MDPI , 2023 , Other)COVID-19 resulted in an unprecedented transformation in the context of learning and teaching, wherein a significant shift in the different realms of educational attainment was observed [1]. This Special Issue in Sustainability, ... -
Design and optimization of four-terminal mechanically stacked and optically coupled silicon/perovskite tandem solar cells with over 28% efficiency
( Elsevier , 2023 , Article)Silicon/perovskite tandem devices are believed to be a favorite contender for improving cell performance over the theoretical maximum value of single-junction photovoltaic (PV) cells. The present study evaluates the design ... -
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 ... -
The Prominent Roles of Undergraduate Mentors in an Online Near-Peer Mentoring Model
( MDPI , 2023 , Article)This study exemplifies a STEM-based online near-peer mentoring approach, incorporating 56 students (high and middle school mentees) and 16 secondary undergraduates (UG) mentors. The various constructive roles of UG mentors ...