المستودع الرقمي لجامعة قطر
إن من أولويات خدمة المستودع الرقمي هي تجميع الأعمال الناتجة من أعضاء هيئة التدريس، الطلاب والطالبات، وضيوف جامعة قطر، وتوفير البيانات الوصفية اللازمة لاستكمال السجلات الببليوغرافية. توفير الوصول الحر للنص الكامل للمحتوى العلمي للجميع. والحفاظ على المحتوى العلمي في صيغة آمنة لضمان استمرارية الوصول على المدى البعيد.
الوحدات الفرعية داخل هذه الوحدة
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حصار قطر [892 items ]
أحدث التسجيلات التي تم ارسالها
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Educational leadership for social justice: A systematic review of empirical evidence
( Wiley , 2025 , Article)Educational leadership for social justice is a recurrent educational theme and endeavour with significant implications for creating equitable and inclusive educational ecosystems where all children thrive. However, social ... -
The fourth estate's invisible hand: how newspaper media legitimize neoliberal higher education in Qatar and the UAE
( Frontiers Media , 2025 , Article)This study critically examines how English-language newspaper discourse in Qatar and the UAE constructs and legitimizes neoliberal ideologies surrounding higher education institutions and international branch campuses. ... -
An optimal control strategy for ASHP units with a novel dual-fan outdoor coil for evener frosting along airflow direction based on GRNN modelling
( Elsevier , 2023 , Article)It was demonstrated in previous related experimental and modelling studies that an ASHP unit having a novel dual-fan outdoor coil (ASHP / DFOC) can help achieve evener frosting along airflow direction in the outdoor coil, ... -
An experimental study on the defrosting performances of an ASHP having a novel dual-fan outdoor coil under different levels of frosting evenness along airflow direction
( Elsevier , 2024 , Article)Uneven frosting along the airflow direction is a common phenomenon that can accelerate deteriorating the heating efficiency of ASHP units under frosting conditions. To effectively alleviate this uneven frosting phenomenon, ... -
Developing a novel control strategy for frosting suppression based on condensing-frosting performance maps for variable speed air source heat pumps
( Elsevier , 2023 , Article)Effective frosting suppression was crucial to further wider applications of air source heat pumps (ASHPs). However, existing frosting suppression measures may not be fully implementable in practice due to various reasons ... -
A novel time-current-temperature difference (T-I-T) defrosting control method for air source heat pump based on outdoor fan operation characteristics in space heating
( Elsevier , 2025 , Article)In space heating, air source heat pumps (ASHPs) always encounter mal-defrosting incidents, resulting in significant energy waste. To improve the defrosting accuracy of ASHP, this paper proposes a novel Time-Current-Temperature ... -
A novel coefficient of frosting suppression based on the real-time operating characteristics of air source heat pumps
( Elsevier , 2023 , Article)It has been known that for space heating ASHPs, their different configurations and operation may influence their frosting performances. However, there has been no comprehensive coefficient that can be conveniently and ... -
Space heating performance analysis of air source heat pump integrated with image gray recognition-based defrosting controller
( Elsevier , 2024 , Article)In practice, owing to the unreasonable defrosting initiating method of air source heat pumps (ASHPs), mal–defrost occurs frequently, further leading to the increase of building heating energy consumption. In recent years, ... -
Piezoelectric Properties of Biopolymers
( Springer Nature , 2023 , Book chapter)Biopolymers with piezoelectric properties are widely attractive nowadays owing to their direct and indirect effects of piezoelectric behavior in addition to biocompatibility and biodegradability. Although a wide range of ... -
A versatile route for the fabrication of micro-patterned polylactic-acid (PLA)-based membranes with tailored morphology via breath figure imprinting
( Royal Society of Chemistry , 2024 , Article)Breath figure imprinting, based on surface instabilities combined with fast polymer evaporation in a humid environment, enables the creation of micro-patterned membranes with tailored pore sizes. Despite being a simple ... -
MoS2-Based Hybrid Piezoelectric Materials
( wiley , 2024 , Book chapter)The utilization of renewable energy is the primary focus of the scientific world today. However, the large initial cost, space requirements, and low technological upgrades fade its merits, and lead to difficulty in its ... -
Sustainable green packaging based on nanocellulose composites-present and future
( Springer Science and Business Media B.V. , 2023 , Article Review)Healthy and sustainable solutions achieve remarkable interest to guarantee the freshness and quality of food products through packaging. Currently, packaging materials used in the food industries depend highly on non-degradable ... -
Advancements in nanocarbon-based catalysts for enhanced fuel cell performance: a comprehensive review
( Springer , 2024 , Article Review)Fuel cells hold great promise as a clean energy technology, yet challenges such as material compatibility, manufacturing costs, and durability issues, particularly with noble metal-based electrocatalysts like platinum (Pt), ... -
Influence of phase-separated structural morphologies on the piezo and triboelectric properties of polymer composites
( Springer , 2023 , Article Review)Simplified and flexible fabrication methods, high output performance, and extreme flexibility of polymer-based nanocomposites represent versatile designs in self-powering devices for wearable electronics, sensors, and smart ... -
Fiber chemistry and technology: their contributions to shaping Society 5.0
( Springer , 2023 , Article)Society 5.0 establishes innovations and innovativeness as the basic platforms for accelerating the development of solution-based strategies for the sustainability problems every society is facing. It features an interactive ... -
Investigation of the photo-Fenton efficiency and dielectric properties of BiVO4/α-Fe2O3 nanocomposites
( Springer Science and Business Media Deutschland GmbH , 2025 , Article)This study focuses on successfully synthesizing BiVO4 nanoparticles (NPs), α-Fe2O3 NPs, and their nanocomposites (NCs) using the facile hydrothermal method to degrade methylene blue (MB) dye molecules and fabricate flexible ... -
Exploration of photocatalytic dye degradation and non-linear optical absorption of BiVO4-TiO2 nanocomposites
( Springer , 2024 , Article)In this study, a simple hydrothermal approach was utilized to synthesize BiVO4 nanoparticles (NPs), TiO2 NPs, and BiVO4–TiO2 nanocomposites for the applications in degrading Rhodamine—B dye molecules and exploring optical ... -
Structural, magnetic and antibacterial properties of manganese-substituted magnetite ferrofluids
( University of Science and Technology Beijing , 2023 , Article)Manganese-substituted magnetite ferrofluids (FFs) MnxFe1-xFe2O4 (x = 0-0.8) were prepared in this work through a chemical co-precipitation reaction. The controlled growth of FF nanomaterials for antibacterial activities ... -
Cerium Oxide Decorated Graphene Nanolayers Filled Polyvinylidene Fluoride Nanofibers as Optical Piezoelectric Sensors
( wiley , 2025 , Article)This article introduces the fabrication of optical piezoelectric sensors using cerium oxide (CeO)-decorated graphene nanolayers incorporated into polyvinylidene fluoride hexafluoropropylene (PVDF-HFP) fibers. Electrospinning ... -
Advanced Membrane Technology to Remove Boron from Water and Wastewater: A Comprehensive Study
( American Chemical Society , 2023 , Article Review)The rise in boron demand for global industries causes the anthropogenic release of this element to water streams, deteriorating water quality and challenging ecological sustainability. Stringent water quality standards are ...
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