Research Units: المرسلات الحديثة
السجلات المعروضة 21 -- 40 من 4543
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Sustainable alkali-activated binders with municipal solid waste incineration ashes as sand or fly ash replacement
( Springer Nature , 2022 , Article)The present study investigates the feasibility of using two types of municipality solid wastes incineration ashes, namely, fly ash and bottom ash in the production of sustainable alkali-activated binder. The ashes are ... -
Insights into the interaction between mineral formation and heavy metals immobilization, mediated by Virgibacillus exopolymeric substances
( Elsevier , 2024 , Article)Heavy metal pollution poses significant risks to both the environment and human health due to their toxicity, long residence times, and their ability to bioaccumulate and bio magnify across the food chain. To address this ... -
Ambient and Heat-Cured Geopolymer Composites: Mix Design Optimization and Life Cycle Assessment
( Multidisciplinary Digital Publishing Institute (MDPI) , 2022 , Article)The feasibility of producing sustainable cement-free composites and its environmental impact were investigated in this research. Experimental parametric evaluation was carried out in this regard to explore the optimum mix ... -
The Association between Lifestyle Factors and COVID-19: Findings from Qatar Biobank.
( MDPI , 2024 , Article)Coronavirus Disease 2019 (COVID-19) manifestations range from mild to severe life-threatening symptoms, including death. COVID-19 susceptibility has been associated with various factors, but studies in Qatar are limited. ... -
Thermal behavior and post-heating fracture characteristics of polypropylene microfiber-reinforced geopolymer binders
( Elsevier , 2022 , Article)This paper investigated the post-heating behavior of fly ash-based geopolymer binders reinforced with polypropylene (PP) microfibers. Geopolymer binders with different fiber contents including 0%, 0.05%, 0.1%, and 0.2% by ... -
Development of sustainable geopolymer composites for repair application: Workability and setting time evaluation
( Elsevier , 2023 , Other)One of the most used construction materials worldwide is concrete. It has a lot of advantages over the other construction materials. However, the production process of concrete produces a huge amount of carbon dioxide. ... -
Towards robust autonomous driving systems through adversarial test set generation
( ISA - Instrumentation, Systems, and Automation Society , 2023 , Article)Correct environmental perception of objects on the road is vital for the safety of autonomous driving. Making appropriate decisions by the autonomous driving algorithm could be hindered by data perturbations and more ... -
Novel surface-treatment for bottom ash from municipal solid waste incineration to reduce the heavy metals leachability for a sustainable environment
( Elsevier , 2023 , Article)Unconventional treatments can provide a modification to convert ash waste into valuable materials that can be used in various applications. This study focuses on bottom ash (BA) collected from a local incineration plant ... -
Effect of carbon nanotubes on the bonding mechanism of non-corrosive reinforcements to concrete
( Elsevier , 2024 , Article)This study aimed to assess the impact of waterborne pre-dispersed multiwall carbon nanotubes (MWCNTs) at a concentration of 0.2 wt % on the bond strength between concrete and non-corrosive reinforcements, including stainless ... -
من أزمة العقل المسلم إلى أزمة التربية والوجدان والرؤية الحضارية: قراءة في مشروع الإصلاح لدى عبد الحميد أبو سليمان
( Islamic Research Institiute, International Islamic University, Islamabad , 2024 , Article)تتخذ هذه الورقة موضوعا لها مشروع الإصلاح لدى عبد الحميد أبي سليمان، وتهدف إلى تقديم قراءة لهذا المشروع والنظر في أبعاده الفكرية المنهجية، والتربوية، والمعرفية. ولتحقيق هدفها اعتمدت على منهج تحليل محتوى كتبه المحورية؛ "أزمة ... -
محددات الطلب على القروض الاستهلاكية في قطر
( جامعة حسيبة بن بوعلي شلف , 2023 , Article)في ضوء التوسع الكبير الذي شهدته القروض الأسرية في قطر في الآونة الأخيرة، هدفت هذه الدراسة إلى تحديد العوامل المؤثرة في الطلب على القروض الاستهلاكية. باستخدام بيانات مقطعية جُمعت من 246 مشاركًا واعتماد أساليب الاقتصاد ... -
Impact of indirect taxes on CO2 emissions in the presence of institutional quality: evidence from a global panel data analysis
( Emerald Publishing Limited , 2023 , Article)Purpose: Despite the importance of tax policy in reducing energy consumption and carbon emissions, there is a dearth of research on the environmental impact of indirect taxes. This paper examines the impact of indirect ... -
Development of flexible PVDF/ BaTiO3-MoS2 polymer nanocomposites for energy harvesting and gas sensing applications
( Springer Nature , 2024 , Article)The need for flexible and wearable devices is quite great in the modern era of advanced electronics and the Internet of Things (IoT). Here, we present a poly(vinylidene fluoride) (PVDF)/Barium Titanate–Molybdenum Disulfide ... -
What scientists need to do to accelerate progress on the SDGs
( Nature Research , 2023 , Article)Drilling down into why the UN Sustainable Development Goals are so hard to achieve, and showing policymakers pathways to follow, will help the planet and save lives. [Figure not available: see fulltext.]. -
Advancing sustainable performance management in the hospitality industry: A novel framework based on a health-inclusive balanced scorecard
( Elsevier B.V. , 2023 , Article)Sustainable tourism garnered interest as the United Nations set goals that could be met by the tourism industry. However, sustainability performance metrics have been peripheral in the hospitality industry. This study ... -
Parent’s Perceptions of Online Learning during COVID-19 Pandemic: The Road Ahead
( Online Learning Consortium (OLC) , 2024 , Article)This study explored parents’ perceptions pertaining to online learning in the state of Qatar during COVID-19 pandemic. Six hundred and eighty-eight parents were surveyed, and data was analyzed statistically using SPSS 28.0. ... -
Leadership styles and AI acceptance in academic libraries in higher education
( Elsevier , 2024 , Article)This study explored the relationship between the leadership styles adopted by academic librarians and their openness to artificial intelligence (AI). The purpose was to discern whether particular leadership approaches ... -
Path analytic investigation of the intention to adopt open government data in Qatar (TAM revisited)
( Emerald Publishing Limited , 2023 , Article)Purpose: This study aims to examine the factors that influence end users’ intention to adopt open government data (OGD) portals, envisioning this relationship through a path causal model. Design/methodology/approach: The ... -
من ضيق التخصص إلى أفق التكامل (دراسة في تجارب التحول المعرفي من الطبيعي إلى الاجتماعي)
( كلية العلوم الإنسانية والاجتماعية في بيروت - لبنان , 2023 , Article)تهدف الدراسة إلى استكشاف تجربة التحول المعرفي من العلوم الطبيعية إلى العلوم الاجتماعية، وما تشكّل لدى أصحابها من خبرة فريدة في التعاطي المباشر مع تخصصين من مجالين مختلفين، ومعاينة أثرها على المستويات الشخصية والعلمية ... -
التصورات الاجتماعية للأسرة في المجتمع القطري
( صندوق البحث العلمي - الجامعة الأردنيّة , 2023 , Article)تهدف هذه الدراسة إلى استكشاف طبيعة التصورات التي يحملها القطريون للأسرة، ومعرفة ما هو المركزي منها وما هو المحيطي، وكذلك معرفة مصادر تلك التصورات. اعتمدت الدراسة منهجًا مختلطًا، استخدمت فيه أداة الاستبانة لجمع بيانات نوعية ...