Academic: المرسلات الحديثة
السجلات المعروضة 61 -- 80 من 29714
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Global, regional, and national burden of household air pollution, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021
( Elsevier , 2025 , Article)BackgroundDespite a substantial reduction in the use of solid fuels for cooking worldwide, exposure to household air pollution (HAP) remains a leading global risk factor, contributing considerably to the burden of disease. ... -
THE INFLUENCE OF KEY SUPPLY CHAIN PARTNERS' RELATIONSHIPS ON THE QUALITY OF PAVEMENT CONSTRUCTION PROJECTS: SOCIAL NETWORK ANALYSIS
(2019 , Master Thesis)This study examines the impact of lean practice on organizational sustainability in Qatari higher education institutions. Despite significant investments in education, Qatari universities face challenges in achieving ... -
A Weighted Combination Method of Multiple K-Nearest Neighbor Classifiers for EEG-Based Cognitive Task Classification
( Springer , 2020 , Conference)The effectiveness of wireless electroencephalograph (EEG) sensor-based medical or Brain Computer Interface applications largely depends on how to classify EEG signals as accurately as possible. Empirical studies show that ... -
بناء الهُويَّة الجمعية عند شعراء الغَزَل العُذْري: قراءةٌ نفسيةٌ في الذكورة والعشق*
( دار نشر جامعة قطر , 2025 , Article)يحاول البحث النظر في ظاهرة الغزل العذري، انطلاقًا من اتسامها بمجموعةٍ من السمات الخاصة؛ أفضت بها إلى أن تشكل بناءً متينًا لهُويّةٍ جمعيةٍ يمتد وعاؤها ليضم شعراء هذه الظاهرة؛ إذ تشكلت بينهم شريحةٌ جماهيريةٌ انطبعت بطابعٍ ... -
التكامل المعرفي وأثره في الصناعة الفقهية عند القرضاوي – سبر في التصورات والترجيحات
( دار نشر جامعة قطر , 2025 , Article)أهداف البحث: يهدف البحث إلى اكتشاف مدى حضور التكامل المعرفي عند القرضاوي، من خلال استعراض ملامح التكامل في فكره، ودراسة أثره في بناء الفقه على مستوى التصورات والترجيحات. منهج الدراسة: يعتمد البحث - بشكل أساسي - على المنهج ... -
"Your taste in fashion is bad": The role of state of anger in aggressive behavior using the hot sauce paradigm
( Cogent OA , 2020 , Article)This study investigates a mediator of the link between anger induction and subsequent aggressive behavior: the state of anger. One hundred three female participants were randomly assigned to three groups and were given ... -
A brief history of psychopharmacology
( Cambridge University Press , 2020 , Book chapter)The Oxford English Dictionary defines psychopharmacology as 'the scientific study of the effect of drugs on the mind and behaviour' (Oxford English Dictionary Online, 2018). The earliest reference to the term was in 1548 ... -
من الوصف إلى الجدل: تنوع أنماط الخطاب في أخبار السفراء بين سنتي 13 قبل الهجرة و13 بعد الهجرة
( دار نشر جامعة قطر , 2025 , Article)يهدف البحث إلى الكشف عن مادة أدبية متفرقة في المصادر القديمة، متنوعة في السياقات، هي أخبار السفراء في التراث العربي، ودراسة استجابة الخطاب في هذه الأخبار للسياقات المختلفة التي جمعت أولئك السفراء والملوك الذين قابلوهم. ... -
A fouling-resistant mixed-matrix nanofiltration membrane based on covalently cross-linked Ti3C2TX (MXene)/cellulose acetate
( Elsevier , 2020 , Article)A new fouling-resistant mixed-matrix nanofiltration membrane based on a covalently cross-linked Ti3C2TX (MXene)/cellulose acetate (MXene@CA) composite was fabricated by phase inversion followed by formaldehyde cross-linking. ... -
Accreditation and the Standardization of Syllabi: Critical Reflections from the College of Education at Qatar University
( Bloomsbury Publishing Plc. , 2020 , Book chapter)Scholars studying international accreditation practices traditionally assess the successes and failures of such programs (e.g., Collins, 2015; Altbach & Knight, 2007). Still, others investigate the reasons behind the spread ... -
A hybrid solar chimney/photovoltaic thermal system for direct electric power production and water distillation
( Elsevier , 2020 , Article)In this work, modifications are made on the conventional solar chimney system in order to improve its economic viability. The two main modifications are the addition of a photovoltaic (PV) system to increase the system ... -
A novel hybrid solar ejector cooling system with thermoelectric generators
( Elsevier , 2020 , Article)A self-powered solar ejector cooling system with thermoelectric generators is presented in this work. The proposed theoretical model was built based on mass, momentum, and energy balances, and then solved using the Engineering ... -
"Double-Lumen Valve-Controlled Intra-Operative Pyeloplasty Stent (VIPs)": A New Technology for Post-Pyeloplasty Stenting - Proof of Concept Study in a Preclinical Large Animal Model
( Dove Medical Press Ltd. , 2020 , Article)Background: Pyeloplasty is a common surgical operation with a high success rate. However, significant challenges are to be optimized in the design of stenting systems in order to improve perioperative monitoring of urine ... -
A hybrid absorption/thermo-electric cooling system driven by a concentrated photovoltaic/thermal unit
( Elsevier , 2020 , Article)This paper presents a novel hybrid solar cooling system driven by a concentrated photovoltaic/thermal unit (CPV/T). The electricity of the PV module is used to power the thermoelectric cooler while the thermal energy is ... -
A new oscillator with mega-stability and its Hamilton energy: Infinite coexisting hidden and self-excited attractors
( American Institute of Physics Inc. , 2020 , Article)In this paper, we introduce an interesting new megastable oscillator with infinite coexisting hidden and self-excited attractors (generated by stable fixed points and unstable ones), which are fixed points and limit cycles ... -
A decision-making analysis in UAV-enabled wireless power transfer for IoT networks
( Elsevier , 2020 , Article)We consider an IoT network with energy-harvesting capabilities. To extend the network lifetime, we propose a novel unmanned aerial vehicle (UAV)- enabled wireless power transfer (WPT) system, where UAVs move among IoT ... -
A comparison study of trust in m-commerce between qatari and non-qatari customers
( Springer Science and Business Media Deutschland GmbH , 2020 , Conference)Over the past few years, mobile commerce (M-commerce), which is a new channel for conducting online businesses has revolutionized the global market. In Qatar, due to lack of trust, an only small percentage of Qatari ... -
A Review of Sustainable Consumption (2000 to 2020): What We Know and What We Need to Know
( Routledge , 2020 , Article)Owing to environmental pollution and care for natural resources, the notion of sustainable consumption has gained significant research attention. However, studies on sustainable consumption are still in their infancy and ... -
Age could be driving variable SARS-CoV-2 epidemic trajectories worldwide
( Public Library of Science , 2020 , Article)Current geographic spread of documented severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections shows heterogeneity. This study explores the role of age in potentially driving differentials in infection ... -
A Novel Differential Evolution Algorithm with Q-Learning for Economical and Statistical Design of X-Bar Control Charts
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference)This paper presents a novel differential evolution algorithm with Q-Learning (DE_QL) for the economical and statistical design of X-Bar control charts, which has been commonly used in industry to control manufacturing ...
