Now showing items 1-20 of 29654

    • Global, regional, and national burden of household air pollution, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021 

      Fiona B, Bennitt; Wozniak, Sarah; Causey, Kate; Spearman, Sandra; Okereke, Chukwuma; ... more authors ( 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 

      HADID, MAJED KHALID FAISAL (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 

      Mohamed, Abduljalil; Mohamed, Amer; Mustafa, Yasir ( 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* 

      النيص, ليث ماهر; عيسى, عبد الخالق; Al-Nais, Laith Maher; Issa, Abdul Khaliq ( 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 

      لو, عبد الأحد مصطفى عبدالرحمن; Lo, Abdoul Ahad Moustapha Abdourahmane ( 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 

      Hasan, Youssef; Mohammed Al-Hajri, Shaikha ( 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 

      Haddad, Peter M.; Nutt, David J.; Green, A. Richard ( 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 

      السنيدي, محمد بن علي بن محمد; Alsonaidi, Mohammad ibn Ali ibn Mohammad ( 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 

      Pandey, Ravi P.; Rasheed, P. Abdul; Gomez, Tricia; Azam, Reem S.; Mahmoud, Khaled A. ( 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 

      Al-Muftah, Esraa; Alkhateeb, Hadeel ( 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 

      Kiwan, Suhil; Al-Nimr, Moh'd; Salim, Ismail ( 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 

      Al-Nimr, Moh'd Ahmad; Tashtoush, Bourhan; Hasan, Alabas ( 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 

      Abbas, Tariq O.; Ali, Mansour; Moog, Raphael ( 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 

      Al-Nimr, Moh'd A.; Mugdadi, Basheer ( 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 

      Leutcho, Gervais Dolvis; Khalaf, Abdul Jalil M.; Njitacke Tabekoueng, Zeric; Fozin, Theophile Fonzin; Kengne, Jacques; ... more authors ( 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 

      Lhazmir, Safae; Oualhaj, Omar Ait; Kobbane, Abdellatif; Mokdad, Lynda ( 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 comprehensive overview on intelligent mechanical systems and its applications 

      David, Shibin; Anand, R.S.; Sheikh, Sarah; Jebapriya, S.; Andrew, J.; ... more authors ( Elsevier , 2020 , Conference)
      The serenity of the materials can be reflected from the load applied over them to extract its strength and scope. Perhaps the tender nature of the materials and its behavior such as ductility, hardness, impact resistance, ...
    • A new megastable nonlinear oscillator with infinite attractors 

      Leutcho, Gervais Dolvis; Jafari, Sajad; Hamarash, Ibrahim Ismael; Kengne, Jacques; Tabekoueng Njitacke, Zeric; ... more authors ( Elsevier , 2020 , Article)
      Dynamical systems with megastable properties are very rare in the literature. In this paper, we introduce a new two-dimensional megastable dynamical system with a line of equilibria, having an infinite number of stable ...
    • A review on valorization of spent coffee grounds (SCG) towards biopolymers and biocatalysts production 

      Dattatraya Saratale, Ganesh; Bhosale, Rahul; Shobana, Sutha; Banu, J. Rajesh; Pugazhendhi, Arivalagan; ... more authors ( Elsevier , 2020 , Article Review)
      Spent coffee grounds (SCG) are an important waste product millions of tons generated from coffee consumption and could be effectively utilized for various applications due to their high organic content. SCG can be used as ...
    • A phase field approach for ductile fracture of short fibre reinforced composites 

      Dean, A.; Reinoso, J.; Jha, N.K.; Mahdi, E.; Rolfes, R. ( Elsevier , 2020 , Article)
      Fracture events in short fibre reinforced polymer (SFRP) composites are one of the most limiting phenomena for their widespread use in many engineering applications, especially involving lightweight structures. In this ...