Qatar University Institutional Repository: Recent submissions
Now showing items 441-460 of 30884
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Critical Appraisal of the Clinical Practice Guidelines for the Management of Dyslipidaemias: Lipid Modification to Reduce Cardiovascular Risk: European Society of Cardiology (ESC) and European Atherosclerosis Society (ESC/EAS) 2019 Guidelines
( Blackwell Publishing Ltd , 2020 , Article)Objective: The aim of the study was to assess the quality of the recently published European clinical practice guidelines for the management of dyslipidaemias, utilizing the refined Appraisal of Guidelines for Research & ... -
Message from the General Chairs
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)Presents the introductory welcome message from the conference proceedings. May include the conference officers' congratulations to all involved with the conference event and publication of the proceedings record. -
التخطيط اللغوي وإشكالات الأمن القومي: نظرة عامة في مقاربات التخطيط*
( دار نشر جامعة قطر , 2024 , Article)تدرس هذه الورقة البحثية الطرق التي استُخدم بها التخطيط اللغوي لمعالجة قضايا الأمن. وتقدم نظرة عامة في مجموعة من مجالات الأمن التي لعب فيها التخطيط اللغوي على المستوى الحكومي دورًا باعتباره وسيلة لتطوير نموذج عمل التخطيط ... -
ما الغاية من وجود المدارس؟*
( دار نشر جامعة قطر , 2024 , Article)تتناول هذه المقالة سؤال: "ما الغاية من وجود المدارس؟" وتُحاج عن أن كل جيل ملزم بالإجابة عنه بنفسه؛ وتُبيِّن أن للمدارس في المجتمعات الحديثة مهمةً متميزةً، وهي تمكين النشء من المفاهيم التي تجعلهم قادرين على تجاوز حدود تجربتهم ... -
A novel symmetric image cryptosystem resistant to noise perturbation based on S8 elliptic curve S-boxes and chaotic maps
( Springer Science and Business Media Deutschland GmbH , 2020 , Article)The recent decade has seen a tremendous escalation of multimedia and its applications. These modern applications demand diverse security requirements and innovative security platforms. In this manuscript, we proposed an ... -
Informing the sustainable pursuit of happiness
( MDPI , 2020 , Article)Although most people want to be happy, the pursuit of happiness involves an overwhelming number of choices and great uncertainty about the consequences. Many of these choices have significant implications for sustainability, ... -
A novel approach to improve the performance of solar-driven Stirling engine using solar-driven ejector cooling cycle
( John Wiley and Sons Ltd , 2020 , Article)In this paper, a novel system to enhance the performance of a solar-driven finite speed alpha-type Stirling engine is proposed and evaluated. Part of the concentrated solar energy is used to drive an ejector refrigeration ... -
The effect of family literacy programs on the development of children's early literacy in kindergarten settings
( Elsevier , 2020 , Article)The present study was conducted to investigate the effect of family literacy programs on developing kindergarten children's early literacy skills in Qatar. Three hundred and twenty kindergarten children (166 girls and 154 ... -
Synthesis, Characterisation, and Antimicrobial Efficacy of Acid Fuchsin Schiff Base-Modified Silver Nanoparticles
( Pleiades journals , 2020 , Article)Abstract: In the current work, silver nanoparticles (AgNPs) were green synthesized using starch and modified with anionic dye (acid fuchsin) and aldehyde (salicylaldehyde and cinnamaldehyde). Thus in situ formation of ... -
Top management inside debt and corporate social responsibility? Evidence from the US
( Elsevier , 2020 , Article)This study provides evidence on the relationship between CEO inside debt and corporate social responsibility (hereinafter, CSR). We find that an increase in CEO inside debt leads to high levels of CSR. This finding is ... -
Effect of mild salinity stress on the growth, fatty acid and carotenoid compositions, and biological activities of the thermal freshwater microalgae Scenedesmus sp.
( MDPI , 2020 , Article)Carotenoids have strong antioxidant activity as well as therapeutic value. Their production has been induced in algae under stressful culture conditions. However, the extreme culture conditions lead to the Programmed Cell ... -
Sigma-1 receptor engages an anti-inflammatory and antioxidant feedback loop mediated by peroxiredoxin in experimental colitis
( MDPI , 2020 , Article)Inflammatory bowel disease (IBD), comprising Crohn’s disease (CD) and ulcerative colitis (UC), is a chronic inflammatory condition of the gastrointestinal tract. Since the treatment of IBD is still an unresolved issue, we ... -
RL-OPRA: Reinforcement Learning for Online and Proactive Resource Allocation of crowdsourced live videos
( Elsevier , 2020 , Article)With the advancement of rich media generating devices, the proliferation of live Content Providers (CP), and the availability of convenient internet access, crowdsourced live streaming services have witnessed unexpected ... -
Hibiscus subdariffa leaf extract mediated 2-D fern-like ZnO/TiO2 hierarchical nanoleaf for photocatalytic degradation
( Elsevier , 2020 , Article)Green synthesized nanoparticles are utilized as a photocatalyst for the degradation of an organic dye such as methylene blue. In this study, Hibiscus subdariffa leaf extract act as a capping agent. 2-D fern ZnO/TiO2 ... -
Improving the power generation efficiency with the use of LNG as cold source by thermoelectric generators for hydrogen production
( Elsevier , 2020 , Article)In this study, thermodynamic simulation is developed to strengthening power generation efficiency utilizing liquefied natural gas (LNG) cold source by thermoelectric generators (TGs) for hydrogen production. Firstly, an ... -
Thermodynamic study of the effect of partial thermal reduction of dysprosium oxide on solar-to-fuel energy conversion efficiency
( Elsevier , 2020 , Article)A thermodynamic equilibrium and efficiency analysis of the dysprosium oxide-based solar thermochemical H2O splitting (Dy-WS) cycle is conducted. The objective of this study is to understand the effect of partial thermal ... -
Characterizing key attributes of COVID-19 transmission dynamics in China's original outbreak: Model-based estimations
( Elsevier , 2020 , Article)A novel coronavirus strain, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), emerged in China. This study aims to characterize key attributes of SARS-CoV-2 epidemiology as the infection emerged in China. An ... -
ترشيد أدوار المرأة في فكر الإمام يوسف القرضاوي
( دار نشر جامعة قطر , 2025 , Article)أهداف البحث: الاهتداء لمنهجية القرضاوي في ترشيد أدوار المرأة المسلمة، والاعتناء بالمفاهيم والأصول الكبرى التي احتكم إليها في بناء موقفه، واستثمار ما توصل إليه في تعميق أداء المسلمة لواجباتها في واقعنا المعاصر. منهج ... -
معالم المنهج ومواطن التجديد في موقف الشيخ يوسف القرضاوي من الحضارة الغربية والبعث الإسلامي
( دار نشر جامعة قطر , 2025 , Article)أهداف البحث: الشيخ القرضاوي رحمه الله شغلته قضيتا الموقف من الحضارة الغربية، ومنهجية إعادة البعث الحضاري عند المسلمين، وهذه الدراسة جاءت بهدف بيان المعالم المنهجية الكبرى، ومواطن التجديد الحضاري المرتبطة بموضوع العلاقة بين ... -
A home appliance control system with hand gesture based on pose estimation
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference)Home appliances play a large role in our daily lives. However, with the increase of appliances, each require a dedicated remote controller, which can be cumbersome to users. Existing solutions have the shortcoming of ...