Research Units: المرسلات الحديثة
السجلات المعروضة 901 -- 920 من 5213
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Analysis of E2F1 single-nucleotide polymorphisms reveals deleterious non-synonymous substitutions that disrupt E2F1-RB protein interaction in cancer
( Elsevier , 2024 , Article)Cancer is a medical condition that is caused by the abnormal growth and division of cells, leading to the formation of tumors. The E2F1 and RB pathways are critical in regulating cell cycle, and their dysregulation can ... -
Exploring local job seekers perception toward employment in the private and public sectors in Qatar: implications for workforce nationalization policies
( Emerald Publishing Limited , 2023 , Article)Purpose: The influx of expatriates to the Gulf Cooperation Council (GCC) countries has led to labor imbalance inducing these countries to initiate workforce nationalization policies. However, despite the policies' emphasis ... -
From ‘publish or perish’ to ‘publish for purpose’
( Wiley , 2023 , Other)Pressures to publish prolifically have led to an abundance of research on trivial matters rather than on issues of significance. This trend is particularly pronounced in developing countries, where limited access to paid ... -
Innovation and Smart Cities Research: A Review and Future Directions
( Springer Nature , 2024 , Book chapter)This chapter aims to review existing evidence and map research on innovation in smart cities. Based on data from 822 articles and chapters, bibliometric analyses were performed to capture descriptive statistics and key ... -
Retrieval of suspended sediment concentration (SSC) in the Arabian Gulf water of arid region by Sentinel-2 data
( Elsevier B.V. , 2023 , Article)Suspended sediment concentration (SSC) in water increases temperature and turbidity, limits the photosynthesis of aquatic plants, and reduces biologically available oxygen. It is important to study SSC in the coastal waters ... -
Adaptation of sea turtles to climate warming: Will phenological responses be sufficient to counteract changes in reproductive output?
( John Wiley and Sons Inc , 2024 , Article)Sea turtles are vulnerable to climate change since their reproductive output is influenced by incubating temperatures, with warmer temperatures causing lower hatching success and increased feminization of embryos. Their ... -
نحو فهم للصراع المائي في شرق النيل: قضية سد النهضة والمفاهيم الخاطئة الشائعة
( المركز العربي للأبحاث ودراسة السياسات - معهد الدوحة للدراسات العليا , 2023 , Article)تشهد الأنهار العابرة للحدود ضغوطًا متزايدة بفعل تنامي عدد السكان والاقتصادات، فضلًا عن عواقب التغيّر البيئي. ومع تنامي استغلال تدفّق الأنهار، كشفت النقاشات العامة عن بروز بعض المخاوف من جراء النزاعات العنيفة المحتمَلة بين ... -
Safety and Operational Performance of Signalized Roundabouts: A Case Study in Doha
( Elsevier B.V. , 2020 , Conference Paper)Traffic safety is one of the important challenges that urban transportation systems are facing. The common practice of assessing the safety of transportation systems starts with the collection of readily available crash ... -
Hydrogen Underground Storage in Silica-Clay Shales: Experimental and Density Functional Theory Investigation
( American Chemical Society , 2023 , Article)In the context of reducing the global emissions of greenhouse gases, hydrogen (H2) has become an attractive alternative to substitute the current fossil fuels. However, its properties, seasonal fluctuations, and the lack ... -
Flow mapping of multiphase flows using a novel single stem endoscopic particle image velocimetry instrument
( Institute of Physics Publishing , 2011 , Conference Paper)Particle image velocimetry (PIV) is a successful flow mapping technique which can optically quantify large portions of a flow regime. This enables the method to be completely non-intrusive. The ability to be non-intrusive ... -
The Effects Of Individual Entrepreneurial Orientation and Self-Efficacy Dimensions On Project Performance Among University Students
( World Scientific , 2023 , Article)The literature on corporate entrepreneurship has discussed the role of entrepreneurship orientation (EO) and self-efficacy in enhancing venture creation and a firm's growth. In contrast, the effect of EO and self-efficacy ... -
Experimental and theoretical investigations of the effect of bis-phenylurea-based aliphatic amine derivative as an efficient green corrosion inhibitor for carbon steel in HCl solution
( Elsevier , 2023 , Article)A novel bis-phenylurea-based aliphatic amine (BPUA) was prepared via a facile synthetic route, and evaluated as a potential green organic corrosion inhibitor for carbon steel in 1.0 M HCl solutions. NMR spectroscopy ... -
l-Proline-Catalyzed Three-Component Reaction of 4-Chloro-3-formylcoumarin, Sodium Sulfide, and α-Halo Ketones: A Direct Approach to Thieno[3,2- c ]coumarins
( Georg Thieme Verlag KG , 2023 , Article)A new protocol for the synthesis of thieno[3,2-c]coumarins is disclosed. In this method, a 3-formyl-2-oxo-2H-chromene-4-thiolate anion is generated in situ by treatment of 4-chloro-3-formylcoumarin with sodium sulfide. ... -
إنتاج مستخلص عضوي من دودة الأرض متعددة الاستعمالات
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)توفير البيئة الآمنة والحفاظ على التنوع الحيوي واستخدام بدائل طبيعية للمواد الكيماوية ممايضمن الطرق أكثر فعالة حيويا واقتصاديا وهذا يحقق لنا الهدف الامن الغذائي والتنمية المستدامة هذه الآلية تعتمد على استخلاص مادة عضوية ... -
دور الابتكارات الرقمية في الطاقة المتجددة لتنمية و تطوير المجتمعات
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)ناقش هذا البحث دور الابتكارات الرقمية في الطاقة المتجددة لتنمية و تطوير المجتمعات من عدة محاور , حيث انه يهدف للتطوير التقنيات الحالية خلال أستخدام الذكاء الاصطناعي و الاستفاده منها في عالم الصناعة و الصحة و الاقتصاد . ... -
استخدام مستخلص بذور المشمش لعلاج ارتفاع الدهون في الدم ولتقليل وزن الجسم
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)هدف براءة الاختراع الحالية اكتشاف طريقة جديدة ومبتكرة لاستخلاص المركبات متعددة الفينول ومدى تأثير هذه المركبات المستخلصة من بذور المشمش .Prunus armeniaca L (apricot seed) (AS على المعايير الكيموحيوية في الجرذان المختبرية ... -
Effect of Electrical Muscular Stimulation on Occupational Activities: a Systematic Review and Meta-Analysis
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)Background Occupational therapy (OT) is a branch of health care that focuses on helping people of all ages achieve independence in their daily activities. OT treatment may include a variety of interventions, such as ... -
Water-Repellent Finish on Cotton Fabric by Plasma technique Using Sulfur Hexafluoride SF6
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)In order to make cotton fabric resistant to water, a radio-frequency plasma system was utilized to treat the fabric with SF6 etching at a low pressure of 0.5 mbar and a flow rate of 200 sccm. The efficacy of the water-repellent ... -
Removal of nitrates from water through the use Chia seed
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)In this research, Chia seeds will be collected from local food manufacturers; Chia seeds were used and treated by natural methods “Green process” then converted into new material. The experimental conditions will be optimized ... -
تقنيات العزل الضوئي والحراري الواردة في معجم الغريب المصنف للقاسم بن سلام الهروي (ت. ق. 3 هـ / 9م).
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference Paper)يعتبر معجم الغريب المصنف الذي صنفه القاسم بن سلام الهروي في النصف الأول من القرن 3هـ وم، أحد أقدم معاجم العربية، ويتميز بكونه مرتباً وفقاً للموضوعات خلافاً للتراتيب الهجائية أو الصوتية المتعارف عليها في المعاجم، وبذا فإنه ...