Research Units: Recent submissions
Now showing items 1321-1340 of 5696
-
A novel hydrogen liquefaction process using dual mixed cryogenic refrigeration system: Energy, exergy, and economic analysis
( Elsevier , 2024 , Article)In conventional hydrogen liquefaction plants, the liquefaction process consumes high portion of about 30 % of the liquid hydrogen (LH2) energy content. In addition, existing LH2 technology uses pure or single mixed ... -
تحسين الأداء الحراري للأبنية السكنية بالاعتماد على العناصر المعمارية التقليدية (حالة دراسية مدينة حماه)
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference)تعتبر العمارة التقليدية مدرسة لاستخلاص الدروس من الماضي ونموذج حي للتكيف مع قسوة المناخ في المنطقة العربية لذلك تتلخص الدراسة حول العمارة التقليدية في مدينة حماه وإعادة توظيف عناصرها التي أثبتت كفاءتها لعصور متتالية، وتوضح ... -
Perception, barriers, and willingness to implement tele-pharmacy among pharmacists in Palestine
(2024 , Conference)Background: One form of telemedicine is telepharmacy, which offers remote pharmaceutical services such as drug counseling, self-medication, drug monitoring, and assessment by a licensed pharmacist. It is unclear whether ... -
Harvesting Human Body Energy for Bioelectronic Applications: A Focus on Piezoelectric Nanogenerators
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference)This research explores the potential of harnessing and converting untapped energy from the human body into electricity to power bioelectronic devices. Focusing on piezoelectric nanogenerators (PENGs) and triboelectric ... -
Building Bridges: Connecting Investors to Companies in Developing Countries
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference)Many developing countries have businesses with big potential. However, they often struggle to attract investors. Our study aims to find ways to bridge this gap. From our research, we found two key problems. First, new ... -
Approaches to Critical Digital Literacy in the MENA Region
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference)This research paper aims to propose a viable solution to one of the world’s most dire issues as of this decade, and most specifically within the MENA region. It is the proliferation of fake news, and misinformation that ... -
Investigating the Effect of a Proposed Educational Robot on Students‘ Motivation and Learning of Thermodynamic Concepts
(2024 , Conference)Research in Morocco shows a decrease in motivation and learning of physics subjects for Moroccan middle school students, which negatively impacts their school achievement. The present study aims to identify the effect of ... -
A One-button Activation System for Enhanced Root Canal Irrigation
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference)Activation of irrigants is a crucial cornerstone in endodontic therapy, with the objective of eradicating challenging microbial biofilms within the intricate dental canals. Despite the advancements in root canal treatment, ... -
المعالجة المتكاملة للرشاحة الناتجة عن المخلفات البلدية الصلبة باستخدام تقنية التجويف الهيدروديناميكي والمفاعل البيولوجي اللاهوائي
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference)تم في هذا البحث دراسة الرشاحة المتولدة عن معمل وادي الهدة لمعالجة المخلفات البلدية الصلبة في محافظة طرطوس السورية، إذ تتم معالجة المخلفات في المعمل بطريقة المعالجة الميكانيكية البيولوجية MBT (Mechanical Biological Treatment). ... -
Study the efficiency of Ultrasonic Technology in Removal of Algae from Surface Waters
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference)The diversity of human activities and the expansion of agricultural work led to an increase in nutrient accumulation, which reached aquatic ecosystems, causing algal blooms. This highlighted the importance of the treatment ... -
العلاقة بين استراتيجية جامب(JUMP) للتفكير والتحول الرقمى بالتطبيق على الجهاز المركزى للمحاسبات
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference)هدفت هذه الدراسة إلى التعرف على طبيعة العلاقة بين استراتيجية جامب للتفكير والتحول الرقمى بالتطبيق على العاملين بالجهاز المركزى للمحاسبات. واستخدم الباحث المنهج الوصفى التحليلى، والاستبانة كأداة رئيسية لجمع البيانات وتكون ... -
IMPROVING VISION FOR VISUAL FIELD DEFECT PATIENTS USING IMAGE PROCESSING ‘SUMMARIZATION’
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference)In this groundbreaking research, an innovative solution has been developed to address the challenges faced by patients with Visual Field Defects (VFD), a condition leading to incomplete vision due to damage in the retina, ... -
Studying the effect of using zinc chloride on dyeing cotton fabrics with licorice extract
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference)Natural dyes have been known to be used to color foodstuffs, and leather in addition to natural fibers such as wool, silk, and cotton as significant fields of application since prehistoric times. Natural dyes produce an ... -
P = NP
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference)Thank you everyone for giving us this opportunity to express ourselves in front of this high quality university. We are going to talk about a topic in the field of mathematics and computer science concerning a big problem ... -
EEG-Based Classification of ADHD: A Promising Digital Innovation for Early Diagnosis
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference)Attention Deficit Hyperactivity Disorder (ADHD) is a neurodevelopmental condition that affects millions of people worldwide. People with ADHD often experience difficulty paying attention, controlling impulsive behaviors, ... -
Harnessing Hydrogen Production Through Photosynthetic Microorganisms: a Focus on Indigenous Freshwater Algae Species in Oman
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference)The study explores the possibilities of producing biohydrogen derived from native freshwater algae species Cladophora, A. quadricelluare, Chroococcus, and Coelastrum obtained from different wadis around the Sultanate of ... -
Mapping Coffee Waste in Oman and its Potential Application as Biodiesel
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference)Fatty acid alkyl esters, also known as biodiesel, have received a lot of interest as an eco-friendly substitute for diesel fuel because of its many benefits as a renewable, biodegradable, and nontoxic fuel. Recently, in ... -
تخليق وتوصيف جسيمات السيليكا النانوية فائقة النقاء المعتمدة على الرمال البيضاء
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference)مقدمة : تعتبر السيليكا أحد أكثر مكونات القشرة الأرضية وفرة و توجد ايضا في معظم النفايات الصلبة الزراعية. كما أن السيليكا تعتبر واحدة من أهم الجسيمات الثانوية ، والتي تستخدم في مجموعة متنوعة من التطبيقات بما في ذلك التطبيقات ... -
Digital revolution: impacts, opportunities, challenges
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference)After the Renaissance of the 15th century and the industrial revolution of the 18th and 19th centuries, we are now witnessing an enormous revolution, incomparable to the fi rst two, a revolution of a diff erent dimension. ... -
Development of the Automatic Star-Delta starter
( Qatar University Young Scientists Center - Qatar University , 2024 , Conference)This paper studies the star-delta method for starting induction motors with a focus on its connection method and its components to develop this circuit to reduce its cost without affecting its performance and reliability ...
