Browsing QUARFE 2021 by Title
Now showing items 101-120 of 204
-
Life Cycle Cost Analysis for Variable Refrigerant Flow (VRF) and Constant Refrigerant Flow (CRF) Air Conditioning Systems in Arid Climate: Case Study in Qatar
( Qatar University Press , 2021 , Poster)All over the world, there is a call to encourage sustainable energy thinking and implementation. In the heating, ventilation and air conditioning field, the rise of the variable refrigerant flow systems has made a big ... -
Liquid exfoliated MoS2 sheet coupled with conductive polyaniline for gas sensor
( Qatar University Press , 2021 , Poster)Polyaniline (PANI)/MoS2 composites with porous microspheres were prepared by a hydrothermal and in situ polymerization method. The structural, optical, and morphological properties were characterized by X-ray powder ... -
Lithium capture in seawater reverse osmosis (SWRO) brine using membrane-based capacitive deionization (MCDI) system
( Qatar University Press , 2021 , Poster)Lithium-battery based industries including vehicles, electronics, fusion and thermonuclear, consume lithium rapidly, which raises the need for developing a lithium recovery system. Lithium global market consumption in 2016 ... -
Lithologic Characterization and Micropore Structures of Gas Shale Strata: An example from the Midra Shale of Western Qatar
( Qatar University Press , 2021 , Poster)Gas shale is the future hydrocarbon reservoir of Qatar. The Qatari geologic section has had important successions of gas shale at different geologic times including the Eocene Midra shale, the Cretaceous Ratawi and Nahr ... -
M-Service Quality of Telecom Companies in Qatar
( Qatar University Press , 2021 , Poster)Today, although mobile applications make our lives easier, the service quality provided by such applications has become a vital element in increasing customer satisfaction. This research paper aims to identify the significant ... -
Machine Learning Approach to Predict Metro Ridership based on Land Use Densities
( Qatar University Press , 2021 , Poster)Predicting metro ridership is an essential requirement for efficient metro operation and management. The dependence of metro ridership on the land use densities entails a need for an accurate predictive model. To this end, ... -
Magnetorheological Elastomer (MRE) based torsional vibration isolator for application in a prototype drilling shaft
( Qatar University Press , 2021 , Poster)Magnetorheological Elastomer (MRE) is a type of smart composite material consisting of a polymer matrix embedded with ferromagnetic particles. In the presence of an external magnetic field, its mechanical properties, such ... -
Material Flow Analysis of Plastic Waste in Qatar: Focusing on the Marine Environment
( Qatar University Press , 2021 , Poster)As the population continues to grow, the generation of waste and specifically plastic waste, has also increased significantly in the past decades both globally and regionally. However, little attention has been directed ... -
Membrane Distillation Crystallization Hybrid Process for Zero Liquid Discharge in QAFCO Plant
( Qatar University Press , 2021 , Poster)Qatar fertilizer company (QAFCO) is one of the world’s largest single site producer of ammonia and urea with production capacity of 12,900 metric tons per day. Currently, QAFCO faces major challenges in terms of water ... -
Mental health problems in adults with diabetes: prevalence and potential determinants
( Qatar University Press , 2021 , Poster)Depression is associated with several chronic diseases such as diabetes. Diabetes is a long-term health disorder that have many health complications such as mental health problems, if left untreated. Our study aimed to ... -
Mercury levels in tar mat contaminated beaches and its marine organisms living along the Qatari coasts
( Qatar University Press , 2021 , Poster)One of the pollutants that affects the coastal environment of Qatar is the vast expanse of oil residue ‘tarmats’ deposited on its beaches. The current study is aimed at gauging the concentration levels of total mercury ... -
Metagenomic Analysis of Oral Microbiome during pregnancy
( Qatar University Press , 2021 , Poster)Pregnancy is a dynamic physiological process associated with significant hormonal, immune and metabolic changes to support the growth and development of the fetus. Several studies have highlighted the role of gut microbiota ... -
Microplastics in the beach sediments around the Ras Rakan Island, Qatar
( Qatar University Press , 2021 , Poster)The ubiquitous microplastic (MP) pollution is an emerging environmental issue in the marine environment. In this study, historical accumulation trends of MPs in the beach sediments around the Ras Rakan Island of Qatar have ... -
Military Fuel Cell-Based Vehicles: Modular Power DC-DC Converter System
( Qatar University Press , 2021 , Poster)Electric Vehicles (EVs) have attracted researchers' attention to further develop and enhance this strategic area. Compared to fuel-based vehicles, EVs are more in demand nowadays due to their high performance and modern ... -
Modelling and Analysis of Power Electronic Converters for EV Charging/Discharging for G2V, V2G and V2X Operations
( Qatar University Press , 2021 , Poster)The research work deals with the implementation of various chargers used for electric vehicles in the context of Qatar. These chargers are categorized as slow, fast, and super-fast chargers. The electric vehicles not only ... -
Multiple Output Contactless Inductive Power Transfer System For Electric Vehicle Battery Charging Station
( Qatar University Press , 2021 , Poster)The proposed fast-charging system is capable of simultaneously charging the three different duty electric vehicles (small, medium, heavy) at the same time. The size and weight of the proposed system are reduced by operating ... -
Needs Assessments approaches to inform Continuous Professional Development for Health Professionals: A Scoping Systematic Review
( Qatar University Press , 2021 , Poster)The need for continuing professional development (CPD) within the healthcare profession is well established. A rigorous learning need assessment (LNA) is a crucial initial step in the CPD process. Given the scarcity of the ... -
Ni-P-ZrC nanocomposite coating with enhanced corrosion resistance and mechanical properties.
( Qatar University Press , 2021 , Poster)Corrosion is considered to be greatest challenge for many industries. Nickel-based metallic coatings are emerging as one of the most suitable solution considering various aspects of operating conditions. The current ... -
Nitric Oxide Releasing Hydrogel Nanoparticles Decreases Epithelial Cell Injuries Associated With Airway Reopening
( Qatar University Press , 2021 , Poster)Introduction: Acute respiratory distress syndrome (ARDS) is an acute inflammatory lung condition. It is characterized by disruption of gas exchange inside the alveoli, accumulation of protein edema, and an increase in lung ... -
Novel Prosopis Juliflora Leaf Ethanolic extract as natural Antifungal agent against Botrytis Cinerea: Application on Strawberries’ shelf-life extension
( Qatar University Press , 2021 , Poster)Spoilage from fresh produces is a worldwide concern that accompanies the global increase in food demand. Adverse human health and environmental effects of commercial pesticides is a major public concern. Botrytis cinerea ...