QUARFE 2020: Recent submissions
Now showing items 181-200 of 305
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Effect of Seagrass Liquid Extracts on Bell Pepper (Capsicum annuum) Under Salt stress Conditions.
( Qatar University Press , 2020 , Poster)Salinity is considered as major environmental challenge that affects crop growth and productivity. This study investigated the application of Haodule univervis seagrass liquid extract on bell pepper (Capsicum annuum L.) ... -
Detection of acetone in breath solution using nanocomposite CeO2-NiO-ZnO
( Qatar University Press , 2020 , Poster)Acetone level of diabetic patients from their breath can be detected. The effect of CeO2 -NiO-ZnO nanocomposite was studied by adding different concentration of acetone. Structural (XRD, Raman) and morphological (SEM with ... -
Corrosion behavior of Epoxy/ZnO-NiO nanocomposite coating on steel substrate
( Qatar University Press , 2020 , Poster)Corrosion is a very common natural phenomenon which leads to huge losses especially in the building construction, turbines in the industries and several other fields. In this research we synthesized and developed new coating ... -
Synthesis and characterization of vanadium (IV)-flavonoid complexes and its antioxidant ability toward superoxide and radical scavenging
( Qatar University Press , 2020 , Poster)In this project Vanadium complex -Vanadium (IV) - flavone was synthesized using vanadium(IV) acetylacetonate (VO(acac)2) complex and 3-hydroxy-6-methyl flavone ligand. The complex stability was checked using FTIR and UV-vis ... -
Development of PLA Fibers as an Antimicrobial Agent with enhanced infection resistance using electrospinning/plasma technology
( Qatar University Press , 2020 , Poster)Humans are vulnerable and easily prone to all kind of injuries, diseases, and traumas that can be damaging to their tissues (including its building unit, cells), bones, or even organs. Therefore, they would need assistance ... -
Synthesis and characterization of Ni-P/TiC composite coating through one step co-electrodeposition
( Qatar University Press , 2020 , Poster)Coatings are considered to be promising solution for the corrosion and wear in various industries.NiP coatings are well known for their anticorrosive behavior but lack mechanical strength. In present study, the effect of ... -
A Novel Modified Switched Inductor Boost Converter with Reduced Switch Voltage Stress
( Qatar University Press , 2020 , Poster)DC-DC power converters are necessary to step-up the voltage or current with high conversion ratio for many applications e.g. photovoltaic and fuel cell energy conversion, uninterruptible power supply, DC microgrid, automobile, ... -
Development of in-situ sensors for CO2 to fuel process
( Qatar University Press , 2020 , Poster)Conversion of CO2 into fuel is an interesting and promising field. However, the conversion yield is hard to measure during the conversion process. Here, we have developed two techniques to measure the amount of CO2 while ... -
Development of Sustainable Eco-friendly Geopolymer Composites for Construction Applications
( Qatar University Press , 2020 , Poster)Geopolymerization is a process where silica and alumina rich source materials turns into excellent binding materials by the aid of alkali solutions. Materials such as fly ash are by-products in energy power plants. Fly ash ... -
Cantilever Beam Metastructure for Active Broadband Vibration Suppression
( Qatar University Press , 2020 , Poster)This paper presents a beam structure of a new metamaterial-inspired dynamic vibration attenuation system. The proposed experimental research presents a designed cantilevered zigzag structure that can have natural frequencies ... -
Dimmable LED Driver For DC Distributed Lighting System
( Qatar University Press , 2020 , Poster)This Abstract proposes a high brightness, high efficiency, dimmable LED driver based on linear current regulator technology for DC grid distribution systems. The proposed driver has excellent characteristics like the highest ... -
Preparation and Characterization of Fe3O4 nanoparticles and Its Application in Produced Water Treatment and Oil Recovery
( Qatar University Press , 2020 , Poster)Recently, considerable amounts of oil were produced from petroleum industries and lead to serious environmental problems. In this study, Fe3O4 (MNPs) were prepared using combustion synthesis method at temperature range ... -
Assessment of Tarmat contamination and its chemical characterization along the west coast of Qatar, Arabian Gulf
( Qatar University Press , 2020 , Poster)Tarmat/Oil residue (hereafter 'TM') is one of the serious threats to the marine ecosystem due to their toxicity, persistence and bioaccumulation problems. To assess the level of TM contamination and to determine the primary ... -
Approaches to achieve sustainable use and management of groundwater resources in Qatar
( Qatar University Press , 2020 , Poster)This paper reviews the hydro-geochemical characterization of Qatar's aquifer. In addition, it highlights the opportunities in the current groundwater management practices to achieve a sustainable groundwater use in Qatar ... -
Pilot Scale Osmotic Concentration Process for Reducing Wastewater Volumes from Gas Processing Facilities in Qatar
( Qatar University Press , 2020 , Poster)Over the past 10-15 years, there has been increasing attention in the development of forward osmosis (FO) technology as a low-energy technical solution to wastewater treatment through the exploitation of the natural osmosis ... -
Parametric study on moment redistribution of fiber reinforced concrete continuous beams with basalt FRP bars
( Qatar University Press , 2020 , Poster)The state of Qatar is suffering from its harsh environment and coastal conditions which stand for most of the year. As a result, steel-reinforced concrete structures are subjected to rapid corrosion and deterioration. ... -
Power Electronic Converter for Efficient Home Energy Management
( Qatar University Press , 2020 , Poster)The residential and commercial buildings are going green to reduce the carbon footprint. To improve the energy efficiency of the buildings, the Internet of Things can be used in conjunction with power electronic converters ... -
Shear Behavior of Fiber Reinforced Concrete Beams with Basalt FRP Reinforcing Bars and Glass FRP Stirrups
( Qatar University Press , 2020 , Poster)The State of Qatar suffers from a harsh environment in the form of high temperature that prevails almost all year round in addition to severe humidity and coastal conditions. This exposure leads to the rapid deterioration ... -
Influence of Water Table Fluctuation on Natural Source Zone Depletion in Hydrocarbon Contaminated Subsurface Environments
( Qatar University Press , 2020 , Poster)Most of the prediction theories regarding dissolution of organic contaminants in the subsurface systems have been proposed based on the static water conditions; and the influence of water fluctuations on mass removal ... -
Effects of current, electrodes spacing and operational time on the removal of heavy metals from primary treated municipal wastewater using dielectrophoresis.
( Qatar University Press , 2020 , Poster)Electrocoagulation (EC) is an emerging technology that has been used to treat heavy metals from different kinds of wastewater. This paper discusses the effects of inducing Dielectrophoretic (DEP) force in EC system for the ...