Qatar University Annual Research Forum & Exhibition: المرسلات الحديثة
السجلات المعروضة 381 -- 400 من 509
-
Activity of Antibiotic Producing Bacteria Isolated from Rhizosphere Soil Region of Different Medicinal Plants
( Qatar University Press , 2020 , Poster)The rhizosphere soil of medicinal plants is rich in microorganisms that develop antibiotics as natural mechanism of protection against other microbes that live in their vicinity. The present study aims to explore the ... -
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 ... -
Highly active bifunctional LaMO3 (M=Cr, Mn, Fe, Co, Ni) perovskites for oxygen reduction and oxygen evolution reaction in alkaline media
( Qatar University Press , 2020 , Poster)Lanthanum based electrocatalytically active perovskites, LaMO3 (M=Cr, Mn, Fe, Co, Ni), were synthesized using a single step solution combustion synthesis technique. The perovskites showed exceptional performance for oxygen ... -
Investigation of Bacillus Thuringiensis Plasmid Instability and its Effect on the Synthesis of Crystals
( Qatar University Press , 2020 , Poster)In order to explore plasmid instability in Bt, four Bt strains belonging to two Bt subspecies were cultured at 42°C for 9 days. HD1 and QBT376 belong to subspecies kurstaki, while H14 and QBT218 belong to subspecies ... -
Non-invasive Electrochemical Detection of Glucose using CuO-NiO/MXene Modified Electrode
( Qatar University Press , 2020 , Poster)High levels of glucose or acetone in breath confirms diabetes disease. One of the analytical devices that detect changes in breath is the electrochemical sensor having high selectivity, easy to use and being able to meet ... -
Using Synthetic Resins for Removal of Emulsified Oil from Produced Water.
( Qatar University Press , 2020 , Poster)In this study, adsorption of emulsified oil in produced water was experimented using synthetic resins. Adsorbent dosage, contact time, initial oil concentration, and PH were the main key parameters evaluated for Optipore ... -
Biosensing studies on CuO-MgO nanocomposites for glucose detection
( Qatar University Press , 2020 , Poster)Approximately 3 million people around the world suffer from diabetes. One of the basic indications of an individual suffering from diabetes can be observed in the form of peaked levels of glucose in the blood. Thus, it is ... -
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.) ... -
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 ... -
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 ... -
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 ... -
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. ... -
Operational Performance and Safety Assessment of Signalized Roundabout
( Qatar University Press , 2020 , Poster)Roundabouts are widely used to reduce the severity of conflicts at intersecting roads. While they tend to provide an acceptable level of traffic operation, their operational benefits are reduced when traffic demands increase. ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ...
