QUARFE 2020: المرسلات الحديثة
السجلات المعروضة 181 -- 200 من 305
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Investigation and Biological Control of Toxigenic Fungi and Mycotoxins in Dairy Cattle Feeds
( Qatar University Press , 2020 , Poster)Mycotoxins, the secondary fungal metabolites are important contaminants of food and feed. Among the other contaminants, aflatoxin B1 (AFB1) and OTA are frequently detected in the animal feed product. In the present study, ... -
Linking Soil Chemical Parameters and Fungal Diversity in Qatar
( Qatar University Press , 2020 , Poster)Given the vast expanse of Qatar's dryland ecosystems, agricultural productivity and soil stability is highly dependent on the diversity of soil microbiota. The soil environment is a heterogeneous habitat shaped by various ... -
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 ... -
Novel solar driven cooling system integrated with solar still system
( Qatar University Press , 2020 , Poster)Novel integrated solar cooling and solar distillation system is introduced to meet the high cooling and fresh water demands in hot and arid regions such as Qatar. The system is composed of a solar-driven ejector cooling ... -
A preliminary checklist of the ants (Hymenoptera: Formicidae) of Qatar
( Qatar University Press , 2020 , Poster)The State of Qatar is a small peninsula located in the northeastern part of the Arabian Peninsula. It is classified as a subtropical desert with a very extreme harsh climatic conditions in summer and mild winter. Information ... -
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, ... -
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. ... -
Polymer nanocomposite-based Moisture Sensors for Monitoring of the Water Contents in the Natural Gas Pipelines
( Qatar University Press , 2020 , Poster)In this study, the polymer-based humidity sensors investigated for humidity sensing applications. The key advantages of polymers that have garnered this attraction are their lightweight, easy preparation, and low cost of ... -
Environmentally-Powered WSN for Urban-Scale Mapping and Assessment of Air Quality in Qatar
( Qatar University Press , 2020 , Poster)Environmental monitoring has gained significant importance in outdoor air quality measurement and assessment for fundamental survival as well as ambient assisted living. In real-time outdoor urban scale, instantaneous air ... -
Adhesion Improvement between Polyethylene and Aluminium Using Eco-Friendly Plasma Treatment
( Qatar University Press , 2020 , Poster)Lamina made of Low density polyethylene (LDPE) and Aluminium(Al) is used widely in many applications, especially in food packaging (TetraPak containers).However; it's found that the adhesive bond between LDPE-Al is low due ... -
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.) ... -
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. ... -
The influence of Carbon Nanotubes on the Thermoelectric Properties of Bismuth Telluride
( Qatar University Press , 2020 , Poster)Thermoelectric materials are devices that have the ability to convert waste heat to electricity. The widespread use of thermoelectric materials is currently limited by the low value their figure-of-merit (ZT). Bismuth ... -
Drone-based Cooling Leakage Measurement from Glass Front Towers
( Qatar University Press , 2020 , Poster)Drones are increasingly gaining more attention these days and they are employed in several applications. At the same time, the steps towards saving energy and improving the efficiency of the buildings are significantly ... -
Facile synthesis of mesoporous silica nanoparticles and its electrochemical conversion of CO2 to fuels
( Qatar University Press , 2020 , Poster)The increasing amount of CO2 emissions from the industries is proving to have disastrous consequences on the environment. It would be highly beneficial if this CO2 is to be recycled and converted into useful fuel. The aim ... -
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 ... -
Biocontrol Activities of Bacillus megaterium Volatile Organic Compounds (VOCs) Against Mycotoxigenic Aspergillus, Penicillium and Fusarium fungi
( Qatar University Press , 2020 , Poster)Mycotoxins are secondary metabolites that are produced by toxigenic fungi once the temperature and humidity are appropriate. Mycotoxins are known to have adverse health effects. There are chemical, physical, thermal and ... -
The use of Principle Component Analysis and MALDI-TOF MS for the differentiation of mineral forming Virgibacillus and Bacillus species isolated from Sabkhas.
( Qatar University Press , 2020 , Poster)Occurrence of mineral forming and other bacteria in mats is well demonstrated. However, their high diversity shown by ribotyping was not explained, although could explain the diversity of formed minerals. Common biomarkers ... -
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 ...
