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السجلات المعروضة 141 -- 150 من 504
Rational Synthesis, Characterization, and Application of Environmentally?Friendly (Polymer?Carbon Dot) Hybrid Composite Film for Fast and Efficient UV Assisted Cd2+ Removal from Water
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Qatar University Press
, 2020 , Poster)
Carbon-dots (CDs) are of particular interest in numerous applications. However, their efficiency for heavy metal removal from wastewater was not yet reported. Herein, we rationally synthesized CDs from petroleum-coke-waste ...
Activity of Antibiotic Producing Bacteria Isolated from Rhizosphere Soil Region of Different Medicinal Plants
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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 ...
Assessment of Urban Heat Islands Based on the Relationship Between Land Surface Temperature and Land Use/Land Cover in Greater Doha
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Qatar University Press
, 2020 , Poster)
Urban heat islands (UHI) are areas with elevated temperatures occurring in cities compared to surrounding rural areas. This study realizes the lack of research regarding the trends of UHIs in desert countries and focuses ...
Investigation of Bacillus Thuringiensis Plasmid Instability and its Effect on the Synthesis of Crystals
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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 ...
Monitoring the presence and investigation of toxigenic fungi and mycotoxins in poultry feed and its products
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Qatar University Press
, 2020 , Poster)
Contaminating poultry feed and their products with mycotoxins produced by fungi may cause many health effects on animals and human if they were at high concentrations. Therefore, it is imperative to regularly monitor the ...
Development of Sustainable Eco-friendly Geopolymer Composites for Construction Applications
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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 ...
Biosensing studies on CuO-MgO nanocomposites for glucose detection
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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 ...
Cantilever Beam Metastructure for Active Broadband Vibration Suppression
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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
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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
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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 ...