Now showing items 1-20 of 108
-
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, ... -
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 study comparing conventional heating and microwave assistance heating to recover metals from Municipal Solid Waste using microwave-assisted leaching technique
( Qatar University Press , 2020 , Poster)This study investigates and compares microwave heating radiation with conventional heating. Incinerated Municipal Solid Waste (IMSW) bottom ash (BA) and fly ash (FA) was utilized to to recover various metals including Co, ... -
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 ... -
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 ... -
Advanced degradation of organic substance in water using no-ferric Fenton reaction on Titania nanotube
( Qatar University Press , 2020 , Poster)Highly reactive OH radicals facilitate advanced oxidation processes (AOPs) [1]. AOPs are irreplaceable in environmental remediation including but not limited to pollutant degradation [2]. H2O2 leading to OH radicals in ... -
Algae-based biofertilizer for date palm cultivation in Qatar
( Qatar University Press , 2020 , Poster)Date palm (Phoenix dactylifera L.) is the main fruit crop found in the arid and semi-arid regions of the world. It naturally adapts to the adverse environments of extreme heat and water scarcity and prevents further ... -
Alginate-mediated synthesis of hetero-shaped silver nanoparticles and their hydrogen peroxide sensing ability
( Qatar University Press , 2020 , Poster)Silver nanoparticles have been the focus of extensive research for many decades due to their unique physical, chemical and electrical properties. Introducing new environmentally benign methods for the synthesis of silver ... -
Analyzing the urban heat island characteristics and mitigation strategies in eight arid and semi-arid cities
( Qatar University Press , 2020 , Poster)The aim of the study is two folds: first, the study analyze the formation of the Urban Heat Island (UHI) in eight different cities in arid and semi-arid region. The analysis is based on land cover / land use (LCLU) ... -
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 ... -
Assessment of Anti-proliferative and Anti-bacterial Activity of a Desert Microalgal Strain Desmodesmus sp.
( Qatar University Press , 2020 , Poster)Microalgae are believed to be a promising sources of different high value products (HVP). HVP are metabolites which are produced during the growth of microalgae and their production is triggered by the physiochemical growth ... -
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 ... -
Assessment of TPHs and PAHs in the Marine Sediment Relating to Oil and Gas Extraction Activity on the western coastline of Qatar
( Qatar University Press , 2020 , Poster)Total Petroleum Hydrocarbons (TPHs) and Polycyclic Aromatic Hydrocarbons (PAHs) are priority pollutants which are known to be associated with petroleum products. They are released into the marine environment via accidental ... -
Assessment of Urban Heat Islands Based on the Relationship Between Land Surface Temperature and Land Use/Land Cover in Greater Doha
( 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 ... -
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 ... -
Biological Control of Mycotoxigenic Fungi and Ochratoxin A by The In-Vitro Application of a Qatari Burkholderia cepacia Strain (QBC03)
( Qatar University Press , 2020 , Poster)Mycotoxins are secondary metabolites synthesized by mycotoxigenic fungi belonging mainly to three major fungal genera that are Aspergillus, Fusarium and Penicillium. The latter mycotoxigenic fungi contaminate plants and ... -
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 ... -
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 ... -
Capacitive type Humidity sensor based on PANI decorated Cu-ZnS porous micropshere
( Qatar University Press , 2020 , Poster)PANI coated Cu-ZnS porous microsphere structures have been synthesized by hydrothermal method and in-situ polymerization process. The synthesized composite is characterized by different techniques in order to study the ... -
Catalytic decomposition of ethanol over bimetallic NiCo catalysts for carbon nanotube synthesis
( Qatar University Press , 2020 , Poster)In this work we investigate the use of NiCo bimetal/oxide as catalyst for hydrogen production from ethanol, with a focus on the deactivation pattern and the nature of the observed carbon deposition [1, 2]. It is well known ...
