تصفح Theme 1: Energy, Environment & Resource Sustainability حسب العنوان
السجلات المعروضة 18 -- 37 من 108
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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 ... -
Cellulose microfibers (CMFs) reinforced smart self-healing polymeric composite coatings for corrosion protection of steel
( Qatar University Press , 2020 , Poster)The use of organic coating for the metals has been widely being used to protect the surface against corrosion. Polymeric coating incorporated with Nanocontainers loaded with inhibitor and self-healing provides better ... -
Characterization of the Extracellular Polymeric Substances (EPS) of Virgibacillus strains capable of mediating the formation of high Mg-calcite and protodolomite
( Qatar University Press , 2020 , Poster)The origin of dolomite -a common carbonate mineral- is the subject of an ongoing debate. It has been proposed that extracellular polymeric substances (EPS) excreted by microbes contain specific organic molecules that ... -
Combustion-Free Synthesis of Lithium Manganese Oxide Composites with CNTs/GNPs by Chemical Coprecipitation for Energy Storage Devices
( Qatar University Press , 2020 , Poster)Nano Spinel Lithium Manganese Oxide (LiMn2O4) was distributed properly on carbon nanotubes ( CNTs) and graphene nanoplatelets (GNPs) using chemical coprecipitation method. The original particle size was less than 40 nm, ... -
Construction of Modified CuO-Co3O4-ZnO Electrode for Acetone Detection in Breath
( Qatar University Press , 2020 , Poster)Acetone in breath can be used as a biomarker for noninvasive detection of diabetes. The acetone level in breath is substantially high for diabetic patients. In this study, mixed metal oxide nanocomposite of CuO-Co3O4 -ZnO ... -
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 ... -
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 ... -
Developing an Interactive Data Visualization Platform to Present the Adaption of Electrical Vehicles in Washington, California and New York
( Qatar University Press , 2020 , Poster)This paper is an overview of using data visualization tools to provide a better insight into a large amount of data and represent the data in a visualized form. The used data is related to Electric Vehicles (EV) usage in ... -
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 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 ... -
Development of Polymer Modified Graphene Oxide Nanocomposite Membranes to Reduce both Scaling and Biofouling
( Qatar University Press , 2020 , Poster)In seawater reverse osmosis (SWRO), membrane scaling is one of the major issues affecting its widespread application in the desalination industry. In this research, the effect of concentration of calcium and sulfate ions ... -
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 ... -
DFT-MD dissolution of oilfield pyrite scale using borax
( Qatar University Press , 2020 , Poster)Introduction: Oilfield scales including pyrite form in oil and gas pipelines, underground tubing, and surface equipment thus blocking the flow of fluids and hindering production. Hence, the need for the development of ... -
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 ... -
Distribution and Diversity of Benthic Marine Macroalgae in Islands Around Qatar
( Qatar University Press , 2020 , Poster)Extending into the Arabian Gulf, Qatar is surrounded by a number of islands mostly scattered by the eastern coastline. With the unique physical characteristics of the Gulf which is a highly saline sea with high seawater ... -
Do Oil and Gas Revenues Promote Economic Diversification in Qatar?
( Qatar University Press , 2020 , Poster)The aim of this paper is to explore the short- and long-run asymmetric impact of oil prices shocks and oil and gas revenues changes on the total real GDP, and the level of economic diversification of the Qatar economy. To ... -
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 ... -
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.) ...