Browsing Research Units by Title
Now showing items 219-238 of 4565
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An Experimental and Kinetic Study of the Sorption of Carbon Dioxide onto Amine-Treated Oil Fly Ash
( Hindawi Publishing Corporation , 2016 , Article)A new CO2 adsorbent is produced from waste oil fly ash (OFA). Ammonium hydroxide solution is used to convert OFA to activated carbon. Then, the product is used for the adsorption of CO2 from a nitrogen/carbon dioxide ... -
An experimental investigation of emission performance of heterogenous catalyst jatropha biodiesel using RSM
( Elsevier Ltd , 2021 , Article)Tremendous growth in the number of automobiles in developed and developing global economies has exorbitantly boosted competition for petroleum products. Petroleum products derived from fossil fuels are predominantly ... -
An extensive analysis of mechanical, thermal and physical properties of jute fiber composites with different fiber orientations
( Elsevier Ltd , 2021 , Article)The study is aimed to find the effect of orientation of the woven jute fiber on the composites with epoxy matrix on the mechanical properties, thermal properties with different orientations (0°, 15°, 30°, 45°, 60° & 75°) ... -
An improved optimisation technique for the network-controlled pH process and DC motor using various controllers
( Taylor and Francis Ltd. , 2021 , Article)In this paper, two different systems, a pH process and a DC motor, are considered for networked control, where pH is a non-linear system and the DC motor is a linear system. Majority of the industries use the water as their ... -
An integrated approach for produced water treatment using microemulsions modified activated carbon
( Elsevier Ltd , 2019 , Article)In this study, the physical and chemical characterization of produced water was done followed by treatment through sand filtration coupled with activated carbon microemulsion modified activated carbon techniques. The results ... -
An Interactive Visualization Web Solution for Electricity Consumption in Qatar
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)The amount of raw data related to electricity companies is increasing rapidly with the increase of construction sites, population and Qatar preparation for 2022 world cup. A question arises from this situation is: How can ... -
An Investigation of the Swelling Kinetics of Bentonite Systems Using Particle Size Analysis
( Taylor and Francis Inc. , 2019 , Article)Particles size distribution (PSD) is introduced as a tool for analysis of bentonite aggregation and swelling kinetics. Raw Ca-bentonite was purified using a combined wet sieving and sedimentation processes, followed by ... -
An Ontological Security Approach to the Sport Diplomacy of Qatar Foreign Policy
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2022 , Conference Paper)George Orwell's famous quote "serious sport is war minus the shooting" explains the sponsorships and marketing strategy of Qatar foreign policy in global sports. Acceleration of the development of the objectives of 2030 ... -
AN OPTIMIZATION FRAMEWORK FOR ELECTRIC VEHICLES CHARGING STATIONS ALLOCATION USING DEMAND BASED ON CITY TRAFFIC COUNT
(2022 , Master Thesis)Selecting good locations for the placement of Electric Vehicle (EV) public charging stations is important for the uptake of EVs. As EVs are considered to have lower green gas emissions to internal combustion engines, the ... -
An Overview of Graphene-Based 2D/3D Nanostructures for Photocatalytic Applications
( Springer , 2022 , Article)Photocatalytic processes induced by inexhaustible solar energy have fascinated significant research to solve issues like energy crisis and environmental pollution since they possess several merits, like renewable energy ... -
An overview of pedestrian signal setting and implementation in the State of Qatar
( Elsevier B.V. , 2017 , Conference Paper)Pedestrian signal control is a main influencing factor on the Level of Service of crossing facilities and on the safety performance considering conflicts with vehicles. In signal design, pedestrian clearance time is a key ... -
Anaerobic Digestion of Olive MillWastewater and Process Derivatives—Biomethane Potential, Operation of a Continuous Fixed Bed Digester, and Germination Index
( MDPI , 2023 , Article)Olive mill wastewater (OMW) management is an economic and environmental challenge for olive oil-producing countries. The recovery of components with high added value, such as antioxidants, is a highly researched approach ... -
Analysis of CO2 Solubility and Absorption Heat into Aqueous 1-Diethylamino-2-propanol
( Elsevier , 2017 , Conference Paper)In this work, the CO2 equilibrium solubility in 2 M 1-diethylamino-2-propanol (1DEA2P) solution were determined as function of temperature (in the range of 298-333K), and CO2 partial pressure (in the range of 8-101 kPa). ... -
Analysis of E2F1 single-nucleotide polymorphisms reveals deleterious non-synonymous substitutions that disrupt E2F1-RB protein interaction in cancer
( Elsevier , 2024 , Article)Cancer is a medical condition that is caused by the abnormal growth and division of cells, leading to the formation of tumors. The E2F1 and RB pathways are critical in regulating cell cycle, and their dysregulation can ... -
An Analysis of Export Restriction Rules and Proposals Under the WTO
( Qatar University Press , 2018 , Other)This memorandum is a redacted version of a confidential research paper on export restriction negotiations in relation to food security under the auspices of the World Trade Organization (WTO). The complete version of this ... -
Analysis of gap parameters for the estimation of single lane roundabouts' capacity in the State of Qatar
( Elsevier B.V. , 2021 , Conference Paper)Entry capacity is an important parameter for evaluating the roundabout performance. In general, entry capacity is influenced by three gap parameters: critical gap, follow-up time and minimum headway of circulating vehicles. ... -
Analysis of illegal pedestrian crossing behavior on a major divided arterial road
( Elsevier Ltd , 2018 , Article)Pedestrians’ illegal mid-block crossing increases the chances of a crash compared to crossing at marked or signalized crosswalks. Therefore, it is necessary to have an accurate understanding of this type of behavior to be ... -
Analysis of partial electrocoalescence by Level-Set and finite element methods
( Institution of Chemical Engineers , 2016 , Article)The coalescence of a water drop in a dieletric oil phase at a water layer interface in the presence of an electric field is simulated by solving the Navier Stokes and charge conservation equations with the finite element ... -
Analysis of Partial Electrocoalescence by Level-Set and Finite Element Methods
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)The coalescence of a water drop in a dieletric oil phase at a water layer interface in the presence of an electric field is simulated by solving the Navier-Stokes and charge conservation equations with the finite element ... -
Analysis of Resistance to Antimicrobials and Presence of Virulence/Stress Response Genes in Campylobacter Isolates from Patients with Severe Diarrhoea
( Public Library of Science , 2015 , Article)Campylobacter infections are a major cause of diarrhoea world-wide and two of the antimicrobials used for their control (erythromycin and ciprofloxacin) have been losing efficacy in recent years. In a sample of 174 ...