Browsing Qatar University Institutional Repository by Title
Now showing items 15851-15870 of 27858
-
Optimization of physicochemical and dielectric features in the conductive copolymers of aniline and 2-aminophenol
( Springer Verlag , 2019 , Article)The current exploration emphasizes improving the solubility and thermal characteristics of the homopolymers–polyaniline and poly-2-aminophenol via copolymerization technique with simultaneous optimization of conductivity ... -
Optimization of piezoelectric sensor-actuator for plate vibration control using evolutionary computation: Modeling, simulation and experimentation
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)The development of lightweight, stronger, and more flexible structures has received the utmost interest from many researchers. For this reason, piezoelectric materials, with their inherent electromechanical coupling, have ... -
Optimization of Polyacrylic Acid Coating on Graphene Oxide-Functionalized Reverse-Osmosis Membrane Using UV Radiation through Response Surface Methodology
( MDPI , 2022 , Article)Reverse osmosis (RO) is affected by multiple types of fouling such as biofouling, scaling, and organic fouling. Therefore, a multi-functional membrane capable of reducing more than one type of fouling is a need of the hour. ... -
Optimization of probability of error in collaborative spectrum sensing of time-limited cognitive radio networks
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)We study the probability of error optimization problem in collaborative spectrum sensing (CSS) with limited time resources in cognitive radio (CR) networks. The frame structures for sensing and data transmission, if the ... -
Optimization of reliability and maintenance of liquefaction system on FLNG terminals using Markov modelling
( Emerald Group Publishing Ltd. , 2014 , Article)Purpose: The purpose of this paper is to optimize system redundancy and maintenance intervals of a propane pre-cooled mixed refrigerant (C3MR) liquefaction process on floating liquefied natural gas (FLNG) export platforms. ... -
Optimization of selection of chain amine scrubbers for CO2 capture
( Springer Verlag , 2014 , Article)In order to optimize the selection of a suitable amine molecule for CO2 scrubbers, a series of ab initio calculations were performed at the B3LYP/6-31+G(d,p) level of theory. Diethylenetriamine was used as a simple chain ... -
Optimization of Sink Locations in Carbon Integration Networks
( Elsevier B.V. , 2022 , Book chapter)The detrimental environmental impacts of climate change that are a result of high atmospheric CO2 concentrations have prompted global efforts to limit the continuous increase in greenhouse gas (GHG) emissions. Many are now ... -
Optimization of steady-state and dynamic performances of water–gas shift reaction in membrane reactor
( Institution of Chemical Engineers , 2018 , Article)© 2018 Institution of Chemical Engineers Membrane rector technology has been increasingly recognized as a promising solution to produce high-purity hydrogen and to support future realization of hydrogen economy. Although ... -
Optimization of tank engine crank shaft material properties
( Taylor and Francis Ltd. , 2023 , Article)Metals and coating materials, with best material properties are highly desired in the field of engineering to control the stresses and strains, that play important role in design strategies. The crankshaft, an important ... -
Optimization of the Biotreatment of GTL Process Water Using Pseudomonas aeruginosa Immobilized in PVA Hydrogel
( MDPI , 2022 , Article)The COD reduction in gas to liquid (GTL) process water was optimized using response surface methodology (RSM). The biodegradation process was carried out in a spouted bed bioreactor (SBBR) using Pseudomonas aeruginosa ... -
Optimization Of The Electronic And Optical Properties Of Tio2 For Clean Fuel Production
( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)Among different crystal structures and morphologies of TiO2, vertically oriented anatase nanotube arrays show the highest activity for solar energy conversion. However, the long-standing bottleneck is the fact that TiO2 ... -
Optimization of the multi-carburant dose as an energy source for the application of the HCCI engine
( Elsevier Ltd , 2019 , Article)The issue of utilizing multi-fuels for enhancing the burning process in the “Homogeneous charge compression ignition” HCCI engine cylinder has been developing significantly during the last decades. This technique has ... -
Optimization of the skew angle of rotor magnetic poles in permanent magnet machines based on the inverse problem method
( IEEE , 1997 , Conference Paper)This paper presents optimization of the skew angle of rotor magnetic poles in permanent magnet class of machines. The skew angle optimization is achieved using the gradient based inverse problem methodology. The paper ... -
Optimization of the skew angle of rotor poles in permanent magnet machines based on the inverse problem method
( IEEE , 1999 , Article)This paper presents optimization of the skew angle of rotor magnetic poles in permanent magnet brushless dc machines. The skew angle optimization is achieved using the gradient based inverse problem methodology. The paper ... -
Optimization of thermostable proteases production under agro-wastes solid-state fermentation by a new thermophilic Mycothermus thermophilus isolated from a hydrothermal spring Hammam Debagh, Algeria
( Elsevier Ltd , 2022 , Article)The present work investigates for the first time the presence and isolation of the thermophilic fungi from hydrothermal spring situated at the locality of Guelma, in the Northeast of Algeria. The production of the thermostable ... -
Optimization Of Urban Systems Using A Nexus Based Urban Algae Production
(2019 , Master Thesis)Global urbanization–triggered resource stress and climate change have become the prime motivators for sustainable development goals among countries. A system based nexus in the main three resources—food, water, and ... -
Optimization of Viscoelastic Metamaterials for Vibration Attenuation Properties
( World Scientific , 2020 , Article)Metamaterials (MMs) are composites that are artificially engineered to have unconventional mechanical properties that stem from their microstructural geometry rather than from their chemical composition. Several studies ... -
Optimization on ports activation towards energy efficient data center networks
( Springer Verlag , 2018 , Conference Paper)Nowadays, Internet of thing including network support (i.e. checking social media, sending emails, video conferencing) requires smart and efficient data centers to support these services. Hence, data centers become more ... -
Optimization Solutions for Demand Side Management and Monitoring
( Springer Science and Business Media Deutschland GmbH , 2021 , Book chapter)For the last couple of decades, power consumption has been growing exponentially. The traditional power grids are experiencing various challenges such as reliability and sustainability. Due to limited energy resources and ... -
Optimization-based very large-scale neighborhood search for generalized assignment problems with location/allocation considerations
( INFORMS Inst.for Operations Res.and the Management Sciences , 2016 , Article)This paper introduces a novel class of generalized assignment problems with location/allocation considerations that arises in several applications including retail shelf space allocation. We consider a set of items where ...