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السجلات المعروضة 15493 -- 15512 من 26404
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Optimization of base stations density for hybrid energy based 3-D wireless networks
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)Hybrid energy supply (HES) based wireless communication systems have recently emerged as a new paradigm to enable green networks, which are powered by both the traditional and harvested energies. In this paper, we propose ... -
Optimization of bioinsecticides overproduction by Bacillus thuringiensis subsp. kurstaki using linear regression
( Polish Society of Microbiologists , 2013 , Article)A multiple linear regression analyses were performed to screen for the significant factors simultaneously influencing production of delta-endotoxin, proteolytic activities and spore formation by a Bacillus thuringiensis ... -
Optimization of chiral lattice based metastructures for broadband vibration suppression using genetic algorithms
( Academic Press , 2016 , Article)One of the major challenges in civil, mechanical, and aerospace engineering is to develop vibration suppression systems with high efficiency and low cost. Recent studies have shown that high damping performance at broadband ... -
Optimization of CO2/H2 Separation over Ba-SAPO-34 Zeolite Membrane Synthesized by Microwave Heating
( MDPI , 2022 , Article)CO2/H2 separation using membrane technology is an important research area in order to obtain high purity hydrogen as one source of clean energy. Finding a suitable inorganic membrane is one of the critical issues, which ... -
Optimization of collaborative spectrum sensing with limited time resource
( Springer Verlag , 2015 , Conference Paper)In this paper, Cognitive Radios (CRs) collaborate in spectrum sensing to detect random signals corrupted by Gaussian noise. Our analysis is based on a limited time resource assumption. This implies that the time resource ... -
Optimization of cultivation conditions for combined nutrient removal and CO2 fixation in a batch photobioreactor
( John Wiley and Sons Ltd , 2017 , Article)BACKGROUND The application of Chlorella vulgaris for simultaneous CO2 biofixation and nutrient removal has been optimised using response surface methodology (RSM) based on Box Behnken design (BBD). Experimental conditions ... -
Optimization of design and operation of solar assisted district cooling systems
( Elsevier , 2020 , Article)The demand for air conditioning and cooling services is rapidly increasing worldwide. As cooling demand has high coincidence to occur in countries with high solar irradiation, the combination of solar thermal energy and ... -
Optimization of effective area spectral efficiency for wireless communications systems under Nakagami-m fading channels
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)In this paper, we present an optimization of the effective area spectral efficiency (EASE) metric for point-to-point transmission systems, and decode-and-forward (DF) relaying communications networks under Nakagami-m fading ... -
Optimization of energy pile conductance using finite element and fractional factorial design of experiment
( Springer Verlag , 2019 , Book chapter)In Ground Source Heat Pumps (GSHP), Energy Piles pose as heat exchangers that transfer the heat from the buildings to the shallow ground lower temperature in order to decrease the energy consumption whilst cooling the ... -
Optimization of energy pile conductance using finite element and fractional factorial design of experiment
( Institute of Physics Publishing , 2018 , Conference Paper)In Ground Source Heat Pumps (GSHP), Energy Piles pose as heat exchangers that transfer the heat from the buildings to the shallow ground lower temperature in order to decrease the energy consumption whilst cooling the ... -
Optimization of iron dosage for microalgal biomass production as a feedstock for biofuel
( Taylor and Francis Ltd. , 2019 , Article)Summary: Biomass and metabolite production of three marine (Tetraselmis sp., Nannochloropsis sp., Chlorocystis sp.) and three freshwater microalgae (Scenedesmus sp., Chlorella sp., Monoraphidium sp.) were studied under ... -
Optimization of ITO glass/TiO2 based DSSC photo-anodes through electrophoretic deposition and sintering techniques
( Elsevier Ltd , 2017 , Article)In the current study, TiO2 layers were deposited onto Indium Tin Oxide (ITO) coated glass substrates at varied voltage levels ranging from 2.5 VDC to 7.5 VDC, using Electrophoretic deposition (EPD) process. Subsequently, ... -
Optimization of linear zigzag insert metastructures for low-frequency vibration attenuation using genetic algorithms
( Academic Press , 2017 , Article)Vibration suppression remains a crucial issue in the design of structures and machines. Recent studies have shown that with the use of metamaterial inspired structures (or metastructures), considerable vibration attenuation ... -
Optimization of lycopene extraction from tomato peels industrial by-product using maceration in refined olive oil
( Institution of Chemical Engineers , 2019 , Article)Lycopene, a nutraceutical compound, was extracted from a Tunisian industrial tomato peels by-product using maceration in refined olive oil (ROO). To do, a Box–Behnken design was applied to maximize the lycopene recovery ... -
Optimization of magnesium recovery from reject brine for reuse in desalination post-treatment
( Elsevier Ltd , 2019 , Article)In this work, the recovery of magnesium from desalination reject brine through reaction with ammonia has been evaluated and statistically optimized using response surface methodology. The process is based on precipitation ... -
Optimization of magnetic nanoparticles draw solution for high water flux in forward osmosis
( MDPI , 2021 , Article)In this study, bare iron oxide nanoparticles were synthesized using a co-precipitation method and used as a draw solute in forward osmosis. The synthesis conditions of the nanoparticles were optimized using the Box-Behnken ... -
Optimization of multiple fuel utilization options in Tri-generation systems
( Elsevier , 2023 , Article)This work investigates the design of optimal tri-generation systems for heat, power and water production via multiple fuel selections, thus aiming to reduce the reliance on fossil fuel consumption. Generally speaking, ... -
Optimization of nickel oxide nanoparticle synthesis through the sol-gel method using Box-Behnken design
( Elsevier BV , 2015 , Article)In this study, nickel oxide nanoparticles were prepared using the sol-gel method. The process parameters were optimized to produce smaller size of nanoparticles such as molar ratio, solution pH and calcination temperatures. ... -
Optimization of performance and emission characteristics of CI engine fueled with Jatropha biodiesel produced using a heterogeneous catalyst (CaO)
( Elsevier Ltd , 2020 , Article)This study includes the use of heterogeneous catalyst (CaO) for the production of Jatropha biodiesel through transesterification reaction. The heterogeneous transesterification delivered a yield of 81.6% at 5 wt% catalyst ... -
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 ...
