تصفح Research Units حسب العنوان
السجلات المعروضة 2930 -- 2949 من 4710
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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 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 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 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 ... -
An optimized CT-dense agent perfusion and micro-CT imaging protocol for chick embryo developmental stages.
( BMC , 2024 , Article)Compared to classical techniques of morphological analysis, micro-CT (μ-CT) has become an effective approach allowing rapid screening of morphological changes. In the present work, we aimed to provide an optimized micro-CT ... -
Optimized long-range corrected density functionals for electronic and optical properties of bare and ligated CdSe quantum dots
( American Chemical Society , 2017 , Article)The reliable prediction of optical and fundamental gaps of finite size systems using density functional theory requires to account for the potential self-interaction error, which is notorious for degrading the description ... -
Optimizing and control of effective synthesize parameters for Fe3O4 nanoparticles using response surface methodology
( Springer Science and Business Media Deutschland GmbH , 2022 , Article)To control Fe3O4 nanoparticles (Fe3O4 NPs) size, different molar ratio of Fe2+ and Fe3+ as well as ammonium hydroxide (pH) was used to synthesize Fe3O4 NPs through co-precipitation method. The Box–Behnken design was selected ... -
Optimizing Energy-Distortion Trade-off for Vital Signs Delivery in Mobile Health Applications
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)Healthcare is considered a top priority worldwide, considering the swift increase in the number of chronic patients who require continuous monitoring. This motivates the researchers to develop scalable remote health ... -
Optimizing network pathways of CO2 conversion processes
( Elsevier Ltd , 2021 , Article)Carbon capture and utilization (CCU) has gained great attraction as an alternative route of producing carbon-based chemicals, which also mitigates atmospheric CO2. This paper develops a numerical optimization model that ... -
Optimizing the Extraction Conditions of Hydroxytyrosol from Olive Leaves Using a Modified Spherical Activated Carbon: A New Experimental Design
( Hindawi , 2022 , Article)The purification of hydroxytyrosol from olive leaves extract by modified activated carbon was studied experimentally in a batch system and a column by adsorption and desorption processes. The extraction yield reached 90% ... -
Optimum sintering method and temperature for cold compact Bismuth Telluride pellets for thermoelectric applications
( Qatar University Press , 2021 , Poster)This work intends to investigate the optimum sintering method and temperature that can improve the efficiency of bismuth telluride cold compact pellets for thermoelectric applications. Different p-type and n-type bismuth ... -
Optimum sintering method and temperature for cold compact Bismuth Telluride pellets for thermoelectric applications
( Elsevier , 2021 , Article)This work intends to investigate the optimum sintering method and temperature that can improve the efficiency of bismuth telluride cold compact pellets, for the thermoelectric applications. Different p-type and n-type ... -
Ordered porous metal oxide semiconductors for gas sensing
( Elsevier B.V. , 2018 , Article)Among various gas sensing materials, metal oxide semiconductors have shown great potential as resistive type sensors. The ordered porous structural metal oxide semiconductors with well-defined meso- or macro-pores chemically ... -
Organic materials amendments can improve NPK availability and maize growth by reducing heavy metals stress in calcareous soil
( Springer , 2023 , Article)The deficiency of nitrogen (N) and phosphorus (P) in calcareous soils of semi-arid climates is well recognized, and various green-based strategies have been employed to enhance their availability. However, the combined ... -
Organic nanostructure sensing layer developed by AAO template for the application in humidity sensors
( Springer New York LLC , 2019 , Article)The present study demonstrates a novel nanoporous structure of aluminium 1,8,15,22-tetrakis 29H,31H phthalocyanine chloride (AlPcCl) prepared by template-assisted method for a humidity sensor. The nanoporous sensing layer ... -
Organic Thin-Film Capacitive and Resistive Humidity Sensors: A Focus Review
( Wiley-VCH Verlag , 2018 , Article Review)In this paper, organic-based capacitive and resistive humidity sensors, starting from the fundamental working principles, designs, and characterization, are reviewed. The prevalent adoptions of recent technology in the ... -
Organically modified nanoclay filled thin-film nanocomposite membranes for reverse osmosis application
( MDPI AG , 2019 , Article)This study validates, for the first time, the effectiveness of two nanoclays, that is, cloisite (CS)-15A and montmorillonite (MNT) at the polyamide (PA) active layer in the reverse osmosis (RO) membrane. Cloisite-15A is ... -
Organizational innovation and the role of strategic planning: the case of the Dubai hotel industry
( emerald insight , 2023 , Article)Purpose In today's dynamic and competitive environment, innovation is a key requirement for hotels to survive, be profitable and sustain their competitive advantages. However, because the study of innovation in the ... -
Orientalism as a Cultural Root of Western Islamophobia
( University of Management and Technology , 2021 , Article)his paper focuses on Islamophobia as a phenomenon in the western context in order to understand its cultural roots that produce such a stereotype about Islam and the Muslims. It aims to discover these roots relying on the ...
