Browsing Research Units by Title
Now showing items 2965-2984 of 4762
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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 ... -
Origanum syriacum L. Attenuates the Malignant Phenotype of MDA-MB231 Breast Cancer Cells
( Frontiers Media , 2022 , Article)Breast cancer is the leading cause of cancer-related deaths among women. Among breast cancer types, triple negative breast cancer (TNBC) is the most aggressive, and is resistant to hormonal and chemotherapeutic treatments. ... -
Origin of TPHs and PAHs in the marine sediment nearby oil and gas extraction sites on the west coast of Qatar
( Qatar University Press , 2021 , Poster)Total Petroleum Hydrocarbons (TPHs) and Polycyclic Aromatic Hydrocarbons (PAHs) are priority pollutants, which are known to be associated with petroleum products. They are released into the marine environment via accidental ...