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decrease » decreased (توسيع البحث), increase (توسيع البحث)
fuel » full (توسيع البحث)
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Application of Zn-ferrite towards thermochemical utilization of carbon dioxide: A thermodynamic investigation
منشور في 2021"…At a steady gas-to-gas heat recovery effectiveness equal to 0.7, a rise in the ratio of the molar flow rate of inert sweep gas to the molar flow rate of ZnFe<sub>2</sub>O<sub>4</sub> from 10 to 90 is responsible for an increase in the thermal energy required to drive the cycle above 184.9 kW by a factor of 1.45 and decrease in the solar-to-fuel energy conversion efficiency by 4%. …"
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Effects of the addition of a high energy density fuel, adamantane to diesel on its cetane number, sooting propensity, and soot nanostructural properties
منشور في 2022"…The addition of up to 6.75 wt% of adamantane in diesel significantly increased the smoke point of diesel from 18 to 29 mm (and threshold sooting index decreased by 44%), indicating a drastic drop in fuel sooting tendency. …"
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4
Corrigendum: Decreased interfacial dynamics caused by the N501Y mutation in the SARS-CoV-2 S1 spike:ACE2 complex
منشور في 2022"…<p dir="ltr">Corrigendum: Decreased interfacial dynamics caused by the N501Y mutation in the SARS-CoV-2 S1 spike:ACE2 complex: Frontiers in Molecular Biosciences <a href="https://dx.doi.org/10.3389/fmolb.2022.846996" target="_blank">https://dx.doi.org/10.3389/fmolb.2022.846996</a>, published online 22 July 2022.…"
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Correlating the rheological and magneto-optical properties of cobalt substituted magnetite ferrofluids (Co<sub>x</sub>Fe<sub>1−x</sub>Fe<sub>2</sub>O<sub>4</sub>) with theoretical...
منشور في 2023"…An environmental friendly method of co-precipitation is applied to generate Co<sub>x</sub>Fe<sub>1−x</sub>Fe<sub>2</sub>O<sub>4</sub> with variable dopant concentration (x = 0–0.8), which is deeply investigated by structural and functional property analyses of the ferrofluids. …"
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Design of an integrated system that combines the steam gasification of plastic waste and a solid oxide fuel cell for sustainable power generation
منشور في 2024"…<p dir="ltr">As part of sustainable development efforts, this study presents an innovative integrated system that combines the steam gasification of plastic waste with solid oxide fuel cells (SOFCs) to produce electricity. The proposed system is designed using Aspen Plus v10® with two primary units. …"
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Accelerating Care: Enhancing Patient Satisfaction through a Quality Initiative in the Obstetrics and Gynaecology Emergency Department at Al Wakra Hospital, Qatar
منشور في 2023"…The proportion of patients spending less than 8 hours in the OB ED observation beds rose from 74% in January 2022 to over 98% in 2023. Notably, there was a remarkable decrease in patients who Left Without Being Seen (LWBS) and in absconded patient rates from 2020 to 2023 (Figure 2).…"
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Removal of Benzene and Toluene from Synthetic Wastewater by Adsorption onto Magnetic Zeolitic Imidazole Framework Nanocomposites
منشور في 2022"…Thus, by performing the present study, the potential of Fe<sub>3</sub>O<sub>4</sub>/zeolite imidazolate framework nanoparticles (Fe<sub>3</sub>O<sub>4</sub>@ZIF-8) was evaluated for the adsorption of benzene and toluene. …"
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Geomorphological changes in the coastal area of Farasan Al-Kabir Island (Saudi Arabia) since mid Holocene based on a multi-proxy approach
منشور في 2018"…The geomorphological evolution of the southeastern coastal area of Farasan Al-Kabir Island (Saudi Arabia) is revealed by the mapping of modern landforms and a multi-proxy and high spatial resolution study including grain size, particulate organic carbon, mineralogy, element geochemistry, benthic foraminifera analysis and radiocarbon dating of a 3.3-m long sediment core. …"
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11
Effect of AlN nanoparticle concentration in the electrolyte on corrosion resistance and mechanical properties of the electrodeposited composite coatings
منشور في 2024"…This research aims to develop an innovative solution by incorporating AlN nanoparticles with various concentrations (0.1, 0.2, 0.4, and 0.8 g/L) as reinforcement in the Ni-P electrolyte to develop composite coatings using A36 carbon steel as a substrate through direct current (DC) electrodeposition method. …"
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Effect of AlN nanoparticle concentration in the electrolyte on corrosion resistance and mechanical properties of the electrodeposited composite coatings
منشور في 2024"…This research aims to develop an innovative solution by incorporating AlN nanoparticles with various concentrations (0.1, 0.2, 0.4, and 0.8 g/L) as reinforcement in the Ni-P electrolyte to develop composite coatings using A36 carbon steel as a substrate through direct current (DC) electrodeposition method. …"
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Mixed siliciclastic-carbonate-evaporite sedimentation in an arid eolian landscape: The Khor Al Adaid tide-dominated coastal embayment, Qatar
منشور في 2020"…The Khor Al Adaid embayment of southern Qatar represents a unique shallow-water mixed siliciclastic‑carbonate coastal depositional system that developed in a hyper-arid climatic setting over the past 6000 years. …"
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14
Resource recovery through bioremediation of fuel-synthesis wastewater in a biofilm photobioreactor using purple non-sulfur bacteria: A circular bioeconomy approach
منشور في 2024"…This study aims to treat fuel-synthesis wastewater (FSW), intending to recover various resources, including polyhydroxybutyrate (PHBs), single cell protein, bacteriochlorophylls, carotenoids, and coenzyme Q10 from suspended and biofilm growth to decrease the harvesting costs. …"
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A new insight into the separation of oil from oil/water emulsion by Fe<sub>3</sub>O<sub>4</sub>–SiO<sub>2</sub> nanoparticles
منشور في 2021"…For the oil recovery process, the Fe<sub>3</sub>O<sub>4</sub> was applied for the inhibition (i.e., decrease) of oil sedimentation, and the SiO<sub>2</sub> NPs were applied for wettability alteration and IFT reduction. …"
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16
Drying Studies of Purple Non-Sulphur Bacterial Biomass and Application as a Single-Cell Protein Feed for <i>Litopenaeus vannamei</i>
منشور في 2024"…The fuel synthesis process is a major economic industry for Qatar and produces one of the largest industrial wastewater flows.…"
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Application of Fe<sub>3</sub>O<sub>4</sub> magnetite nanoparticles grafted in silica (SiO<sub>2</sub>) for oil recovery from oil in water emulsions
منشور في 2021"…<p dir="ltr">In this study, an innovative magnetic demulsifier (MD) was prepared by grafting a silica layer onto the surface of the Fe<sub>3</sub>O<sub>4</sub> magnetic nanoparticles (MNPs) using the modified Stober process. …"
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18
Life cycle assessment and sustainability enhancement of closed-loop carbon dioxide enhanced oil recovery: Field-scale evaluation in Qatar’s Dukhan Reservoir
منشور في 2025"…Global warming potential (GWP100) decreased from 2.00 × 10¹⁰ kg CO₂-eq in Year 1 to 1.20 × 10⁹ kg CO₂-eq in Year 21, with a 16% reduction observed in Year 1 under the fuel gas recovery scenario. …"
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19
Microstructure and Compressive Behavior of Al–Y<sub>2</sub>O<sub>3</sub> Nanocomposites Prepared by Microwave-Assisted Mechanical Alloying
منشور في 2019"…The microhardness first increased from 38 Hv to 81 Hv, and then decreased to 74 ± 4 Hv for 1.5 vol. % yttria. The Al–1.5 vol. % Y<sub>2</sub>O<sub>3</sub> nanocomposite exhibited the best ultimate compressive strength and yielded a strength of 359 ± 7 and 111 ± 5 MPa, respectively. …"
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