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metal » meta (توسيع البحث)
decrease » decreased (توسيع البحث), increase (توسيع البحث)
per » peer (توسيع البحث)
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Impact of trace noble metals on the catalytic performance of LaNiMgO towards methane dry reforming
منشور في 2024"…In addition, the presence of noble metals at the Ni surface afforded a high density of adsorbed oxygen species, which enhanced coke gasification and consequently decreased the extent of deactivation of the catalysts by coke formation. …"
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2
Impact of trace noble metals on the catalytic performance of LaNiMgO towards methane dry reforming
منشور في 2024"…In addition, the presence of noble metals at the Ni surface afforded a high density of adsorbed oxygen species, which enhanced coke gasification and consequently decreased the extent of deactivation of the catalysts by coke formation. …"
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3
Novel Wire Gripper for Robotics Picking of Small Green Parts From Powder Bed of Binder Jet Metal Additive Manufacturing
منشور في 2025"…<p dir="ltr">The production revolution has materialized through Binder jet metal 3D printing because this technology creates detailed customized parts efficiently. …"
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Hydrothermal and irreversibility numerical analysis of helical coil energy storage tank with nano-encapsulated PCMs: A comprehensive study with magnetic filled, Soret/Dufour, and m...
منشور في 2025"…While previous studies have examined various aspects of energy storage systems, the combined effects of NEPCMs, magnetic fields, Soret/Dufour effects, and metallic foam in helical coil energy storage systems remain unexplored. …"
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6
Rapid mercury removal using living indigenous microalgal communities for water treatment applications
منشور في 2025"…Comprehensive isotherm analysis revealed the Dubinin-Radushkevich model provided the best fit (R<sup>2</sup> = 0.998), indicating physical adsorption as the predominant mechanism, as the calculated mean free energy (E = 5.00 kJ/mol) falls within the 1–8 kJ/mol range characteristic of physical adsorption. …"
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7
Fabrication of Ag<sub>2</sub>O/WO<sub>3</sub> based sensors for detection of hydrogen sulfide
منشور في 2022"…<p dir="ltr">Several metal oxides, such as tungsten oxide (WO<sub>3</sub>), are considered superior sensing materials for hydrogen sulfide (H<sub>2</sub>S) detection in the ambient environment. …"
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8
Trace Element Composition of Plankton from the Qatari Exclusive Economic Zone (EEZ) of the Arabian Gulf
منشور في 2020"…The biogenic concentrations of trace metals were determined by correcting the bulk analyses for the lithogenic contribution using aluminum as a lithogenic tracer. …"
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9
Trace element composition of size-fractionated suspended particulate matter samples from the Qatari Exclusive Economic Zone of the Arabian Gulf: the role of atmospheric dust
منشور في 2020"…We calculated the excess metal concentrations by correcting the bulk composition for inputs from atmospheric dust using aluminum (Al) as a lithogenic tracer and the metal∕Al ratios for average Qatari dust. …"
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10
Influence of temperature on tire-pavement noise in hot climates: Qatar case
منشور في 2021"…There is an apparent trend of decreasing temperature coefficient with increasing mean texture depth of dense graded asphalt pavements. …"
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11
The Trace Element Composition of Size Fractionated Suspended Particulate Matter Samples from the Qatari EEZ of the Arabian Gulf: The Role of Atmospheric Dust
منشور في 2019"…We calculated the excess metal concentrations by correcting the bulk composition for inputs from atmospheric dust using aluminum (Al) as a lithogenic tracer and the metal / Al ratios for average Qatari dust. …"
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12
The Effect of Number of Corrugation on Crashworthiness of Aluminum Corrugated Tube under Lateral Loading
منشور في 2017"…The results show that tubes with corrugations have a higher mean crushing force which is directly proportional to the number of corrugations. …"
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13
Corrosion Evaluation of 316L Stainless Steel Exposed to CNT-Water Nanofluid
منشور في 2019"…Adsorption isotherm for CNTs adsorption on the surface of the metal and some thermodynamic properties of adsorption were found to help in proposing a mechanism for CNTs corrosion inhibition. …"
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14
Magnesium-reinforced PMMA composite scaffolds: Synthesis, characterization, and 3D printing <i>via</i> stereolithography
منشور في 2025"…<p dir="ltr">Metal particle-reinforced polymer resin scaffolds are becoming increasingly prominent in biomedical applications due to their potential to support tissue regeneration and healing. …"
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15
Nickel toxicology testing in alternative specimen from farm ruminants in a urban polluted environment
منشور في 2024"…<p>The impact of nickel (Ni) metal toxicity, on public health was assessed analyzing forage samples (Acacia nilotica, Zea mays, Pennisetum glaucum, Capparis decidua and Medicago sativa), soils and blood samples of cow, buffalo and sheep (blood plasma, fecal, and hair) collected from three different agro-ecological zones and analyzed through atomic absorption spectrophotometer. …"
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16
The protective role of lidocaine in surgeries involving trigeminal nerve manipulation: a meta-analysis of trigeminocardiac reflex prevention
منشور في 2025"…Additionally, the lidocaine group had a relatively small change in HR, with a mean difference of -10.56 (95% CI -13.30 to -7.83 beat per minute, <i>P</i> = 0.00001). …"
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17
Predictors of prolonged hospitalization among geriatric trauma patients using the modified 5-Item Frailty index in a Middle Eastern trauma center: an 11-year retrospective study
منشور في 2025"…The female/male ratio was 17.5%/82.5%, and the mean injury severity score was 13 ± 9. The injury rate for age ≥ 65 was 24 per 10,000 compared to 10 per 10,000 in the younger group age (≥ 55–64). 35% of injuries occurred at home due to falls. …"
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18
Investigation of the Sustainable Production and Utilization of Biochar and Activated Carbon From Waste
منشور في 2023"…Adsorption is a favoured wastewater treatment technology for the removal of metal salts due to its low cost and overall sustainability. …"
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19
Probing deposition temperature effects and computational analysis of DC-sputtered tungsten (W) thin films for CZTS based solar cells
منشور في 2025"…Later, a novel heterojunction solar cell design incorporating a p-type CZTS absorber layer is analyzed in terms of absorber layer thickness with tungsten metal contact where the metal contact thickness was kept at 100 nm. …"
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20
Aortic valve function post-replacement of severe aortic stenosis by transcatheter procedure versus surgery: a systematic review and metanalysis
منشور في 2021"…TAVR was associated with 37% (95% CI [0.51–0.78) mean RR reduction of post-procedural PPM, a decrease that was not affected by the surgical risk at inclusion, neither by the transcatheter heart valve system. …"