Research Units: المرسلات الحديثة
السجلات المعروضة 1061 -- 1080 من 5647
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Electrocatalytic CO oxidation on porous ternary PdNiO-CeO2/carbon black nanocatalysts: Effect of supports and electrolytes
( Elsevier , 2023 , Article)The catalytic activity and durability of porous ternary Pd-based electrocatalysts are augmented by alloying with other metals and using supports, however, the effect of supports and electrolytes at varied pH on the ... -
Self-standing foam-like Pd-based alloys nanostructures for efficient electrocatalytic ethanol oxidation
( Elsevier , 2023 , Article)In this work, self-standing binary porous PdM (M = Ni, Fe and Co) foam-like nanostructures are rationally designed by a rapid and one-step aqueous-solution method, including ice co-reduction of metal precursors using sodium ... -
Pd nanocrystals encapsulated in MOF-derived Ni/N-doped hollow carbon nanosheets for efficient thermal CO oxidation: unveiling the effect of porosity
( Royal Society of Chemistry , 2023 , Article)Rational synthesis of Ni-metal-organic-framework (MOF)-derived hollow N-doped carbon (Ni-MOF-HNC) nanostructures has garnered great attention in various catalytic reactions due to their outstanding catalytic and physicochemical ... -
Production and investigation of flexible nanofibers of sPEEK/PVP loaded with RuO2 nanoparticles
( Elsevier , 2021 , Article)Electrospinning technique was employed to fabricate composite nanofibers/nanoparticles of sulfonated polyether ether ketone, polyvinylpyrrolidone, and ruthenium oxide (sPEEK/PVP/RuO2). The samples were synthesized with ... -
Vulnerabilities and countermeasures in electrical substations
( Elsevier , 2021 , Article)The impending and continued threat of cyberattacks on modern utility grids has called for action from the different stakeholders of the electricity sector. This calls for a thorough investigation and review of the weaknesses ... -
Changes in secondary metabolites contents and stress response in Salvia miltiorrhiza Bunge via ScWRKY35 overexpression: insights from a Salvia castanea homolog
( Elsevier , 2024 , Article)Salvia castanea Diels, a close wild relative to the medicinal plant, Salvia miltiorrhiza Bunge, primarily grows in high-altitude regions. While the two species share similar active compounds, their content varies significantly. ... -
Harnessing rhizospheric core microbiomes from arid regions for enhancing date palm resilience to climate change effects
( Frontiers Media , 2024 , Article Review)Date palm cultivation has thrived in the Gulf Cooperation Council region since ancient times, where it represents a vital sector in agricultural and socio-economic development. However, climate change conditions prevailing ... -
Nano-Priming for Inducing Salinity Tolerance, Disease Resistance, Yield Attributes, and Alleviating Heavy Metal Toxicity in Plants
( MDPI , 2024 , Article Review)In today’s time, agricultural productivity is severely affected by climate change and increasing pollution. Hence, several biotechnological approaches, including genetic and non-genetic strategies, have been developed and ... -
Green synthesized zinc oxide nanoparticles for removal of carbamazepine in water and soil systems
( Elsevier , 2024 , Article)During the COVID-19 pandemic, there was a significant increase in pharmaceutical releases (4 %), which created a pressing global need for solutions. In this study, we explored the use of zinc oxide nanoparticles (GS-ZnONPs) ... -
Evacuation under flooded conditions: Experimental investigation of the influence of water depth on walking behaviors
( Elsevier , 2021 , Article)Flooding can be considered as the most frequent type of natural disaster, and it is an unavoidable phenomenon in many parts of the world. Ensuring the safety of people during such natural disasters is extremely important. ... -
Durability of plain concrete prism strengthened with galvanized steel mesh and CFRP laminates under harsh environmental conditions
( Elsevier , 2021 , Article)This paper investigates the bond durability of recently developed galvanized steel mesh (GSM) strengthening systems compared to the carbon fiber-reinforced polymer (CFRP) composites under severe environments. Plain concrete ... -
Process optimization and method validation for efficient valorization of low- grade coal into humic substances
( Elsevier , 2024 , Article)The exploration of low-grade coal resources and progress in the extraction method of humic substances are the core aims of this study. Ultrasonic and microwave assisted alkali extractions were compared with conventional ... -
Impact of the Processing-Induced Orientation of Hexagonal Boron Nitride and Graphite on the Thermal Conductivity of Polyethylene Composites
( MDPI , 2023 , Article)Emergent heat transfer and thermal management applications require polymer composites with enhanced thermal conductivity (κ). Composites filled with non-spherical fillers, such as hexagonal boron nitride (hBN) and Graphite ... -
Complex treatment of oily polluted waters by modified melamine foams: from colloidal emulsions to a free oil removal
( Springer Science and Business Media Deutschland GmbH , 2023 , Article)This study deals with the efficient, low-cost, and scalable treatment of oily polluted waters including colloidal emulsions, oil-in-water mixtures, and free oil removal using melamine foams (MFs) modified by ferric chloride ... -
Purification of colloidal oil in water emulsions by cationic adsorbent prepared from recycled polyethylene waste
( Elsevier , 2024 , Article)This study deals with removing crude oil droplets from colloidal oil in water emulsions. The target was the development of efficient adsorbents for the tertiary treatment of industrial-produced water (PW). The novel adsorbent ... -
Light-controllable viscoelastic properties of a photolabile carboxybetaine ester-based polymer with mucus and cellulose sulfate
( Springer Nature , 2018 , Article)In this study, the interaction of a photoswitchable carboxybetaine ester-based polymer with mucus and cellulose sulfate was elucidated, showing light-controllable viscoelastic properties. This polymer contains photolabile ... -
A critical review on Pulicaria species occurring in Qatar: traditional uses, phytochemistry and biological activities
( Springer Nature , 2024 , Article)In Qatar, three main species of Pulicaria (from Asteraceae) such as Pulicaria undulata (L.) C.A.Mey, Pulicaria gnaphalodes (Vent.) Boiss. and Pulicaria sicula (L.) Moris are reported. Traditionally, these species have ... -
Thermophysical Characterization of Paraffins versus Temperature for Thermal Energy Storage
( MDPI , 2023 , Article)Latent heat storage systems (LHSS), using solid-liquid phase change materials (PCMs), are attracting growing interest in many applications. The determination of the thermophysical properties of PCMs is crucial for selecting ... -
على الضفة الأخرى - الاسلام في إفريقيا الغربية المسلمة
( إذاعة قطر , 2024 , Audio Recording)مشاركة الدكتور بدران بن لحسن رفقة الأستاذ عبد الأحد لو من السنغال، وفي ضيافة الأستاذة لبنى المأمولي وحصتها "الضفة الأخرى" على إذاعة قطر خصصت هذه الحلقة للحديث عن الاسلام في إفريقيا الغربية المسلمة. -
A meta-research analysis on the biological impact of plastic litter in the marine biota
( Elsevier , 2024 , Article)Marine litter and more specifically plastic marine litter is nowadays considered a global issue with unprecedented impact and consequences to the entire marine ecosystem and biota. The current situation that has been created ...
