College of Arts & Sciences: المرسلات الحديثة
السجلات المعروضة 1001 -- 1020 من 3507
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Evaluation of the inhibition performance of piperazine-based polyurea towards mild steel corrosion: The role of keto-enol tautomerization
( Elsevier B.V. , 2022 , Article)The lack of solubility of polyurea materials impedes their application as effective inhibitors against metallic corrosion in aqueous media. Herein, we have synthesized a new piperazine-based polyurea inhibitor (PUCorr) ... -
Water treatment technologies in removing heavy metal ions from wastewater: A review
( Elsevier , 2022 , Article)The scarcity of clean water resources leads to many scientific and technological advancements in wastewater treatment processes. The recalcitrance of heavy metals in wastewater has been proven to be a challenging concern. ... -
Production of Biodiesel from Soybean Oil in Less Time and at Low Temperature
( Asian Publication Corporation , 2022 , Article)The heterogeneous catalyst plays an important role in the production of biodiesel at industrial level. In present work, the utilization of wollastonite as a heterogeneous catalyst is attempted to explore its non-biomedical ... -
Analysis of bioconvection and oxytactic microorganisms in a porous cavity with nano-enhanced phase change materials and quadrant heater: Application of support vector regression based model
( Elsevier , 2023 , Article)In this numerical study, two-dimensional simulations are performed to obtain the bioconvection flow in a quadrant heater located porous closed space saturated with nano-enhanced phase change material (NePCM). The Galerkin ... -
Total Hg levels distribution in fish and fish products and their relationships with fish types, weights, and protein and lipid contents: A multivariate analysis
( Elsevier , 2023 , Article)This study investigates the mercury (Hg) levels distribution in fish and fish products and their relationships with fish types, weights, protein, and lipid contents in Qatar. Principal component analysis (PCA) was employed ... -
Synthesis of nanostructured novel ion-imprinted polymer for selective removal of Cu2+ and Sr2+ ions from reverse osmosis concentrated brine
( Elsevier , 2023 , Article)This study aims to prepare an ion-imprinted polymer (IIP) using copper sulfate as a template and potassium persulfate as an initiator to selectively adsorb copper ions (Cu2+) from aqueous solutions and in an attempt to ... -
Electrochemical reduction of CO2 into formate/formic acid: A review of cell design and operation
( Elsevier , 2023 , Article Review)The release of carbon dioxide (CO2) into the atmosphere is threatening the environment and ecosystems, resulting in major challenges to sustainable development for modern industry. In this context, CO2 electrochemical ... -
Tailoring the deposition of MoSe2 on TiO2 nanorods arrays via radiofrequency magnetron sputtering for enhanced photoelectrochemical water splitting
( Elsevier , 2023 , Article)MoSe2/1 D TiO2 nanorods (NRs) heterojunction assembly was systematically fabricated, and its photoelectrocatalytic properties were investigated. The fabrication process involves the growth of 1D TiO2 NRs arrays on FTO ... -
Highly conductive phase change composites based on paraffin-infiltrated graphite panels for photo/electrothermal conversion and storage
( Elsevier , 2023 , Article)The extensive utilization of phase change materials (PCMs) for thermal energy harvesting, storage, and thermal management is often constrained by their inadequate thermal and electrical conductivity, form instability, and ... -
Recent developments in ultrafiltration membrane technology for the removal of potentially toxic elements, and enhanced antifouling performance: A review
( Elsevier , 2023 , Article)The presence of high concentrations of heavy metals (potentially toxic elements) in water bodies generates serious environmental issues and health problems that led to a dramatic increase in wastewater treatment costs. ... -
Application of solar PV in the building sector: Prospects and barriers in the GCC region
( Elsevier , 2023 , Article)Solar Photovoltaic (PV) can make a significant contribution towards reducing the energy and environmental footprint of buildings. Helped by features like scalability, ease of use, and declining price, PV has become the ... -
Navigating Murky Waters: Iranian-Gulf Relations a Year into Raisi's Presidency
( John Wiley and Sons Inc , 2023 , Article)This paper examines the first year of Ebrahim Raisi's presidency and focuses on Iran's relations with neighboring Gulf states. The paper analyzes how President Raisi was able to navigate his foreign policies amidst numerous ... -
Greater traditionalism predicts COVID-19 precautionary behaviors across 27 societies
( Nature Research , 2023 , Article)People vary both in their embrace of their society's traditions, and in their perception of hazards as salient and necessitating a response. Over evolutionary time, traditions have offered avenues for addressing hazards, ... -
Distribution and diversity of aquatic insects in different water bodies of Qatar
( Instituto Internacional de Ecologia , 2024 , Article)Aquatic insect fauna remains an important tool for bio indication of environmental disturbance, while maintaining a healthy aquatic system. The purpose of the study was to document and to identify the diversity and ... -
Photodegradation and Its Effect on Plant Litter Decomposition in Terrestrial Ecosystems: A Systematic Review
( MDPI , 2023 , Article Review)Photodegradation is an important mechanism that affects carbon and nutrient cycling; a significant amount of data has been reported previously. The present review includes the effect of a wider spectrum of solar radiation ... -
An overview of heavy metals toxicity in plants, tolerance mechanism, and alleviation through lysine-chelation with micro-nutrients—A novel approach
( Springer , 2022 , Article Review)Abstract: Plants must adapt themselves to the prevailing conditions for their survival, resulting in the acquisition of a wide range of metal tolerance mechanisms. Although many metal elements are essential for the growth ... -
A novel approach of encapsulating curcumin and succinylated derivative in mannosylated-chitosan nanoparticles
( Elsevier , 2022 , Article)Curcumin (CUR) manifests anti-colon cancer activity but suffers from low solubility, bioavailability, and instability, rendering it not as effective as its chemotherapeutic cousins. Here, we conjugate CUR to succinic ... -
Pilot-scale crossflow ultrafiltration of four different cell-sized marine microalgae to assess the ultrafiltration performance and energy requirements
( Elsevier , 2023 , Article)Four marine microalgae (e.g., Tetraselmis, Picochlorum, Dunaliella, and Synechococcus) with different cell sizes were harvested using pilot-scale ultrafiltration. Average permeate fluxes were 16.75, 19, 25.35, and 33.75 ... -
A framework for optimizing the supply chain performance of a steel producer
(2013 , Conference Paper)Supply Chain Management (SCM) is focused on developing, optimizing, and operating efficient supply chains. Efficient supply chains are characterized by cost effective decisions, lean flow and structure, high degree of ... -
An LP model for optimizing a supply chain management system for steel company
( Newswood Limited , 2014 , Conference Paper)In this research, we have developed a linear programming formulation to describe Qatar steel manufacturing supply chain from suppliers to consumers. The purpose of the model is to provide answers regarding the optimal ...
