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Non-Invasive Diabetic Sensor Based on Cellulose Acetate/Graphene Nanocomposite
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Wiley-VCH Verlag
, 2020 , Article)
Metabolic changes or pathological disorders are a promising tool for non-invasive medical diagnosis, occurring in human exhaled breath as a measurement of volatile organic compounds, such as the exhaled acetone quantities ...
حملة مقاطعة المنتجات الفرنسية على تويتر: دراسة في تحليل الشبكات الاجتماعية
(
مركز الجزيرة للدراسات
, 2021 , Article)
تهدف هذه الدراسة إلى فهم واستكشاف الجوانب المختلفة لحملة مقاطعة المنتجات الفرنسية على تويتر، واستخدمنا برنامج (NodeXL) لتحليل الشبكات الاجتماعية، وبرنامج (MAXQDA) لتحليل مضمون عينة عشوائية من التدوينات ومعرفة موضوعاتها. ...
Electrocatalytic arsenite oxidation in bicarbonate solutions combined with CO2 reduction to formate
(
Elsevier
, 2020 , Article)
Sunlight-driven water-energy nexus technologies are receiving increasing attention. This study presents a hybrid electrochemical system that catalyzes the oxidation of As(III) to As(V) with a nanoparticulate TiO2 electrocatalyst ...
WorldView-3 mapping of Tarmat deposits of the Ras Rakan Island, Northern Coast of Qatar: Environmental perspective
(
Elsevier
, 2021 , Article)
This study characterizes the spectral behavior of tarmats and maps the tarmat deposits found along the coast of Ras Rakan Island off Qatar using WorldView-3 (WV-3) sensor data. The laboratory spectra of tar materials showed ...
CFD analysis of turbulent flow of power-law fluid in a partially blocked eccentric annulus
(
MDPI AG
, 2021 , Article)
This study focuses on analyzing the turbulent flow of drilling fluid in inclined wells using the Computational Fluid Dynamics (CFD) technique. The analysis is performed considering an annulus with a fixed eccentricity of ...
Control of the antagonistic effects of heat-assisted chlorine oxidative degradation on pressure retarded osmosis thin film composite membrane surface
(
Elsevier
, 2021 , Article)
During pressure retarded osmosis (PRO) operation, thin film composite (TFC) membranes are continuously exposed to chemicals present in the stream that can deteriorate the membrane's selective layer with exposure time. ...
Corrosion, optimization and surface analysis of Fe-Al2O3-CeO2 metal matrix nanocomposites
(
SAGE Publications Ltd
, 2021 , Article)
In the present work, metal matrix nanocomposites are being prepared using Fe as base material reinforced with Al2O3 and doped with CeO2. Nanocomposite specimens were synthesized using powder metallurgy technique. Tafel ...
Travelers’ preferences regarding autonomous mobility in the State of Qatar
(
Springer
, 2021 , Article)
Autonomous mobility is gaining increasing attraction in the international setting that results in a growing body of literature on various aspects. Preferences regarding the use of autonomous vehicles as an alternative ...
Carbon dioxide EGR and sequestration in mature and immature shale: Adsorption study
(
Elsevier B.V.
, 2020 , Article)
Recently, CO2 sequestration in different shale formations has become an attractive option owing to the abundance of shale basins. However, these formations have different maturity levels and contain a variety of minerals ...
Assessing the relation between mud components and rheology for loss circulation prevention using polymeric gels: A machine learning approach
(
MDPI AG
, 2021 , Article)
The traditional way to mitigate loss circulation in drilling operations is to use preventative and curative materials. However, it is difficult to quantify the amount of materials from every possible combination to produce ...