تصفح Research Units حسب العنوان
السجلات المعروضة 4259 -- 4278 من 4709
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Understanding the electrochemical performance of LiNi0. 5Mn1.5O4 coated with Yttria and distributed over graphene nanosheets as cathode in li-ion batteries
( Qatar University Press , 2021 , Poster)LiNi0.5Mn1.5O4 is a promising cathode material for lithium-ion batteries with a high-voltage spinel structure. A microwave-assisted chemical co-precipitation method was used to synthesize Y2O3 coated quasi-spheres of ... -
Understanding the False Positive of Modified Martensitic Steels in Sweet & Sour Service Conditions Using a Point Defect Model Perspective
(2023 , Conference Paper)Modified 13Cr martensitic stainless steels (UNS S41426) are a class of materials used for operations involving natural gas production in sweet and moderately sour service conditions. Discrepancies between experimental ... -
Understanding the genetics of early onset obesity in a cohort of children from Qatar.
( Oxford University Press , 2023 , Article)Monogenic obesity is a rare form of obesity due to pathogenic variants in genes implicated in the leptin-melanocortin signaling pathway and accounts for around 5% of severe early onset obesity. Mutations in the genes ... -
Understanding the mechanics of complex topology of the 3D printed Anthill architecture
( Oxford University Press , 2022 , Article)The present work aimed to investigate the deformation behavior of complex ant mound architectures under compression. We have used the cement casting method to extract four different ant nest morphologies. These casted ... -
Understanding the Nature of Capacity Decay and Interface Properties in Li//LiNi0.5Mn1.5O4 Cells by Cycling Aging and Titration Techniques
( American Chemical Society , 2020 , Article)The spinel structure LiNi0.5Mn1.5O4 (LNMO) is a propitious cathode material for next-generation lithium-ion batteries for fast charge-discharge applications, but its capacity decay mechanism and rate-limiting process are ... -
Understanding the Origin of the Ultrahigh Rate Performance of a SiO2-Modified LiNi0.5Mn1.5O4 Cathode for Lithium-Ion Batteries
( American Chemical Society , 2019 , Article)LiNi0.5Mn1.5O4 (LNMO) is one of the most promising cathode materials for next-generation lithium-ion batteries for rapid charging–discharging applications. The surfaces of LNMO samples are coated with different amounts ... -
Understanding the Phytoremediation Mechanisms of Potentially Toxic Elements: A Proteomic Overview of Recent Advances
( Frontiers Media , 2022 , Article Review)Potentially toxic elements (PTEs) such as cadmium (Cd), lead (Pb), chromium (Cr), and arsenic (As), polluting the environment, pose a significant risk and cause a wide array of adverse changes in plant physiology. Above ... -
Understanding the progress and challenges in the fields of thermo-catalysis and electro-catalysis for the CO2 conversion to fuels
( Institute for Ionics , 2024 , Article Review)The need to limit anthropogenic CO2 emissions and lower the atmospheric CO2 concentration makes CO2 conversion an imminent requirement. Availability of suitable facilities and prior understanding how electro and thermal ... -
Understanding the role of atmospheric circulations and dispersion of air pollution associated with extreme smog events over South Asian megacity
( Springer , 2022 , Article)The winter fog/haze events in northeastern Pakistan and surrounding regions of India are often mixed with pollutants to form smog, and consequently damage human health and hampers daily life in the form of fatalities through ... -
Understanding the Scales Formation Inhibition Mechanism on C-Steel in a Sour Media
( The Electrochemical Society , 2019 , Conference Paper)Corrosion control in sour environments is a severe challenge for the oil and gas industries with respect to sour media. One of the approaches to mitigate such a problem is to use corrosion inhibitors (CI). The selection ... -
Universal power law behavior of the AC conductivity versus frequency of agglomerate morphologies in conductive carbon nanotube-reinforced epoxy networks
( John Wiley and Sons Inc. , 2016 , Article)The Jonscher universal power law for ac conductivity versus frequency (f = /2) in the dispersion region was tested for a multiwall carbon nanotube/epoxy nanocomposite. The effect of changes in agglomerate morphology on the ... -
A universal transportation model for reverse osmosis systems
( Elsevier Ltd , 2021 , Article)This paper presents a new transport model for reverse osmosis (RO) systems, which combines irreversible thermodynamics, together with solution-diffusion theory. The simplifications adopted by the classical theory for ... -
Unpacking the complexity of the PET drink bottles value chain: A chemicals perspective
( Elsevier , 2022 , Article Review)Chemicals can migrate from polyethylene terephthalate (PET) drink bottles to their content and recycling processes may concentrate or introduce new chemicals to the PET value chain. Therefore, even though recycling PET ... -
Unpacking the complexity of the polyethylene food contact articles value chain: A chemicals perspective
( Elsevier , 2023 , Article Review)Polyethylene (PE) is the most widely used type of plastic food packaging, in which chemicals can potentially migrate into packaged foods. The implications of using and recycling PE from a chemical perspective remain ... -
Unpublished coins from Al-Zubarah: Scientific and economic analysis
( Nova Science Publishers, Inc. , 2019 , Book chapter)Qatar Museums Authority (QMA) has kindly permitted the research team to study and publish a number of coins discovered in the old town of Al-Zubarah. The coins are now housed at the 19th century re-built of Al-Zubarah Fort. ... -
Unraveling template-free fabrication of carbon nitride nanorods codoped with Pt and Pd for efficient electrochemical and photoelectrochemical carbon monoxide oxidation at room temperature
( Royal Society of Chemistry , 2019 , Article)The tailored synthesis of carbon nitrides (CNs) is of particular interest in multidisciplinary catalytic applications. However, their fabrication in the form of one-dimensional (1D) nanorods for electrocatalytic carbon ... -
Unveiling a Biomarker Signature of Meningioma: the Need for a Panel of Genomic, Epigenetic, Proteomic, and RNA Biomarkers to Advance Diagnosis and Prognosis
( preprints , 2023 , Preprint)Meningiomas are the most prevalent primary intracranial tumors. The majority are benign but can undergo dedifferentiation in grades classified from I to III. Meningiomas tremendous variability in tumor behavior and slow ... -
Unveiling a Biomarker Signature of Meningioma: The Need for a Panel of Genomic, Epigenetic, Proteomic, and RNA Biomarkers to Advance Diagnosis and Prognosis
( MDPI , 2023 , Article Review)Meningiomas are the most prevalent primary intracranial tumors. The majority are benign but can undergo dedifferentiation into advanced grades classified by World Health Organization (WHO) into Grades 1 to 3. Meningiomas’ ... -
Unveiling and Brightening the Dark Side of Crowdfunding
( UC Berkeley Haas School of Business , 21-0 , Article)Crowdfunding is a promising way for individuals and start-ups to raise funding from a large number of people, using an online platform to turn their dreams into reality. It is an alternative to conventional options such ... -
Unveiling fabrication and environmental remediation of mxene-based nanoarchitectures in toxic metals removal from wastewater: Strategy and mechanism
( MDPI AG , 2020 , Article)Efficient approaches for toxic metal removal from wastewater have had transformative impacts to mitigating freshwater scarcity. Adsorption is among the most promising purification techniques due to its simplicity, low cost, ...
