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Now showing items 3071-3080 of 3422
Evaluation of Satellite Retrievals of Chlorophyll-a in the Arabian Gulf
(
MDPI
, 2017 , Article)
The Arabian Gulf is a highly turbid, shallow sedimentary basin whose coastal areas have been classified as optically complex Case II waters (where ocean colour sensors have been proved to be unreliable). Yet, there is no ...
Addressing bias in the definition of SARS-CoV-2 reinfection: implications for underestimation
(
Frontiers Media
, 2024 , Article)
Introduction: Reinfections are increasingly becoming a feature in the epidemiology of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. However, accurately defining reinfection poses methodological ...
Civilizing Role of the “Religious Idea” in Malek Bennabi’s Thought
(
University of Management and Technology
, 2023 , Article)
This study examines the perspective of Malek Bennabi regarding the role of religion (religious idea) in building civilization. Bennabi’s writings are analyzed to comprehend his understanding of religion and its multiple ...
Methane production enhancement from Tetraselmis biomass co-digestion using frying oil residue as co-substrate and ultrasonication as pretreatment
(
Elsevier
, 2023 , Article)
Tetraselmis sp. microalgae biomass co-digestion with frying oil residue was investigated without or with an ultrasonication pretreatment to enhance methane production. Interestingly, compared to untreated Tetraselmis ...
ZnO-Doped gC3N4 Nanocapsules for Enhancing the Performance of Electroless NiP Coating─Mechanical, Corrosion Protection, and Antibacterial Properties
(
American Chemical Society
, 2023 , Article)
A carbon nitride (C3N4) nanomaterial has superior mechanical, thermal, and tribological properties, which make them attractive for various applications, including corrosion-resistant coatings. In this research, newly ...
Prevalence and potential determinants of covid-19 vaccine hesitancy and resistance in qatar: Results from a nationally representative survey of qatari nationals and migrants between december 2020 and january 2021
(
MDPI AG
, 2021 , Article)
Global COVID-19 pandemic containment necessitates understanding the risk of hesitance or resistance to vaccine uptake in different populations. The Middle East and North Africa currently lack vital representative vaccine ...
History of primary-series and booster vaccination and protection against Omicron reinfection
(
American Association for the Advancement of Science
, 2023 , Article)
Laboratory evidence suggests a possibility of immune imprinting for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. We investigated the differences in the incidence of SARS-CoV-2 reinfection in a ...
Preparation and Preliminary Dielectric Characterization of Structured C60-Thiol-Ene Polymer Nanocomposites Assembled Using the Thiol-Ene Click Reaction
(
MDPI
, 2015 , Article)
Fullerene-containing materials have the ability to store and release electrical energy. Therefore, fullerenes may ultimately find use in high-voltage equipment devices or as super capacitors for high electric energy storage ...
Risk categorization and decision prioritization for climate change impacts: A rapid risk assessment methodology applied in the State of Qatar
(
Elsevier
, 2023 , Article)
The impacts of climate change vary by location and severity, will be experienced over a range of timescales, and governments are not equally able to respond to risks and hazards in the same way. Yet, despite the rapid ...
Characterizing the effective reproduction number during the COVID-19 pandemic: Insights from Qatar's experience
(
Edinburgh University Global Health Society
, 2022 , Article)
Background The effective reproduction number, Rt, is a tool to track and understand pandemic dynamics. This investigation of Rt estimations was conducted to guide the national COVID-19 response in Qatar, from the onset of ...