Browsing Research Units by Title
Now showing items 827-846 of 4553
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Corrosion study of carbon steel in CO 2 loaded solution of N-methyldiethanolamine and L-arginine mixtures
( Elsevier B.V. , 2019 , Article)This study presents an electrochemical corrosion investigation of carbon steel in blends of methyldiethanolamine (MDEA) and arginine (ARG) at different molar concentrations and solvent proportions. The effects of three ... -
Corrosion Study of Carbon Steel in CO2 Loaded Amine-Amino Acid Solutions-Case of Mixtures of NMethyldiethanolamine and L-Arginine
( Institute of Physics Publishing References , 2018 , Conference Paper)© Published under licence by IOP Publishing Ltd. This research presents an electrochemical corrosion investigation to quantify the corrosiveness of carbon steel in blends of methyldiethanolamine (MDEA) and arginine (Arg) ... -
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 ... -
Cost-effective method of Co-doped rare-earth-based ceria (Y-CGO) nanocomposite as electrolyte for LT-SOFCs using C-TAB as surfactant
( Taylor and Francis Ltd. , 2019 , Article)Y-CGO [Yttria and Gadolinia co-doped ceria, prepared composition is Ce0.8Gd0.2O2-?�Ce0.8Y0.2O2-?] nanocomposite was prepared by wet-chemical synthesis for application in low-temperature solid oxide fuel cells (LT-SOFC) as ... -
Countering The Growing Cyber Threat To Gulf Security
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2021 , Conference Paper)The global threat of cyber attacks from hostile international and domestic actors against states, commercial enterprises and private individuals is rising exponentially. Foreign states use cyber operations against governments, ... -
Coupling air stripping process and anaerobic digestion for the treatment of landfill leachate: organics degradation and cytotoxicity evaluation
( Springer , 2022 , Article)Landfill leachate (LFL) from a controlled discharge in Tunisia was found to be highly loaded with ammonia. This study investigated the feasibility of an air stripping process aiming to mitigate the inhibitory effect of ... -
Coupling phosphate-solubilizing bacteria (PSB) with inorganic phosphorus fertilizer improves mungbean (Vigna radiata) phosphorus acquisition, nitrogen fixation, and yield in alkaline-calcareous soil
( Elsevier , 2022 , Article)To overcome the problems associated with soil phosphorus (P) insolubility, soil inoculation with phosphate-solubilizing bacteria (PSB) can be used. In a field experiment, we evaluated the efficacy of PSB in enhancing ... -
COVID-19 and Migrant Workers in the Gulf
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2020 , Conference Paper)As the global COVID-19 crisis unfolds, the Gulf countries faces an unprecedent challenge of containing the spread of the virus among the non-national residents. Since migrants in Gulf countries live primarily in labour ... -
COVID-19 and Plummeting Oil Prices; a Time of Reckoning for Oman
( Gulf Studies Center , 2020 , Article)As Oman braces itself to embark on the 'Oman 2040 Vision', the year 2020 comes as a year of reckoning in several regards. The death of Sultan Qaboos on 10th January, marked the beginning of an era where state institutions ... -
Covid-19 Crisis and Iran-Turkey-Qatar Relations: Economic Downgrade and Corona Diplomacy
( Gulf Studies Center , 2020 , Article)The Covid-19 pandemic has become a global issue beyond being a health crisis alone. Since its emergence in China, the virus has spread to every continent except Antarctica. The Middle East is no exception and the socio-economic ... -
COVID-19 Disease Severity in Persons Infected with Omicron BA.1 and BA.2 Sublineages and Association with Vaccination Status
( American Medical Association , 2022 , Other)[No abstract available] -
Covid-19 in Kuwait: An Opportunity for the Government
( Gulf Studies Center , 2020 , Article)The first Covid-19 disease case was found in Kuwait on February 24th, 2020 when a Kuwaiti citizen was tested positive after coming back from Iran. Since then, the Kuwaiti government has taken many measures to contain its ... -
Covid-19 in Qatar: Well Versed in Crisis Management
( Gulf Studies Center , 2020 , Article)As of April 13th 2020, Qatar has 2979 positive cases of Covid-19. Like a number of other countries, Qatar was caught off guard by the novel respiratory virus. Initially assessed as posing a low risk to the country, the ... -
Covid-19 in Saudi Arabia: Beyond the health crisis
( Gulf Studies Center , 2020 , Article)The Covid-19 pandemic is already exerting a heavy economic toll on all areas of the world. The energy producing countries of the Gulf Cooperation Council (GCC) make no exception. In Saudi Arabia, the economic impact of the ... -
Covid-19 in War-Ravaged Yemen: Ends or doubles the war?
( Gulf Studies Center , 2020 , Article)Yemen is a suffering war zone since the beginning of the civil war in 2014, out of the clash between Yemeni government in Sana'a' and the Northern tribes, mainly, the Houthi insurgents. As of 2020, after two military ... -
Covid-19 inspired a stem-based virtual learning model for middle schools—a case study of Qatar
( MDPI , 2021 , Article)An unprecedented turn in educational pedagogies due to the COVID-19 pandemic has significantly affected the students’ learning process worldwide. This article describes developing a STEM-based online course during the ... -
The COVID-19 pandemic and the case of Little Birds Kindergarten in Qatar: strategic challenges and the role of leadership
( Emerald Publishing Limited , 2022 , Article)Learning outcomes The aim of this study is to make students understand the significance of strategy formulation and the impact of internal and external factors on the strategy adopted by the firm. Upon the completion of ... -
COVID-19 risk score as a public health tool to guide targeted testing: A demonstration study in Qatar
( Public Library of Science , 2022 , Article)We developed a Coronavirus Disease 2019 (COVID-19) risk score to guide targeted RTPCR testing in Qatar. The Qatar national COVID-19 testing database, encompassing a total of 2,688,232 RT-PCR tests conducted between February ... -
COVID-19 Vaccination: The Mainspring of Challenges and the Seed of Remonstrance
( MDPI , 2021 , Article Review)As of March 2020, the time when the coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) became a pandemic, our existence has been threatened and the lives of ... -
Covid-19, a Common Threat towards Intrusive Regionalism
( Gulf Studies Center , 2020 , Article)The Covid-19 pandemic news has become the top headline of almost all international media and the topic of everyday conversation among people. Coronavirus, like international terrorism is a global challenge to both states ...