تصفح College of Arts & Sciences حسب العنوان
السجلات المعروضة 2907 -- 2926 من 3281
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Tuning the electrical properties of polyaniline by copolymerization with o-bromoaniline
( World Scientific Publishing Co. Pte Ltd , 2017 , Article)Polyaniline, poly(o-bromoaniline) and poly(aniline-co-o-bromoaniline)s have been prepared by chemical oxidative polymerization methods. A series of poly(aniline-co-o-bromoaniline) derivatives has been prepared by the ... -
Tunisia: The Transformative Media Landscape after the Revolution
( Open Book Publishers , 2021 , Book chapter)The media landscape in Tunisia has witnessed significant transformations since the revolution of 14 January 2011. After decades of being direct controlled and tightly monitored by the dictatorial regimes of Bourguiba and ... -
The Tunisian experience post-2011: The crisis of democratization
( Taylor and Francis , 2023 , Book chapter)Offering a critical counter-narrative that upends the received wisdom about Tunisia’s fledgling democracy, the analysis here challenges existing literature on Tunisia’s democratization since the 2011 revolution, eschewing ... -
Tunisia’s peripheral cities: Marginalization and protest politics in a democratizing country
( Middle East Institute , 2021 , Article)This article investigates Tunisia's southern "periphery within the periphery," drawing on original interviews to examine marginalization and center-periphery relations in the country since the 2011 revolution. Comparisons ... -
Tunisia’s “civic parallelism”: Lessons for Arab democratization
( Taylor and Francis , 2019 , Book chapter)This chapter suggests that knowledge must be situated at the centre of explorations of Arab democratization, primarily through the inclusion of subaltern voices. To demonstrate this line of argument, the chapter addresses ... -
Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in Qatar
( BMJ Publishing Group , 2023 , Article)Objective To assess the evolution of COVID-19 severity and fatality in a unique setting that consistently applied, throughout the pandemic, rigorous and standardised criteria for defining severe COVID-19 outcomes. Methods ... -
Turning waste avocado stones and montmorillonite into magnetite-supported nanocomposites for the depollution of methylene blue: adsorbent reusability and performance optimization
( Springer Nature , 2023 , Article)The existence of methylene blue (MB) in wastewater even as traces is raising environmental concerns. In this regard, the performances of four adsorbents, avocado stone biochar (AVS-BC), montmorillonite (MMT), and their ... -
Tweet sentiment analysis with pronoun choice reveals online community dynamics in response to crisis events
( Springer Verlag , 2017 , Conference Paper)We describe the emergence of an online community from naturally occurring social media data. Our method uses patterns of word choice in an online social platform to characterize how a community forms in response to adverse ... -
Two-Dimensional Mesoporous Heterostructure Delivering Superior Pseudocapacitive Sodium Storage via Bottom-Up Monomicelle Assembly
( American Chemical Society , 2019 , Article)Two-dimensional (2D) heterostructures endowed with mesoporosities offer exciting opportunities in electrocatalysis, photocatalysis, energy storage, and conversion technologies due to their integrated functionalities, ... -
Two-factor Heston model equipped with regime-switching: American option pricing and model calibration by Levenberg-Marquardt optimization algorithm
( Elsevier B.V. , 2023 , Article)In this paper, we consider the pricing of American options under a regime-switching double Heston model, such that the interest rate and mean-reversion level parameters in both stochastic volatility models shift in various ... -
Two-phase sample size estimation with pre-assignedvariance under normality assumption
( Shiraz University , 2010 , Article)We develop a two phase sampling procedure to determine the sample size necessary to estimate the population mean of a normally distributed random variable and show that the resulting estimator has preassigned variance and ... -
Two-stage complete allocation sampling
( John Wiley and Sons Ltd , 2017 , Article)An adaptive sample involves modifying the sampling design on the basis of information obtained during the survey while remaining in the probability sampling framework. Complete allocation sampling is an efficient and easily ... -
Tyrosinase and carbonic anhydrase enzymes inhibition studies of vanadium(V) complexes
( Chemical Society of Pakistan , 2018 , Article)Present study endeavors synthesis of series of vanadium(V) hydrazide complexes and its enzyme inhibition studies. Octahedral structure of complexes has been evaluated previously using conductance measurements, spectroscopic ... -
Tyrosine Ingestion and Its Effects on Cognitive and Physical Performance in the Heat
( American College of Sports Medicine , 2016 , Article)Purpose: Ingestion of tyrosine (TYR), a catecholamine precursor, has previously improved aspects of cognitive function and mood during acute stress, although there is limited research exploring the optimal dose relative ... -
Un document inédit sur la Régence de Tunis au XVIIIe siècle : le mémoire de Guy de Villeneuve
( L'Harmattan, Paris , 2022 , Book)L’édition de ce mémoire rédigé en 1777 par le sieur Guy de Villeneuve montre l’importance des interactions diplomatiques entre les deux rives de la Méditerranée, au cours du XVIIIe siècle. Ce mémoire regorge des détails ... -
Uncovering responses of zooplankton community to CO2 acidification in Qatar coastal waters
( Hamad Bin Khalifa University Press , 2016 , Conference Paper)The combustion of fossil fuels is pushing atmospheric concentrations of carbon dioxide (CO2) to unprecedented levels. This rapid increase in atmospheric CO2 is causing global changes, with noticeable increases in temperature, ... -
Uncovering responses of zooplankton community to CO2 acidification in Qatar cstal waters
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)The combustion of fossil fuels is pushing atmospheric concentrations of carbon dioxide (CO2) to unprecedented levels. This rapid increase in atmospheric CO2 is causing global changes, with noticeable increases in temperature, ... -
Underlined Vulnerabilities of the Gulf Region: A New Understanding
( Springer , 2021 , Book chapter)The rift between the Gulf States that opened in 2017 has served to intensify centuries-old debates and tensions in the Middle East. The Gulf crisis has also engendered significant diplomatic tensions between GCC countries, ... -
Underlying Mechanisms of Transit-Oriented Development: A Conceptual System Dynamics Model in Qatar
( MDPI , 2022 , Article)Transit-Oriented Development (TOD) is an urban planning approach that facilitates the achievement of sustainable development goals from an urban planning and transportation perspective. Developed countries are moving rapidly ... -
Understanding impact of heat, drought, and salinity stresses on growth and physiological attributes of Chenopodium album under field conditions
( Springer , 2023 , Article)Utilizing potential of wild crop relatives becomes a necessity under current climate trends scenario. Chenopodium album is a natural inhabitant of Qatari harsh environment that is characterised by a combination of various ...
