College of Arts & Sciences: المرسلات الحديثة
السجلات المعروضة 601 -- 620 من 3630
-
واقع الأقليات المُسلمة في الغرب واسهامات الشيخ القرضاوي في معالجة التحديات المُعاصرة التي تواجهها: قضايا الهُوية والاندماج والمواقف حولهما
( الجامعة الإسلامية العالمية بماليزيا , 2024 , Article)يهدف البحث إلى دراسة أوضاع الجاليات المسلمة في البلدان الغربية في ضوء فكرة اندماجها ومشاركتها في تلك البلدان وبيان ما أدى إليه وجودها في تلك البقعة على المستوى الجماعي من التفاعل والتواصل لا الذوبان، ويسعى البحث من ناحية ... -
Digital youth in Qatar: Negotiating culture and national identity through social media networks
( Intellect Publishers , 2022 , Article)The expanding digital media environment in Qatar is arguably affecting the construction of young people’s identities and the various expressions of who they are. The multiplicity of online digital spaces allows the youth ... -
Investigation on the effect of several parameters involved in the biodegradation of polyethylene (PE) and low-density polyethylene (LDPE) under various seawater environments
( Elsevier , 2024 , Article)This work investigates the biodegradation of polyethylene (PE) and low-density polyethylene (LDPE) and the leaching of their harmful additives. Micro/macro-plastics of both types were subjected to different laboratory-controlled ... -
Nonheme Fe(IV) Oxo Complexes of Two New Pentadentate Ligands and Their Hydrogen-Atom and Oxygen-Atom Transfer Reactions
( American Chemical Society (ACS) , 2015 , Article)Two new pentadentate {N5} donor ligands based on the N4Py (N4Py = N,N-bis(2-pyridylmethyl)-N-bis(2-pyridyl)methylamine) framework have been synthesized, viz. [N-(1-methyl-2-benzimidazolyl)methyl-N-(2-pyridyl)methyl-N-(bi ... -
Enhanced adsorptive removal of rifampicin and tigecycline from single system using nano-ceria decorated biochar of mango seed kernel
( Elsevier , 2023 , Article)Pharmaceutically active compounds (PhACs) represent an emerging class of contaminants. With a potential to negatively impact human health and the ecosystem, existence of pharmaceuticals in the aquatic systems is becoming ... -
Development of Inorganically Cross-Linked Sulfonated Polyacrylamide Preformed Particle Gels for Conformance Control: Impact of Anionic Groups
( American Chemical Society (ACS) , 2024 , Article)Modern oil and gas extraction faces challenges, notably from the surplus of produced water, hampering hydrocarbon recovery and raising environmental and economic concerns. A promising solution is the injection of preformed ... -
Catalytic C-H oxidations by nonheme mononuclear Fe(II) complexes of two pentadentate ligands: Evidence for an Fe(IV) oxo intermediate
( Elsevier , 2016 , Article)The oxidation reactions of alkanes with hydrogen peroxide and peracids (peracetic acid (PAA) and m-chloroperoxybenzoic acid (mCPBA)) catalysed by two Fe(II) complexes of pentadentate {N5}-donor ligands have been investigated. ... -
Metal complex as p-type dopant-based organic spiro-OMeTAD hole-transporting material for free-Li-TFSI perovskite solar cells
( American Institute of Physics , 2024 , Article)Lithium bis(fluorosulfonyl)imide (Li-TFSI) is an efficient p-dopant that has been used to enhance the conductivity of perovskite solar cells (PSCs). However, the performance of the corresponding devices is still not ... -
OCTUNE: Optimal Control Tuning Using Real-Time Data with Algorithm and Experimental Results
( MDPI , 2022 , Article)Autonomous robots require control tuning to optimize their performance, such as optimal trajectory tracking. Controllers, such as the Proportional–Integral–Derivative (PID) controller, which are commonly used in robots, ... -
Robust stabilization of LTI negative imaginary systems using the nearest negative imaginary controller
( John Wiley and Sons Inc , 2023 , Article)This paper considers the problem of robust stabilization of linear time-invariant systems with respect to unmodelled dynamics and structure uncertainties. To that end, a methodology to find the nearest negative imaginary ... -
Large-Scale Swarm Control in Cluttered Environments
( Springer Science and Business Media Deutschland GmbH , 2024 , Conference)In the evolving era of social robots, managing a swarm of autonomous agents to perform particular tasks has become essential for numerous industries. The task becomes more challenging for large-scale swarms and complex ... -
Koopman Operator Approximation Under Negative Imaginary Constraints
( Institute of Electrical and Electronics Engineers Inc. , 2023 , Article)Nonlinear Negative Imaginary (NI) systems arise in various engineering applications, such as controlling flexible structures and air vehicles. However, unlike linear NI systems, their theory is not well-developed. In this ... -
Finding the Nearest Negative Imaginary System with Application to Near-Optimal Controller Design
( Institute of Electrical and Electronics Engineers Inc. , 2023 , Conference)In this paper, we consider the problem of robust stabilization of linear time-invariant systems with respect to unmodeled dynamics and structure uncertainties. To that end, we first present a methodology to find the nearest ... -
Gulf householding: implications of gulf migration for social reproduction
( Taylor & Francis , 2024 , Article)This paper introduces the idea of ‘Gulf householding’ to reflect on migrant households that send their members to the Arab Gulf states for work and rely on material and non-material supports for formation and sustenance ... -
Disgraceful return: Gulf migration and shifting national narratives amid COVID-19
( Taylor & Francis , 2023 , Article)Several Asian countries that encourage international migration of labour call their emigrants ‘national heroes and heroines’ because of their contributions to foreign currency reserves and subsequent national development. ... -
Robust adaptive learning control for different classes of dissipative vehicle systems
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference)This paper presents a methodology that leverages learning techniques and robust control theory to design an adaptive controller for a wide class of linear dynamical dissipative vehicle systems. In particular, learning ... -
The Middle East and North Africa (MENA): Fragility, Fragmentation, and Crisis
( Common Ground Research Networks , 2023 , Article)The paper examines the fragility, fragmentation, and crisis in the Middle East and North Africa (MENA) by dissecting the region into three subregions-Maghreb, Mashreq, and the GCC-and elaborating on their complex contours, ... -
Crystal structure of the thalidomide analog (3aR∗,7aS∗)-2-(2,6-dioxopiperidin-3-yl)hexahydro-1H-isoindole-1,3(2H)-dione
( International Union of Crystallography , 2018 , Article)The title compound, C13H16N2O4, crystallizes in the monoclinic centrosymmetric space group, P21/c, with four molecules in the asymmetric unit, thus there is no crystallographically imposed symmetry and it is a racemic ... -
A Novel Green Synthesis of Thalidomide and Analogs
( Hindawi Limited , 2017 , Article)Thalidomide and its derivatives are currently under investigation for their antiangiogenic, immunomodulative, and anticancer properties. Current methods used to synthesize these compounds involve multiple steps and extensive ... -
Crystal structure, spectral, thermal and experimental/computational investigation of Anthracen-benzo[d]thiazol-2-amine new Schiff base derivative
( Elsevier B.V. , 2021 , Article)The N-S-N-tridentate ((E)-N-(anthracen-9-ylmethylene)benzo[d]thiazol-2-amine product was made available by dehydration of 2-Aminobenzothiazole with 9-anthraldehyde under non-classical microwave condition, five-minute ...
