Browsing Qatar University Institutional Repository by Title
Now showing items 13299-13318 of 28547
-
L'OTAN et le Maghreb
( L'Harmattan , 2014 , Book)Le Maghreb n’a jamais eu de place majeure dans les politiques et les stratégies de l’OTAN. Pourtant, après la chute de l’Union Soviétique, des approches visant à intégrer dans un dispositif coopératif simplifié les États ... -
L-L and L-2L Multilevel boost converter topologies with voltage multiplier with L-L and L-2L converter of XY familiy
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)A New L-L and L-2L Multilevel Boost Converter topologies (L-LMBC and L-2LMBC) are proposed for photovoltaic (PV) energy application. Both L-LMBC and L-2LMBC topologies are designed to provide a viable and effective solution ... -
L-L Converter for Fuel Cell Vehicular Power Train Applications: Hardware Implementation of Primary Member of X-Y Converter Family
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)In this research work, L-L converter (primary member of XY converter family) is proposed and discussed in detail for fuel cell based Vehicular Power Train (FC VPT) and DC auxiliary loads. In normally, that the voltage of ... -
l-Proline-Catalyzed Three-Component Reaction of 4-Chloro-3-formylcoumarin, Sodium Sulfide, and α-Halo Ketones: A Direct Approach to Thieno[3,2- c ]coumarins
( Georg Thieme Verlag KG , 2023 , Other)A new protocol for the synthesis of thieno[3,2-c]coumarins is disclosed. In this method, a 3-formyl-2-oxo-2H-chromene-4-thiolate anion is generated in situ by treatment of 4-chloro-3-formylcoumarin with sodium sulfide. ... -
L5 Spinal Nerve Axotomy Induces Distinct Electrophysiological Changes in Axotomized L5- and Adjacent L4-Dorsal Root Ganglion Neurons in Rats .
( Mary Ann Liebert , 2020 , Article)Peripheral neuropathic pain (PNP) is a major health problem for which effective drug treatment is lacking. Its underlying neuronal mechanisms are still illusive, but pre-clinical studies using animal models of PNP including ... -
La Convivencia: The Spirit of Co-existence in Islam
( Islamic Research Institute, International Islamic University, Islamabad , 2009 , Article)The tremendous inter-dependence of our era underlines the importance of successfully removing racial, cultural and religious barriers in a manner that nurtures understanding, togetherness, and acceptance. To do so, would ... -
De la fictivité en Droit Qatarien des Sociétés Commerciales
( Qatar University Press , 2022 , Article)Objectifs : Il s’agit dans le cadre de cette étude de déterminer la place réservée par le législateur qatarien aux situations fictives. Les études antérieures ont traité un seul aspect de la question, celui de la société ... -
La proportionnalité en droit des sociétés
( Qatar University Press , 2020 , Article)comRésuméLa présente étude porte sur le principe de proportionnalité en droit des sociétés. Même si la proportionnalité trouve sa source en droit public, elle a envahi différentes branches du droit privé sans avoir pour ... -
La República Islámica de Irán en perspectiva
( Fundación Dialnet , 2019 , Article)En febrero de 2019 la República Islámica de Irán acaba de cumplir cuarenta años de edad. Lejos queda la imagen del ayatollah Ruhollah Jomeiní regresando a Teherán desde su exilio en Neauphle le Châteaux, recibido en clamor ... -
La-Based Perovskites as Oxygen-Exchange Redox Materials for Solar Syngas Production
( Materials Research Society , 2017 , Conference Paper)This contribution reports the synthesis and characterization of La-based perovskites which can be used for the production of syngas via solar thermochemical splitting of H2O/CO2. The La-based perovskites were synthesized ... -
LA3: A scalable link-and locality-aware linear algebra-based graph analytics system
( Association for Computing Machinery , 2018 , Conference Paper)This paper presents LA3, a scalable distributed system for graph analytics. LA3 couples a vertex-based programming model with a highly optimized linear algebra-based engine. It translates any vertex-centric program into ... -
Labels of origin and terroir: the case of the certified wine label ‘Québec Certified Wines’ and the protected geographical indication ‘Ice wine Québec’
( Routledge , 2016 , Article)Today, agriculture and agri-food are at the heart of the changes affecting contemporary economies with the tension between globalization and return to the territories. Consequently the food industry provides a good ... -
Labor Camp Surveys in GCC Countries: Group Quarter Subsampling
( SAGE Publications Inc. , 2019 , Article)The Gulf Cooperation Council is a regional cooperation of six Middle Eastern countries-Saudi Arabia, Kuwait, the United Arab Emirates, Qatar, Bahrain, and Oman. A common feature of these countries is the existence of many ... -
LABORATORIES PREPAREDNESS IN RESPONSE TO COVID 19 PANDEMIC IN QATAR STRATEGIC PLANNING AND EMERGENCY SUPPLY CHAIN MANAGEMENT
(2022 , Professional Masters Project)Introduction: the purpose of this study is to investigate the preparedness of laboratories in Qatar on provisions of essential supplies in pandemic through assesses Supply Chain Management capabilities and its resilience ... -
LABORATORY ANIMAL RESEARCH CENTRE (LARC) “A SPECIFIC PATHOGEN FREE RODENT FACILITY” - COVID – 19 PANDEMIC RESPONSE PLAN
( Qatar University Press , 2020 , Poster)Laboratory Animal Research Centre (LARC) has developed an early emergency operational plan for COVID-19 pandemic situation. Biosafety and biosecurity measures were planned and implemented ahead of time to check the functional ... -
Laboratory challenges in the diagnosis of hepatitis E virus.
( Microbiology Society , 2018 , Article Review)Hepatitis E virus (HEV) is an RNA virus that is an important cause of both acute and chronic hepatitis worldwide. To date, there are eight HEV genotypes that can infect mammals. HEV-1 and HEV-2 infect exclusively humans, ... -
Laboratory Test Utilization Practices in Hamad Medical Corporation; Role of Laboratory Supervisors and Clinicians in Improper Test Utilization; a Descriptive Pilot Study
( Dove Press , 2022 , Article)Background: The use of diagnostic laboratory tests is increasing worldwide. Improper test utilization (ITU) is a common problem for all healthcare systems as it costs substantial expenses for the health systems and impacts ... -
Laboratory testing efficiency during the COVID pandemic: Findings from the Primary Health Care Corporation laboratories in the State of Qatar
( Elsevier Ltd , 2024 , Article)Background Little is known about how the COVID-19 pandemic altered laboratory testing efficiency in the State of Qatar. The aim of this study was to assess laboratory testing efficiency with respect to the total number ... -
Laboratory testing of full-scale pipes partially embedded in soil to study soil-pipe interaction of offshore seabed oil and gas pipelines - Initial observations
( American Society of Mechanical Engineers (ASME) , 2014 , Conference Paper)The geotechnical aspect of the design of off-shore oil and gas pipelines is a challenge due to inherent uncertainties in predicting soil-pipe interaction behaviour. Physical modeling is often sought after to gain insight ... -
Laboratory-scale pull-out tests on a geothermal energy pile in dry sand subjected to heating cycles
( National Research Council of Canada , 2020 , Article)Ground source heat pumps coupled with energy piles operate intermittently, subjecting the piles to temperature cycles throughout their lifetime. The research presented in this paper focuses on studying the thermomechanical ...
