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السجلات المعروضة 1136 -- 1155 من 48376
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A Pilot Study on Evaluating the Microbial Quality of Produce Sold at the Wholesale Produce Market in Doha Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)Environmental and sanitary conditions play a major role on the quality of fresh produce. The Wholesale Produce Market (WPM) in Doha is an open-air market located in close proximity to the livestock market and slaughterhouse. ... -
A pinch analysis approach to environmental risk management in industrial solvent selection
( Springer Verlag , 2019 , Article)Abstract: The problem of solvent selection in an industrial process has been examined in a number of different approaches, often including single- and multi-criteria optimization techniques. Traditionally, it has been ... -
A planar ultrawideband patch antenna array for microwave breast tumor detection
( MDPI AG , 2020 , Article)In this paper, a compact planar ultrawideband (UWB) antenna and an antenna array setup for microwave breast imaging are presented. The proposed antenna is constructed with a slotted semicircular-shaped patch and partial ... -
A PLM components monitoring framework for SMEs based on a PLM maturity model and FAHP methodology
( Mundo Press , 2014 , Article)Right PLM components selection and investments increase business advantages. This paper develops a PLM components monitoring framework to assess and guide PLM implementation in small and middle enterprises (SMEs). The ... -
A point symmetry based method for transforming ODEs with three-dimensional symmetry algebras to their canonical forms
( Elsevier Inc. , 2016 , Article)We provide an algorithmic approach to the construction of point transformations for scalar ordinary differential equations that admit three-dimensional symmetry algebras which lead to their respective canonical forms. -
A polyethylene glycol (PEG) – polyethersulfone (PES)/multi-walled carbon nanotubes (MWCNTs) polymer blend mixed matrix membrane for CO2/N2 separation
( Springer Science and Business Media B.V. , 2021 , Article)Recently, carbon capture utilizing membrane technology has received much attention to limit the adverse effect caused by rising carbon dioxide (CO2) concentration in the atmosphere as they are less energy intensive and ... -
A polysulfobetaine hydrogel for immobilization of a glucose-binding protein
( Royal Society of Chemistry , 2016 , Article)A hydrogel based on sulfobetaine methacrylate monomer N-(methacryloyloxyethyl)-N,N-dimethyl-N-(3-sulfopropyl)ammonium betaine and N,N-bis(methacryloyloxyethyl)-N-methyl-N-(3-sulfopropyl)ammonium betaine used as a crosslinker ... -
A pooling strategy for flexible repair shop designs
( SciTePress , 2018 , Conference Paper)We discuss the design problem of a repair shop in a single echelon repairable multi-item spare parts supply system. The repair shop consists of several parallel multi-skilled servers, and storage facilities for the repaired ... -
A population study of clinically actionable genetic variation affecting drug response from the Middle East
( Nature Research , 2022 , Article)Clinical implementation of pharmacogenomics will help in personalizing drug prescriptions and alleviate the personal and financial burden due to inefficacy and adverse reactions to drugs. However, such implementation is ... -
A Portable Active Photovoltaic Solar Energy System in Treating Wastewaters by Electrocoagulation
( ASTM International , 2021 , Article)This study presents the effects of adding some provisions to a portable photovoltaic (PV) solar energy system to obtain both DC and ac sources. An efficient ac high-speed fan was powered from this system to cool the PV ... -
A portable electromagnetic head imaging system using metamaterial loaded compact directional 3d antenna
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)A non-invasive, low-powered, and portable electromagnetic (EM) head imaging system is presented using metamaterial (MTM) loaded compact directional 3D antenna. The antenna consists of two slotted dipole elements with ... -
A Portrait of Low-Income Migrants in Contemporary Qatar
( Springer Singapore , 2019 , Book chapter)Though transnational labour migration in the Gulf States has increasingly been of scholarly interest, that scholarship has to date relied largely on qualitative ethnographic methodologies or small non-representative sampling ... -
A potential link between oxidative stress and endothelial-to-mesenchymal transition in systemic sclerosis
( Frontiers Media S.A. , 2018 , Article Review)Systemic sclerosis (SSc), an autoimmune disease that is associated with a number of genetic and environmental risk factors, is characterized by progressive fibrosis and microvasculature damage in the skin, lungs, heart, ... -
A power control strategy for flywheel doubly-fed induction machine storage system using artificial neural network
( Elsevier Ltd , 2013 , Article)A large-capacity low-speed flywheel energy storage system (FESS) based on a doubly-fed induction machine (DFIM) consists of a wound-rotor induction machine and a back-to-back converter rated at 30-35% of the machine power ... -
A practical perspective for chromatic orthogonality for implementing in photolithography
( Nature Research , 2023 , Article)Theoretically, it is more challenging to anticipate the conversion and selectivity of a photochemical experiment compared to thermally generated reactivity. This is due to the interaction of light with a photoreactive ... -
A practical solution approach for the green vehicle routing problem
( Elsevier Ltd , 2017 , Article)Green vehicle routing (GVRP) is an active research area that is concerned with the development and analysis of distribution activities with eco-friendly vehicles. We propose a practical solution approach for the GVRP that ... -
A Practical Universal Consortium Blockchain Paradigm for Patient Data Portability on the Cloud Utilizing Delegated Identity Management
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)This paper presents a blockchain system that exploits the base modular features of the Hyperledger Fabric framework to allow for a new, patient-centric, practical data portability paradigm. The system empowers patients by ... -
A precious-metal-free Fe-intercalated carbon nitride porous-network with enhanced activity for the oxygen reduction reaction and methanol-tolerant oxygen reduction reaction
( Royal Society of Chemistry , 2020 , Article)The economical cost of the catalyst material has remained a challenging task in traditional fuel cells (FCs) and in direct methanol fuel cells (DMFCs). However, replacement of noble metals with precious metal-free materials ... -
A precise converter for resolvers and sinusoidal encoders based on a novel ratiometric technique
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)Resolvers and other sinusoidal encoders provide electrical signals related to the sine and cosine of the unknown angular position of their rotor shafts. Conventional tangent/cotangent converter used with these transducers ... -
A predictive control approach for fault management of computing systems
( Association for Computing Machinery , 2015 , Conference Paper)In this paper, a model-based predictive control approach for fault management in computing systems is presented. The proposed approach can incorporate existing fault diagnosis methods and fault recovery actions to facilitate ...
