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Now showing items 19935-19954 of 53116
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Performance of a three-To-five matrix converter fed five-phase induction motor under open-circuit switch faults
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)Multiphase machines are conventionally fed from voltage source inverters (VSIs) with bulky dc-link capacitors, which represent a technical drawback in high power medium voltage applications. Alternatively, multiphase matrix ... -
Performance of an Infrastructure Project Following the Deployment of a Customized Lean Strategy
( Qatar University Press , 2023 , Conference Paper)This paper highlights the benefits of adopting and implementing a tailored lean construction strategy with its dynamic action plans during the construction phase of one of Qatar's recently completed infrastructure projects. ... -
Performance of artificial intelligence models in estimating blood glucose level among diabetic patients using non-invasive wearable device data
( Elsevier , 2023 , Article)Introduction: Diabetes Mellitus (DM) is characterized by impaired ability to metabolize glucose for use in cells for energy, resulting in high blood sugar (hyperglycemia). DM impacted 463 million individuals worldwide in ... -
Performance of Basalt Fiber Reinforced Continuous Beams with Basalt FRP Bars
( IOP Publishing Ltd , 2020 , Conference Paper)The state of Qatar is suffering from a harsh environment and coastal conditions which stand for most of the year. As a result, steel-reinforced concrete (RC) structures are subjected to rapid corrosion and deterioration. ... -
Performance Of Chlorella Vulgaris, Neochloris Oleoabundans, and mixed indigenous microalgae for treatment of primary effluent, secondary effluent and centrate
( Elsevier B.V. , 2016 , Article)The objective of this study was to investigate and compare the growth rate and treatment efficiency of Chlorella vulgaris, Neochloris oleoabundans and mixed indigenous microalgae for the removal of organic carbon, nitrogen ... -
Performance of corrosion-aged Reinforced Concrete (RC) beams rehabilitated with Fabric-Reinforced Cementitious Matrix (FRCM)
( International Committee of the SCMT conferences , 2016 , Conference Paper)This paper reports on the feasibility of using fabric-reinforced cementitious matrix (FRCM) systems to rehabilitate corrosion-damaged reinforced concrete (RC) beams. Seven large-scale RC beams were constructed and tested ... -
Performance of eigenvalue based spectrum sensing in full-duplex cognitive radio networks
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)Spectrum sensing is a key component in any cognitive radio network. Recently full-duplex communication, i.e., the ability to transmit and receive at the same time at the same frequency, has become feasible. Residual self ... -
Performance of electrospun polystyrene membranes in synthetic produced industrial water using direct-contact membrane distillation
( Elsevier B.V. , 2020 , Article)Desalination of produced water in the gulf petrochemical industry is a continuing challenge to major research groups in the field. With a focus on produced water from desalination plants, it has become crucial to define ... -
Performance of Four Diagnostic Assays for Detecting Herpes Simplex Virus Type 2 Antibodies in the Middle East and North Africa
( Elsevier , 2019 , Article)Background Assessments of commercial assays in detecting herpes simplex virus type 2 (HSV-2) antibodies have shown variable sensitivity and specificity, and variation in performance by global population. Objective To ... -
Performance of FRCM strengthened RC beams subject to fatigue
( International Committee of the SCMT conferences , 2016 , Conference Paper)Fabric reinforced cementitious matrix (FRCM) is a relatively new material system recently developed for the repair, retrofit, and rehabilitation of reinforced concrete (RC) and masonry structures. Concrete structures such ... -
Performance of FRCM-Strengthened RC Beams Subject to Fatigue
( American Society of Civil Engineers (ASCE) , 2017 , Article)Fabric-reinforced cementitious matrix (FRCM) is a relatively new material system developed for the repair, retrofit, and rehabilitation of reinforced concrete (RC) and masonry structures. Structures such as bridges experience ... -
Performance of Greenhouses in The Arabian Gulf
( Qatar University , 1990 , Article)This work is devoted to the gaining of insight into the operation of environmentally controlled greenhouse in hot and humid climates. Field data inside and outside the greenhouse, namely: solar radiation, dry and wet bulb ... -
Performance of microbial fuel cells in treating petroleum refinery wastewater
( Elsevier Ltd , 2022 , Article)A high level of chemical energy is contained in petroleum refinery wastewater (PRW). In this study, the performance of microbial fuel cell (MFC) treating PRW is investigated in various MFC reactor configurations by studying ... -
Performance of Mild Steel and Corrosion-Resistant Steel Rebars in Chloride-Contaminated Concrete
( Qatar University Press , 2023 , Conference Paper)Reinforced concrete (RC) infrastructure in Arabian Peninsula is subjected to harsh climatic conditions of high temperatures, humidity, and airborne chlorides and there is a high concentration of salts in seawater and soils. ... -
Performance of Mixed RF/FSO with Variable Gain over Generalized Atmospheric Turbulence Channels
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)In this paper, we consider a free-space optical (FSO) communication scheme with the help of a variable gain relay where the links from the source to the relay are radio-frequency (RF) links while the links between the relay ... -
Performance of modified self-healing concrete with calcium nitrate microencapsulation
( Elsevier Ltd , 2017 , Article)This study investigates the strength reduction associated with incorporating calcium nitrate microcapsules in concrete. It also proposes modifications to the calcium nitrate micro encapsulation procedure to minimize the ... -
Performance of non-coherent decode-and-forward relaying over time-varying fading channels
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)Performance analysis of selection combining (SC) for decode-and-forward (DF) relaying in case of general time-varying Rayleigh fading channels is investigated. While auto-regressive (AR) time series model is applied in ... -
Performance of OFDM with M-QAM modulation and optimal loading over rayleigh fading channels
( IEEE , 2004 , Conference Paper)We present optimum bit and power loading algorithms for orthogonal frequency division multiplexing (OFDM) systems using an M-ary quadrature amplitude modulation (M-QAM) scheme. Several scenarios for the amount of channel ... -
Performance of Pristine versus Magnetized Orange Peels Biochar Adapted to Adsorptive Removal of Daunorubicin: Eco-Structuring, Kinetics and Equilibrium Studies
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)Drugs and pharmaceuticals are an emergent class of aquatic contaminants. The existence of these pollutants in aquatic bodies is currently raising escalating concerns because of their negative impact on the ecosystem. This ... -
Performance of relay-assisted soft handover
( IEEE , 2009 , Conference Paper)This paper examines the effect of relay-assisted soft handover on the performance of the uplink communication in the third generation mobile networks. We focus on users which are traveling over two cell boundaries in a ...