Browsing by Title
Now showing items 17435-17454 of 50160
-
New sliding mode control of a five-phase permanent magnet synchronous motor drive in wide speed range
( Springer Verlag , 2017 , Book chapter)This paper proposes a novel sliding mode control (SMC) for a five-phase permanent magnet synchronous motor (PMSM). This control strategy exhibits stability control system and fast dynamic response. The stability of the ... -
New Social Media Cinderella's: On the Double Effect of Underdog Status and Homophily on SMI Perceptions and Buying Intentions: An Abstract
( Springer Nature , 2023 , Book chapter)With the rise of digitalization processes within firms, brands' significant presence on social media has become crucial for creating added value to consumers. Therefore, creating a distinct brand image and deciding which ... -
New solitary wave and computational solitons for Kundu-Eckhaus equation
( Elsevier , 2022 , Article)The goal of this research is to find novel optical solutions to the Kundu-Eckhaus equation, which possess crucial roles in the field of nonlinear optics. A collective variable (CV) strategy is adopted to solve governing ... -
New solitary wave and multiple soliton solutions for fifth order nonlinear evolution equation with time variable coefficients
( Elsevier B.V. , 2018 , Article)In this paper, we investigate the multiple soliton solutions and multiple singular soliton solutions of a class of the fifth order nonlinear evolution equation with variable coefficients of t using the simplified bilinear ... -
New solitary wave and multiple soliton solutions for the time-space coupled fractional mKdV system with time-dependent coefficients
( American Scientific Publishers , 2016 , Article)In this paper, a simplified bilinear method combined with a fractional transform has been used to obtain new multiple soliton solutions for the Fractional coupled modified KdV systems with variable coefficients. These ... -
A new species of leucosiid crab (Decapoda: Brachyura: Leucosiidae) from the Arabian Gulf
( Magnolia Press , 2017 , Article)The Indo-West Pacific genus Coleusia Galil 2006, was recently described and now comprises seven species. We describe a new species from the western Arabian Gulf, Coleusia janani n. sp. The new species is closely related ... -
New Student Orientation Guide on QU Mobile App
( Qatar University , 2016 , Video) -
New Students Orientation
( Qatar University , 2015 , Video) -
NEW SULFUR-DOPED CARBON FIBER – SUPPORTED ALLOYS FOR ELECTROCATALYTIC REDUCTION OF OXYGEN FOR PEM FUEL CELLS APPLICATIONS
(2018 , Master Thesis)The daily increase in the world needs for new sources of energy, the population and economy growth, and the industrial expansions made the demand for new sources of energy a critical request within different societies. ... -
New Switched-Capacitor based Boost Seven-Level ANPC (7L-ANPC) Boost Inverter Topology
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)The major issue with the three-level active neutral point clamped (ANPC) topology has been the necessary use of higher DC-link voltage with lower peak across the load. In this paper, a new 1.5 voltage gain 7L-ANPC topology ... -
New switching algorithm for combining new multi-step CG and self-scaling VM algorithms for non-linear optimization
( Qatar University , 1997 , Article)New interleaved CG and self-scaling VM algorithm is presented in this research which combines Al Bayati's self-scaling VM algorithm with another new multi-step CG algorithm with inexact line searches (ILS). In an interleaving ... -
New switching technique for quasi-Z-source resonant converter
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)© 2018 IEEE. The Quasi-Z-Source (QZS) inverters are the promising topology for the renewable integration with the grid. QZSI achieves the MPPT during the shoot through state, without additional DC-DC converter, and ... -
New Technique for Flood Risk Assessment of Sub-Networks in Large Networks Using InfoWorks ICM: A Case Study of Qatar's Full Storm Water Network
( Qatar University Press , 2023 , Conference Paper)The elements of the storm water network are made to safely drain most water during a heavy rainstorm. Flood risk modelling (mathematical modelling) with hydraulic software is a good way to check the network's level of ... -
A New Technique To Predict Multilayered Reservoir Characteristics Using Pulse Testing Data
( Qatar University , 1998 , Article)In this study, a mathematical model was developed to present pulse and interference testing for multilayered reservoirs. It was found that apparent storage calculated from pulse testing data is always less than or equal ... -
New tellurite glass: Optical properties
( Elsevier , 2008 , Article)The refractive index and UV spectra of the quaternary tellurite glass system of the form 80TeO2-5TiO2-(15 - x) WO3-xAnOm where AnOm is Nb2O5, Nd2O3 and Er2O3, x = 0.01, 1, 3 and 5 mol% for Nb2O5 and x = 0.01, 0.1, 1, 3, 5 ... -
New tetradentate Schiff base Cu(II) complexes: synthesis, physicochemical, chromotropism, fluorescence, thermal, and selective catalytic oxidation
( Springer , 2021 , Article)Three neutral Cu(II)/ƞ4-NNNO Schiff base complexes (1-3) were prepared from the (E)-4-nitro-2-(((2-(piperazin-1-yl)ethyl)imino)methyl)phenol, tetradentate Schiff base (SB) ligand, and the corresponding copper(II) salts. ... -
A New Tetrafluoroborate Liquid Membrane Electrode For Selective Determination Of Boron
( Qatar University , 1986 , Article)The construction and performance characteristics of a new liquid membrane electrode selective for BF^ion are herein described. The electrode incorporates nitron-tetrafluoroborate ion pair complex in nitrobenzene as a liquid ... -
A New Three Nodes Shell Element With Transverse Shear
( Qatar University , 2000 , Article)This paper proposes a new three node curved shell element. The approach used in the development of the new element is based on the Marguerre shallow shell theory which incorporates the effects of initial curvature (out-of ... -
New three-dimensional poly(decanediol-co-tricarballylate) elastomeric fibrous mesh fabricated by photoreactive electrospinning for cardiac tissue engineering applications
( MDPI AG , 2018 , Article)Reactive electrospinning is capable of efficiently producing in situ crosslinked scaffolds resembling the natural extracellular matrix with tunable characteristics. In this study, we aimed to synthesize, characterize, and ... -
New topologies for photovoltaic-fed single-stage boost inverters
( IEEE , 2013 , Conference Paper)In photovoltaic-fed applications, boosting the limited output voltage is very essential. Single-stage boost inverters can efficiently be used to interface renewable energy sources. In this paper, different topologies for ...
