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Now showing items 17223-17242 of 49153
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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 ... -
New tri-switching state non-isolated high gain DC-DC boost converter for microgrid application
( Institution of Engineering and Technology , 2019 , Article)High efficiency is an important requirement from DC-DC converter in DC microgrid system when integrated with renewable energy sources. This study proposes a new tri-switching state non-isolated high gain boost converter ... -
The New Turkey: The Spread of Turkish Military Bases Abroad, Role and Indications 2002-2020
( The Deanship of Scientific Research -The University of Jordan , 2023 , Article)Objectives: This study aims to answer and investigate the following questions: What is the reason for having Turkish military outside Turkey, including the hosting of Turkish military bases abroad? Do these bases reflect ... -
New vehicle bumper design for pedestrian protection during impact
( Institute of Physics Publishing , 2015 , Conference Paper)This study discusses the influence of the active bumper design on the performance of the selected current bumper in terms of pedestrian protection by using finite element method. The legform impactor is used to test the ... -
New voltage regulation techniques for low voltage radial feed PWM inverter based distributed networks
(2010 , Conference Paper)Grid voltage rise problems occur, especially at light loads, due to the proliferation of distributed generation. Two techniques are proposed for regulating the voltage in low voltage radial networks when inverter based ... -
New voltage sensitivity analysis for smart distribution grids using analytical derivation: ABCD model
( Elsevier , 2022 , Article)Sensitivity Analysis plays a significant role in voltage prediction and control of power networks. However, the classical sensitivity methods require significant computation time. As active distribution networks require ... -
Newly developed biodegradable polymer nanocomposites of cellulose acetate and Al2O3 nanoparticles with enhanced dielectric performance for embedded passive applications
( Springer New York LLC , 2017 , Article)In this study, biopolymer nanocomposites of cellulose acetate (CA) and Al2O3 nanoparticles (Al2O3 NPs) were successfully obtained using solution blending method. The effect of Al2O3 NPs loading on the microstructure, ... -
News consumption through SNS platforms: Extended motivational model
( Media Watch , 2018 , Article)The emergence of new media technologies has redefined how people, particularly the youth, are exposed to the news. Social networking sites (SNS), in particular, have widely changed the manner in which news is consumed. SNS ... -
Newsletter April 2022
( The Social and Economic Survey Research Institute , 2022 , Other)
