Browsing by Title
Now showing items 977-996 of 48276
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A new insight into the separation of oil from oil/water emulsion by Fe3O4?SiO2 nanoparticles
( Academic Press Inc. , 2021 , Article)Nanofluids have shown their potential in the oil recovery process through surface modification. Due to their surface characteristics, they can apply to improve the oil production from reservoirs by enabling different ... -
A new integrated model to explore factors that influence adoption of mobile learning in higher education: An empirical investigation
( Springer New York LLC , 2019 , Article)The aim of this paper is to test the combined effect of the key components of the Technology Acceptance Model (TAM) and those of the Usage and Gratification Approach (U&G) on intention to adopt mobile learning in higher ... -
A new LQP alternating direction method for solving variational inequality problems with separable structure
( Taylor and Francis Ltd. , 2016 , Article)We presented a new logarithmic-quadratic proximal alternating direction scheme for the separable constrained convex programming problem. The predictor is obtained by solving series of related systems of non-linear equations ... -
A new model for learning Arabic script
( Editura Universitatii din Bucuresti , 2016 , Article)This paper intends to solve a long lasting pedagogical problem that is still confronting Arabic learners and teachers by introducing a new approach to learning the Arabic script. The new model minimizes the 110 graphemes ... -
A new modulation technique for wide-range control of output voltage in Z-source inverters
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)Z-source inverter (ZSI) is recently proposed as a single-stage power conversion topology. It adds voltage boost capability for complementing the usual voltage buck operation of the traditional voltage source inverter with ... -
A New Multilevel Inverter Topology with Reduce Switch Count
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)Multilevel inverters are a new family of converters for dc-ac conversion for the medium and high voltage and power applications. In this paper, two new topologies for the staircase output voltage generations have been ... -
A New Multilevel Member of Modified CUK Converter Family for Renewable Energy Applications
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)A new multilevel family member of Modified CUK Converter (MCC) by topping up with Voltage Multiplier (VM) to term as MCCVM is developed in this article. Suitable goal to generate high-voltage output and fits the renewable ... -
A new nano-power trigger circuit for battery-less power management electronics in energy harvesting systems
( Elsevier B.V. , 2017 , Article)This paper presents a solution for battery-less power management circuits for micro-power energy converters, allowing energy harvesting systems to operate under continuous and intermittent conditions. The proposed trigger ... -
A new numerical method for heat equation subject to integral specifications
( International Scientific Research Publications , 2016 , Article)We develop a numerical technique for solving the one-dimensional heat equation that combine classical and integral boundary conditions. The combined Laplace transform, high-precision quadrature schemes, and Stehfest inversion ... -
A new pedagogic modules for training graduate student in research methodology
( Hamad bin Khalifa University Press (HBKU Press) , 2015 , Conference Paper)Research Methodology is a required course common to most graduate programs globally. The applied research methodology course at the College of Engineering, Qatar University is a compulsory course for all graduate students. ... -
A new permanent-magnet vernier machine using a single layer winding layout for electric vehicles
( IEEE , 2014 , Conference Paper)Permanent magnet (PM) vernier machines have shown promise in electric vehicle applications as they offer high torque density and low speed/high torque operation by introducing flux-modulation poles that modulate the ... -
A new perspective on cardiovascular drift during prolonged exercise
( Elsevier Inc. , 2021 , Article)Prolonged exercise induces cardiovascular drift, which is characterized by decreasing mean arterial pressure (MAP), stroke volume and heart rate increase. Cardiovascular drift has been debated for a long time. Although the ... -
A New Poly (Vinyl Chloride) Matrix Membrane Electrode for Manual and Flow Injection Determination of Pilocarpine in Some Pharmaceutical Preparations
( Taylor and Francis Inc. , 1994 , Article)A novel pilocarpinium ion selective membrane electrode is prepared, characterized and used in pharmaceutical analysis. The electrode system incorporates a PVC membrane with pilocarpine-reineckatc ion pair complex as an ... -
A new process for the capture of CO2 and reduction of water salinity
( Elsevier B.V. , 2017 , Article)The present work evaluates a new process for the capture of CO2 and the reduction of water salinity. It is based on the Solvay process without the use of ammonia and involves the reaction of CO2 with saline water such as ... -
A new process for the recovery of ammonia from ammoniated high-salinity brine
( MDPI , 2021 , Article)This paper describes a new method for the recovery of high-concentration ammonia from water in the form of ammonium chloride, ammonium hydroxide and ammonium carbonate. The method was applied to the Solvay process, in which ... -
A new protection scheme for HVDC converters against DC-side faults with current suppression capability
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Article)Two-level voltage-source converters and half-bridge modular multilevel converters are among the most popular types of HVDC converters. One of their serious drawbacks is their vulnerable nature to dc-side faults, since the ... -
A new quadratic asymmetric error correction model: does size matter?
( Springer Science and Business Media Deutschland GmbH , 2022 , Article)We introduce a new quadratic asymmetric error correction model that comprehensively accounts for both sign and size asymmetries. We also propose a test protocol that allows to rigorously identify different sources of ... -
A New Quantitative-Based Performance Management Framework for Service Operations
( John Wiley and Sons Ltd , 2016 , Article)Performance measurement system for individuals and teams is still qualitative and compliance oriented in many organizations. Therefore, most performance evaluations are considered overstated and unreliable by senior ... -
A new sensitivity approach for preventive control selection in real-time voltage stability assessment
( Elsevier , 2020 , Article)Voltage instability is one of the serious problems in power networks due to the growing demand. Sensitivity analysis has been widely hailed as an effective method for voltage stability prediction and control. However, the ... -
A New Seven-Level Inverter Topology with Reduced Switch Number
( IEEE Computer Society , 2020 , Conference Paper)This paper aims to improve the power and voltage quality of a new multilevel inverter which contains a smaller number of switches in the specified voltage levels. The single phase of the proposed inverter includes 8 ...
