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501
Using Event History Analysis in the Social Sciences
Published 2019“…Since the variable of interest is how much time passes between two consecutive logins for each student, I use a statistical technique called event-history analysis or survival analysis. …”
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502
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503
Preparation and characterization of chemically synthesized polyaniline–polystyrene blends as a carbon dioxide gas sensor
Published 2013“…The non-ohmic behavior of I–V characteristics by the blend films indicates that these nanocomposite films may have some utility in electronic device applications; an increase in conductivity is observed with decreasing PS concentration. …”
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504
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505
Diabetic Sensorimotor Polyneuropathy Severity Classification Using Adaptive Neuro Fuzzy Inference System
Published 2021“…Diabetic sensorimotor polyneuropathy (DSPN) is an early indicator for non-healing diabetic wounds and diabetic foot ulcers, which account for one of the most common complications of diabetes, leading to increased healthcare cost, decreased quality of life, infections, amputations, and death. …”
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506
Tailoring optical absorption in silicon nanostructures from UV to visible light: A TDDFT study
Published 2016“…(ii) The exciton binding energy is seen to decrease by approximately 45% from 0.67 eV to about 0.3 eV with length increase, for a nanostructure with a cross-section diameter of approximately 12 Å. …”
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507
EFFECT OF PHENOL AS A CONTAMINANT ON THE WILD PEARL OYSTER PINCTADA IMBRICATA RADIATA IN QATAR: ECOTOXICOLOGICAL APPROACH AND USE OF OYSTER SHELL STRUCTURE AS A POTENTIAL MITIGATIO...
Published 2022“…Based on the adsorption isotherm model, the adsorption capacity decreased by temperature and the coefficient of determination R2 of the Freundlich adsorption isotherm model showed the best equilibrium data for phenol adsorption with the physical interaction adsorption process. …”
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508
Boost inverter-based HVDC transmission system with inherent blocking capability of AC side contribution during DC side faults
Published 2014“…A comparison between the performance of the conventional 2-level VSC-HVDC and the proposed system during DC side faults is also presented. …”
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509
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510
Combined Heat and Power System based on Solid Oxide Fuel Cells for hospitals in hot and humid environment.
Published 2021“…Finding optimized and sustainable solutions to the depletion of current resources and the associated CO2 emissions is one of Qatar's 2030 vision's most essential goals. …”
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511
Environmental impacts of solar photovoltaic systems: A critical review of recent progress and future outlook
Published 2021“…It was concluded that the carbon footprint of the PV system could be decreased further by one order of magnitude using novel manufacturing materials. …”
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512
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513
The effect of post-lunch napping on mood, reaction time, and antioxidant defense during repeated sprint exercice
Published 2021“…To compare the effects of two nap opportunities (20 and 90 min) to countermeasure the transient naturally occurring increased sleepiness and decreased performances during the post-lunch dip (PLD). …”
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514
Novel voltage balancing algorithm for single-phase cascaded multilevel inverter for post-module failure operation in solar photovoltaic applications
Published 2019“…To validate the control algorithm for off-grid and grid connected system, simulation results of the multilevel qZSI are discussed in two categories: (i) DC voltage source powered multilevel qZSI for RL load subjected to module failure and (ii) solar powered multilevel qZSI connected to utility grid subjected to module failure and variable solar irradiation. …”
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515
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516
Impact On Local Pearl Oyster Pinctada Radiata Exposed To Chronic Levels Of Chlorine
Published 2019“…Chlorine is widely used in industrial processes for mainly i. Sterilization of sewage and pollutants and ii. …”
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517
Modeling of dual-metal Schottky contacts based silicon micro and nano wire solar cells
Published 2014“…We study solar cell properties of single silicon wires connected at their ends to two dissimilar metals of different work functions. …”
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518
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519
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520
A Reconfigurable Multipurpose SoC Mobile Platform for metal detection
Published 2018“…Acknowledgment This project was funded by Qatar University Internal Grants program. References [1] Y. Zhu, B. Jin, Y. Wu, T. Guo and X. Zhao, «Trajectory Correction and Locomotion Analysis of a Hexapod Walking Robot with Semi-Round Rigid Feet», Sensors, vol. 16, no. 9, p. 1392, 2016. [2] T. …”
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