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السجلات المعروضة 3011 -- 3020 من 3215
Influence of carbon nanotubes on phase composition, thermal and post-heating behavior of cementitious composites
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Multidisciplinary Digital Publishing Institute (MDPI)
, 2021 , Article)
This paper experimentally investigates the influence of carbon nanotubes (CNTs) on phase composition, microstructure deterioration, thermal behavior, and residual mechanical strengths of cementitious composites exposed to ...
Effects of covid-19 lockdown on physical activity, sedentary behavior, and satisfaction with life in Qatar: A preliminary study
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MDPI
, 2021 , Article)
This study examined the effects of home confinement on physical activity (PA) and life satisfaction during the COVID-19 outbreak in Qatar. A total of 1144 subjects participated (male: n = 588; female: n = 556; age: 33.1 ± ...
The Effect of Experimental Recuperative and Appetitive Post-lunch Nap Opportunities, With or Without Caffeine, on Mood and Reaction Time in Highly Trained Athletes
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Frontiers Media S.A.
, 2021 , Article)
Purpose: To investigate the effects of placebo (PLA), 20 min nap opportunity (N20), 5mg·kg−1 of caffeine (CAF), and their combination (CAF+N20) on sleepiness, mood and reaction-time after partial sleep deprivation (PSD; ...
Direct-fired oxy-combustion supercritical-CO2 power cycle with novel preheating configurations -thermodynamic and exergoeconomic analyses
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Elsevier
, 2021 , Article)
Energy, exergy, and exergoeconomic analyses of novel direct-fired oxy-fuel combustion supercritical CO2 cycle with preheating and dry-cooling are introduced. Novelty aspects of the study include the preheating process ...
Recent Advances in the Internet-of-Medical-Things (IoMT) Systems Security
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Institute of Electrical and Electronics Engineers Inc.
, 2021 , Article)
The rapid evolutions in microcomputing, mini-hardware manufacturing, and machine-to-machine (M2M) communications have enabled novel Internet-of-Things (IoT) solutions to reshape many networking applications. Healthcare ...
A moderated mediation model for e-impulse buying tendency, customer satisfaction and intention to continue e-shopping
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Elsevier
, 2021 , Article)
The global COVID-19 outbreak and consequent lockdown pushed consumers to engage in more e-shopping, which could lead to e-impulse purchases (e-IB). The purpose of this study is to investigate the interrelationships between ...
Entrepreneurship in ethnic enterprises: The making of new immigrant businesses in New York
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MDPI
, 2021 , Article)
Research on ethnic entrepreneurship has generated substantial literature on the development of ethnic businesses among different immigrant groups in North America. Such studies tend to focus on the emergence of immigrant ...
Remote Corticospinal Tract Degeneration After Cortical Stroke in Rats May Not Preclude Spontaneous Sensorimotor Recovery
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SAGE Publications Inc.
, 2021 , Article)
Background. Recovery of motor function after stroke appears to be related to the integrity of axonal connections in the corticospinal tract (CST) and corpus callosum, which may both be affected after cortical stroke. ...
Optimal output-feedback temperature regulation of a catalytic reverse flow reactor PDEs model
(
Elsevier
, 2021 , Article)
In this work, control and estimation problems have been studied for a catalytic reversal flow reactor (CFRR). A stabilizing compensator is developed on the basis of the infinite-dimensional state-space description of the ...
Convolutional Sparse Support Estimator-Based COVID-19 Recognition from X-Ray Images
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Institute of Electrical and Electronics Engineers Inc.
, 2021 , Article)
Coronavirus disease (COVID-19) has been the main agenda of the whole world ever since it came into sight. X-ray imaging is a common and easily accessible tool that has great potential for COVID-19 diagnosis and prognosis. ...