Results 31 to 40 of about 1,492,706 (365)

Stress biomarkers, mood states and sleep during a major competition: success and failure athlete’s profile of high-level swimmers.

open access: yesFrontiers in Physiology, 2016
The aim of this study was to evaluate stress markers, mood states and sleep indicators in high-level swimmers during a major 7-days competition according to the outcomes. Nine swimmers (6 men and 3 women (age: 22 ± 2 years and 22 ± 4 years, respectively)
MOUNIR eCHENNAOUI   +10 more
doaj   +1 more source

The Role of Inflammation in Depression and Fatigue

open access: yesFrontiers in Immunology, 2019
Depression and fatigue are conditions responsible for heavy global societal burden, especially in patients already suffering from chronic diseases. These symptoms have been identified by those affected as some of the most disabling symptoms which affect ...
Chieh-Hsin Lee, F. Giuliani
semanticscholar   +1 more source

Fatigue modeling using neural networks: a comprehensive review

open access: yesFatigue & Fracture of Engineering Materials & Structures, 2021
Neural network (NN) models have made a significant impact on fatigue-related engineering communities and are expected to increase rapidly soon due to the recent advancements in machine learning and artificial intelligence.
Jie Chen, Yongming Liu
semanticscholar   +1 more source

Application research on 5G technology in fatigue test of full-scale aircraft

open access: yesHangkong gongcheng jinzhan, 2023
With the development of aircraft demand, and emerging of new material and new process, the test and validation technology of aircraft structure strength will also face new challenges.
LIU Bing, ZHANG Jianfeng, MU Bin
doaj   +1 more source

Muscle-like fatigue-resistant hydrogels by mechanical training

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2019
Significance The combinational muscle-like properties including high fatigue resistance, high strength, superior compliance, and high water content are highly desirable for various applications of soft biomaterials such as hydrogels.
Shaoting Lin   +3 more
semanticscholar   +1 more source

Enhancing fatigue life by ductile-transformable multicomponent B2 precipitates in a high-entropy alloy

open access: yesNature Communications, 2021
Catastrophic accidents caused by fatigue failures often occur in engineering structures. Thus, a fundamental understanding of cyclic-deformation and fatigue-failure mechanisms is critical for the development of fatigue-resistant structural materials ...
R. Feng   +10 more
semanticscholar   +1 more source

A multi-modal MRI study of the central response to inflammation in rheumatoid arthritis

open access: yesNature Communications, 2018
Many diseases, such as rheumatoid arthritis, are characterized by a chronic inflammatory state, but it is not clear whether or how this affects the brain. Here, the authors show that the severity of on-going inflammation predicts altered functional brain
Andrew Schrepf   +9 more
doaj   +1 more source

Pandemic fatigue and clinical nurses’ mental health, sleep quality and job contentment during the covid‐19 pandemic: The mediating role of resilience

open access: yesJournal of Nursing Management, 2021
Aim This study examined the influence of pandemic fatigue on clinical nurses’ mental health, sleep quality and job contentment, with resilience as a mediator.
L. Labrague
semanticscholar   +1 more source

Work schedule and seasonal influences on sleep and fatigue in helicopter and fixed-wing aircraft operations in extreme environments

open access: yesScientific Reports, 2022
Sleep and fatigue were investigated in aviation search and rescue, firefighting, emergency medical services and offshore transfer operations in 210 participants, for 21 days each, across 17 datasets in seven countries.
Adam Fletcher   +4 more
doaj   +1 more source

Fatigue Analysis of Threaded Components with Cd and Zn-Ni Anticorrosive Coatings

open access: yesMetals, 2021
The influence of the electrodeposition of cadmium and zinc-nickel and the stress concentration effect on the fatigue behavior of AISI 4140 steel threaded components were studied. Axial fatigue tests at room temperature with a stress ratio of R = 0.1 were
Jefferson Rodrigo Marcelino dos Santos   +3 more
doaj   +1 more source

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