special nature is reduced if they work under such conditions for at least thirty hours per week. daccess-ods.un.org 从事地下工作、对健康构成危害的工作或特殊性质的工作的雇员,如 果在此类条件工作了至少每周三十个小时,工作时间 要 缩短。 daccess-ods.un.org [...] mind: sleeping problems; ...
Muscular work must be supported by a ready supply of ATP energy. There are three major ATPases that require ATP for muscle activity: Na+/K+-ATPase, myosin ATPase and Ca2+ ATPase. The Na+/K+-ATPase pumps Na+ back out and K+ back into the fiber after an action potential. The myosin...
He also advised people to stay hydrated, saying the benefits of drinking water include helping one to lose weight, prevent kidney diseases and to increase stamina by fighting muscle fatigue. Galeragwe said stamina was necessary both at the workplace and at home to keep one focused, energised, ...
Mental fatigue is a common phenomenon in modern people, especially after a long period of mental work. Individuals frequently have to make critical decisions when in a mentally fatigued state. As an important and complex cognitive function, risk decision-making might be influenced by mental fatigue...
Fatigue failure can be characterized by three stages: crack initiation (nucleation), crack propagation, and final fracture. Cracks tend to initiate at grain boundaries, inclusions, pores and other microstructural defects. In this stage, cracks typically propagate along maximum shear stress planes and ...
In addition, it is well-known that the crack initiation site can be shifted from the outer surface to the subsurface by surface treatment processes. The shot-peening process has the ability to significantly harden the near-surface layer being able to shift the crack initiation location underneath...
In future work, the causal relationship between SMA and academic engagement could be explored through longitudinal follow-ups. Second, due to the limitations of research funds and the time, this study only conducted a questionnaire survey at one university in Nantong; therefore, whether our findings...
Mental fatigue is usually caused by long-term cognitive activities, mainly manifested as drowsiness, difficulty in concentrating, decreased alertness, disordered thinking, slow reaction, lethargy, reduced work efficiency, error-prone and so on. Mental fatigue has become a widespread sub-health condition...
We use essential cookies to make sure the site can function. We also use optional cookies for advertising, personalisation of content, usage analysis, and social media. By accepting optional cookies, you consent to the processing of your personal data - including transfers to third parties. Some...
orchard workers all had upward trends, which increased on average 21.6 and 6.2 on average in scoring, respectively. The physiological fatigue contributed more to the comprehensive fatigue of orchard workers It can be considered to delay the occurrence of fatigue by reducing work intensity and working...