نتایج جستجو برای: fatigue
تعداد نتایج: 70017 فیلتر نتایج به سال:
background : the purposes of this study were to examine the impact of chemotherapy treatment on jordanian cancer patients’ fatigue and to correlate their fatigue with selected sociodemographic variables at the beginning of treatment and after four weeks of treatment. methods : this was a single group quasi-experimental correlational design study that enrolled 43 patients diagnosed with cancer w...
a comprehensive review of fatigue behavior and fatigue design of heavy section wind turbine castings made of ductile iron en-gjs-400-18-lt is performed. common metallurgical defects that are affecting fatigue behavior of this material were studied. review of different researches on quantitative effect of chunky graphite and micro structure on fatigue behavior of en-gjs-400-18-lt was performed. ...
Background and aims: Fatigue has a high prevalence in working population and associated with psychological stress in work environment, strongly. Occupational fatigue has negative effects on human errors and performance. Self report fatigue and hormonal change are fatigue assessment tools. This study aimed to evaluate acute fatigue and Urinary Free Cortisol level of carpet weavers in working and...
background: multiple sclerosis (ms) is a neurological disease with fatigue as most prevalent symptom. psychopathological symptoms, physical and mental dysfunctions and body mass abnormalities potentially could deteriorate fatigue. thus, in this study, we aimed at evaluating the effect of these factors on fatigue severity of ms patients. methods: in this cross-sectional study, 162 patients with ...
aims: work proper lighting means a safe, healthy and comfort conditions for work under a lighting system that includes qualitative and quantitative features. this study aimed to evaluate the surface local lighting of works and eye fatigue among research and development staffs of an automotive industry. instrument & methods: in this descriptive study in research and development department of an ...
Nowdays, the prediction and prevention of fatigue failures is converted to one of the most concerns for industry owners. Since the processes of fatigue suddenly occur, it is most important and necessary to recognize the effective factors of fatigue life of structures. Mechanical and thermal multiple loading are the important factors of the fatigue failure. In order to appropriate fatigue design...
Background: Fatigue in the workers reduces the individual's resistance and eventually leads to the lower performance, increased errors and accidents. This study assessed the fatigue, mental workload and the correlation between them, in operating room personnel of Hamadan hospitals, Iran. Materials and Methods: In a descriptive study, the mental workload and its association with fatigue in oper...
in this study, the fatigue behavior of alloy steels with different hardness values was tested. results showed that the fatigue limit increases by the increment of hardness up to 400 vickers whereas it drops when the hardness value exceeds 400 vickers. fractographic observations using scanning electron microscopy revealed non-metallic inclusions as the dominant fatigue crack initiation sites. by...
Fatigue is one of the most common and a distressing side effect of cancer and its treatments. It can affect all aspects of patients’ life and leads to several other hardships. To determine fatigue intensity and it’s changing pattern among those suffering from cancer receiving chemotherapy, a descriptive longitudinal study was conducted. The principal method of data collection was a daily diary...
Background: Muscle fatigue has been known to influence brain activity, but very little is known about how cortical centers respond to muscle fatigue.Objective: This study was conducted to investigate the effects of muscle contraction and fatigue induced by two different percents of maximal voluntary contraction (MVC) on Electroencephalography (EEG) signals.Material and Methods: In t...
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