Results 221 to 230 of about 218,644 (263)
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Sleep and Fatigue Issues in Military Operations
2018Sleep is unquestionably a critical commodity for humans, yet research indicates a growing sleep debt prevalent in many segments of society. Performance and health have been shown to be profoundly affected by lack of sleep; we ignore the need for sleep at our peril.
Nita Lewis Shattuck +2 more
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Issues in structural fatigue design and evaluation
Canadian Journal of Civil Engineering, 1994Current practices in the design and evaluation of structural components for fatigue are generally semi-empirical. This is because either it is not practical or economical to realistically simulate field conditions in the laboratory testing or the actual conditions are not known precisely.
A. C. Agarwal +5 more
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Fibromyalgia and Chronic Fatigue Syndrome: Management Issues
2015Fibromyalgia and chronic fatigue syndrome represent two of the most commonly encountered functional somatic syndromes in clinical practice. Both have been contentious diagnoses in the past, and this diagnostic dispute has resulted in a therapeutic nihilism that has been of great detriment to their management and to alleviation of the intense suffering ...
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On the Issue of Fatigue Classification of Cement Composites
Stroitel'nye MaterialyThe abstract generalization of the specifics of fatigue degradation of cement composites due to structural and physical heterogeneity, ambiguity of energy and mechanical effects of induced changes, interdependence of impacts and response, etc., is presented, which together do not make it possible to use the methodology and principles of the limit state
B.I. PINUS, I.G. KORNEEVA
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Fatigue issues in aircraft maintenance and repairs
International Journal of Fatigue, 1997Many design considerations are involved in ensuring structural integrity of Boeing jet transports, which have common design features validated by extensive analyses, tests, and service performance. Designing for continued structural integrity in the presence of damage such as fatigue or corrosion is an evolutionary process.
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Clinical Social Work Journal, 2007
The paper introduces the special issue by first discussing its purpose for the reader and the field of social work. Each article, in the order it appears, is discussed in terms of its contribution to the special issue and the field and linking conceptually each with others in the collection.
Brian E. Bride, Charles R. Figley
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The paper introduces the special issue by first discussing its purpose for the reader and the field of social work. Each article, in the order it appears, is discussed in terms of its contribution to the special issue and the field and linking conceptually each with others in the collection.
Brian E. Bride, Charles R. Figley
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Occupational therapists’ experience of workplace fatigue: Issues and action
Work, 2017BACKGROUND: Occupational therapists (OTs) work in all areas of health and wellbeing. The work is physically and psychologically demanding, but OTs are often not diligent about recognizing and attending to the workplace health and safety issue of fatigue in their own work settings.
Cary A, Brown +2 more
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Critical issues in high cycle fatigue
International Journal of Fatigue, 1999High cycle fatigue (HCF) failures in materials used in rotating components of gas turbine engines have often been found to be attributable to fatigue loading on materials which have sustained damage from other sources. Damage can be present in the form of initial material or manufacturing defects, or can develop during service operation.
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Neurobiology of muscle fatigue. Advances and issues.
Advances in experimental medicine and biology, 1996Throughout this epilogue, we have emphasized that rapid advances in understanding of neural and muscular aspects of fatigue have occurred since the 1980 London Symposium. However, in each instance of progress, from the single muscle fiber to the forebrain, the application of more precise techniques have raised important new questions.
S C, Gandevia +4 more
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1995
Central fatigue during exercise is the decrease in muscle force attributable to a decline in motoneuronal output. Several methods have been used to assess central fatigue; however, some are limited or not sensitive enough to detect failure in central drive. Central fatigue develops during many forms of exercise. A number of mechanisms may contribute to
S C, Gandevia, G M, Allen, D K, McKenzie
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Central fatigue during exercise is the decrease in muscle force attributable to a decline in motoneuronal output. Several methods have been used to assess central fatigue; however, some are limited or not sensitive enough to detect failure in central drive. Central fatigue develops during many forms of exercise. A number of mechanisms may contribute to
S C, Gandevia, G M, Allen, D K, McKenzie
openaire +2 more sources