نتایج جستجو برای: occupational stresses
تعداد نتایج: 98044 فیلتر نتایج به سال:
background: brucellosis is the most common bacterial zoonosis worldwide. greece has the highest reported incidence among eu countries. however, occupational risk factors have not been well described. objective: to determine the incidence patterns and exposure risk factors of brucellosis in greece. methods: we used national-level surveillance and occupational denominator data to estimate the inc...
background: northern ontario, canada has a larger elder population, more resource-based employment, and limited access to physicians and specialists compared to southern ontario. given these important differences, it is possible that work disability rates will vary between the two ontario jurisdictions. objective: to determine the association between time lost due to workplace injuries and illn...
occupational asthma has been reported to be the most common chronic respiratory occupational disease in many developed countries, and as with other occupational lung diseases, occupational asthma is potentially preventable. we report the case of a 24-year-old baker who experienced pneumomediastinum as a consequence of workplace exposure. this is the first report of pneumomediastinum as a...
background: presentation of course plan were advised but presentations of lesson plans were useful too. these items can introduce the course and lessons of each session to students. the objective of this study was the determination of the effects of educational planning on learning of occupational diseases. methods: this study was a semi experimental study which was conducted by using the cur...
background the main purpose of this study was to explore the status of occupational stress among hospital nurses in isfahan, iran. it also aimed to examine the relationship between nurses’ occupational stress and their intention to leave the hospital. methods the study employed a cross-sectional research design. a validated questionnaire was used to collect data from 296 nurses. respondents w...
Hearing loss is a significant and unfortunately common occupational malady. Over the past several decades both the Occupational Safety and Health Administration (OSHA) and the National Institute for Occupational Safety and Health (NIOSH) have initiated efforts to better understand and to limit the occurrence of occupational hearing loss, particularly as it relates to excessive noise exposure. T...
final step of rail manufacturing is cold rolling straightening process and it hassignificant effects on mechanical properties, straightness, flatness and development of residualstresses. measurement of residual stresses after straightening process is obligated by railmanufacturing standards. in the present investigation, an attempt has been made to evaluateresidual stresses after straightening ...
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