health of organization’s employees is dependent on psychosocial factors such as job stress, considerably. job stress is related to the low quality of life, job burnout, increasing the risk of accidents and work–related injuries and cause job change and early retirement of employees. this study aimed to evaluate employees’ job stress in an industry as well as to assess its relationship by person...

background managing and coping with occupational stress as a recognized problem in the modern era, is vital and important. nursing is by nature a stressful occupation. continuous and long-term stress can result in physical, psychological, and behavioral problems in nurses. we aimed to assess occupational stress in nurses working in surgical, internal and psychiatric wards in teaching hospitals ...

loading conditions and complex geometry have led the cylinder heads to become the most challenging parts of diesel engines. one of the most important durability problems in diesel engines is due to the cracks valves bridge area. the purpose of this study is a thermo-mechanical analysis of cylinder heads of diesel engines using a two-layer viscoplasticity model. in this article, mechanical prope...

in order to determine the best index for evaluating maize genotypes, 15 maize inbred lines were evaluated in two planting dates, 6 july to coincide heat stress with pollination time and 27 july as normal planting to avoid high temperature during pollination and grain filling period, using a randomized complete block design with three replications, in shushtar city, in 2007. result showed that i...