the findings indicate that among the main factors affecting job stress the psycho-social, physical and environmental factors are prior to the other factors. also amongst the psychosocial factors, lack of career promotion opportunities with 0.222 has the most weight and a lack of accountability of the management about the employees' concerns with 0.036 has the least weight; amongst the phys...

Over recent decades, "Transit-oriented development" has been developed as a new approach based on sustainability concepts. This approach is mainly concerning coordinated action between land use planning and transportation planning which tries to create a clean, people friendly, livable, and dynamic community with growing local economy. Today, old urban centers face enormous challenges in terms ...

in this paper, we introduce ergonomic system in assembly department of irankhodro as a case study, and then we measure its role in employees’ health and improving efficiency and productivity. to this end, we studied the effective factors including environmental, physical, safety, mental, psychological, and training. this research is descriptive – applicative in nature. data were collected throu...

emergence of crops is affected by environmental factors such as soil water, salinity and sowing and seed quality. the present study was conducted to evaluate the effect of seed aging (seed quality) on emergence of wheat under optimum (control) and stressful conditions including salinity (2 levels), drought (2 levels) and deep sowing depth (physical stress). seeds (cv. ‘zagros’) were kept at a h...

With overwhelming evidence of change in habitats, biologists today must assume that few, if any, study areas are natural and that biological variability is superimposed on trends rather than stationary means. Paleobiological data from the youngest sedimentary record, including death assemblages actively accumulating on modern land surfaces and seabeds, provide unique information on the status o...