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stress and mental health at the place of work have received great attention by researchers. in spite of technology improvement in high-tech systems, the operators face new problems, which can affect mental health. there is hardly any published research about stress or mental health in such workplaces in developing countries. this paper presents the application of the self-rating scale general h...

in this work, zeolite nay was prepared by hydrothermal method. then, silver ions were replaced in the zeolite nay with silver nitrate (agno3) solution via using ion exchange (ie) method. the manganese dioxide (mno2) nanoparticles (9.3 and 15.8 wt %) for guest were deposited in the zeolite agy(host) structure with mn(no3)2 aqueous and kmno4 solutions by confined space synthesis (css) method. syn...

in order to evaluate the effects of ethephon and nitrogen fertilizer on sweet sorghum cv. sofra, an experiment was conducted as split plot on a randomized complete block design with three replications at agricultural research station of isfahan university (isfahan, iran). experiment was conducted with four nitrogen levels (0, 100, 200 and 300 kg urea ha-1 from urea with 0, 46, 92 and 138 kg nit...

in order to study the effects of four concentrations (check, 5, 10 and 15%) of hull extracts on growth of 10 iranian rice cultivars, two experiments were conducted in completely randomized block design with factorial arrangement and three replications at two sites, laboratory and greenhouse. laboratory study showed that same rice hull extracts had stimulat effects and the others had inhibitory ...

modernity and its impacts on urbanism and the change of the concept and the nature of the city which began in qajar era, stands in a sensitive level in pahlavi’s government (1920-1940). in this stage the concept of modernism can be seen as a pattern in cities (tehran in particular) which affects all economic, social, cultural, physical, management and urban planning aspects s. the main question...

Suprem e Court Justice William O. D ouglas w ill speak on “The Conservation of M an” at 8 p.m. Thursday (March 11) in Stepan Center. The controversial justice is the author of “ Points of R e b e llio n ” and is a noted champion of civil rights and conservation. A ppoin ted to the n a tio n ’s h ig h e s t cou rt by P r e s id e n t Franklin D. R oosevelt in 1939, Douglas has authored 20 books ...

in this study, optimized adaptive neuro-fuzzy inference system (oanfis) was employed on a set of daily, weekly, 10-days and monthly data of inflow water into the alavian dam to predict the real-time inflow of the reservoir. sequential and exhaustive search algorithms were used to determine the numbers and time steps of the model inputs and also reducing the prediction’s errors. in sequential se...

in order to investigate the effects of different irrigation regimes and zeolit on the yield, yield componentsand relative leaf water content of sorghum, a field experiment was conducted in split plot in time andspace based on randomized complete block design with three replicates in research station of shahidbahonar university of kerman in 2011. irrigation regimes (100, 80, 60 and 40% of field ...