background:     objective:     methods:     results:     discussion:

shortage of irrigation water, being a crucial problem in arid and semiarid regions, makes it necessary to use treated wastewater in agriculture. a field experiment was conducted to investigate the effect of treated municipal wastewater (tmw) on the yield and fiber quality of cotton (gossypium hirsutum l.) (mehr variety). treated municipal wastewater was supplied from shahrake ghods sewage treat...

evaluation of river discharges trends is very important for water resources management and design of irrigation and drainage networks. in this research, annual, seasonal and monthly trends of maroon river discharge were evaluated using the mann-kendall and sen’s slope estimator non-parametric tests and the regression analysis parametric test. for this purpose, river discharge data from five h...

introduction earth has ever been exposed to environmental hazards. the hazards are continually occurring in the world in the recent years. among them, atmospheric elements have created many human and financial losses in different regions. one of the hazards is dust events and in its severe case is dust storm. it happens more frequently in arid and semiarid regions in deserts and their surroundi...

the intensive use of antimicrobial agents worldwide for prophylactic and therapeutic purposes has been associated with increase of bacterial resistance in the exposed microbial environment. oxytetracycline is the most frequently used antibacterial in the cold water fish industry because of its broad spectrum of activity and low cost. aeromonas hydrophila and other motile aeromonads are among th...

in a faunistic survey conducted on auchenorrhyncha in sugar beet fields of mashhad and chenaran regions during 2008-2010, a total of 2741specimens belonging to 5 families were collected. as a result, 10 species were added to the fauna of the study area including: family cicadellidae: rhytidodus decimusquartus (schrank 1776), viridicerus malicola (dubovxdy 1966); handianus procerus (herrich-scha...

human resource productivity is an important subject in theory and practice, so increase of productivity is the first priority in most of organizations. the main purpose of most organizations is creating value for their shareholders. so it is necessary to understand effect of human resource productivity in achieving this goal and find the obstacles. the purpose of this research is examining the ...

anti-money laundering act of 1386 granted authority to the supreme council to ratify regulations required by the law. the council adopted bylaws, approved in 1388, but with powers that have been delegated to him under the pretext of some of the crimes emerging technology in the modern criminal justice deficiencies in the law to coordinate with the international instruments such as the palermo c...

introduction there are significant differences in the spatial distribution of the iran annual precipitation. this is resulted from spatial behavior of precipitation in the one hand and variation in the sources of precipitation on the other. the lack of adequate distribution of meteorological stations and the unavailability of long-term statistics of precipitation makes the analysis of precipita...

background:   purpose:   method:   results:   conclusion: