because of the establishment of a sewage treatment plant in the city of isfahan in recent years, a study was undertaken to investigate the effect of this system in reducing the high prevalence of helminthiases. samples obtained from various parts of the plant and at different stages of processing were examined and it was found that the eggs of ascaris, trichostrongylus spp. and trichuris are fo...

Mankind consumes as many fossil fuels per year nature produced during a million years. Furthermore, energy consumption has tripled in the last 60 years, and is expected to be doubled 2050, due technological economic takeoff of large emerging powers. In light this scenario, change policies should aimed promote efficiency use sustainable resources, such bioenergy, safely environmental friendly. B...

The object of research is the mode movement granules mineral fertilizers obtained in towers. subject effect physical and chemical properties granules, their size initial hydrodynamic parameters on speed tower. fertilizer industry characterized by high requirements for production fertilizers, which makes it promising to use granulation plants large unit capacity, tower production. resulting prod...

in the present study, the effect of two species of amf, glomus mosseae and glomus intraradices, alone and in combination, was evaluated on the growth criteria, chlorophyll content, and root rot disease caused by fusarium solani f. sp. pisi, on chickpea (cicer arietinum l.) under greenhouse conditions. chickpea seeds were sown into pots containing 100 g of amf inoculum (more than 1,000 propagule...

to estimate population density of the cabbage aphid, brevicoryne brassicae (l.), a stratified random sampling was conducted in two unsprayed canola fields in isfahan (central iran) during 2011-2012. population density was determined for apterous, and alates, as well as the total population, at two plant growth phases (pgp1: from plant emergence to the end of rosette, and pgp2: from the beginnin...