The aerial parts of Stachys laxa Boiss. and Buhse. from Siah-bishe in Mazandaran province, Stachys trinervis Aitch. and Hemsl. from Karaj in Alborz province, Stachys subaphylla Rech. F. and Stachys turcomanica Trautv. from Golestan province have been collected in May 2008. Total extracts were obtained through MeOH/H2O (80/20) and then partitioned between CHCl3, EtOAc and MeOH. These fractions a...

following the death of nader shah afshar, the province of kurdistan, with sanandaj being the capital, ruled by the local influential dynasty of ardalan, underwent a severe power struggle triggered by pretenders to the government of iran, just as many other provinces experienced a similar power struggle. in addition, the strategic location of kurdistan as the closest neighboring province of otto...

The biological activities of water extract from Garcinia kola (G. kola) were investigated in growing Wistar rats. Three doses of G. kola extract (0, 10, 20 mg G. kola/100g body mass of rat) were administered daily by gavage to the respective groups of 15 rats for a period of 70 days. The animals were offered standard rat diet and water ad libitum. The plant extract had a depressive effect (P<0....

in this research, the energy flow and production energy indices of canola cultivation in trakya province of turkey, golestan and mazandaran provinces of iran were compared. diesel fuel and chemical fertilizer inputs were the highest consumer of energy in the production of canola in these three regions. the results indicated that despite the higher energy use of machinery in trakya province of t...

this study was done to investigation forest cover changes in the mazandaran province in topographic zones. for doing that in the first matched topographic zones and land-use map. after that distribution of forest cover was investigated in plain, lowland, middle land and high land. forest cover changes analyzed in a period of 132 years since the beginning of the destructive activities in the for...

aim : the aim of this study was to evaluate the prevalence rate of cryptosporidium and other enteropathogen parasites among patients with gastroenteritis in western cities of mazandaran province, northern iran, during one year. background : as specific characterization, high humidity, ecological conditions, superficial water sources, municipal water supplies, domestic and industrial animal husb...

background : ecological studies on mosquitoes are very important in vector control programs. there are a few studies about the ecology of mosquitoes in northern iran. this study was carried out to detect fauna and larval habitat characteristics of mosquitoes. methods : this study aimed to determine fauna and the ecology of mosquitoes in neka county, mazandaran province, northern iran from april...