prediction of the heavy metals in the groundwater is important in developing any appropriate remediation strategy. this paper attempts to predict heavy metals (pb, zn and cu) in the groundwater from arak city, using artificial neural network (ann) algorithm by taking major elements (hco3, so4) in the groundwater from arak city. for this purpose, contamination sources in the groundwater were rec...

     The essential oils and aromatic water, known as Arak in traditional Iranian medicine, comes from the aerial part of Teucrium persicum Boiss., which is grown in Fars Province located in Iran. The samples were collected in summer and the oils and aromatic water were obtained through steam distillation. The chemical composition of the oils was analyzed using GC-MS. An analysis of the chemical...

comparison of the effect of concept mapping and nursing process on self-regulated learning, self-efficacy and cognitive strategies in nursing students     rezaei k [1] *, kouhestani h [2] , nejat n [3] , ebrahimi fakhar h [4]     received: 12 oct , 2011 accepted: 20 jan , 2012     abstract   background & aims : the success of nursing students depends on the understanding of complex concepts and...

toxoplasmosis is a zoonotic and usually asymptomatic infection. this study was carried out to investigate the seroepidemiology of toxoplasma infection in women referred to arak marriage consulting center during 2012-2013.in this cross-sectional study, serum samples were collected from 400 women referred to marriage consulting center in arak city, markazi province, central iran during 2012-2013....