nonstop growth of urban population and concentration of industrial and agricultural activities in many parts of the world and iran have given rise to increased demand for water for different uses .furthermore, as one important factor of lack of exchange between human and environment resulting in wide exploitation from agricultural lands, mine extraction, and application of various industrial to...

The objective of this research was to study the effects of phenological stages on yield and quality traits in 22 populations of tall wheatgrass Agropyron elongatum. A split plot design was conducted using a complete randomized block with two replications in Lorestan (Borujerd), Iran during 2007-2008. The genotypes were cut in five maturity stages as vegetation, stem elongation, heading date, an...

hydrothermal alteration processes are extensively took place on volcanic and pyroclstics of takestan area. existence of abundant, deep fracturing and subvolcanic intrusions are enhanced extend hydrothermal alteration zones. the following alteration zones are determined: propylitic, argillic, advanced argillic and sillicic. there are outcropped and widespread in different size and limit. formati...

background: substance abuse prevalence and the number of suicides among university students is less than public population; however the sensitivity of society regarding the occurrence of such damages among students puts special emphasis on appraising these variables. more than 30% of iranian students study in islamic azad university. objectives: the current research aimed to appraise the vulner...

the objective of this research was to study the effects of phenological stages on yield and quality traits in 22 populations of tall wheatgrass agropyron elongatum. a split plot design was conducted using a complete randomized block with two replications in lorestan (borujerd), iran during 2007-2008. the genotypes were cut in five maturity stages as vegetation, stem elongation, heading date, an...

khole-kū is located in the south of takestan and on the border of qazvin plain. this site was sounding during an archaeological project in the spring of 2011. the pottery materials found by this excavation indicated for the site to have been succesivly occupied from prehistory to islamic periods. in this article we performed a classification framework based on the typological characteristics of...

Sense of humor as a key factor for increasing the effect of instruction has been overlooked by research in the field of education. This study was an attempt to investigate the effects of the use of humor on EFL learners’ reading comprehension. For this purpose, a group of Iranian EFL learners were taught reading comprehension through the use of humorous passages while another group of learners ...

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