Concern about the impact of climate change on natural and socioeconomic systems has been increased in recent years and this issue caused an increasing interest in the scientific community . The aim of this study is to evaluate changes in parameters such as precipitation, minimum and maximum temperature by General Circulation Models (GCM) and its impact on average runoff using SWAT model in Gh...

in solvo-hydrothermal method, xrd pattern was indicated presence of intermediate of ammonium octatmolybdate and ammonium tetramolybdate, which were changed to stble phase of ?-moo3 annealing. sem images were indicated nanoparticle with semispheical morphology and tem image was demonstrated nanoparticles with a diameter size of 25nm. also in impregnate method. the xrd pattern was shown high crys...

This study sought to evaluate the effect of changes in the composition of interregional intermediate exports and total volume of intermediate exports on the sectoral output of Golestan province and other regions using two-regional input-output model. For this purpose, at first, two-regional input- output tables for each of these region (Golestan province and other regions of country) were prepa...

abstract: country’s fiber optic network, as one of the most important communication infrastructures, is of high importance; therefore, ensuring security of the network and its data is essential. no remarkable research has been done on assessing security of the country’s fiber optic network. besides, according to an official statistics released by ertebatat zirsakht company, unwanted disconnec...

the present study investigated construct equivalence of multiple choice (mc) and constructed response (cr) item types across stem and content equivalent mc and cr items (item type ‘a’), non-stem-equivalent but content equivalent mc and cr items (item type ‘b’), and non-stem and non-content equivalent mc and cr items (item type ‘c’). one hundred seventy english-major undergraduates completed mc ...