To recognize the dynamic of vegetation in eastern Iran as well as to ascertain interactions of human societies with theirenvironment, the present study is carried out on charcoal samples collected from Shahr-i Sokhta dated back to the Bronze Age.This research will present two different vegetal formations used by the inhabitants of Shahr-i Sokhta: riparian formationwith species such as tamarisk ...

abstract suitable seedling is one of the most important factors of onion growth and yield in transplanting method (tm). in order to investigation effects of different seedling size and age on marketable yield , biological yield, harvest index and some qualitative characters in onion an experiment was couducted at the agricultural research center of east azarbayjan in 2008. the factorial was con...

The coinage of the Sasanian Empire (224-651 CE) is not only the most important primary source for its monetary and economic history, but also of greatest relevance for its history and art history.Coin hoards are of pivotal importance for studying Sasanian coinage. On August 29,2007,two jars were unearthed during the construction work for the new border sentry post of “Havār-Barxāh-loh” in the P...

Objective: Metal concentrations in 53 soil samples of Shahr-e-Babak were determined.  Methods: Assessment of enrichment factor and geo-accumulation index revealed higher degree of contamination of Cd, Pb, and Cu in soil samples. Moreover, results of metal fractionation study revealed high amount of Cd and Pb are associated in weakly bounds may lead to environmental risk of these metals.  Result...

This study determined the effect of cleansing solutions on microtensile bond strengths of self-etch adhesives to saliva-contaminated dentin. Seventy five human molars were ground flat to expose mid-depth dentin, and randomly assigned to 5 groups (n=15): no contamination, saliva contamination without cleansing, saliva and cleansing with water, saliva and cleansing with 2% chlorhexidine, and sali...