in order to assess the satellite data for soil investigation, aster digital data 20 june 2006, field study and phisiochemical properties of soil, were analyzed. all landcover classes including soils are classified based onmorphological and physico-chemical characteristics. images were geocorrected and photomorphic units were selected based upon visual interpretation and sampling in study area. ...

Tramadol is an opioid analgesic with the potential for addiction to other opioids, and one of the abused drugs in different countries including Iran. The present study was conducted to determine the prevalence and factors relating to tramadol abuse among higher education students in the city of Damghan in 2016. The present descriptive-analytical study enrolled 730 students from seven higher edu...

The rate of energy consumption is increasing worldwide due mainly to economic advancement and population growth. As a result, renewable sources have gained unprecedented popularity. Wind power has attracted much attention recently as it economical does not create environmental pollution. One vital factor that must be considered in the construction wind-driven plant selection suitable location. ...

implementation of effective input policies and technology consistent with production structure contributes to the economic use of the production. understanding the price elasticity of input and relationship between inputs in the agricultural sector is helpful in choosing appropriate input policy. in this study we examine the production structure of pistachio in damghan. to achieve the goal, tra...