introruction khawf in(iran)-herat and mazaresharif and shirkhan bandar in (afghanistan)-dushanbe in (tajikistan)_(kirgizstan)-kashghar in(china) project railway network is under construction that it is as a significant corridor for revitalizing silk road corridor in the region .at the present there are three different gauge in the region central asia with 1,520 mm gauge and turkey-islamic repu...

The Clark method is one of the most applicable techniques for development of instantaneous unit hydrograph whose efficacy depends upon the accuracy in estimating storage coefficient. The present study was conducted in Kasilian watershed in Mazandaran Province to determine the efficiency of developed hydrograph using Clark's method and to compare the Muskingum storage coefficients obtained throu...

Background: The general tendency of society in the use of natural extracts as antimicrobial, antioxidant and preservative compounds has increased in recent years. Objective: The purpose of this study is to improve the functional properties of two native plants (Hyssopus officinalis and Eryngium caeruleum M.Bieb) of the country that was accomplished by comparing the increasing stability of the a...

This study examines the long run relationship between the efficiency component (good market efficiency and labor market efficiency) in the global competitiveness index and the variables of economic success (economic growth and unemployment) by using new econometric methods in selected countries of Asia with the average upward Global Competitiveness Index. This study, in the framework of the Pan...

A comprehensive exergy analysis of a suggested heat pump using low temperature geothermal surface water in Ramsar is carried out in this paper. Analytical formulas for exergy loss, exergy efficiency, exergy loss ratio, exergy loss coefficient and thermodynamic perfect degree are presented for whole and every single component of the system. This analysis is done in heating and cooling mood. It i...