Purpose: This study performed with goals of determining the Items in designing and developing the user interface of digital libraries' websites and to determine the best digital libraries' websites and discuss their advantages and disadvantages; to analyze and compare digital libraries' websites in developing countries with those in the developed countries. Methodology: to do so, 50 digital lib...

The investigation of electricity consumption is one of the main issues in the energy economics literature and has been considered empiricaly in recent years. So the main aim of this paper is to estimate the optimal electricity consumption in Iranian household sector during the period of 1990-2009. For achieving this, the empirical model has been estimated by panel data for three gropus of count...

run-out-table (rot) is located between last finishing stand and down coiler in a hot strip mill. as the hot steel strip passes from rot, water jets impact on it from top and bottom and strip temperature decreases approximately from 800-950 °c to 500-750°c. the temperature history that strip experience while passing through rot affects significantly the metallurgical and mechanical properties, s...