all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...

Regarding the importance of recent developments in the middle-east, this article is aimed at studying and analyzing the existing capacities these developments have for Islamic revolution of Iran in order to exert influence on them. Before reviewing Iran's intellectual capacities and soft power in international arenas, this part of Iran's power should be analyzed in the middle-east region especi...