introduction one of the most vulnerable water resources against contamination is ground water table. these resources are exposed to contamination in various forms. identifying and controlling contamination in these resources are more difficult and costly than surface waters. also because of the persistence of contamination in these resources, the best way to prevent their contamination is to id...

this research is an effort in deep description of everyday life of students and their experience of happiness. the main question of this research is “how students will experience happiness in their everyday life.” .in order to answer this question we started to have a field research in two of the girls high schools in area six of tehran. we have used participant observation and semi_structured ...

Multiple sclerosis is a disease of the central nervous system whose clinical manifestations include animportant group of ocular pathologies, e.g., unilateral retrobulbar neuritis, uveitis, decreased visual function, nystagmus, internuclear ophthalmoplegia, diplopia, optic papillitis and Marcus Gunn pupil. Additionally, it is not generally appreciated that bitemporal hemianopia, usually associat...

Firdowsi's Shahnameh, the poetic mythological epic of Iran, is created on the base of opposite forces of the world, namely Iran and Aniran and the battles of their people, because the design of the mythological history of Iran is also basically created on the intercourse of opposites .One of the most comprehensive philosophical views on history is  Friedrich Hegel's attitude. In this view, the ...

Local histories have long examined both the ties that bind communities together and the developments that make them distinct. As is evident in the term itself, "local" history takes as the most fundamental of these ties the connection of a group of people to a particular location. It is curious, therefore, that writers of local history have often taken this geographic connection for granted. Th...

The last two plays of Aristophanes show a world that for the first time in the development of Western civilization can reasonably be called secular. The secularity of Ecclesiazusae and Plutus lies in their presenting human individuality as containing in its activity the various aspects of the life of the polis, more thoroughly than the gods who presided over them. The gods do not thereby vanish...