many mobile and off-grid devices include electronics and other electrical consumers like servo drives, which need a quite low supply power. since the price for photovoltaic modules drops continuously, photovoltaic power supply is interesting in more and more applications. in solar powered systems, a battery is needed to store energy for the night and cloudy periods. the power electronics of suc...

august wilson is undoubtedly one of the rare black playwrights whose works have attracted streams of attention and worldwide audience. the present study aims at analyzing fences and piano lesson which are two of the most successful plays in his pittsburgh cycle from the perspective of michel foucault’s theories and ideas. studying these two plays from foucault’s perspective opens new windows in...

A wise use of scientific resources of the Islamic civilization particularly drawing scientific laws and principles from the religious scriptures can pave the way for the naturalization of educational resources and means of education. The primitive and public assumption of scholars and their students is that the great leaders of Islam have dealt with Fiqh, ethics, mysticism, and some braches of ...

there is no doubt that human being needs to become integrated with industry and industry needs to be progressed, daily. on the other hand, serious events in industrial units specially in oil industries has been shown that such damages and events are industry related ones. the consequence of such events and damages which resulted in chemical and poisoned explosions and loss of life and property ...

Heidegger’s Art thinking is the result of his later thought. But the death-thinking is attendant with “Being thinking” in the whole of his thought. In fundamental ontology, “Being” is understood through “Dasein”. The problem of Dasein historicity and temporality led heidegger to contemplate about death. After “turning,” death thinking, it was followed through the “Event (Ereignis) thinking”. In...

tennessee williams (1911-1983), the modern american dramatist, had his own unique school of dramaturgy. the dramas which he depicted are populated by characters who are lonely, desperate, in anxiety, alienated and in one word lost. they face challenges which they may overcome or not, through the choices they make. all these moods and conditions are clearly seen and explained in the theory of ex...