in this thesis, structural, electronical, and optical properties of inverse pervskite(ca3pbo) in cubic phase have been investigated.the calculation have been done based on density functional theory and according to generalized gradiant approximate (gga) as correlating potential. in order to calculate the configurations, implementing in the wien2k code have been used from 2013 version. first of ...

After World War II, United States became a global superpower in the world. Although with having little experience in the war with other countries and the emergence of new states in these countries, the US entered the realm of nation-building with the change of government in Germany and Japan. The establishment of the United Nations at this time did not contribute much to the issue of nation-sta...

"حکومت ملّتی" یا "ملّت پایه" (nation- state) یکی از مهمترین مباحث مورد مطالعه در جغرافیای سیاسی است. سابق? این نوع حکومت به اروپای اواخر قرن هجدهم و اوایل قرن نوزدهم برمی گردد. در مورد شکل گیری حکومت ملّتی در ایران تا زمان حاضر کار چندانی انجام نگرفته است. این تحقیق با روش مطالع? کتابخانه ای و به شیو? توصیفی- تحلیلی انجام گرفته است. در این پژوهش از طریق شاخص سازی برای حکومت ملّت پایه در اروپا، به ...

now-a-days graphic design plays a major role in influencing culture, society, business, and customers, in such a way that one could look upon every individual as a potential customer. graphic designers seek to identify customers needs and find an intelligent solution for them. correct identification and understanding of those needs is the first step towards achieving ones goals. marketing knowh...

this study intends to investigate samuel beckett’s waiting for godot and endgame under the lacanian psychoanalysis. it begins by explaining the most important concepts of lacanian psychoanalysis. the beckettian characters are studied regarding their state of unconscious, and not the state of consciousness as is common in most beckett studies. according to lacan, language plays the sole role in ...

bserved by many teachers that most of the time, mumbling and searching for their intended words, students complain why they have forgotten the words they have learned in the previous semesters. they ask for some new ways that may help them to recall and apply the learned words more efficiently, since as they declare one of the most important skills in foreign language learning is having a g...