in this thesis,spin dependend transport and electron transport through of ng/sg(graphene/ superconductor graphen) are studied in the junction of ng/fgt/sg. due to andreev reflection conductance increases in the presence of superconductor graphene.also, by applying a voltage gate on a superconductor, fermi level shifts and the conductance is independent of ferromagnatic substrate. also, the cond...

since the 1960s the age effects on learning both first and second language have been explored by many linguists and applied linguists (e.g lennerberg, 1967; schachter, 1996; long, 1990) and the existence of critical period for language acquisition was found to be a common ground of all these studies. in spite of some common findings, some issues about the impacts of age on acquiring a second or...

In most Arab countries, the relationship between state and society has traditional nature and the nation-building process is still being shaped. Growing urban middle class, increasing the number of educated people and the increase in the use of new communication media such as the internet, lifestyle changes and… have been manifestations of recent social developments in the Arab countries. Since...

Globalization has been mainly based on the initiatives and new demands of hegemonic capitalism system and its general outcome has been a transition from 20th century industrial society to 21st century information society and building relative integrity in the system of traditional relations between countries, cities and creation of network world. The result of globalization in the cities of thi...

the central purpose of this study was to conduct a case study about the role of self monitoring in teacher’s use of motivational strategies. furthermore it focused on how these strategies affected students’ motivational behavior. although many studies have been done to investigate teachers’ motivational strategies use (cheng & d?rnyei, 2007; d?rnyei & csizer, 1998; green, 2001, guilloteaux & d?...

Cinematic superheroes can be considered as modern cultural and mythic phenomena whose multilayered characters enjoy various philosophical meanings like ancient myths. Diverse forms of superhero genre constitute a significant part of media culture and environment. The aim of this study is to answer how modern cinematic myths fulfill various ideological goals from the perspective of cultural stud...

introruction khawf in(iran)-herat and mazaresharif and shirkhan bandar in (afghanistan)-dushanbe in (tajikistan)_(kirgizstan)-kashghar in(china) project railway network is under construction that it is as a significant corridor for revitalizing silk road corridor in the region .at the present there are three different gauge in the region central asia with 1,520 mm gauge and turkey-islamic repu...

    Introduction: One of the factors influencing political development is the orientation of the political system and the political role of the individuals in that society. These political orientations and actions of individuals could be different among social classes. (According to economic and cultural capital) The present study seeks to identify the political culture of social classes. Met...

    Introduction: One of the factors influencing political development is the orientation of the political system and the political role of the individuals in that society. These political orientations and actions of individuals could be different among social classes. (According to economic and cultural capital) The present study seeks to identify the political culture of social classes. Met...