after the soviet union dissolution, a chaotic period was begun in the russia. russia lost its glory and felt disgrace. the first group of elites came to power under yeltsin; they tried to re-define russia’s identity as a european country and build a foreign policy on this baseline. therefore russia tried to become closer with the west especially with the u.s. according to their view the sovie...

this research was conducted in two protect and destroy region in the middle zagros, in illam province. in order to identification of ecological species group and evaluate density of regeneration, effect of many factors such as protection, vegetation, physiographic factors, physical and chemical properties of soil in study locations were studied. to achieve these purpose number of 54 plots using...

section{introduction} the concept of {sl cartan geometry} appeared at the beginning of the twentieth century, when {e}lie cartan was working on the so-called {sl equivalence problem}, the aim of which is to determine whether two given geometric structures can be mapped bijectively onto each other by some diffeomorphism. this problem can be considered in many different contexts, such as ...

In a wide range of fabrics attributed to Sasanian era, animal motifs are observable in the form of geometric designs, including medallions. The case study in the present paper concerned animal motifs of Sassanid textiles with a focus on natural and non-domesticated animals that were able to be depicted in the form of a Medallion design alone and without the presence of a hunter. According to th...

abstract ion selective electrodes (ises) are electrochemical sensors that respond selectivity to the activity of ionic species. an ion-selective electrode is an electrochemical device that uses a thin selective membrane or film as the recognition element, and is an electrochemical half-cell equivalent to other half-cells of the zeroth (inert metal in a redox electrolyte). in common methods o...

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...

an investigation into oral interaction in language classes: a conversation analytic point of view the aim of this thesis is to analyze the interaction between language teachers and students in english language institutes. this work is done in the context of yasuj city. learning another language, which is in most cases english, involves many variables. one of these variables is the linguistic...

In Iranian art, the horse is a solar symbol of the spiritual radiance of resurrection and life, and Muslims associate it with happiness and joy. With the development of pottery in the Seljuk period and with a brief look at the pottery left from this period, the horse motif has been depicted in abundance in the form of scenes such as riding, hunting, war, and literary themes. The artists were ab...

Pre-historic pottery investigating is one of the sources that provide a lot of information about the life and art of that time. Among Iranian arts, Pottery is of a greater antiquity, originality and importance and represents people’s culture, beliefs and traditions more than any other art. After basket weaving, pottery has been the first lasting art of mankind. By investigating earthenware moti...

the construct of self-efficacy has received increasing attention in research over the past two decades. many studies have been carried out 1.3 significance of the study this study has pedagogical implications since improving students’ self- efficacy and autonomy is important for promoting actual performance on classroom academic tasks. in academic settings, it has been shown that self-effi...