This article is devoted to the study of medieval Alania settlements in X-XII centuries, mentioned written sources. The issue territorial localization Alanian cities described texts highlighted. A hypothesis according which was a union four independent regions with cultural and political centers centuries described. first region (western region) occupied territory mountains foothills gorges rive...

The authors analyze the activities of Iran's consular services in Caucasus, their role Russian-Caucasian diplomatic relations, particular, processes Iranian labor migrants’ adaptation to host societies. aim expand historical knowledge Iranians’ staying restore a complete picture history migration region. There are revealed features Iranian-Caucasian relations pre-Soviet period, situation migran...

renewable energy sources like wind, sun, and hydro are considered as a reliable alternative to the traditional energy sources such as oil, natural gas, or coal. this paper describes modeling and simulations to determine a method for the power performance evaluation of autonomous wind turbine system. a speed control regulator is utilized to control the dc bus voltage. the inverter gate’s signals...

sediment yield data, collected for most regions in iran has been insufficient and not so reliable and there is still not any sufficiently reliable methodology available for sediment yield assessment in the country as a whole. on the other hand, an attainment of reliable sediment yield data is a must and key requirement for the design of effective sediment management as well as control strategie...

Combining testimonial reports from independent and partially reliable sources is an important problem of uncertain reasoning. This paper proposes a general model of partially reliable sources which includes several previously known results as special cases. The paper reproduces these results, gives a number of new insights, and thereby contributes to a better understanding of this important AI ...