The tribe art reflects the culture, and customs and kind of the livelihoods of peoples. In this direction the most trustworthy narrator pottery from the ancient land considered which design and the role running on them reflects the beliefs, culture and the people of believe it to be the area and it have suggested untold and the myth of its region's peoples. Sari potteries, are considered one of...

The Mashhad Musalla is one of the largest and most beautiful historic musallas in Iran. Mashhad Musalla has been built during the Safavid Empire, ordered by Suleiman I. Tile's inscription on the Iwan of Musalla gateway gives the date of the end of construction, in the year 1087 AH. This monument is located at the east of Mashhad. The building has a high porch and two porticoes on both sides. Mu...

boron nitride semiconducting zigzag swcnt, $b_{cb}$$n_{cn}$$c_{1-cb-cn}$, as a potential candidate for making nanoelectronic devices was examined. in contrast to the previous dft calculations, wherein just one boron and nitrogen doping configuration have been considered, here for the average over all possible configurations, density of states (dos) was calculated in terms of boron and nitrogen ...