Currently path-finding methods, which are widely used in GIS, rely on finding a path, which the sum of pixels’ weights on the path would be less than the other paths. According to dependency between sum of pixels' weights and length of path, decrementing of sum of pixels' weights can not considered as a proper criterion for optimum path finding. In addition, path length is not regarded as an in...

in this study, the biosynthesis of gold nanoparticles by penicillium chrysogenum, isolated from ahar copper mine, was investigated. the gold nanoparticles were synthesized by reducing the aqueous gold ions using the culture supernatant of the filamentous fungi. the uv–vis spectrum displayed a characteristic peak at 532 nm that is very specific for gold nanoparticles. the xrd spectrum confirmed ...

Principal Skarn deposits along the northern margin of the Ahar batholith from west to east include Mazraeh, Vine and Gowdoul skarn deposits. Among these skarn deposits, the Mazraeh Cu-Fe Skarn deposit is the most typical skarn deposit in the NW Iran. This skarn deposit is located 5 km. north of Mazraeh village and 20 km north of Ahar town. The origin and development of the skarn can be related ...

Stress is considered as an inseparable part of life. Although it is sometimes useful and positive, if there is overstress, there would be some disturbances created in human life as the negative aspect of stress. In this research the different dimensions of stress regarding family, environmental, and personal stress and their effects on the amount of learning English among students at Islamic Az...

Amlapitta is a commonly encountered disease of Annavaha Srotasa (Gastrointestinal system) described in various Ayurvedic Text. According to Ayurveda Agni one the main principle human health. And cause by Suppression Agni; When Amla Guna & Drava excessively increases Pitta Guna; produce. Now-a-days it has become 'Burning' problem our Society. this not only hampered physical health but also p...

Educational technology with its wide variety of usage has assisted teachers and learners to learn from the material which been produced reviewed by experts. However, question may come mind concerning number applying such productions, how they perceive if use them, for what purpose them. This study was designed investigate Iranian Arabic teachers’ perception educational software. To find answer ...