introduction hymenocrater from lamiaceae family is a perennial bush with 24 species in the world and 10 different species in natural habitats of iran (satil et al., 2007). hymenocrater platystegius rech. is exclusive to khorasan province in the north east of iran (mozaffarian, 1996). according to available information, %5 of plant species of iran are becoming extinct, which is 550 times higher ...

saqqez, located in a specific geographical area with its own topographical and climatic conditions, has a cool climate. with long-lasting frosts, the town has imposed harsh bio-climatological circumstances on the residents. on the basis of the results derived from the building thermal request, it was determined that the weather in saqqez is definitely cold about 43.7 percent of the year, and th...

One hundred isolates of Fusarium solani species complex were isolated and identified from 58 agricultural soil samples collected from different geographical regions in Kermanshah, Hamadan and Kurdistan provinces of Iran. Based on morphological characteristics, Fusarium falciforme, F. petroliphilum, F. keratoplasticum and F. pseudensiforme, are reported for the first time from Iran.

Population aging has become a salient issue in contemporary Chinese society (Lee, 2004). An important concern for any aging society is to maintain the health and well-being of older adults (Xie, 2008d, 2009). Studies have shown that family relationships play a critical role in maintaining individuals’ psychological well-being and life satisfaction (Litwin and Shiovitz-Ezra, 2010; Lou, 2010; Geo...

As was made clear in the Introduction to this section on prehistoric maps, historians of cartography have had little to say on prehistoric cartography in the Old World. Neither Richard Andree nor Wolfgang Drober said anything at all. 1 In 1910 Bruno F. Adler discussed two decorated bone plaques that a German antiquarian, Fritz Rodiger, had suggested were maps, but he omitted both from his corpu...

The designers of a mobile cellular system must evaluate the possible configurations of the system components and their characteristics in order to develop a system with greater efficiency. The useful parameters to estimate performances of the system are voice quality, frequency spectrum efficiency and grade of service (GOS). In this study, a scheme proposed to reduce the lost calls and interrup...