گونه  campanula kurdistanica به عنوان گونه جدید برای علم گیاهشناسی از غرب ایران ، استان کردستان، جهات شمالی تا شمال غربی کوه شاهو معرفی می گردد. این گونه متعلق به زیرجنس campanula و بخش saxicolae می باشد. از این بخش در ایران تعداد 10 گونه که تعداد 8 گونه از آنها انحصاری ایران هستند یافت می شود. این گونه از محتمل ترین خویشاوند خود c. cymbalaria با داشتن صفاتی تفکیک می گردد. ساقه به طول تا 11 سان...

گونه  Campanula kurdistanica به عنوان گونه جدید برای علم گیاهشناسی از غرب ایران ، استان کردستان، جهات شمالی تا شمال غربی کوه شاهو معرفی می گردد. این گونه متعلق به زیرجنس Campanula و بخش Saxicolae می‌باشد. از این بخش در ایران تعداد 10 گونه که تعداد 8 گونه از آنها انحصاری ایران هستند یافت می شود. این گونه از محتمل‌ترین خویشاوند خود C. cymbalaria با داشتن صفاتی تفکیک می‌گردد. ساقه به طول تا 11 سان...

the caspian sea contains great resources of oil and gas. the caspian sea is a 700- mile- long body of water in central asia, land located between azerbaijan, iran, kazakhstan, russia and turkmenistan. iran was challenges and opportunities in the caspian region. key question in this thesis includes three section that first question, opportunities of iran in the caspian region, second question ch...

this thesis basically deals with the well-known notion of the bear-invariant of groups, which is the generalization of the schur multiplier of groups. in chapter two, section 2.1, we present an explicit formula for the bear-invariant of a direct product of cyclic groups with respect to nc, c>1. also in section 2.2, we caculate the baer-invatiant of a nilpotent product of cyclic groups wuth resp...

saluk mount is selected for devonian biostratigraphy. this area located at southwest of bojnurd. in this study three sections are selected and two sections, chahar-borj and tabar sections with a thickness of 650 m, which consist mainly of calcareous sediments was studied in detailed but third section, qelli section, with a thickness of about 450m which consist mainly of sandstone and evaporates...

abstract : the purpose of this research is to study a bout multiple manifestations of poem music in hakim sanaee ghaznavi poems yherefore the first seetion of this book study and describes the complete works of this research about poem music love poem sanaee poem and this known and famous poets life and works the second section explained the external music of sanaee poems that for better u...