نتایج جستجو برای: fauna and flora had been changed during ca 12800
تعداد نتایج: 17094671 فیلتر نتایج به سال:
Background and Aim: Along with extensive control of communicable diseases and decrease in their prevalence, congenital anomalies (CA) has grasped much attention in recent years. Almost 20% of babies’ mortality under one year of age is associated with CA. The present study was conducted to determine the percent of newborns with CA under Birjand city health centers. Materials and Methods: In this...
چکیده به منظور بررسی اثر تنوع گیاهی و نوع منبع تغذیه ای بر تنوع و تراکم علفهای هرز و حشرات، کارایی مصرف نهاده ها ( نور، آب، عناصر غذایی) و عملکرد و خصوصیات کیفی چند گونه زراعی، آزمایشی به صورت کرتهای خردشده بر پایه طرح بلوکهای کامل تصادفی با سه تکرار در دو سال زراعی 1385-1384 و 1386-1385 در مزرعه تحقیقاتی دانشکده کشاورزی دانشگاه فردوسی مشهد به اجرا درآمد. تیمارهای مورد بررسی دو منبع کود دامی و...
recent years have witnessed an increased attention to form focused instruction and consciousness raising activities (ellis, 2002; doughty & williams, 1998) on the one hand and extensive and meaningful exposure to the target language (klapper & rees, 2003; day & bamford, 1998) on the other. due to significance attributed to above mentioned issues by scholars, this study attempted to bridge them ...
objective: the objective of this study was to investigate the invitro fluoride release of four new self-adhesive resin cements; set (sdi, australia), breeze (pentron, usa), embrace wetbond (pulpdent, usa), g-cem (gc, japan) and to assess the bonding performance of these self-adhesive resin cements for bonding of orthodontic brackets. materials and methods: for fluoride release experiment, six ...
Lifemapper (http://www.lifemapper.org) is a predictive electronic atlas of the Earth’s biological biodiversity. Using a screensaver version of the GARP genetic algorithm for modeling species distributions, Lifemapper harnesses vast computing resources through ’volunteers’ PCs similar to SETI@home, to develop models of the distribution of the worlds fauna and flora. The Lifemapper project’s prim...
distribution and morphological variation of emys orbicularis in the coastal areas of the caspian sea
the coastal areas of the caspian sea are geographically unique and provide habitats for different flora and fauna. one of the remarkable inhabitants of this area is the european pond turtle, emys orbicularis (linnaeus, 1758), about which very little is known. in our study thirty seven (37) adult males of e. orbicularis have been identified in the golestan, mazandaran, ardebil, and east azerbaij...
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