نتایج جستجو برای: water level
تعداد نتایج: 1582970 فیلتر نتایج به سال:
In recent years due to increase of drought frequency, lakes water levels, in arid and semi-arid regions of the Iran, have dropped significantly. Therefore, in addition to ecosystem degradations, drought challenges socio-economic sectors as well. The purpose of this study was to evaluate the water level fluctuations of Parishan Lake during the wet and dry periods, and the impact of drought indic...
to illustrate the impact of various levels of deficit irrigation on yield and yield components of maize cultivars, a study was conducted based on randomized complete blocks as a split plot design with 3 replicates and two treatments for three crop seasons. four levels of deficit irrigation including: conventional, 100, 80, and 60% of water level use were considered as main plots and two varieti...
Background and purpose: Fluoride is one of current anions in water and soil, but its level varies in different water supplies. Most of the body's requirement for fluoride is supplied through drinking water, therefore, water utility authorities and monitoring organizations should closely control the level of fluoride in drinking water. The aim of this study was to measure the level of fluoride i...
در این تحقیق اثر ریتانسرین ( آنتاگونیست گیرنده سروتونینی 5-ht2) بر فراموشی ناشی از اسکوپولامین (آنتاگونیست گیرنده موسکارینی کولینرژیک ) در ماز آبی موریس morris water maze,mwm) ) بررسی گردید .
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