نتایج جستجو برای: trophic state index

تعداد نتایج: 1243378  

Journal: :Applied Water Science 2021

Abstract Phosphorus (P) is one of the key nutrient compounds for phytoplankton grow. In conducted work, eutrophication indexes were used assessment level water course (Służewiecki Stream) and waters nearby lakes (Bottom Berensewicz’s Pond, Wyścigi Wilanowskie Lake). Calculating based on most important indicators which crucial process: total phosphorus (TP), nitrogen (TN), chlorophyll a (Chl( ))...

Journal: :Aquatic Sciences 2022

Abstract Anthropogenic eutrophication is one of the consequences human activities observed from beginning urbanization processes and now a widespread problem around globe. Mitigation directly corresponds to achievement at least three main Sustainable Development Goals. Due complexity mechanisms, there are still many issues with managing this process its consequences, that complicate above-menti...

ژورنال: سلامت و محیط زیست 2011
اکبرزاده, عباس, جعفری, فاطمه, فرمن اصغرزاده, دیانا, نوری, روح‌اله,

Backgrounds and Objectives: The Atrak River is an important water supply resource in the Razavi Khorasan, Northern Khorasan and Golestan provinces. This river is the line border of Iran and Turkistan countries. Unfortunately, lack of water quality and quantity data due to nonexistence of a proper surface water quality monitoring station network is one of the main problems for water quality eval...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و زبانهای خارجی 1390

abstract the present thesis seeks to critically read george orwell’s nineteen eighty-four and animal farm in the light of louis althusser’s thought and theory. the present thesis proceeds to examine and demonstrate althusser’s major concepts including ideological state apparatuses (isas), repressive state apparatuses (rsas), the structure, the subject, and ideological interpellation which r...

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