نتایج جستجو برای: statistical parameters

تعداد نتایج: 913467  

Journal: :Environmental Earth Sciences 2021

Abstract Volcanic tuffs naturally show a strong heterogeneity in their petrography and petrophysical properties. The arrangement of the components can create very wide spectrum porosities fabrics, which turn lead to highly differential weathering behavior. Considerable amounts clay minerals zeolites are common contribute high sensitivity expansional processes salt crystallization. Understanding...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده علوم 1391

abstract in the present research solution of chalcopyrite in sulfuric acid in hydrometallurgy method using electrochemistry with cyclic voltammetry technique has been investigated. the value of maximum reduction peak current of copper ions represents the measure of solubility. in this research different parameters temperature, potential, potential exert time, chalcopyrite concentration, sulfur...

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