نتایج جستجو برای: karstification potential

تعداد نتایج: 1067894  

Journal: :پژوهش های جغرافیای طبیعی 0
سجاد باقری سیدشکری دانشجوی دکتری ژئومورفولوژی دانشکدة جغرافیا، دانشگاه تهران مجتبی یمانی استاد دانشکدۀ جغرافیا، دانشگاه تهران منصور جعفربیگلو دانشیار دانشکدۀ جغرافیا، دانشگاه تهران حاجی کریمی دانشیار دانشکدۀ کشاورزی، دانشگاه ایلام ابراهیم مقیمی استاد دانشکدۀ جغرافیا، دانشگاه تهران

introduction hydrograph of springs represents clearly all physical processes that control ground water flows inside aquifer (kuto et al., 2012: 41). study of the curve can reveal information about structure and function of aquifer, particularly hydrodynamic parameters including permeability and storage (troch et al., 1993: 228). analysis of recession curve has the advantage to calculate paramet...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده ادبیات و علوم انسانی 1392

in new management approaches, in the organizations with inflexible structure, existing of red tapes and interruptions caused by limitations and also non-compliance with environmental changes, create demotivation among staff. with regard to the influence of job motivational potential and its relationship to the type of organizational structure( enabling and dissuasive), the goal of this research...

Abstract Lower Cretaceous carbonate units of the Kuhzation, karstification and dolomitization, studies of 40 samples of these carbonate units indicated aragonite as original mineralogy in closed to semi-closed diagenetic system.

Journal: :International Journal of Earth Sciences 2023

Abstract The Pannonian Basin is a sediment-filled back-arc basin which was formed during the Late Paleogene–Neogene period. Such sedimentary rocks like bauxites or kaolinites, are important with regard to industry in region, products of former weathering processes. However, our knowledge about palaeoenvironmental conditions led formation these mineral resources has not yet been integrated. For ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1391

in this research we have studied the effect of some transition-metals (cu, ag and au) substitutions on two-electron reduction potential of flavins by application of dft method. all geometries have been optimized at blyp level of theory and “6-31+g** + lanl2dz” mixed basis set. the frequency job at the same method and basis sets has been performed to obtain gibbs free energy of compounds. it h...

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