recently, tremendous studies have been made on psychopathology and treatment of social anxiety disorder. according these studies, several models of etiology have been developed for sad. some concepts that studied include temperamental and genetic factors, environmental factors and learning experiences, social skill deficits, cognitive factors, cultural issues and evolutionary factors. etiologic...

alzheimer's disease (ad) is the most common form of neurodegenerative disorders. memory loss in an alert person and impairment in the function of language, attention, perception, judgment or problem solving can occur in patients with ad. however, there are some medications in order to delay the debilitating aspects of the disease; but unfortunately, scientists could not found approaches to...

many real water resources optimization problems involve conflicting objectives. in this study, multiobjective genetic algorithm nsga-ii, has been developed for optimization the conjunctive use of surface water and groundwater resources and optimal management of supply and demand of agricultural water. here, optimal allocation of land and water resources to the dominant products in najaf abad pl...