نتایج جستجو برای: economic systems
تعداد نتایج: 1464925 فیلتر نتایج به سال:
Изучены динамические процессы в анализе ряда социально-экономических систем. Использованы модели виде динамических, нелинейных, дифференциальных уравнений для важных экономических и социальных параметров. эволюционного развития Рассмотрены бифуркаций, хаоса самоорганизации системах областях катастроф. Проведён анализ с помощью синергетических моделей элементарных катастроф вплоть до катастрофы ...
cultural iran is a scope that is more extended than the political territories of iran as a political unit. this concept means that cultural geography(mehdi moghanlo-1383-1) of iran is greater than its political geography which, according to history, has a long history extending west-east from kandahar to the euphrates and north-south from the persian gulf to the caucasus including transoxiana a...
the aim of this thesis is an approach for assessing insurer’s solvency for iranian insurance companies. we use of economic data with both time series and cross-sectional variation, thus by using the panel data model will survey the insurer solvency.
In this paper, the electrical consumption of a Research Center Building is derived of the bills, Then with defining of fuzzy Bus Thermal Coefficient objective function for heating, the amount of available heat selling to Research Center Building consumer that is produced by Biomass Solar Hybrid Source is calculated. With the capacity determination of Biomass Solar Hybrid Source to provide Therm...
Introduction: Cutaneous leishmaniasis is one of the most important vector-borne diseases that lead to adverse economic consequences. The aim of this study was to determine the economic burden of cutaneous leishmaniasis in endemic areas of this disease in Golestan province in 2015. Methods: This cross-sectional study was performed on 120 cutaneous leishmaniasis patients referred to health center...
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