â â â  many of environmental conditions are explainable, either directly or indirectly with regard to topographical changes in pressure levels of high atmosphere. thus, studying this subject is great importance. in this article, after determining the threshold of flood in catchment, altitudinal data of 500 hp level for 44 storms generating floods during (1370_1384) were processed using the fact...

        This paper proposes a new forecasting model for investigating relationship between the price of crude oil, as an important energy source and GDP of the US, as the largest oil consumer, and the UK, as the oil producer. GMDH neural network and MLFF neural network approaches, which are both non-linear models, are employed to forecast GDP responses to the oil price changes. The resul...

 The importance of community's health followed by the consideration of endogenous growth models has led to an increase in health expenditure of countries to speed up economic growth and development. This has made the efficiency of health production function to an essential issue especially in developing countries. Based upon this, the present study with employing the stochastic frontier analysi...

Storicamente: rivista scientifica di storia, open access, supportata dal Dipartimento Storia Culture Civiltà dell'Università Bologna. contemporanea, moderna, medievale, antica, antropologia e geografia

Purpose: With  increasing the usage  of  myocardial  perfusion  imaging  (MPI)  for  the diagnosis  of  ischemic  heart  disease,  we  aimed  to  evaluate  the  side  effects  of  low-dose  radiation  induced  by  this  technique  on blood elements, especially proteins and liver function factors.Materials and  Methods:  40  eligible  patients  (Mean  age:  54.6...

â â â  â â  abstract â  the importance of community's health followed by the consideration of endogenous growth models has led to an increase in health expenditure of countries to speed up economic growth and development. this has made the efficiency of health production function to an essential issue especially in developing countries. based upon this, the present study with employing the...