in this study myer index was calculated for six groups of a sample of urban and rural population of iran, classified by population size. the data used were information collected on 146116 urban and 158124 rural populations, for estimation of death, birth and growth rates in iran. the results indicate: the range of the index varies between 23.14-68.06 for women and 28.41-69.62 for men (urban or ...

In China's industrialization process, the effective regulation of energy and environment can promote the positive externality of energy consumption while reducing negative externality, which is an important means for realizing the sustainable development of an economic society. The study puts forward an improved technique for order preference by similarity to an ideal solution based on entropy ...

Abstract N owadays, conservation, maintenance and monitoring of natural resources according to estimated benefits and costs, plays an important role in economic growth and sustainable development. Economic development along with environmental protection, while preserving economic competitiveness by providing eco-friendly technologies, will prevent of loss and waste of environmental r...

background: medical shoes are a solution for the construction and performance related to foot problems. people with healthy feet do not require medical shoes. shoes have different designs and heights and are probably produced with different materials depending on the nature of the required correction. ordering medical shoes, like medicine, is personal for each individual. however, today many co...

The banking sector is one of the important financial intermediaries in an economic system. Improvement in the banking sector can achieve optimal allocation of financial resources. The performance of banks and other financial service providers has direct effect on economic growth. One of the factors that can affect the banks operation is economic freedom. Economic freedom and freedom of private ...

introduction: cardiac complications, including heart failure, are the most important secondary ones of the thalassemia major disease, which manifests itself in adolescence and early adulthood. appropriate, low cost diagnostic tools available as well as knowing its related factors are the most important components of therapy in these patients, given the importance of these complications, or by e...

the aim of this study is to evaluate the effect of information delay on theperformance of joint investment funds. in order to achieve the aim of thisstudy sample consisted of twenty funds in the tehran stock exchange from2010 to 2014 the systematic elimination method has been adopted. in thisstudy, the linear regression test has been used in order to evaluate the researchhypothesis. data analys...

the objective of the study was to compare the effects of antibiotic virginiamycin, probiotic protexin® and plantago major l. (plantain) on performance, serum metabolites, immune response, and the ileal microbial population of broilers. the experiment was carried out with a total of 200 day-old male ross 308 broiler chickens in a completely randomized design. chickens were allocated to five grou...

this study was undertaken to evaluate the effect of hydrolysable tannin (ht) and condensed tannin (ct) on growth performance and body composition of nile tilapia. hydrolysable tannin and ct were included into diets at four levels (0, 5, 15, and 25 g kg-1 diet). the diet with zero tannin level acted as control and the response of fish fed diets containing tannin was compared to that of the contr...