flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...

the world wide web becomes very popular recently and plays an influential role in english learning. by burgeoning role of source-based writing as partial fulfillment of tefl courses and vast use of the internet, lack of empirical studies to explore these areas is obvious. this study aimed to explore the effect of the amount of familiarity with the web (internet literacy) on junior english stude...

Intordaetion: The differences in various geographical areas can no longer be explained by the differences in traditional inputs. There is growing evidence that social capital stands for the ability of producers to get benefit, by virtue of membership in social networks or other social structures in economic outcome (Portes, 1998 and Okunmadewa, et al. 2005 cited in Yusuf, 2008). Thus there ...

Background and Objectives: Due to the importance of ameliorating the food security status of immigrants, as one of the main vulnerable groups at the international level, in the present study, the association between food security, diet diversity, socio-economic factors, and social welfare of Afghan immigrant households in the Southern areas of Tehran Province was investigated.  Materials & Me...

Introduction: Retirement and elderness are mostly interrelated and intersependent that often occur simultaneously. One of the most significant chalange in this period is the isuue of quality of life. The aim of this study is the effect of cultural, economical and social capital on the quality of life of retired teachers in Jawanroud city in 2020.  Method:The method of this study is of descript...

Introduction: Retirement and elderness are mostly interrelated and intersependent that often occur simultaneously. One of the most significant chalange in this period is the isuue of quality of life. The aim of this study is the effect of cultural, economical and social capital on the quality of life of retired teachers in Jawanroud city in 2020.  Method:The method of this study is of descript...