the history of plant’s used for mankind is as old as the start of humankind. initially, people used plants for their nutritional proposes but after the discovery of medicinal properties, this natural ?ora became a useful source of disease cure and health improvement across various human communities. berberis vulgaris is one of the medicinal plants used in iranian traditional medicine. berberis ...

The present study was conducted to investigate the factors affecting organizational commitment and the role of organizational justice in promoting it. Purposeful study is an applied research. The statistical population consisted of specialists working in petrochemical companies located in Pars Special Economic Region (Assaluyeh). The sample size was 260 according to the Cochran formula. The res...

in chapter one we will describe definitions and preliminary results to provide the global context of our own results to be presented in detail in the subsequent chapters in chapter two we consider degree-one maps of the circle and we study their rotation set. our main result in this chapter says that if the map is topologically mixing then its rotation interval is nontrivial (that is, not reduc...

Introduction: If managers want workers who go beyond expectations, willingly do acts which is not part of the official duties of their job, and generally have high organizational citizenship behavior, They should have fair treatment of employees in the workplace. Thus, this study aimed to examine the relationship between organizational justice and organizational citizenship behavior in staffs o...

Introduction: Equity in education is meant providing equal educational opportunities for students that often included the equality in professors' behaviors with their students. This form of justice can improve students' performance. So, considering the importance of educational equity and the its special position in medical education, this study was performed to investigate the situation of edu...