objective: to determine the reliability and validity of the revised dyadic adjustment scale (rdas) with 14 items (short form) in iranian population. methods:the english version of the rdas was translated into persian. then, persian version was retranslated to english. to study factor structure 338 questionnaires were filled out by parents of elementary students. other measurement tools were the...

A mathematical model describing the dynamics  of a  delayed  stage structure prey - predator  system  with  prey  refuge  is  considered.  The  existence,  uniqueness  and bounded- ness  of  the  solution  are  discussed.    All  the  feasibl e  equilibrium  points  are determined.  The   stability  analysis  of  them  are  investigated.  By  employ ing  the time delay as the bifurcation parame...

the aim of this study was predict organizational citizenship behavior prevalence based on the staff perception of type of organizational structure in fars regional electric and power distribution companies (frepdc). statistical population consisted of the entire staff of fars regional electric and power distribution companies amongst 232 participants selected using random classification method....

Urtica dioica L. is an Iranian native pharmacological plant for which little attention has been paid to the anatomical structure. Medical applications of this plant include diabetes therapy, digestive improvement, anemia and kidney disease therapy. Because climatic conditions can affect the anatomical structure which in turn affects pharmacological compositions, research on the anatomy of this ...

Monthly length frequency data of banana shrimp, Penaeus merguiensis were collected from the coastal waters of North east Persian Gulf, from January 2012 to January 2013. Software package FiSAT was used to analyze the length frequency data. Growth parameters, mortalities, exploitation rate and recruitment pattern were estimated from the carapace length in the area. Based on length – weight relat...