the poor orientation of the restaurants toward the information technology has yet many unsolved issues in regards to the customers. one of these problems which lead the appeal list of later, and have a negative impact on the prestige of the restaurant is the case when the later does not respond on time to the customers’ needs, and which causes their dissatisfaction. this issue is really sensiti...

Background and purpose: Lead is a toxic heavy metal that is considered major environmental contaminants and all its compounds are important in terms of toxicity in humans. So, the aim of this study was to _____the efficiency survey of pumice powder to lead removal from the aquatic environment. Material and Methods: In the beginning of this study, the powdered form of pumice was prepared, then ...

Lead (Pb2+) Removal from Synthetic Aqueous Solution Using Food Waste Ash AfsharniaM (Ph.D)1, Shams M (M.Sc)2, Sajjadi SA (Ph.D)1, Qasemi  M (M.Sc)3 1. Assistant Professor, Department of Environmental Health Engineering, ,Gonabad University of Medical Sciences, Gonabad, Iran. 2. Instructor, Department of Environmental Health Engineering, Gonabad University of Medical Scienc...

in this study, the relationship between teachers’ creative and critical thinking skills and their reflectivity in teaching was investigated. to this end, three questions were raised. these questions were intended to determine whether there was a significant relationship between teachers’ creative thinking skills and their reflectivity in teaching; whether there was a significant relationship be...

august wilson is undoubtedly one of the rare black playwrights whose works have attracted streams of attention and worldwide audience. the present study aims at analyzing fences and piano lesson which are two of the most successful plays in his pittsburgh cycle from the perspective of michel foucault’s theories and ideas. studying these two plays from foucault’s perspective opens new windows in...