Introduction: Physical and mental health are the most important indicators of development and prosperity of any society and  public libraries have a key role in disseminating  information. This study investigates the impact of the public libraries under the auspices cultural organization of Tehran Municipality on mental health of the users. Methods: This is a 2015 cross-sectional s...

one of the applications of nanotechnology is use of carbon nanotubes for the targeted delivery of drug molecules. to demonstrate the physical and chemical properties of biomolecules and identify new material of drug properties, the interaction of carbon nanotubes (cnts) with biomolecules is a subject of many investigations. cnts is a synthetic compound with extraordinary mechanical, thermal, el...

Purpose: In this article, the author critically discusses the defined functions which have been propounded for libraries till now. The most important of these functions are education and entertainment. Method: The present article is an opinion article in which the author provides some definitions in a particular subject based upon his academic experience. Findings: An analysis of library func...

the present study investigated the effect of the two vocabulary teaching techniques in est, namely the use of translation and the use of visual aids as two separate vocabulary teaching techniques. to answer the question of the study, a pretest (michigan test) was administered to the 58 randomly selected est students at khajeh nasiredin tusi university, faculty of mechanics. after the homogeneit...

previous studies have aimed at testing a hypothesis but the present study is data-first research in which researcher tries to form a theory from data rather than the use of data to test a hypothesis. this study aims at exploring teachers perceptions of the strengths and weaknesses of the current syllabus for college preparatory course. eight experienced teachers were selected to collect data du...