It is essential to know the values ​​and characteristics of the national culture of each country, since it plays an important role in the development and perpetuation of the country`s identity. In this respect, Iran, too, has certain aspects of public and national culture resulting from the nation's historical experience in facing with its political events and phenomena. The culture that bring ...

nowadays, the development of anti cancer drugs is an important subject in pharmacology. bisphosphonates (b.p) are a great choice for design and production of the types of drugs which not only could perform as anti cancer agents but also could inhibit the function of acetyl cholinesterase (ache). ache hydrolyzes the acetylcholine (which is a neurotransmitter in nervous system) using the oh in i...

recent studies in scientific education as well as foreign and second language instruction suggest that thinking has rarely been an integral part of education and training in classroom. some scholars decried the lack of emphasis on thinking in the institutes and schools. they noted that memorization and drills were rewarded,while inquiry, reflection, and consideration of alternatives were frowne...

this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...

Purpose: The purpose of present research is to analyze theories proposed for social functions of communication media including public libraries. Also, it aims to explain and generalize a theory best coordinated with public libraries. In current analysis, public libraries have been explained regarding their position and functions as communication media. Methodology: Using meta-analysis method, ...

the methods which are used to analyze microstrip antennas, are divited into three categories: empirical methods, semi-empirical methods and full-wave analysis. empirical and semi-empirical methods are generally based on some fundamental simplifying assumptions about quality of surface current distribution and substrate thickness. thses simplificatioms cause low accuracy in field evaluation. ful...

abstract i the purpose of this study was to launch a thorough investigation concerning the possibility of differing orientations to the writing proficiency construct by native and non-native english speaking teacher raters. it mainly revolved around the international english language testing system (ielts) that is widely administered and employed as a measure of general proficiency in englis...

Purpose: To investigate the scientific collaborations (for the papers indexed in ISI web of knowledge) among researchers from type-1 universities of medical sciences during 2004-2008, the present study was conducted. Methodology: Webometrics based upon the co-authorship index was used. The population under study included the Tehran, Shahid Beheshti, Iran, Shiraz, Isfahan, Mashhad, Tabriz, Jond...