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 this study aimed at investigating the effect of bilingual teaching of cognate words (persian-english) on iranian upper intermediate efl learners’ knowledge of lexical development. for this purpose,100 subjects participated in this study out of which 40 learners were selected for this study and they were assigned into two groups, control and experimental. cross-language cognates (wor...

as some definitions show, idioms are expressions whose meanings cannot be obtained from individual words. in every society, people use their own conceptions and feelings through different idioms and expressions. so every culture and society has their own idioms. some scholars proposed methods for translating idioms but baker’s strategies are very important and constructive. this research tried ...

  Background and Aim: Quality of services in hospitals should be continuously evaluated in terms of structure, process, and outcome. The purpose of this study was to comparepatient satisfaction, physical space and medical equipment between governmental and privative hospitals in Qom, Iran.   Material and Method: In this descriptive-analytcal study, 500 patients from selected Qom hospitals were ...

     In all organization that medical services are offered , the fundamental of activity must be based on meeting the needs of the help seekers , so, these kind of institution should be evaluated continuously from the point of their abilities to provide the clients with proper services  So, in order to determine the satisfaction level of the patients and their accompanying ones, we performed a ...

in this investigation the effect of external field on the electron density of nanostructures of cds, cdse, cdte, gaas and polymeric structure of three, four, five and six units of cds as a kind of nanosolar cells has been studied theoretically. as modeling this system in nanodimension, molecular structures has used. specific properties of molecular structures permit us to consider different sym...