نتایج جستجو برای: iran in 2009
تعداد نتایج: 17006147 فیلتر نتایج به سال:
BACKGROUND & OBJECTIVES Taxonomic status of Culex pipiens is well-known as many years with such a wide variety of morphological and biological characteristics. These changes have been the subject of extensive investigation by many researchers. There are a little information about the morphology and molecular data of Cx. pipiens complex in Iran. The taxonomic status of the complex is very import...
BACKGROUND Esophagus cancer (EC) is among the five most common cancers in both sexes in Iran, with an incidence rate well above world average. Social rank (SR) of individuals and regions are well-known independent predictors of EC incidence. The aim of current study was to assess gender and social disparities in EC incidence across Iran's provinces through 2003-2009. MATERIALS AND METHODS Dat...
there are two major theories of measurement in psychometrics: classical test theory (ctt) and item-response theory (irt). despite its widespread and long use, ctt has a number of shortcomings, which make it problematic to be used for practical and theoretical purposes. irt tries to solve these shortcomings, and provide better and more dependable answers. one of the applications of irt is the as...
abstract this study examined the relationship between noticing pronunciation and the improvement pronunciation by administering a 50 item story, as proficiency- test in order to investigate the effectiveness of noticing pronunciation on the improvement of pronunciation. accordingly 60 qualified students were selected and assigned to the two groups of experimental and control randomly, each gr...
1747 Received December 21, 2009; revised May 6 & July 14, 2010; accepted August 11, 2010. Communicated by Ren-Hung Hwang. * This work was partially supported by Iran Telecommunication Research Center (ITRC), and parts of this paper have been presented at the 8th IEEE International Conference on Computer and Information Technology, July 2008, Sydney, Australia [1]. Short Paper___________________...
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