Background and purpose: Fast diagnosis of pneumococcal infections is of great importance in achieving successful outcomes. The aim of this study was to use PCR process based on capsular encoding genes of Streptococcus pneumonia. Materials and methods: In this experimental study, specific primers were designed based on the reference sequences of the Streptococcus pneumoniae cpsB, cpsD, aroE, an...

this research has been taken among the students of high school in karaj city during the years 1391 and 1392. this is a survey research and data gathering is through questionnaires. studying the “an analysis of students’ tendency toward non-native reference groups in karaj”. the questionnaire was distributed among 260 of these students who were chosen through multi step cluster sampling. conside...

     Application of wild type crops or wild relatives’ cultivars that are halophyte in plant breeding program would provide better results in order to develop cultivars that are resistant toward drought as well as salinity. Recently, Aeluropus littoralis has attracted the attention of researcher in order to identify novel genes and their regulatory elements that are involved in salinity stress....

abstract: the present study is an attempt to find out cultural exophoric references in iranian high-school elt textbooks and touch stone series to compare the frequency of occurrence of such references in these books. the purpose is to find out which of the series of the books under investigation impose a greater referential burden on efl learners as far as their reading comprehension of the ...