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this study attempted to explore if teaching english collocations through two different modes of awareness-raising and input flooding has any possible differential effect on immediate retention as well as retention in a delayed assessment. it also compared the possible differential effect of teaching english collocations implicitly and explicitly on actively using the items in writing. m...
This report contains details of over 100 Algol 60 test programs available from NPL which can be used to validate a compiler. Interpreting the results of the tests requires a good knowledge of Algol 60.
introduction: on the basis of percent depth dose (pdd) calculation, the application of dosimetry in radiotherapy has an important role to play in reducing the chance of tumor recurrence. the aim of this study is to introduce a new formula for calculating the centeral axis percent depth doses of cobalt-60 beam. materials and methods: in the present study, based on ...
mycetoma is a chronic and pustular infection usually involves foot. mycetoma in iran is not common and most cases have been reported from the south and north of iran. the objective of present study was to review the mycetoma and the distribution of its etiologic agents in iran. moreover, a 60-year-old woman with actinomycetoma lesions in her left foot was presented. direct smear of the grains s...
the extent to which written corrective feedback on linguistic errors can play a role in helping l2 writers improve the accuracy of their writing continues to be an issue of interest to researchers and teachers since truscott (1996) mounted a case for its abolition. while there is growing empirical evidence that written corrective feedback can successfully target some types of linguistic error (...
abstract the present study was conducted to investigate the effectiveness of a rather newly developed method in language teaching that is the use of paragraph reading task and whole reading task and their effects on improving efl learner’s speaking ability. to fulfill the purpose of the study, first 90 participants studying their course at sa eedi high school in tehran were chosen by means of ...
The interaction of the chaperonin GroEL14 with its cochaperonin GroES7 is dynamic, involving stable, asymmetric 1:1 complexes (GroES7.GroEL7-GroEL7) and transient, metastable symmetric 2:1 complexes [GroES7.GroEL7-GroEL7.GroES7]. The transient formation of a 2:1 complex permits exchange of free GroES7 for GroES7 bound in the stable 1:1 complex. Electrophoresis in the presence of ADP was used to...
since the 1960s the age effects on learning both first and second language have been explored by many linguists and applied linguists (e.g lennerberg, 1967; schachter, 1996; long, 1990) and the existence of critical period for language acquisition was found to be a common ground of all these studies. in spite of some common findings, some issues about the impacts of age on acquiring a second or...
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