تأثیر پروبیوتیک­های pediococcus acidilactici و lactococcus lactis بر نرخ بازماندگی و برخی فاکتورهای ایمنیمیگوی وانامی(l. vannamei) در یک دوره­ی پرورش 3 ماهه ارزیابی گردید. تیمارها شامل تیمار شاهد، تیمار پدیوکوکوس و تیمار لاکتوکوکوس بود که پروبیوتیک­ها در تیمارهای پروبیوتیکی، با دوز 10 به توان 9 در جیره غذایی استفاده شد. . نتایج نشان داد که استفاده از پروبیوتیک­ها باعث افزایش نرخ بازماندگی گردید...

abstract the variables affecting the nature of reading comprehension can be classified into two general categories: reader’s variables, and text variables (alderson, 2000). despite the wave of research on vocabulary knowledge as reader’s variable, the role of this knowledge in c-test as a text-dependent test and its interaction with lexical cohesion of the test as a text feature has remained a...

the present study aimed at exploring cognitions of iranian english teachers within the context of english for academic purposes (eap). to this end, the cognitions of two groups of eap teachers with respect to their pedagogical content knowledge (pck) and their sense of professional identity (pi) were probed. two language teachers and two content instructors who had at least five years of eap te...

the following question poped up: is there any relationship between iranian high school efl learners reading comprehension and listening comprehension? then the following null hypothesis (ho) was developed to the test the above, mentioned question. "there is no relationship between high school efl learners reading comprehension and listening comprehension. for nearly 16 weeks, the experimental g...

abstract: the present study was undertaken to investigate whether 1) there is any significant correlation between iranian efl/eap learners’ l2 writing proficiency and their willingness to communicate, 2) there is any significant difference between efl and eap learners in terms of willingness to communicate, 3) there is any significant difference in wtc of iranian efl/eap learners with 1- nati...