کوکسیدیوز بیماری انگلی ناشی از یک انگل تک یاخته ای از جنس ایمریا است (larry et al., 2008)، که با آسیب رساندن به بافت روده، دریافت غذا و جذب مواد غذایی را کاهش داده و همچنین احتمال ابتلا به عفونت های ثانویه را افزایش می دهد (morris et al., 2007; cooper and songer, 2009). این بیماری مهم ترین و متداول ترین بیماری انگلی طیور صنعتی در سراسر جهان بوده که خسارات اقتصادی آن در مزارع پرورش طیور دائمی اس...

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...

this study investigates the effect of teacher’s repetition as an input enhancement technique in explicit teaching of vocabulary items on efl learners’ later retrieval. to this end, 66 persian speaking english learners, aged 18 - 29, homogenized through a standard proficiency test (opt), were chosen and put into two experimental and control groups, each 33 learners. general service list (gsl), a...

learning-oriented assessment seeks to emphasise that a fundamental purpose of assessment should be to promote learning. it mirrors formative assessment and assessment for learning processes. it can be defined as actions undertaken by teachers and / or students, which provide feedback for the improvement of teaching and learning. it also contrasts with equally important measurement-focused appro...

بررسی فونستیک کنه¬های پیش¬استیگما prostigmata)) باغ¬های زیتون استان گیلان طی سال¬های 1392-1391 انجام شد. کنه¬ها از نمونه¬های اندام¬های گیاهی، خاک و علف¬های هرز جداسازی شدند. سپس کنه¬ها به¬وسیله محلول نسبیت شفاف¬ و در محیط هویر از آن¬ها اسلاید میکروسکوپی تهیه شد. در مجموع، 28 گونه متعلق به 21 جنس و 14 خانواده شناسایی شدند. از این میان 5 جنس و 10 گونه برای استان گیلان و 1 گونه برای دنیا جدید می¬ب...

abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...

the purpose of this study was to examine the english language needs of medical students at tehran university of medical sciences . analysis of the needs took place for three groups: 320 undergraduate students, 30 postgraduate students and 20 university instructors. a triangulation approach to collect data was used in which a combination of the quantitative (using the questionnaires) and qualita...

to discuss my point, i have collected quite a number of articles, anthologies, and books about "wuthering heights" applying various ideas and theories to this fantastic story. hence, i have come to believe that gadamer and jauss are rightful when they claim that "the individaul human mind is the center and origin of all meaning," 3 that reading literature is a reader-oriented activity, that it ...

learning a second or foreign language requires the manipulation of four main skills, namely, listening, reading, speaking, and writing which lead to effective communication. it is obvious that vocabulary is an indispensible part of any communication, so without a vocabulary, no meaningful communication can take place and meaningful communication relies heavily on vocabulary. one fundamental fac...

as the canon is shaped by white male standards rewriting the canonical works of literature is one of the ways through which postcolonial writers subvert the authority of the masters. writing in the language of the masters the colonized writers use the very suppressive tool in the hands of the masters i.e. their language to question the validity of their norms. regarded by most critics to be the...