this study was designed to investigate the impacts of teachers self-disclosure on students foreign language classroom anxiety, attitude to english language learning and their achievement scores at the end of the term. there were 48 female learners of intermediate level. they were not randomly selected. there were one experimental group with 21 students and one control group with 27 students.the...

charles dickens was a voracious reader even in his childhood. his early reading of seventeenth- and eighteenth-century picaresque fiction greatly influenced his writing style. his first novel, the pickwick papers, is a tale of rogues and swindlers, adventures and quests, satire and comedy, and innocence and experience. oliver twist, dickens’ second novel, is a young boy’s progress through a cor...

hydrochlorothiazide (hct) is a diuretic agent which is shown to be effective in the treatment of hypertension. literature reports have demonstrated that urinary excretion data may be used to assess the bioavailability of various formulations containing this thiazide. also hct consumption by the athletes is one of the drugs which should be regulated by world anti-doping agency (wada), because of...

نوروزک(salvia leriifolia benth.) بومی استان خراسان رضوی و سمنان و گیاهی در معرض خطر انقراض می باشد. در سال های اخیرخواص دارویی متعددی مثل اثرات ضد میکروب و ضد قارچ ، ضد دیابت ،ضد درد و ضد التهاب از این گیاه گزارش شده است. مشتقات کافئیک اسید بخش مهمی از ترکیبات محلول در آب در جنس salvia هستند که خواص دارویی دارند. این پژوهش به منظور شناسایی اسید های فنولیک در گیاه نوروزک و تولید آن ها در محیط در...

Abiotic stresses such as drought, salt, high temperature, chemical toxicity and oxidative stress are considered serious to agriculture and adversely affect the growth and reproduction of crops. Production of transgenic rice was studied utilizing Agrobacterium-mediated strain EHA105 and   p6-ubi vector. This vector contains spectinomycin resistance gene as bacterial selectable marker, hygromycin...

in the present work, a simple and sensitive method was developed for determination of morphine and heroin using gold nanoparticles as resonance rayleigh scattering (rrs) and colorimetric technique’s probe. synthesized gold nanoparticles by sodium citrate reduction method have a negative charge layer on their surfaces because of self-assembled citrate anions on their surface. binding of morphin...

‏‎despite the different criticisms on contrastive analysis it has been proved that the results of it(when processed) can be useful in a tefl environment, specially at the level of phonology.this study is an attempt to compare and contrast the sound systems of kurdish and english for pedagogical aims.the consonants,vowels,stress and intonation of the two languages are described by the same model...

in the past couple of decades sociocultural theory of sla and its implications in efl contexts have attracted attentions of research circles worldwide and aroused some controversies. firth and wagner (1997) have questioned the principles of the cognitive view which gives importance to mental constructs in favor of sociocultural view which highlights social and contextual constructs. but if soci...

in this thesis, first the notion of weak mutual associativity (w.m.a.) and the necessary and sufficient condition for a $(l,gamma)$-associated hypersemigroup $(h, ast)$ derived from some family of $lesssim$-preordered semigroups to be a hypergroup, are given. second, by proving the fact that the concrete categories, semihypergroups and hypergroups have not free objects we will introduce t...