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...

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...

در این بررسی که طی سال های 1388-1387 در استان گلستان انجام گرفت در مجموع 20 گونه از کنه های آبزی (acari: hydracarina) متعلق به 13 جنس و نه خانواده جمع آوری شد که از این تعداد دو گونه اولین گزارش از ایران بود و سه گونه نیز برای دنیا جدیدند. به ترتیب با علامت (*) و (**) مشخص شده اند. اسامی گونه ها به ترتیب خانواده ها و جنس ها به شرح زیر است: arrenuridae thor, 1900 arrenurus cf. sinuator* (mul...

muhammad ibn muhammad ibn numan, known as "shaykh mufid," one of the great imamiye theologians and jurists in the fourth and early fifth century , had comprehensive mastery of both rational and traditional topics and exerted his influence upon both his contemporary and future scholors. he is considered to be one of the top imamiye scholars who spent his lifetime teaching, learning and authorin...

this research concentrates on the lithostratigraphy, biostratigraphy, microfacies and sedimentary environment of the asmari and gachsaran formations at southwest firuzabad. the thickness of the studied section in all 608.95 meters that 220.8 meters belong to the asmari formation and 387.95 meters belong to the gachsaran formation (champe and mol members). in the study area, the asmari formation...

until now many studies have been done over recent decades throughout the world to show the right age to start english. in iran, research is still at an early stage in terms of evaluating teachers’ beliefs about teaching children english. the problem of at what age to start teaching english and how to teach english to elementary school children has not been solved neither in this country nor els...

cml in breif cml is characterized by the proliferation of large numbers of immature wbc in the blood and bone marrow. in most of the patients , it is a clonal disorder in which all cell lines, express the philadelphia chromosome)q/22 translocation(it accounts for 20 of all leukemias and most cases occur over 25 yrs of age. the disease usually begins insidiously,but symptoms referable to anemia ...

the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...

بیماری پریودنتال زودرس ‏‎(early onset periodontitis)‎‏ یک گروه از پریودنتیتهای با پیشرفت سریع ‏‎(rapidly progressive periodontitis)‎‏ است که شامل بیماری پریودنتیت جوانان موضعی و منتشر ‏‎(generalized and localizid juvenile periodontitis)‎‏ و پریدنتیت قبل از بلوغ ‏‎(periodontitis prepubertal) می باشد.نظریات مختلفی در رابطه با اتیولوژی این بیماری ذکر شده است که به استناد مدارک موجود اتیولوژی میکرو...