نتایج جستجو برای: iran in 2009
تعداد نتایج: 17006147 فیلتر نتایج به سال:
the history of plant’s used for mankind is as old as the start of humankind. initially, people used plants for their nutritional proposes but after the discovery of medicinal properties, this natural ?ora became a useful source of disease cure and health improvement across various human communities. berberis vulgaris is one of the medicinal plants used in iranian traditional medicine. berberis ...
Cancer is the third most common cause of death following cardiovascular disease and accident (Mohebbi et al., 2008; Moradpour and Fatemi, 2013) and gastrointestinal (GI) cancers are the most frequent cancers among males and second to females’ breast cancer in Iran (Mohebbi et al., 2011). The epidemiological characteristic of upper GI cancer has markedly changed over recent decades so that oesop...
b a ckground : scorpion sting is a major health problem in iran. the aim of current study was to measure the inci- dence rates of scorpion stings, mortality, recovery, and affected age groups. the results of treatment with and with out anti venom also were considered in the entire country during 2009 . m e t hods: all the data were collected from emergency section of different hospitals and the...
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...
the present dissertation aims to investigate four-word lexical bundles in applied linguistics research articles by iranian and internationally-published writers. the aims of this study are two-fold: first of all, attempts have been made to create a comprehensive list of the most commonly used four-word lexical bundles categorized by their type and token frequency, their structural characteristi...
Kun Guo, Daniel J. Hassett, and Tingyue Gu National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China Department of Molecular Genetics, Biochemistry and Microbiology, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA Department of Chemical and Biomolecular Engineering, Ohio U...
the debate whether esp teachers need to have knowledge of the specialized field they are teaching has been an issue in the literature over the last two decades. the aim of conducting this study was to explore iranian learners’ and instructors’ beliefs and attitudes concerning the role of specialized knowledge in teaching esp classes. a seventeen item questionnaire was administered to 400 esp le...
International Journal of Molecular Sciences ISSN 1422-0067 www.mdpi.com/journal/ijms Correction Correction: Vatani, A., et al. Prediction of Standard Enthalpy of Formation by a QSPR Model. Int. J. Mol. Sci. 2007, 8, 407-432. Ali Vatani, Mehdi Mehrpooya * and Farhad Gharagheizi Department of Chemical Engineering, Faculty of Engineering, University of Tehran, P.O.Box: 113654563, Tehran, Iran * Au...
for several years, researchers in familiarity of efl teachers with post-method and its role in second and foreign language learners’ productions have pointed out that the opportunity to plan for a task generally develops language learners’ development (ellis, 2005). it is important to mention that the critical varies in language teaching was shown is the disappearances of the concept of method ...
there is less published research about how teachers in efl contexts respond to students who are relatively less mature and less competent l2 writers. while writing researchers have examined various issues concerning peer and teacher response in writing-oriented classes, little research has centered on the effect of collaborative tasks particularly dictogloss on writing skills. output collaborat...
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