نتایج جستجو برای: as a major source
تعداد نتایج: 14076120 فیلتر نتایج به سال:
the quest for power has formed much of the world history especially in 20th and 21st centuries. oil (energy) particularly after industrial revolution has been a tool for conquest and power and has been transformed to a geopolitical issue. from a geopolitical point of view this has been the case for the last two centuries in central asia and caucasus. central asia and caucasus has always been...
“any science seeks generalities; the aim is to transcend knowledge of particular cases by discovering general regularities or laws” (chesterman, 2001, p. 1). these were the words of chesterman whose paper has served as a typical example of numerous papers carried out on ‘translation universals’ since the mid-nineties. blum-kulka (1986) is among translation studies scholars who proposed ‘explici...
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...
cryptosporidium is a protozoan parasite that infects epithelial cells of the intestine in a wide variety of vertebrates. during the last decade, cryptosporidiosis has emerged as a cause of diarrhea in man. most of the' patients have aids, and have had contact with infected animals. in this study ' 510 samples were collected from sheep and examined for detection of this parasite. the r...
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...
ehsan noroozizadeh was born in dezful/khoozestan, iran. he received his b.s. in pure chemistry (2011) and m.s. in organic chemistry (2013) from bu-ali sina university, iran. he is currently working towards his ph.d. under the supervision of professor mohammad ali zolfigol. his research interest is catalysis, including the application of homogeneous and heterogeneous catalysis in organic synthesis.
the skill of reading in english as a foreign language is an important and challenging one which is affected both by linguistic and extra linguistic factors. since vocabularies are part and parcel of every reading comprehension text, knowing enough vocabulary always facilitates this process. however, guessing strategy as one of the most important strategies has consistently ignored by language l...
abstract in first part of this project, the use of a new and biguanid-like catalyst supported on silica as a recyclable catalyst provides a new route for the synthesis of a variety of arylalkylidene rhodanine derivatives through knoevenagle reaction in at present of solvent at room temperature. rhodanine derivatives and especially arylalkylidene rhodanines have proven to be attractive compound...
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