نتایج جستجو برای: were exposed to 125 μg l
تعداد نتایج: 10959093 فیلتر نتایج به سال:
the present study set out (a) to examine the categories of pedagogical knowledge related to the act of teaching of novice and experienced teachers as gleaned from their verbal report of what they were thinking about while teaching and (b) to compare the categories of pedagogical knowledge of novice and experienced teachers. the aim of comparing these two groups of teachers was to see whether di...
abstract listening is a key and main tool in second language skill and its development is of prime concern to teachers and learners. furthermore, the application of technology in language classrooms has become more commonplace in the last fifty years. computer and the internet have made foreign language materials easy to access and use. so, the present study is an attempt to examine the effec...
the present study was conducted to investigate the effect of implicit focus on form through input flooding and the effect of noticing, explicit focus on form on linguistic accuracy. to fulfill the purpose of the study, 86 iranian pre-intermediate efl learners of one of the language institutes were chosen by means of administering ket as the homogeneity test. these learners were pretested throug...
like any other learning activity, translation is a problem solving activity which involves executing parallel cognitive processes. the ability to think about these higher processes, plan, organize, monitor and evaluate the most influential executive cognitive processes is what flavell (1975) called “metacognition” which encompasses raising awareness of mental processes as well as using effectiv...
Here, we assess the physiological effects induced by environmental concentrations of pesticides in Pacific oyster Crassostrea gigas. Oysters were exposed for 14 d to trace levels of metconazole (0.2 and 2 μg/L), isoproturon (0.1 and 1 μg/L), or both in a mixture (0.2 and 0.1 μg/L, respectively). Exposure to trace levels of pesticides had no effect on the filtration rate, growth, and energy rese...
this study investigated the potential role of age in inductive and deductive grammar learning among iranian foreign language learners. the experimental population consisted of our randomly selected samples including two groups of children (with age of exposure to english within 8-13), and two groups of adults (with age of exposure to english within 11-13). thus, the comparison was between ch...
In vivo and in vitro exposures were used to investigate the genotoxicity of mercuric chloride (HgCl2) to the marine snail, Planaxis sulcatus. The comet assay protocol was validated on gill cells exposed in vitro to hydrogen peroxide (H2O2, 0-50 μM). Snails were exposed in vivo for 96 h to HgCl2 (10, 20, 50, and 100 μg/l). Our results showed significant concentration-dependent increase in the ta...
The maxiHary regions of day−125 and day−1351CR mouse fetuses were cultivated 重n a cheIpically −defined serumless medium by a suspension culture technique to examine the toxic effects of 5−fluorouraci1 (5−FU )and hydroxyurea(HU )on cultured palates and to compare the sensitivity of fetal mouse palates at different s ages of develop− ment . The palates of day−12.5 and day−135 fe...
this thesis attempts to investigate the effects of prelistening activities on enhancing iranian efl learners` listening comprehension. the present study investigated ways in which learners` background knowledge could be activated in order to enhance their l2 listening comprehension by limiting the number of possible text interpretations prior to listening. the experiments conducted in this stud...
The maxiHary regions of day−125 and day−1351CR mouse fetuses were cultivated 重n a cheIpically −defined serumless medium by a suspension culture technique to examine the toxic effects of 5−fluorouraci1 (5−FU )and hydroxyurea(HU )on cultured palates and to compare the sensitivity of fetal mouse palates at different s ages of develop− ment . The palates of day−12.5 and day−135 fe...
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