نتایج جستجو برای: r ational use of drugs
تعداد نتایج: 21281248 فیلتر نتایج به سال:
a new method was developed for the spectral resolution by further determination of three- and four-component mixtures of drugs in urine samples through the complementary application of multivariate curve resolution-alternating least squares with correlation constraint. in the current study, a simple method was proposed to construct a calibration set for the mixture of drugs in the presenc...
the study reflected in this thesis aims at finding out relationships between critical thinking (ct), and the reading sections of tofel and ielts tests. the study tries to find any relationships between the ct ability of students and their performance on reading tests of tofel and academic ielts. however, no research has ever been conducted to investigate the relationship between ct and the read...
learning a second or foreign language requires the manipulation of four main skills, namely, listening, reading, speaking, and writing which lead to effective communication. it is obvious that vocabulary is an indispensible part of any communication, so without a vocabulary, no meaningful communication can take place and meaningful communication relies heavily on vocabulary. one fundamental fac...
Fi rms in the LDCs need to adopt and indige n i ze tra n s fe rred tech n o l ogy befo re u s age. The adoption costs depend on the state of the infra s t ru c t u re and on the l o c a l i zed spillover effects ge n e rated by a rival fi rm. In this context, the pap e r examines the timing of such technological adoption. It shows that strategic decisions regarding time may result in a “waiting...
this study purported to compare and contrast the use of self-mention and evidentials as two mtadiscourse features in opinion columns of persian and english newspapers. the theoretical basis of this study is the idea that metadiscourse features vary across cultural boundaries. for this purpose, 150 persian and 150 english opinion columns were collected based on three factors of topic, audience a...
recent years have witnessed an increased attention to form focused instruction and consciousness raising activities (ellis, 2002; doughty & williams, 1998) on the one hand and extensive and meaningful exposure to the target language (klapper & rees, 2003; day & bamford, 1998) on the other. due to significance attributed to above mentioned issues by scholars, this study attempted to bridge them ...
this study investigated the effects of planning on second-language written production with regard to task type. the participants were 75 iranian learners of english as a foreign language attending a private foreign language institution. they were asked to complete two different types of writing tasks (expository writing task and argumentative writing task) in different planned conditions (indiv...
the purpose of this study was to investigate the relationship between teachers’ class management practices with students’ self- regulated learning and academic self-efficacy. in this study relating to the management class, three dimensions, (training management, people management and behavior management) and three style (interventionist, interactionist and non-interventionist) was considered. r...
چکیده ندارد.
Introduction: This study was aimed to determine the prevalence of drug use among College Students of Ministry of Sceince, Research and Technology in Iran. Method: Seven thousands, three hundred and thirty student in academic year 2011-2012 were selected by random stratified sampling method from thirty Universities In Iran, considering their sex and level of education. We used Drug Use Preval...
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