نتایج جستجو برای: r ational use of drugs

تعداد نتایج: 21281248  

Journal: :analytical and bioanalytical chemistry research 0
abdolhossein naseri department of analytical chemistry, faculty of chemistry, university of tabriz, tabriz 51644-14766, iran bahar ghasemzadeh department of analytical chemistry, faculty of chemistry, university of tabriz, tabriz 51644-14766, iran saheleh sheykhizadeh department of analytical chemistry, faculty of chemistry, university of tabriz, tabriz 51644-14766, iran

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1387

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1390

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...

1997
PINAKI BOSE DIPANKAR PURKAYASTHA

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ادبیات و علوم انسانی 1389

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده ادبیات، زبانهای خارجی و تاریخ 1389

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 ...

پایان نامه :دانشگاه تربیت معلم - سبزوار - دانشکده ادبیات و زبانهای خارجی 1390

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده علوم تربیتی و روانشناسی 1393

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...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده زبانهای خارجی 1385

چکیده ندارد.

ژورنال: اعتیاد پژوهی 2015

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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