نتایج جستجو برای: 3642 citations were extracted from 547 articles published by the researchers applying bradford

تعداد نتایج: 17691994  

Due to medical researchers need for updated and valid scientific findings in their research area, it is important to evaluate medical journals. On the other hand, researchers are looking for prestigious journals to publish their articles in their field of activity. Because much of the medical journals in Iran published by Universities of Medical Sciences, this study aimed to evaluate Iranian Me...

The existing evidence highlights that the published articles by scholars of Muslim countries including Iran receive less citations compared with their comparable fellow scientists from countries with similar per capita income. The aim of the current article is to provide some techniques which can increase the visibility of the published articles. There is a strong likelihood that by increasing ...

Introduction: Retraction of articles occurs as a result of scientific misconducts or honest errors. The present study aimed to examine retracted articles on PubMed database written by Iranian authors in biomedicine. Methods: In this descriptive cross-sectional study, all retracted articles on PubMed database written by Iranian authors were retrieved using the following keywords; Iran [AD] AND ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده ادبیات و زبانهای خارجی 1393

rested on sociocultural theory (sct), this study attempted to examine the effect of written corrective feedback (wcf) followed by producing written languaging on developing writing accuracy over new tasks. to this aim, two intact iranian efl classes at the low-intermediate level were randomly assigned to two experimental groups: direct (n = 25) and indirect (n = 25). both groups wrote on a numb...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده علوم پایه 1388

introduction acetic acid bacteria are large group of obligate aerobic gram negative bacteria with the ability to oxidize ethanol to acetic acid (1). they are widely distributed in natural habitats and classified in family acetobacteraceae. members of this family are useful in industrial production of vinegar(2). acetic acid bacteria (aab) can use substrates as glucose, ethanol, lactate or glyc...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی مشهد - دانشکده دندانپزشکی 1390

objective: the objective of this study was to investigate the invitro fluoride release of four new self-adhesive resin cements; set (sdi, australia), breeze (pentron, usa), embrace wetbond (pulpdent, usa), g-cem (gc, japan) and to assess the bonding performance of these self-adhesive resin cements for bonding of orthodontic brackets. materials and methods: for fluoride release experiment, six ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم کشاورزی 1391

در این تحقیق، تنوع ژنتیکی جمعیت آرتمیا اورمیانا و آرتمیا فرانسیسکانا ی موجود در ایران با استفاده از 5 جفت آغازگر ریزماهواره ای (af-b105tail، af-a136، apdq03tail، apdq04tail و apdq05tail) ویژه ی آرتمیا فرانسیسکانا و آرتمیا پارتنوژنتیکا بررسی شد. از 50 سیست آرتمیا ی هر یک از این دو جمعیت به صورت انفرادی dna با روش گلوله ی داغ استخراج شد. با استفاده از آغازگر ها ی پنج گانه و از طریق واکنش زنجیره ا...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده مهندسی صنایع 1387

according to webster and wind (1972) and anderson et al (1987), “organizational buying is a complex process and involves many people from different functional areas, multiple goals and potentially conflicting decision criteria. moreover, the customers of today are also more knowledgeable and selective when making their purchasing decisions. since a key to organizational survival is the retentio...

Journal: :مدیریت اطلاعات سلامت 0
فرامرز سهیلی مربی، گروه کتابداری، دانشگاه پیام نور، تهران، ایران. فرشید دانش دانشجوی دکتری، کتابداری و اطلاع رسانی، دانشگاه فردوسی مشهد، مشهد، ایران فائزه مصری نژاد کارشناس ارشد،کتابداری و اطلاع رسانی، دانشگاه اصفهان، اصفهان، ایران علیرضا اسفندیاری مقدم استادیار، کتابداری و اطلاع رسانی، دانشگاه آزاد اسلامی واحد همدان، همدان، ایران

introduction: the articles indexed in accredited citation databases essentially indicate how scientists share knowledge and promote sustainable development in each country. therefore, according to citations to the papers of individuals, it could be possible to assess the rate of their acceptability in the scientific community. the main objective of this study was to review lotka's law of scient...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1388

based on the latest records of typhlops vermicularis merrem, 1820 from iran, this species is distributed in the northern and southern regions of the country. in this study, new records of typhlops vermicularis are presented and it is shown that distribution range of this species is extended towards the eastern and western iran, and according to the new distribution map, it can be assumed that t...

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