نتایج جستجو برای: periodicals

تعداد نتایج: 25708  

Journal: :تحقیقات کتابداری و اطلاع رسانی دانشگاهی 0
فاطمه تصویری قمصری محمدرضا جهان‏نما

purpose: using citation analysis of articles published by researchers of the engineering research institute (1991-2005), the current papers examines information seeking behavior of researchers. . methodology: for this reason, 3642 citations were extracted from 547 articles published by the researchers applying bradford's law of scattering to the cited periodicals, the most used periodicals...

Journal: :The Yale Journal of Biology and Medicine 1954
Henrietta T. Perkins

building which the Admiralty acknowledged: "Though science is much respected by their Lordships and your paper is much esteemed, it is too learned." Young was also appointed as Superintendent of the Nautical Almanac and Secretary of the Board of Longitude. In this he was unable to satisfy the demands both of the navigators and of the astronomers, incurring the displeasure of both. A bibliograph...

Journal: :Science and Education a New Dimension 2020

حاجی ترخانی, امیرحسن,

Remaining informed on the latest biochemical information is a necessity as well as a professional responsibility for any person involved in the field of medicine. The main and most readily available sources for updating the professional's knowledge are medical journals. In addition to foreign periodicals, there are a number of useful medical journals published in Iran. The first Persian languag...

Journal: :مدیریت اطلاعات سلامت 0
رسول سعادت کارشناس ارشد، گروه کتابداری و اطلاع رسانی، پژوهشگاه علوم و فرهنگ اسلامی، قم، ایران احمد شعبانی دانشیار، گروه کتابداری و اطلاع رسانی، دانشگاه اصفهان، اصفهان، ایران. عاصفه عاصمی استادیار، گروه کتابداری و اطلاع رسانی، دانشگاه اصفهان، اصفهان، ایران.

introduction: in order to cope with the crisis of serials cost and problems associated with the shortage of budget in libraries and facilitating the access to scientific journals, the principle of open access to scientific publications and usually in the form of electronic journals has evolved during the last 15 years. this research aimed to clarifying the amount of citations of isi web of scie...

Journal: :The Library 2017

Journal: :مدیریت اطلاعات سلامت 0
هیوا عبدخدا دانشجوی دکتری، مدیریت اطلاعات سلامت، مرکز رشد استعدادهای درخشان دانشگاهی دانشگاه علوم پزشکی تهران، تهران، ایران. علیرضا نوروزی استادیار، کتابداری و اطلاع رسانی، دانشگاه تهران، تهران، ایران

introduction: self-citation is considered as one of the greatest shortcomings of citation analysis. although self-citation is natural for journals, its excessive use would eliminate the journal from evaluations made by databases. this study examined the rate of self-citation of iranian scientific medical journals in english indexed in scopus citation index during 2005-2009. methods: this descri...

Journal: :مدیریت اطلاعات سلامت 0
علیرضا نوروزی استادیار، کتابداری و اطلاع‏رسانی، دانشگاه تهران، تهران، ایران هیوا عبدخدا دانشجوی دکتری، مدیریت اطلاعات بهداشتی و درمانی، دانشگاه علوم پزشکی تهران، تهران، ایران

since increasing the number of indexing and abstracting services covering a journal would increase the total citations received by the journal, this study tried to investigate the reasons why iranian journals are not indexed by foreign databases including isi web of science and scopus. this was a descriptive and interpretative study resulting in guidelines for iranian editors and authors. it al...

Journal: :ANZTLA EJournal 2019

Journal: :Notes and records of the Royal Society of London 2015
Aileen Fyfe Julie McDougall-Waters Noah Moxham

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