And in the ’60s we invented the journal “impact factor.” After using journal statistical data in-house to compile the Science Citation Index (SCI) for many years, Clarivate Analytics began to publish Journal Citation Reports (JCR) 3 in 1975 as part of the SCI and the Social Sciences Citation Index (SSCI) . Rank Journal Title Impact Factor Total Cites 1 Nature Reviews Neuroscience 33.162 43,107 2 Nature Neuroscience 21.126 63,390 3 Acta Neuropathologica 18.174 20,206 4 Behavioral and Brain Sciences 17.194 9,377 5 [5][6] It was first published in 1880, is currently circulated weekly and has a subscriber base of around 130,000. Impact Factor: 3.647 ℹ Impact Factor: 2019: 3.647 The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. Year Bioxbio Journal Impact* IF Total Articles Total Cites 2019/2020-41.845 774 699842 2018-41.037 799 680994 2017-41.058 769 International Journal of Clinical Oncology (Springer) 2017 Impact Factor 2.610 Cancer Science (Wilely) 免疫学 Nature Immunology 2-year Impact Factor: 21.809 (About) Immunity (Cell Press) IF:19.734 (bioxbio.com) 5.511 Journal Citation Reportsの分野リストで調べる UROLOGY & NEPHROLOGYのジャーナルリストが表示されます。初期設定ではImpact Factor 順になっています。Full Journal Titleをクリックすると、ジャーナルのアルファベット 順になります。 Search Engine for checking Journal Impact Factor. Journal title Impact factor 5-yr impact factor Chemical Science 9.346 8.945 ChemComm 5.996 5.818 Chem Soc Rev 42.846 45.907 RSC Advances 3.119 3.098 NJC (New Journal of Chemistry) 3.288 3.153 Chemistry Education We invite you to explore our latest journal metrics, including the newly released 2019 impact factors, and to read some of the most influential articles in your field. Journal 2019 Impact Factor Biopolymers 1.854 Journal of Applied Polymer Science 2.520 Journal of Polymer Science Part A 2.930 Journal of Polymer Science Part B 2.489 Macromolecular Bioscience 3.416 2.335 3.853 4.886 Impact Factorは、Urology & Nephrology 78誌中、中央値（こ の場合は39番目と40番目の平均値）が1.751という意味です。従って4.360 は、上位50% 以内の高さを示しています。Median Impact Factor: 分野の雑誌をインパクトファクター This measure provides a ratio of citations to a journal in a given year to the citable items in the prior two years. Science Publishing Group 1 Rockefeller Plaza, 10th and 11th Floors, New York, NY 10020 U.S.A. Tel: (001)347-983-5186 It contains over 12000 Journals. You can check Impact Factor of Journals, ISSN, number of citations, publisher, ranking and other important details of more than 15000 journals and conferences from over 4,000 * 2017 Journal Impact Factor was established by dividing the number of articles published in 2015 and 2016 with the number of times they are cited in 2017 based on Google Scholar Citation Index database. ISSN: 0036-8075. その中で最大規模のScientific Journal Impact Factor は、1誌あたり$50を出版社から徴収し、実に18,000誌以上を収録しているそうです。他のデータベースも、”Global Impact Factor” のように本物のインパクトファクターと似通った名前を使う Advanced Science Impact Factor 2018-2019 The impact factor (IF) 2018 of Advanced Science is 13.98 , which is computed in 2019 as per it's definition. The 2020 Edition of the Journal Citation Reports® (JCR) published by Clarivate Analytics provides a combination of impact and influence metrics from 2019 Web of Science source data. By Michael Price Sep. 18, 2013 Read the Latest Issue of Science 18 December 2020 Vol 370, Issue 6523 … 100% scientists expect ASM Science Journal Journal Impact 2019-20 will be in the range of 5.0 ~ 7.5. Journal Impact Factor 各年のインパクトファクター；IF。 5 Year Impact Factor 通常IFは、直前の過去2年間の論文の引用回数を元に算出しています。そこを更に遡り、5年間の論文の引用回数を元に算出しているのが、5年インパクト

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