Cited half-life什么意思
WebDec 8, 2024 · Aggregate Cited Half Life: An indicator of the turnover rate for a body of work on a subject. "The aggregate citing half-life is calculated the same way as the journal citing half-life, and its significance is comparable. For a subject category, the citing half-life is the median age of articles cited by journal in the category in the JCR year. Web1.519. 0.924. Impact factors are generally calculated based on a three-year period. For example, the 2024 impact factor for a journal would be calculated as follows: 2024 Impact Factor = A / B. where A = number of times articles published in 2024-2024 were cited during 2024 and B = number of articles published in 2024-2024.
Cited half-life什么意思
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Web名词 “citation” 的动词形式是 “cite(引用)”。在引用某人的观点或作品的时候,我们可以直接在 “cite” 的后面加上作者的作品名称。比如:“I’m going to cite Shakespeare’s … WebNov 25, 2024 · 云尔SCI. 被引用半衰期(cited halflife). 是计算某一期刊所登的论文平均经过多长时间,仍然还会被引用。. 计算的方法是从当年往前累计,当年被引用的论文篇数达到全部的50%时,该篇论文的出版年到当年的间隔年数即为此期刊的被引用半衰期。. 半衰期的 …
WebJan 6, 2024 · This metric is based on the articles published by a journal over 5 calendar years. h is the largest number of articles that have each been cited h times. A journal with an h5-index of 43 has published, within a 5-year period, 43 articles that each have 43 or more citations. Journal Cited Half-Life WebDec 16, 2024 · Cited Half-Life: journal cited half-life is the median age of the articles that were cited in the JCR year. Half of a journal's cited articles were published more recently than the cited half-life. Only those journals cited 100 or more times in the JCR year have a cited half-life. A higher or lower cited half-life does not imply any particular ...
WebCited half-life: どれだけ長く引用され続けたか Eigen Factor: 影響力の強い雑誌に引用されているか Article Influence: 個々の文献の平均的な影響度 表示の方法は、2、3ページ参照。 インパクトファクターの推移 インパクトファクターは、引用された数÷論文数で求めら Web* Cited Half-life, età media delle citazioni ricevute - metà periodo. Per una data rivista, si calcola sommando il numero di anni di pubblicazione, a partire da quello in corso e andando a ritroso nel tempo, nei quali è stato registrato il 50% del totale delle citazioni ricevute da quella rivista nell'anno in corso. Se, ad esempio, nel 2009 ...
WebDec 18, 2013 · Measuring usage half-life–the median age of articles downloaded from a publisher’s website–just 3% of journals had half-lives shorter than 12 months. Nearly 17% of all journals had usage half-lives exceeding six years. While journal usage half-lives were typically shorter for journals in the Health Sciences (median half-life: 25-36 months ...
WebMar 7, 2024 · The total citations to the journal's 2015-2024 content makes up 19.12% of 2024 citations to the journal. When you reach the cumulative percentage mark of 50%, … chrysanthemum over winterWebNov 10, 2024 · 被引用半衰期 (Cited Half-Life) 旨在計算某一期刊所出版的論文平均經過多久時間,仍然會被引用。. 理論上是將統計資料庫所有收納的期刊論文在當年引用該期刊之 … derwin litchfield ctWebFeb 17, 2024 · For example, in JCR 2001 the journal Crystal Research and Technology has a cited half-life of 7.0. That means that articles published in Crystal Research and Technology between 1995-2001 (inclusive) account for 50% of all citations to articles from that journal in 2001. Only journals cited 100 or more times in the JCR year have a cited … derwin montgomery nchttp://cmte.ieee.org/tpwrd/wp-content/uploads/sites/107/2024/09/Definition.pdf chrysanthemum overwinteringWebWhat is Cited Half-life. 1. A measure developed by the Institute for Scientific Information (ISI) of the number of publication years from the current year which account for 50% of the current citations received by a journal (Reitz, 2004). Learn more in: Citation Based Indicators in Evaluation of Quality and Performance of Research and Researchers. derwin james open season lipstick alleyderwin james injury historyWebMar 23, 2024 · One format involves calculating a mass amount of the original isotope. Using the equation below, we can determine how much of the original isotope remains after a certain interval of time. how much mass remains = 1 2n(original mass) n is the number of half-lives. Example 5.7.1. chrysanthemum outline tattoo