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Cited half-life什么意思

WebThe cited half-life means that half of the articles cited within the year are older than the score in number of years, and half are younger. Example: a Cited Half-Life of 8 in 2024 means that half the journal’s articles cited in 2024 were published in or prior to eight years ago, and half were published within eight years of 2024. WebJan 27, 2016 · 6. Without further ado. 这句在YouTube视频里经常听到,那些YouTubers在视频开头往往先介绍这个视频是干什么的,再顺便扯几句近期生活,然后在切入正题之前,有时会用这么一句"Without further ado, let's get started."这句话的意思就类似于“废话少说,让我们开始吧。. ”. Ado ...

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WebIt has a half-life of about 41/2 billion years . 它的半衰期大约为45亿年。 The half-life of francium is 22 minutes . 钫的半衰期是22分钟。 Evolutionists have recently learned that … Web被引用半衰期 (Cited Half-life) 是确定被引用期刊的年龄基准,表征的是一份期刊从当前年度向前推算引用数占截止当前年度被引用期刊的总引用数50%的年数。. 简单说就是指期刊达到50%被引用率所需要的时间,这个指标可以衡量期刊老化速度快慢的程度。. 被引 ... derwin long insurance agency https://uptimesg.com

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WebCited Half-life(被引用半減期): 引用された雑誌がその年に受けた総被引用回数を年度別に遡って、その累計百分比が50%にあたる年に至るまでを算出します。 引用論文の新しさの割合、文献が引用され続ける期間の尺度、いわゆる文献の寿命を表わすものです。 WebAug 5, 2024 · The product of the cited half-life and the impact factor was used for further ranking. Journal half-life is the number of journal publication years, going back from the … WebSep 2, 2024 · SCI刊物还分为影响因子高区(大于1.105)、中区 (在1.105和0.422之间)和低区(小于0.422)3类。. 衡量期刊特性的,除了影响因子外,还有及时指数(Immediacy Index)和被引用半衰期(Cited Half Life)。. 及时指数 是指一种期刊当年发表的文献在当年被引用的次数与当年的 ... derwin james lipstick alley

Why are Authors Citing Older Papers? - The Scholarly Kitchen

Category:被引用半衰期(cited halflife)引用半衰期(citing halflife) - 知乎

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Cited half-life什么意思

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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