Cited half-life什么意思
WebApr 29, 2015 · By definition, half of the articles in a journal will be older than the cited half-life; the other half will be younger. The concept of half-life can also be applied to article downloads. For the entire dataset of journals, the mean weighted cited half-life was 6.5 years, which grew at a rate of 0.13 years per annum. 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 ...
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. The principle of sensor digital sum calculated technology is discussed,and the application of digital sum calculated technology in steel works of Shijiazhuang Iron …
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 WebWhat 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.
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 … 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
WebJun 10, 2014 · 被引半衰期 (Cited Half-life)，显示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，是测度期刊老化速度的一种指标。. 半衰期通常不是针对个别文献或某一组文献，而是指某一学科或专业领域的文献总和而言的。.
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 ... the perfect match afterwardsWebJan 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 ... the perfect match box officeWebCited 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。 the perfect martini cocktailWebCited Half-Life 中文翻譯：被引半衰期 計算方式：該期刊的總被引用次數衰退一半(50%)所需要的年數，此數據只有在總被引次數大於100時提供。 意義：可看出該期刊文章的 影響 … the perfect match by ken liuWeb1.519. 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. the perfect match boutique camp hill paWebThe 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. the perfect match by jodi picoultWebA higher or lower cited half-life does not imply any particular value for a journal. For instance, a primary research journal might have a longer cited half-life than a journal that provides rapid communication of current information. Cited half-life figures may be useful to assist in collection management and archiving decisions. the perfect match bande annonce