Physics Essays
最新影響指數 - 實時趨勢預測 & 期刊影響力排名


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影響指數

2021-2022

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影響指數趨勢分析

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Physics Essays | Academic Accelerator - About the Journal

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Physics Essays

Physics Essays 2021-2022 年的影響指數仍在等待計算中,敬請關注!

Physics Essays Impact Factor
最高影響指數
0.356
最高影響指數 IF

近十年Physics Essays的最高影響指數為0.356。

最低影響指數
-
最低影響指數 IF

Physics Essays的影響指數仍在等待計算中,敬請關注!

影響指數 累積成長率
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影響指數 累積成長率

Physics Essays的影響指數累積成長率仍在等待計算中,敬請關注!

影響指數 平均成長率
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影響指數 平均成長率

Physics Essays的 影響指數平均成長率仍在等待計算中,敬請關注!

期刊影響力排名

子領域 四分位數 排名 百分比
- - -
-
期刊影響力排名

Physics Essays的期刊影響力排名仍在等待計算中,敬請關注!

Physics Essays Impact Factor 2023 Prediction

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期刊出版物總量
2198
期刊累積被引用數
3895

出版物數量年度趨勢

期刊被引用量年度趨勢

影響指數歷年數據分析

影響指數
影響指數
2020-2021 -
2019-2020 -
2018-2019 -
2017-2018 -
2016-2017 -
2015-2016 -
2014-2015 -
2013-2014 0.245
2012-2013 0.356
2011-2012 0.276
影響指數歷年數據分析

Physics Essays2020-2021的影響指數仍在等待計算中,敬請關注!
Physics Essays2019-2020的影響指數仍在等待計算中,敬請關注!
Physics Essays2018-2019的影響指數仍在等待計算中,敬請關注!
Physics Essays2017-2018的影響指數仍在等待計算中,敬請關注!
Physics Essays2016-2017的影響指數仍在等待計算中,敬請關注!
Physics Essays2015-2016的影響指數仍在等待計算中,敬請關注!
Physics Essays2014-2015的影響指數仍在等待計算中,敬請關注!
· Physics Essays 2013-2014年的影響指數為0.245
· Physics Essays 2012-2013年的影響指數為0.356
· Physics Essays 2011-2012年的影響指數為0.276

出版物引用數趨勢分析

出版數量 引用數量
出版数量 引用数量
1988 40 1
1989 57 9
1990 65 11
1991 69 25
1992 78 30
1993 75 45
1994 68 57
1995 69 45
1996 68 59
1997 80 77
1998 85 63
1999 78 66
2000 80 84
2001 47 83
2002 50 114
2003 44 212
2004 44 96
2005 53 85
2006 58 134
2007 55 100
2008 43 99
2009 77 173
2010 80 250
2011 88 276
2012 80 187
2013 81 289
2014 69 254
2015 48 237
2016 101 224
2017 74 171
2018 69 106
2019 65 125
2020 60 100
2021 0 8
出版物引用數趨勢分析

· Physics Essays於1988年發表了40篇报告,並取得1篇文獻引用。
· Physics Essays於1989年發表了57篇报告,並取得9篇文獻引用。
· Physics Essays於1990年發表了65篇报告,並取得11篇文獻引用。
· Physics Essays於1991年發表了69篇报告,並取得25篇文獻引用。
· Physics Essays於1992年發表了78篇报告,並取得30篇文獻引用。
· Physics Essays於1993年發表了75篇报告,並取得45篇文獻引用。
· Physics Essays於1994年發表了68篇报告,並取得57篇文獻引用。
· Physics Essays於1995年發表了69篇报告,並取得45篇文獻引用。
· Physics Essays於1996年發表了68篇报告,並取得59篇文獻引用。
· Physics Essays於1997年發表了80篇报告,並取得77篇文獻引用。
· Physics Essays於1998年發表了85篇报告,並取得63篇文獻引用。
· Physics Essays於1999年發表了78篇报告,並取得66篇文獻引用。
· Physics Essays於2000年發表了80篇报告,並取得84篇文獻引用。
· Physics Essays於2001年發表了47篇报告,並取得83篇文獻引用。
· Physics Essays於2002年發表了50篇报告,並取得114篇文獻引用。
· Physics Essays於2003年發表了44篇报告,並取得212篇文獻引用。
· Physics Essays於2004年發表了44篇报告,並取得96篇文獻引用。
· Physics Essays於2005年發表了53篇报告,並取得85篇文獻引用。
· Physics Essays於2006年發表了58篇报告,並取得134篇文獻引用。
· Physics Essays於2007年發表了55篇报告,並取得100篇文獻引用。
· Physics Essays於2008年發表了43篇报告,並取得99篇文獻引用。
· Physics Essays於2009年發表了77篇报告,並取得173篇文獻引用。
· Physics Essays於2010年發表了80篇报告,並取得250篇文獻引用。
· Physics Essays於2011年發表了88篇报告,並取得276篇文獻引用。
· Physics Essays於2012年發表了80篇报告,並取得187篇文獻引用。
· Physics Essays於2013年發表了81篇报告,並取得289篇文獻引用。
· Physics Essays於2014年發表了69篇报告,並取得254篇文獻引用。
· Physics Essays於2015年發表了48篇报告,並取得237篇文獻引用。
· Physics Essays於2016年發表了101篇报告,並取得224篇文獻引用。
· Physics Essays於2017年發表了74篇报告,並取得171篇文獻引用。
· Physics Essays於2018年發表了69篇报告,並取得106篇文獻引用。
· Physics Essays於2019年發表了65篇报告,並取得125篇文獻引用。
· Physics Essays於2020年發表了60篇报告,並取得100篇文獻引用。
· Physics Essays於2021年發表了0篇报告,並取得8篇文獻引用。
· Physics Essays的總出版物為2198。
· Physics Essays的總引用數為3895。

Physics Essays
基本資訊
Physics Essays | Academic Accelerator - About the Journal

介绍

- Physics Essays is a peer-reviewed scientific journal covering theoretical and experimental physics. It was established in 1988 and the editor-in-chief is E. Panarella.

ISSN
-
ISSN

Physics Essays的ISSN是 - ISSN是一個8位數的代碼,用於識別各種報紙,期刊,雜誌和期刊以及所有媒體 - 包括印刷版和電子版。

ISSN (Online)
-
ISSN (Online)

Physics Essays的ISSN(Online)是 - . ISSN是一個8位數的代碼,用於識別各種報紙,期刊,雜誌和期刊以及所有媒體 - 包括印刷版和電子版。

出版社
nan
出版社

Physics Essays的出版社是 nan

出版頻率
Quarterly
出版頻率

Physics Essays publishes reports Quarterly .

出版年度
nan
出版年度

Physics Essays的出版年度包含 nan .

開放取用
-
開放取用

Physics Essays的發布類型仍在調查中。敬請關注!

出版费
Review
出版費

The publication fee of Physics Essays is still under survey. Stay tuned!

語言
Multiple languages
語言

The language of Physics Essays is Multiple languages .

國家/地區
nan
國家/地區

The publisher of Physics Essays is nan , which locates in nan .

What is Impact Factor?

The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly average number of citations of articles published in the last two years in a given journal. It is frequently used as a proxy for the relative importance of a journal within its field; journals with higher impact factor values are often deemed to be more important, or carry more intrinsic prestige in their respective fields, than those with lower values.

Physics Essays | Academic Accelerator - About the Impact Factor

Impact factor is commonly used to evaluate the relative importance of a journal within its field and to measure the frequency with which the “average article” in a journal has been cited in a particular time period. Journal which publishes more review articles will get highest IFs. Journals with higher IFs believed to be more important than those with lower ones. According to Eugene Garfield “impact simply reflects the ability of the journals and editors to attract the best paper available.” Journal which publishes more review articles will get maximum IFs. The Impact Factor of an academic journal is a scientometric Metric that reflects the yearly average number of citations that recent articles published in a given journal received. It is frequently used as a Metric for the relative importance of a journal within its field; journals with higher Impact Factor are often deemed to be more important than those with lower ones. The Physics Essays Impact Factor IF measures the average number of citations received in a particular year (2021) by papers published in the Physics Essays during the two preceding years (2019-2020). Note that 2021 Impact Factor are reported in 2022; they cannot be calculated until all of the 2021 publications have been processed by the indexing agency. New journals, which are indexed from their first published issue, will receive an impact factor after two years of indexing; in this case, the citations to the year prior to Volume 1, and the number of articles published in the year prior to Volume 1, are known zero values. Journals that are indexed starting with a volume other than the first volume will not get an impact factor until they have been indexed for three years. Occasionally, Journal Citation Reports assigns an impact factor to new journals with less than two years of indexing, based on partial citation data. The calculation always uses two complete and known years of item counts, but for new titles one of the known counts is zero. Annuals and other irregular publications sometimes publish no items in a particular year, affecting the count. The impact factor relates to a specific time period; it is possible to calculate it for any desired period. In addition to the 2-year Impact Factor, the 3-year Impact Factor, 4-year Impact Factor, 5-year Impact Factor, Real-Time Impact Factor can provide further insights and factors into the impact of Physics Essays.

History

The impact factor was devised by Eugene Garfield, the founder of the Institute for Scientific Information (ISI). Impact factors are calculated yearly starting from 1975 for journals listed in the Journal Citation Reports (JCR). ISI was acquired by Thomson Scientific & Healthcare in 1992, and became known as Thomson ISI. In 2018, Thomson ISI was sold to Onex Corporation and Baring Private Equity Asia. They founded a new corporation, Clarivate, which is now the publisher of the JCR.

Use

The impact factor is used to compare different journals within a certain field. The Web of Science indexes more than 11,500 science and social science journals. Journal impact factors are often used to evaluate the merit of individual articles and individual researchers. This use of impact factors was summarised by Hoeffel:

Impact Factor is not a perfect tool to measure the quality of articles but there is nothing better and it has the advantage of already being in existence and is, therefore, a good technique for scientific evaluation. Experience has shown that in each specialty the best journals are those in which it is most difficult to have an article accepted, and these are the journals that have a high impact factor. Most of these journals existed long before the impact factor was devised. The use of impact factor as a measure of quality is widespread because it fits well with the opinion we have in each field of the best journals in our specialty....In conclusion, prestigious journals publish papers of high level. Therefore, their impact factor is high, and not the contrary.

Eugene Garfield

In brief, Impact factors may be used by:
  • Authors to decide where to submit an article for publication.
  • Libraries to make collection development decisions
  • Academic departments to assess academic productivity
  • Academic departments to make decisions on promotion and tenure.
As impact factors are a journal-level metric, rather than an article- or individual-level metric, this use is controversial. Garfield agrees with Hoeffel,but warns about the "misuse in evaluating individuals" because there is "a wide variation [of citations] from article to article within a single journal". Other things to consider about Impact Factors:
  • Many journals do not have an impact factor.
  • The impact factor cannot assess the quality of individual articles. Even if citations were evenly distributed among articles, the impact factor would only measure the interests of other researchers in an article, not its importance and usefulness.
  • Only research articles, technical notes and reviews are “citable” items. Editorials, letters, news items and meeting abstracts are “non-citable items”.
  • Only a small percentage of articles are highly cited and they are found in a small subset of journals. This small proportion accounts for a large percentage of citations.
  • Controversial papers, such as those based on fraudulent data, may be highly cited, distorting the impact factor of a journal.
  • Citation bias may exist. For example, English language resources may be favoured. Authors may cite their own work.
Moreover, informed and careful use of these impact data is essential, and should be based on a thorough understanding of the methodology used to generate impact factors. There are controversial aspects of using impact factors:
  • It is not clear whether the number of times a paper is cited measures its actual quality.
  • Some databases that calculate impact factors fail to incorporate publications including textbooks, handbooks and reference books.
  • Certain disciplines have low numbers of journals and usage. Therefore, one should only compare journals or researchers within the same discipline.
  • Review articles normally are cited more often and therefore can skew results.
  • Self-citing may also skew results.
  • Some resources used to calculate impact factors have inadequate international coverage.
  • Editorial policies can artificially inflate an impact factor.
Impact factors have often been used in advancement and tenure decision-making. Many recognize that this is a coarse tool for such important decisions, and that a multitude of factors should be taken into account in these deliberations. When considering the use of the impact factor (IF), keep these aspects in mind:
  • IF analysis is limited to citations from the journals indexed by the Web of Science/Web of Knowledge. Currently, the Web of Science indexes only 8621 journals across the full breadth of the sciences, and just 3121 in the social sciences.
  • A high IF/citation rate says nothing about the quality -- or even, validity -- of the references being cited. Notorious or even retracted articles often attract a lot of attention, hence a high number of citations. The notority related to the first publication on "cold fusion" is one such example.
  • Journals that publish more "review articles" are often found near the top of the rankings. While not known for publishing new, creative findings, these individual articles tend to be heavily cited.
  • The IF measures the average number of citations to articles in the journal -- given this, a small number of highly-cited articles will skew the figure.
  • It takes several years for new journals to be added to the list of titles indexed by the Web of Science/Web of Knowledge, so these newer titles will be under-represented.
  • It's alleged that journal editors have learned to "game" the system, encouraging authors to cite their works previously published in the same journal.
Comparing Journals Across Disciplines? Not a good idea! Using Impact Factors within a given discipline should only be done with great care, as described above. Using impact factor data to compare journals across disciplines is even more problematic. Here are some of the reasons:
  • Disciplines where older literature is still referenced, such as Chemistry and Mathematics, offer challenges to the methodolgy since older citations (older than two years) are not used to calculate the impact factor for a given journal. (Five-year impact factor analysis, which can be calculated using the Journal Citation Index database, helps smooth out this problem only to some degree.)
  • Different disciplines have different practices regarding tendency to cite larger numbers of references. Higher overall citation rates will bump upward impact factor measurements.
  • Where it's common for large numbers of authors to collaborate on a single paper, such as in Physics, the tendency of authors to cite themselves (and in this case, more authors) will result in increased citation rates.

Pros and Cons of the Impact Factor

Pros:

  • A vetted, established metric for measuring journal impact within a discipline.
  • Designed to eliminate bias based on journal size and frequency.
Cons:
  • Individual articles makes an uneven contribution to overall Impact Factor.
  • Impact Factor does not account for certain things, things like context (postive or negative citaion) and intentionality (self-citation).
  • The metric is proprietary to and bound by the contents of the Thomson Reuters database.
  • Citations, on which the Impact Factor is based, count for less than 1% of an article's overall use.

Criticism

Numerous critiques have been made regarding the use of impact factors. A 2007 study noted that the most fundamental flaw is that impact factors present the mean of data that are not normally distributed, and suggested that it would be more appropriate to present the median of these data. There is also a more general debate on the validity of the impact factor as a measure of journal importance and the effect of policies that editors may adopt to boost their impact factor (perhaps to the detriment of readers and writers). Other criticism focuses on the effect of the impact factor on behavior of scholars, editors and other stakeholders. Others have made more general criticisms, arguing that emphasis on impact factor results from negative influence of neoliberal policies on academia claiming that what is needed is not just replacement of the impact factor with more sophisticated metrics for science publications but also discussion on the social value of research assessment and the growing precariousness of scientific careers in higher education.
Experts stress that there are limitations in using impact factors to evaluate a scholar's work. There are many reasons cited for not relying on impact factor alone to evaluate the output of a particular individual. Among these are the following:

  • A single factor is not sufficient for evaluating an author's work.
  • Journal values are meaningless unless compared within the same discipline. Impact factors vary among disciplines.
  • The impact factor was originally devised to show the impact of a specific journal, not a specific scholar. The quality and impact of the author's work may extend beyond the impact of a particular journal.
According to Jim Testa, a researcher for ThomsonReuters Scientific, the most widespread misuse of the Impact Factor is to evaluate the work of an individual author (instead of a journal). "To say that because a researcher is publishing in a certain journal, he or she is more influential or deserves more credit is not necessarily true. There are many other variables to consider." (interview 6/26/2008 in Thomson Reuters blog entry)

什麼是影響指數?

影響指數(IF)經常用作表明期刊對其領域重要性的指標。它是由科學信息研究所的創始人Eugene Garfield首次提出的。儘管IF被機構和臨床醫生廣泛使用,但是人們對於IF日記的計算方法,其意義以及如何利用它存在著廣泛的誤解。期刊的影響指數與同行評議過程的質量和期刊的內容質量等因素無關,而是一種反映對期刊,書籍,論文,項目報告,報紙上發表的文章的平均引用次數的度量,會議/研討會論文集,在互聯網上發布的文件,說明以及任何其他批准的文件。

Physics Essays | Academic Accelerator - About the Impact Factor

影響指數通常用於評估期刊在其領域內的相對重要性,以及衡量期刊在特定時間段內引用“平均文章”的頻率。發表更多評論文章的期刊將獲得最高的IF。 IF較高的期刊被認為比IF較低的期刊更重要。根據尤金·加菲爾德(Eugene Garfield)的說法,“影響只是反映期刊和編輯吸引最佳論文的能力。”發表更多評論文章的期刊將獲得最大的IF。

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