按照惯例，为保证期刊遴选和JCR报告的公证公允，今年的《期刊引证报告》镇压了20种期刊(没给影响因子)。相关英文原文：https://journalcitationreports.zendesk.com/hc/en-gb/articles/28351398819089-Title-Suppressions

镇压了20种期刊如下，这些期刊没有给影响因子，其中4本是因为引用堆叠(互引)，16本是因为自引过高。相关的数据也给了，期刊界同仁可以仔细看看。学者们知道一下就可以。

Journals Suppressed from 2024 JCR Data (2025 release)

Impact metrics (Journal Impact Factor, 5-year Impact Factor, and Immediacy Index) are not published for the titles listed below due to anomalous citation patterns found in the 2024 citation data. These patterns result in a significant distortion of the Journal Impact Factor and rank that does not accurately reflect the journal’s citation performance in the literature. The Journal Impact Factor provides an important and objective measure of a journal’s contribution to scholarly communication.

In the interest of fairness and accuracy for all journals, the distortion of the Journal Impact Factor by an excessive concentration of citations gives rise to the need for suppression. Clarivate will monitor these journals going forward and the titles will be included in a future release of JCR, with full metrics listed, when the anomalous patterns are resolved. Coverage of these journals in Web of Science and other Clarivate™ products is not immediately affected by suppression from the JCR. However, the titles may be subject to review to determine if they continue to meet the quality and publication standards necessary for inclusion in Web of Science Core Collection.

For more information, see the "Journal Suppression" section in the JCR Reference guide. The list of journals suppressed in previous years can be found here.

JCR Title	Full Title	Type
ADV APPL DISCRET MAT	Advances and Applications in Discrete Mathematics	Self
ANN PHYTOMEDICINE	Annals of Phytomedicine-an International Journal	Self
APPL ORGANOMET CHEM	Applied Organometallic Chemistry	Stacking
ASIAN J AGR BIOL	Asian Journal of Agriculture and Biology	Stacking
CHEM METHODOL	Chemical Methodologies	Stacking
CLIN HEMORHEOL MICRO	Clinical Hemorheology and Microcirculation	Self
GENET RESOUR CROP EV	Genetic Resources and Crop Evolution	Stacking
INDIAN J BIOCHEM BIO	Indian Journal of Biochemistry & Biophysics	Self
J EARTHQ TSUNAMI	Journal of Earthquake and Tsunami	Self
J MIND MED SCI	Journal of Mind and Medical Sciences	Self
JORDAN J MECH IND EN	Jordan Journal of Mechanical and Industrial Engineering	Self
LOBACHEVSKII J MATH	Lobachevskii Journal of Mathematics	Self
MECH ADV MATER STRUC	Mechanics of Advanced Materials and Structures	Self
MEDIA EDUC-RUSS	Media Education-Mediaobrazovanie	Self
PUNJAB UNIV J MATH	Punjab University Journal of Mathematics	Self
RUSS CHEM B+	Russian Chemical Bulletin	Self
RUSS J PHYS CHEM B+	Russian Journal of Physical Chemistry B	Self
T FAMENA	Transactions of Famena	Self
TEMA	Tema-Journal of Land Use Mobility and Environment	Self
VESTN ST PETER U-MAT	Vestnik St Petersburg University-Mathematics	Self

 Self Citation Suppressed Titles with Key Data Points

This table lists the categories for each journal (note that each journal may be included in multiple categories), the percentage of citations in the Journal Impact Factor numerator that are self cites, and the distortion in category rank due to self cites. The distortion in category rank is based on analysis of all journals in all categories of the JCR ranked both with and without the inclusion of self cites. Here distortion equals the percentage shift in rank with self cites included versus excluded.

Full Title	Category	% Self Cites in JIF Numerator	% Distortion of Category Rank
Advances and Applications in Discrete Mathematics	Mathematics	75%	29%
Annals of Phytomedicine-an International Journal	Pharmacology & Pharmacy	87%	31%
Clinical Hemorheology and Microcirculation	Peripheral Vascular Disease	51%	31%
Clinical Hemorheology and Microcirculation	Hematology	51%	32%
Indian Journal of Biochemistry & Biophysics	Biochemistry & Molecular Biology	67%	17%
Indian Journal of Biochemistry & Biophysics	Biophysics	67%	23%
Journal of Earthquake and Tsunami	Geochemistry & Geophysics	51%	26%
Journal of Earthquake and Tsunami	Engineering, Civil	51%	27%
Journal of Mind and Medical Sciences	Medicine, General & Internal	62%	24%
Jordan Journal of Mechanical and Industrial Engineering	Engineering, Mechanical	64%	43%
Lobachevskii Journal of Mathematics	Mathematics	49%	35%
Mechanics of Advanced Materials and Structures	Materials Science, Characterization & Testing	52%	13%
Mechanics of Advanced Materials and Structures	Materials Science, Composites	52%	26%
Mechanics of Advanced Materials and Structures	Mechanics	52%	25%
Mechanics of Advanced Materials and Structures	Materials Science, Multidisciplinary	52%	29%
Media Education-Mediaobrazovanie	Communication	92%	35%
Punjab University Journal of Mathematics	Mathematics	50%	26%
Russian Chemical Bulletin	Chemistry, Multidisciplinary	59%	17%
Russian Journal of Physical Chemistry B	Physics, Atomic, Molecular & Chemical	79%	40%
Transactions of Famena	Engineering, Mechanical	68%	27%
Transactions of Famena	Materials Science, Multidisciplinary	68%	15%
Tema-Journal of Land Use Mobility and Environment	Urban Studies	64%	34%
Vestnik St Petersburg University-Mathematics	Mathematics	49%	27%

 Citation Stacking Suppressed Titles with Key Data Points

This table lists the recipient and donor journal pairs along with the percentage of citations in the Journal Impact Factor numerator that are from the donor to the recipient (x% of the JIF Numerator cites to Recipient journal from Donor journal). The percentage exchange to the Journal Impact Factor years is the proportion of all citations from donor to recipient (all years) that reference the two years considered in the Journal Impact Factor calculation (x% of all citations from Donor to Recipient were concentrated in the Journal Impact Factor years).

Recipient Journal	Donor Journal	% JIF Numerator	% Exchange to JIF Years
CHEM METHODOL	APPL ORGANOMET CHEM	17%	87%
ASIAN J AGR BIOL	GENET RESOUR CROP EV	31%	83%

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