Scimago Journal & Country Rank

Science in China, Series A: Mathematics, Physics, Astronomy

Country

China

Universities and research institutions in China

Subject Area and Category

Publisher

Gordon and Breach Science Publishers

H-Index

33

Publication type

Journals

ISSN

10069283

Coverage

1996-2002, 2004

Quartiles

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

CategoryYearQuartile
Multidisciplinary1999Q2
Multidisciplinary2000Q1
Multidisciplinary2001Q2
Multidisciplinary2002Q1
Multidisciplinary2003Q2
Multidisciplinary2004Q2
Multidisciplinary2005Q2
Multidisciplinary2006Q1
Multidisciplinary2007Q1
SJR

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

YearSJR
19990.195
20000.259
20010.225
20020.338
20030.166
20040.205
20050.154
20060.332
20070.818
Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

YearDocuments
1999162
2000155
2001189
2002172
20030
20041
20050
20060
20070
Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)19990.209
Cites / Doc. (4 years)20000.271
Cites / Doc. (4 years)20010.283
Cites / Doc. (4 years)20020.292
Cites / Doc. (4 years)20030.245
Cites / Doc. (4 years)20040.360
Cites / Doc. (4 years)20050.417
Cites / Doc. (4 years)20060.376
Cites / Doc. (4 years)20070.000
Cites / Doc. (3 years)19990.209
Cites / Doc. (3 years)20000.276
Cites / Doc. (3 years)20010.301
Cites / Doc. (3 years)20020.306
Cites / Doc. (3 years)20030.225
Cites / Doc. (3 years)20040.360
Cites / Doc. (3 years)20050.451
Cites / Doc. (3 years)20060.000
Cites / Doc. (3 years)20070.000
Cites / Doc. (2 years)19990.205
Cites / Doc. (2 years)20000.259
Cites / Doc. (2 years)20010.306
Cites / Doc. (2 years)20020.279
Cites / Doc. (2 years)20030.211
Cites / Doc. (2 years)20040.384
Cites / Doc. (2 years)20050.000
Cites / Doc. (2 years)20060.000
Cites / Doc. (2 years)20070.000
Total Cites 
Self-Cites

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

CitesYearValue
Self Cites199916
Self Cites200024
Self Cites200120
Self Cites200235
Self Cites20030
Self Cites20040
Self Cites20050
Self Cites20060
Self Cites20070
Total Cites199996
Total Cites2000135
Total Cites2001144
Total Cites2002155
Total Cites2003116
Total Cites2004130
Total Cites200578
Total Cites20060
Total Cites20070
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

CitesYearValue
External Cites per document19990.174
External Cites per document20000.227
External Cites per document20010.259
External Cites per document20020.237
External Cites per document20030.225
External Cites per document20040.360
External Cites per document20050.451
External Cites per document20060.000
External Cites per document20070.000
Cites per document19990.209
Cites per document20000.276
Cites per document20010.301
Cites per document20020.306
Cites per document20030.225
Cites per document20040.360
Cites per document20050.451
Cites per document20060.000
Cites per document20070.000
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
199911.73
200010.97
20019.52
200210.47
20030
20040.00
20050
20060
20070
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

DocumentsYearValue
Non-citable documents19990
Non-citable documents20000
Non-citable documents20010
Non-citable documents20020
Non-citable documents20030
Non-citable documents20040
Non-citable documents20050
Non-citable documents20060
Non-citable documents20070
Citable documents1999459
Citable documents2000489
Citable documents2001479
Citable documents2002506
Citable documents2003516
Citable documents2004361
Citable documents2005173
Citable documents20061
Citable documents20071
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

DocumentsYearValue
Uncited documents1999390
Uncited documents2000398
Uncited documents2001382
Uncited documents2002403
Uncited documents2003428
Uncited documents2004270
Uncited documents2005120
Uncited documents20061
Uncited documents20071
Cited documents199969
Cited documents200091
Cited documents200197
Cited documents2002103
Cited documents200388
Cited documents200491
Cited documents200553
Cited documents20060
Cited documents20070
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