Scimago Journal & Country Rank

Science China Technological Sciences

Country Germany  - SIR icon SIR Ranking of Germany
H Index
Subject Area and CategoryEngineering
Engineering (miscellaneous)

Materials Science
Materials Science (miscellaneous)
PublisherSpringer Verlag
Publication typeJournals
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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.

Engineering (miscellaneous)1999Q2
Engineering (miscellaneous)2000Q2
Engineering (miscellaneous)2001Q2
Engineering (miscellaneous)2002Q2
Engineering (miscellaneous)2003Q2
Engineering (miscellaneous)2004Q2
Engineering (miscellaneous)2005Q2
Engineering (miscellaneous)2006Q2
Engineering (miscellaneous)2007Q3
Engineering (miscellaneous)2008Q2
Engineering (miscellaneous)2009Q2
Engineering (miscellaneous)2010Q2
Engineering (miscellaneous)2011Q2
Engineering (miscellaneous)2012Q2
Engineering (miscellaneous)2013Q1
Engineering (miscellaneous)2014Q1
Engineering (miscellaneous)2015Q1
Engineering (miscellaneous)2016Q1
Engineering (miscellaneous)2017Q1
Materials Science (miscellaneous)1999Q3
Materials Science (miscellaneous)2000Q3
Materials Science (miscellaneous)2001Q3
Materials Science (miscellaneous)2002Q3
Materials Science (miscellaneous)2003Q3
Materials Science (miscellaneous)2004Q3
Materials Science (miscellaneous)2005Q3
Materials Science (miscellaneous)2006Q2
Materials Science (miscellaneous)2007Q3
Materials Science (miscellaneous)2008Q3
Materials Science (miscellaneous)2009Q2
Materials Science (miscellaneous)2010Q2
Materials Science (miscellaneous)2011Q2
Materials Science (miscellaneous)2012Q2
Materials Science (miscellaneous)2013Q2
Materials Science (miscellaneous)2014Q2
Materials Science (miscellaneous)2015Q2
Materials Science (miscellaneous)2016Q2
Materials Science (miscellaneous)2017Q2

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.

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)19990.144
Cites / Doc. (4 years)20000.210
Cites / Doc. (4 years)20010.285
Cites / Doc. (4 years)20020.302
Cites / Doc. (4 years)20030.318
Cites / Doc. (4 years)20040.373
Cites / Doc. (4 years)20050.406
Cites / Doc. (4 years)20060.475
Cites / Doc. (4 years)20070.353
Cites / Doc. (4 years)20080.521
Cites / Doc. (4 years)20090.728
Cites / Doc. (4 years)20101.009
Cites / Doc. (4 years)20111.201
Cites / Doc. (4 years)20121.373
Cites / Doc. (4 years)20131.351
Cites / Doc. (4 years)20141.483
Cites / Doc. (4 years)20151.554
Cites / Doc. (4 years)20161.701
Cites / Doc. (4 years)20171.822
Cites / Doc. (3 years)19990.144
Cites / Doc. (3 years)20000.237
Cites / Doc. (3 years)20010.333
Cites / Doc. (3 years)20020.360
Cites / Doc. (3 years)20030.362
Cites / Doc. (3 years)20040.341
Cites / Doc. (3 years)20050.451
Cites / Doc. (3 years)20060.453
Cites / Doc. (3 years)20070.298
Cites / Doc. (3 years)20080.560
Cites / Doc. (3 years)20090.766
Cites / Doc. (3 years)20101.041
Cites / Doc. (3 years)20111.221
Cites / Doc. (3 years)20121.440
Cites / Doc. (3 years)20131.440
Cites / Doc. (3 years)20141.584
Cites / Doc. (3 years)20151.631
Cites / Doc. (3 years)20161.799
Cites / Doc. (3 years)20171.968
Cites / Doc. (2 years)19990.152
Cites / Doc. (2 years)20000.287
Cites / Doc. (2 years)20010.428
Cites / Doc. (2 years)20020.351
Cites / Doc. (2 years)20030.328
Cites / Doc. (2 years)20040.302
Cites / Doc. (2 years)20050.372
Cites / Doc. (2 years)20060.364
Cites / Doc. (2 years)20070.309
Cites / Doc. (2 years)20080.598
Cites / Doc. (2 years)20090.790
Cites / Doc. (2 years)20101.049
Cites / Doc. (2 years)20111.215
Cites / Doc. (2 years)20121.564
Cites / Doc. (2 years)20131.511
Cites / Doc. (2 years)20141.616
Cites / Doc. (2 years)20151.697
Cites / Doc. (2 years)20161.931
Cites / Doc. (2 years)20172.150
Total 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.

Self Cites199914
Self Cites200019
Self Cites20018
Self Cites200212
Self Cites20037
Self Cites20048
Self Cites20053
Self Cites20065
Self Cites20073
Self Cites200823
Self Cites2009102
Self Cites2010241
Self Cites2011455
Self Cites2012337
Self Cites2013327
Self Cites2014296
Self Cites2015347
Self Cites2016244
Self Cites2017168
Total Cites199933
Total Cites200058
Total Cites200183
Total Cites200299
Total Cites200398
Total Cites200488
Total Cites2005105
Total Cites2006111
Total Cites200778
Total Cites2008153
Total Cites2009338
Total Cites2010871
Total Cites20111492
Total Cites20122033
Total Cites20131917
Total Cites20141941
Total Cites20151791
Total Cites20161610
Total Cites20171433
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.

External Cites per document19990.083
External Cites per document20000.159
External Cites per document20010.301
External Cites per document20020.316
External Cites per document20030.336
External Cites per document20040.310
External Cites per document20050.438
External Cites per document20060.433
External Cites per document20070.286
External Cites per document20080.476
External Cites per document20090.535
External Cites per document20100.753
External Cites per document20110.849
External Cites per document20121.201
External Cites per document20131.195
External Cites per document20141.343
External Cites per document20151.315
External Cites per document20161.526
External Cites per document20171.738
Cites per document19990.144
Cites per document20000.237
Cites per document20010.333
Cites per document20020.360
Cites per document20030.362
Cites per document20040.341
Cites per document20050.451
Cites per document20060.453
Cites per document20070.298
Cites per document20080.560
Cites per document20090.766
Cites per document20101.041
Cites per document20111.221
Cites per document20121.440
Cites per document20131.440
Cites per document20141.584
Cites per document20151.631
Cites per document20161.799
Cites per document20171.968
% 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
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.

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
Non-citable documents20080
Non-citable documents20091
Non-citable documents20102
Non-citable documents20113
Non-citable documents20122
Non-citable documents20132
Non-citable documents20142
Non-citable documents20154
Non-citable documents20164
Non-citable documents20178
Citable documents1999229
Citable documents2000245
Citable documents2001249
Citable documents2002275
Citable documents2003271
Citable documents2004258
Citable documents2005233
Citable documents2006245
Citable documents2007262
Citable documents2008273
Citable documents2009441
Citable documents2010837
Citable documents20111222
Citable documents20121412
Citable documents20131331
Citable documents20141225
Citable documents20151098
Citable documents2016895
Citable documents2017728
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.

Uncited documents1999203
Uncited documents2000206
Uncited documents2001192
Uncited documents2002213
Uncited documents2003207
Uncited documents2004201
Uncited documents2005170
Uncited documents2006182
Uncited documents2007204
Uncited documents2008177
Uncited documents2009238
Uncited documents2010394
Uncited documents2011550
Uncited documents2012517
Uncited documents2013520
Uncited documents2014442
Uncited documents2015395
Uncited documents2016294
Uncited documents2017269
Cited documents199926
Cited documents200039
Cited documents200157
Cited documents200262
Cited documents200364
Cited documents200457
Cited documents200563
Cited documents200663
Cited documents200758
Cited documents200896
Cited documents2009204
Cited documents2010445
Cited documents2011675
Cited documents2012897
Cited documents2013813
Cited documents2014785
Cited documents2015707
Cited documents2016605
Cited documents2017467
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