رتبه بندي توليد علم در 50 كشور اول جهان

RANKING OF THE SCIENCE PRODUCTION FOR THE 50 MOST ACTIVE COUNTRIES

In this work the rank of the first 50 countries from 150 indexed countries in Institute for Scientific Information (ISI) between 227 world countries based on number of articles and all documents were investigated. The ranks of countries based on number of publications and publication per capital were investigated. Based on the number of publications, USA occupied the I rank and per capital Switzerland and USA ranks are 1 and 20, respectively. This study showed that the first 10 countries responsible for 59% of science production and the first 50 countries 87% and the rest of 100 indexed. countries participate only in production of 13%. The first country by publishing 239428 articles, participate in 21% and 10th country, by publishing 25108 articles, participate in 2.2% of productions. Iranʹs rank in the last year received to 42, which includes the first 29% of 150 countries. It should be note that in 1.993, the Iranʹs rank was 55. Rate of Iranʹs indexed articles in the last few years, compared to other countries, occupied the first position. The factors of the growth were investigated, however, this is only the partial production of Iranʹs science, which is indexed by ISI. The growth of the first 10 countries has received a plateau. However, maintaining the position is very important In the middle east, the growth of Turkey by publishing to 10356 articles in 2003 is very interesting. However compared to the year 1993, the production of Iran was 12 times and Turkey was 7.5 times. Based on citation, as a quality measurement index, the growth of Iran in her contribution was also investigated. Average citation per paper for Iran was 3. It should be notated that citation for different categories was varied from 0.6 to 4. Ranks of the first 50 countries based on highly cited papers (HCP) were also reported. Finally, some suggestions for maintaining and promotion of Iranʹs scientific production were included.