Abstract
This study attempts a series of quantitative analyses on a cornucopia of data in the Corpus of Scientific Journal Articles (CSJA), a special- purpose corpus consisting of 360 journal articles in 10 major scientific fields. Major findings include: (1) the average word length is 6.31 characters;(2) a word-form occurs 36.8 times on average;(3) a text category having a larger number of running words tends to have a higher word recurrence rate; (4) most of the 100 most frequent word-forms are function words; (5) in comparison with the COBUILD corpus and the LOB corpus, numbers and letters are much more frequently used in the CSJA than in the other two corpora; (6) only a very limited number of word-forms have a high recurrence rate while more than half of the vocabulary occur only once or twice; (7) despite disciplinary difference, word frequency profiles of the ten scientific fields are very similar, showing that different scientific fields bear similar patterns in the use of words.
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