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(1)本统计所选代表性化学期刊包括Nature Chemistry、Angewandte Chemie International Edition和Journal of the American Chemical Society等3种期刊。(2)2011年中国大陆科研机构共在所选代表性化学期刊发表研究论文597篇,比2010年增加113篇,发表论文篇数位居历年第1位;占2011年所选代表性化学期刊刊载研究论文总数的份额为11.27%,比2010年增加1.46个百分点,位居历年第1位。(3)2011年中国大陆科研机构为主(包括独立完成、国内合作以及国际合作中作为第一著作单位)完成的论文
(1) Selected representative chemical journals in this statistic include 3 kinds of journals: Nature Chemistry, Angewandte Chemie International Edition and Journal of the American Chemical Society. (2) In 2011, a total of 597 research papers were published in selected representative chemical journals, a total of 113 research papers in selected Chinese chemical journals, an increase of 113 from 2010; the number of articles published in the journal ranked the first in the calendar year; the number of selected representative journals in 2011 The share of research papers published was 11.27%, an increase of 1.46 percentage points from 2010, ranking the first place in the calendar year. (3) Essays completed in 2011 by research institutes in mainland China (including the first author in independent, domestic and international cooperation)