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(1)本统计所选代表性物理学期刊包括Nature Photonics、Nature Physics和Physical Review Letters等3种期刊。(2)2011年中国大陆科研机构共在所选代表性物理学期刊发表研究论文273篇,比2009年增加56篇,发表论文篇数位居历年第1位;占2011年所选代表性物理学期刊刊载研究论文总数的份额为7.80%,位居历年第1位,比2010年增加1.43个百分点。(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
(1) Selected representative physics journals in this statistics include 3 kinds of journals: Nature Photonics, Nature Physics and Physical Review Letters. (2) In 2011, research institutes in mainland China published a total of 273 research papers in selected representative physical journals, 56 more than in 2009, with the number of articles published in the first place in the calendar year; the number of selected representative physical The share of academic journals in the total number of research papers was 7.80%, ranking first in calendar year and an increase of 1.43 percentage points from 2010. (3) On the completion of the research institutions in mainland China based in 2011 (including independently completed, domestic and international cooperation as the first writing unit)