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自然指数由施普林格·自然（Springer Nature）旗下自然科研（Nature Research）编制，于2014年11月首次发布，通过追踪高质量自然科学期刊所发表的科研论文的作者信息，为科研共同体提供有关全球科研状况和出版趋势的信息。自2018年6月起，纳入自然指数的期刊数量已由原先的68本增至82本。自然指数目前采用两种计算论文产出的方法，其中论文计数（AC）指不论一篇文章有一个还是多个作者，每位作者所在的国家或机构都获得1个AC分值;分数式计量（FC）则考虑了每位论文作者的相对贡献。2018年6月起，自然出版集团(Nature Publishing Group)修订了自然指数计量规则，目的在于调整学科间的权重比，提高计量指标的科学性。纳入自然指数的期刊数量已由原先的68种增至82种。修订后的自然指数期刊名单如下：ACS NAdvanced Functional MAdvanced MAmerican Journal of Human GAnalytical CAngewandte Chemie International EApplied Physics LAstronomy & ACancer CCancer RCCell Host & MCell MCell Stem CChemical CChemical SCurrent BDevelopmental CEarth and Planetary Science LEcology LLEnvironmental Science & TEuropean Physical Journal CGenes & DGenome RGeochimica et Cosmochimica AGGeophysical Research LIInorganic CJournal of Biological CJournal of Cell BJournal of Clinical IJournal of Experimental MJournal of Geophysical Research: AJournal of Geophysical Research: Solid EJournal of High Energy PJournal of NJournal of American Chemical SMMolecular CMolecular PMonthly Notices of the Royal Astronomical Society LNano LNNature BNature Cell BNature Chemical BNature CNature Climate CNature CNature GNature GNature INature MNature MNature MNature NNature NNature PNature PNature Structural & Molecular BNOrganic LPhysical Review APhysical Review BPhysical Review DPhysical Review LPhysical Review XPLOS BPLOS GProceedings of the National Academy of Sciences of the United States of AProceedings of the Royal Society BSScience AScience Translational MThe Astrophysical Journal LThe EMBO JThe ISME Journal: Multidisciplinary Journal of Microbial EThe Journal of Physical Chemistry LThe Plant CWater Research数据来源：#journals（8）
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