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作者：美捷登Kristen 在学术论文投稿过程中，许多作者一门心思打磨数据、雕琢措辞，却往往忽略了一个隐藏的“拦路虎”——文章的重复率。事实上，许多期刊对重复率的要求严苛得堪比论文评审人犀利的眼神，稍有不慎，稿件就可能被“温柔”地退回修改，甚至直接被判处“拒稿徒刑”，让作者的SCI梦在投稿系统里戛然而止。
为了让各位同行少走弯路、少受打击，美捷登老司机结合二十年投稿经验，总结了几种常见的“重复率踩雷”场景，希望能帮大家避开这些坑，顺利闯关，实现论文发表的美好愿望！
第一类：投稿后被退回要求降低重复率 许多期刊在收到稿件后，会使用查重软件（如iThenticate）对稿件进行重复率检测。如果重复率超过期刊规定的阈值，稿件将被退回并要求作者修改。以下是一些常见的例子： - Journal of Advanced Research (IF: 11.4)
该期刊要求稿件的重复率低于25%。一位作者在投稿后收到退回信，信中明确指出：
"CrossRef check powered by the iThenticate software resulted in 32% similarity between your manuscript and previously published literature. Please cut it below 25%." - Annals of Hepatology (IF: 3.7)
该期刊在退回信中提到：
"Our system's similarity analysis tool has flagged a significant percentage of similarity between your manuscript and other texts in the scientific literature. We kindly request that you review your work and make the necessary revisions to address this concern."
- Frontiers in Bioscience-Landmark (IF: 3.3)
该期刊要求研究论文的重复率控制在25%以内。一位作者收到退回信：
"After checking, I found that the manuscript has a high duplication rate. According to the publishing regulations of our journal, the duplication rate of research papers must be controlled within 25%. Please reduce the duplication rate to below 25%."
- PeerJ (IF: 2.3)
该期刊在退回信中明确指出：
"We noticed that your manuscript contains an unacceptable level of apparently re-used text. We are unable to consider your submission unless you address this issue and submit a new version of the manuscript."
- Annals of Dermatology (IF: 1.6)
该期刊要求重复率低于25%。一位作者收到退回信：
"Similarity tests showed a similarity of 27% excluding references. Please revise manuscript to 25% or less."
- Clinical and Experimental Obstetrics & Gynecology (IF: 0.4)
该期刊不仅要求整体重复率低于25%，还要求单篇参考文献的重复率低于5%。退回信中写道：
"Please ensure that the article's repetition rate is less than 25% and the repetition rate between the manuscript and any reference is less than 5%. This is not acceptable for high repetition."
第二类：因重复率过高被直接拒稿 如果稿件的重复率过高，期刊可能会直接拒稿，甚至指出存在抄袭行为。以下是一些典型案例：
- Biofactors (IF: 5)
一位作者收到拒稿信：
"A routine check with the software iThenticate has indicated 41% similarity of this paper with published material. This value highly exceeds the limits accepted by the Journal and thus your manuscript has been denied publication."
- Molecules and Cells (IF: 3.7)
尽管该期刊对稿件表示感兴趣，编辑在拒稿信中写道：
"Although your work is of potential interest to the readers of Molecules and Cells, the similarity index to already published articles turned out to be rather high. This may be accidental, but the issue of plagiarism needs to be fully addressed prior to consideration for publication."
- Saudi Pharmaceutical Journal (IF: 3)
拒稿信指出：
"Your manuscript shows an unacceptable level of overlap with prior publications. There are numerous complete sentences and paragraphs that are virtually unchanged. In the present form, the originality of the study cannot be assessed."
- European Journal of Oncology Nursing (IF: 2.7)
拒稿信中提到：
"Your paper has a very high similarity index of 40%. After careful consideration at the editorial board, we are sorry to advise you that we will not be able to accept this paper for publication."
- Journal of Vascular and Interventional Radiology (IF: 2.6)
拒稿信明确指出：
"This submission includes a substantial portion of text copied from other sources. Authors are advised to revise instances of plagiarism prior to submitting to an alternative journal, as plagiarism is considered a major breach of publishing ethics."
- Journal of Applied Ichthyology (IF: 0.7)
拒稿信中提到：
"Your similarity index with published work is as high as 56% (!!!) indication that on average every second word is copy-pasted from published journal articles. This does not only create significant copyright issues, it also constitutes a serious kind of scientific misconduct."
第三类：修回时要求降低重复率 即使稿件进入修回阶段，期刊仍可能要求进一步降低重复率。以下是一些例子：
- Saudi Medical Journal (IF: 1.7)
修回信中要求：
"Your similarity check results based on iThenticate was 36%. Please note that similarity should not be higher than 10% to avoid textual plagiarism. This is Journal Policy."
- Neurosciences (IF: 1.2)
修回信中强调：
"Please note that the journal is very strict with textual plagiarism. Any statement found similar to previous study should be rewritten in own words and reference. Your similarity check results based on iThenticate was 23%. Please note that similarity should not be higher than 10%."
投稿前的建议 为了避免因重复率问题导致稿件被退回或拒稿，建议作者在投稿前采取以下措施：
- 使用查重工具：在投稿前，使用iThenticate等专业查重工具检测稿件的重复率，确保文章的原创性。
- 合理引用：引用他人研究成果时，要准确标注来源，避免大段直接复制，尽量用自己的话表达。
- 避免重复表述：尽量减少与已发表文献的重叠部分，尤其是常见的研究方法和理论框架，重新表述或补充新的内容。
结语 重复率问题是学术投稿中不可忽视的一环。许多学术期刊对重复率有严格的要求，作者们在投稿前必须仔细检查文稿，确保重复率符合杂志的要求。采取合适的措施降低重复率，不仅能提高论文的质量，还能避免因为重复率过高而遭遇拒稿或修改的麻烦。
在学术写作中，专业的语言润色和内容优化同样至关重要。美捷登（Medjaden Inc.）作为深耕学术服务领域近20年的专业团队，始终致力于为科研工作者提供全方位的学术支持。我们的SCI论文润色、翻译、降重、写作指导服务，不仅能帮助您优化语言表达、提升逻辑严谨性，还能有效降低重复率，确保您的论文符合国际期刊的高标准要求。此外，我们提供基金标书指导、医学实验管理、学术期刊运营等全流程科研服务，助力您的学术成果顺利发表。
自2005年成立以来，美捷登现已服务高水平SCI文稿数十万篇，课题项目700+，实验项目2000+。无论是初涉科研的新人，还是经验丰富的学者，我们都能为您提供个性化的专业支持，让您的科研之路更加顺畅。
希望本文能帮助您更好地理解期刊对重复率的要求，也欢迎您选择美捷登的专业服务，让您的学术成果更具竞争力！
校对：Leste Wang 审核：Joy Liao
投稿前必看：期刊对重复率的要求，你了解吗？ | 
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