Sci论文在修改阶段一般杂志社都会给出修改周期，作者要在规定的时间内完成修改并提交修改稿。但是有的修改难度比较大在规定的时间内完不成，这就要申请延期，为此在这给大家分享sci论文修改稿延期申请模板及范例。
模板一
由于论文的文本内容要进行大修，已经收到催稿邮件了，还没返修完，怎么办?可以这样写：
感谢您给我们一个机会进行重大修改，将我们的手稿提高到适合在贵刊上发表的水平。然而，我们需要一个新的延长期限，以便进一步修订。您能把截止日期延长到XXX吗?
邮件主题：
Asking for extending the deadline [ID-XXXXX]
Dear XXX,
Thanks for your email informing us that our manuscript entitled "XXX" (Manuscript ID: XXX ) is due for revision. We appreciate that you gave us a chance of major revision to improve our manuscript to meet the publication requirements of your journal. However, We we would like to ask you to extend the deadline for further revision. Could you please extend the due day to XXX? Thanks for your kindness.
Best regards,
XXX
模板二
由于实验没补完，快到截止日期了，怎么办?可以这样写：
根据审稿人的建议和意见，我们需要为我们的手稿进行更多的实验。我们恐怕无法在截止日期(XXX天内)之前重新提交修订。因此，如果您能将截止日期(最好是XXXX)延长，我们将不胜感激，以便我们能更恰当地修改手稿。
邮件主题：Asking for extending the deadline [ID-XXXXX]
Dear XXX,
We are writing to you regarding our submitted article entitled“XXX”(Manuscript IDID-XXXXX), which is currently under revision. According to the reviewers’ suggestions and comments, more experiments should be conducted for our manuscript.
We are afraid that we can not resubmit the revised peper before the deadline (within XXX days). Therefore, we will be most grateful if you could extend the deadline, preferably, XXXX, so that we can revise the manuscript more appropriately.
Thank you in advance for your consideration and kind assistance. We are looking forward to your early reply.
Kind regards,
XXXX
模板三
近段时间非常忙碌，没时间返修论文，怎么办?可以这样写：
非常感谢您对这份手稿的仔细考虑。为了按照审稿人的要求全面修改稿件，我们需要更多的时间来完成这次修改。因此，我们诚挚地要求额外的XXX天时间来修改手稿。如果可能的话，请告诉我们。
邮件主题：Asking for extending the deadline [ID-XXXXX]
Dear XXX, T
hank you very much for your kind consideration of this manuscript . In order to fully revise the manuscript as required by referees, we need more time to finish this revision. So, we cordially ask for additional XXX days time for revising the manuscript. Please let us know if this is possible.
Kind regards,
XXXX