HowNet duplicate checking includes English database, which contains many English papers of sci and papers in other languages. After uploading the paper to the duplicate checking system, the duplicate checking system will compare the content of the paper with the documents contained in the database. If duplicate parts are found, the duplicate checking system of HowNet will calculate the repetition rate of English papers according to the standard of continuous similarity of 13 characters, so it is suggested that academic misconduct such as plagiarism should not occur.

Before selecting a duplicate inspection system, you need to carefully check the descriptions in each duplicate inspection system. For example, the duplicate checking system of CNKI undergraduate PMLC needs to be selected, and the number of words in the paper should be less than 60,000 words, otherwise the paper cannot be uploaded correctly.

The main impact of sci:

Scientific citation index is based on Bradford's theory of document dispersion law and Garfield's theory of citation analysis. It evaluates and studies academic journals and scientific research achievements in many aspects by counting the frequency of cited papers, so as to judge the performance of scientific research output of a country or region, scientific research units and individuals and reflect its international academic level. Therefore, SCI is an internationally recognized scientific and technological literature retrieval tool worthy of reference.

With its unique citation approach and comprehensive scientific data, scientific citation index ranks journals and papers through the statistics of a large number of citations, and then obtains quantitative indicators such as impact factors, citation frequency and real-time index of a journal and paper in a certain discipline. The high frequency of citation shows that this paper has a great influence in its research field and has attracted the attention of international peers.