Sci-hub is mainly used to download foreign references, but some Chinese references can also be downloaded. The use method is also very simple. When you encounter a foreign document you want to download, you can find the doi of the foreign document, and then enter the interface of sci-hub, which is the above picture, and search and download the document. Maybe some friends don't know what doi is, or they can't find it in the literature. Let's introduce the usage of doi. So what is doi (switching mode is on, hehe) ahem! The full name of DOI is Digital Object Identifier, which is a series of numbers, letters and symbols used to permanently identify articles or documents and link to the Web. To put it bluntly, just as the ID number of each of us is used to identify the uniqueness of each of us, and the doi is used to identify the uniqueness of the document, so a document only corresponds to one doi, and a doi only corresponds to one document. So this is also the reason why we use doi to search when using sci-hub, because the topic will always appear the same situation, and doi only corresponds to its unique document. Usually when we want to download foreign literature, we can basically find its doi. If you want to know whether a foreign document is registered with DOI or the DOI number of this article, you can go to /portal/index.htm, the only DOI registration agency website in Asia, where all Chinese papers are registered. The website is like this. Of course, we can also directly use the document title +doi for Baidu or Google search.
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Sometimes sci-hub really can't do it. What should I do? Don't panic, there are several free literature download artifacts: 1. PMC(PubMed central), a collection of digital life science journals established by NCBI (National Biotechnology Information Center), now provides free full-text of more than 50 biomedical journals. In the official pubmed system, the free full text is concentrated here. When you check Pubmed, you can check the free full text of PMC. Generally speaking, the content of PMC is quite comprehensive. 2.PLoS (Public Library of Sciences) is a non-profit academic organization supported by many Nobel Prize winners and charities. It aims to popularize the latest research results in the global scientific and medical fields and make them public resources, so that scientists, doctors, patients and students can know the latest scientific research trends through such an unrestricted platform. PLoS has published eight journals in the fields of life sciences and medicine, which can be obtained free of charge and are quite influential. At present, Plos series periodicals have been included by SCI. Although the number of periodicals is small, the overall number of articles is quite large. 3.SRP (Research Publishing) Research Publishing (SRP) is an international comprehensive open source academic journal publishing institution. At present, there are nearly 300 kinds of international open source English periodicals, all of which are OpenAccess (OA). All the full texts of the periodicals can be downloaded free of charge, and all the periodicals can be traced back to the date of publication. Most journals have been included in full text or abstracts by CAS, EBSCO, CAB Abstracts, ProQuest, IndexCopernicus, Library of Congress, Gale, CSP and other databases. 4.OA LIB (Open Access Library) devotes itself to academic exchange and progress by providing high-quality documents and quick-response servers. Provide you with more than 2 million academic articles, and this number is estimated to increase in the near future. A lot of content here spans PMC. However, some free full-text articles that have not entered pubmed will be included. 5.DOAJ (Open Access Journal Catalogue) DOAJ (Open Access Journal Catalogue), a free full-text scientific academic journal. The library of Lund University in Sweden was established in May 2003. From the initial 350 periodicals, there are 2752 periodicals, of which 830 can be searched in full. At present, there are 140307. It is a good professional OA periodical literature retrieval system, but it does not include preprint resources. The articles collected by the system have been peer-reviewed or strictly reviewed, with high quality, which is in sync with the publication of periodicals and is a good helper for research. 6.AnnualReviews website: http://annualreviews.org/ American Annual Review Publishing House is a non-profit publishing organization that focuses on publishing authoritative review journals. Its Annual Review series is the most cited publication, and all journals rank in the top ten in their corresponding fields. 7.kl ArXivArXiv is a non-profit educational institution affiliated to CornellUniversity, which provides access to 16 free electronic journals of physics, mathematics, nonlinear science, computer science and quantitative biology. No need to climb over the wall, it's faster. 8.CERN document server mainly covers particle physics and related disciplines, providing more than 360,000 full-text documents, including preprinted documents, journal papers, books, pictures, dissertations and so on. It's faster without climbing over the wall. Nature20 14 12, Nature announced that all research papers, including its 48 journals, were open to the public, but unfortunately they could not be copied, printed or downloaded for free. But it's just online, but it's also a great benefit! 10.Science.go The content of the American Science website is mainly research and development reports. All materials are free to use and no registration is required. However, some information linked through these websites is restricted or conditionally used.