Fourth place: sci-hub, as many researchers know, the advantage is that English documents can be downloaded for free, but the disadvantage is that the website is unstable and the domain name changes frequently. Moreover, you need to know exactly which document you need to download and the exact DOI number of the document. Enter the DOI number in sci-hub to find the downloaded full text. However, if you haven't found the documents you need, it is not suitable to use sci-hub. In addition, at present, the documents of SCI-HUB 2022 and beyond have not been included, and the documents before 2022 can try this website.
Third place: Google Academic is a website for searching English academic literature for free. Now we use Google Academic Mirror. You can search for documents by keywords, authors, references and other information. Remember to enter English. Google Academic can also be used for advanced retrieval, which is suitable for retrieval with only scattered retrieval conditions. In addition to searching for documents, some documents in Google Academic can also be downloaded directly.
Second place: The website of the Web of Science is somewhat similar to Google Academic. This is a search engine for foreign academic literature. Some documents also provide "publishers' free full text" for direct download, but unlike Google Academic, Web of Science requires a license. However, the search function of Web of Science is richer than that of Google Academic, and the related information of documents is more detailed, such as DOI number, communication author information, year, volume, issue, page number, impact factor and so on. You can also analyze test results, quote reports, and create tracking services.
Science Network contains references cited in the paper. Through the unique citation index, users can use an article, a patent number, a conference document, a journal or a book as search terms to retrieve their citations, easily trace the origin and history of a research document, or track its latest progress. You can see wider, newer and deeper. Web of Science also includes three famous citation index databases (SCI, SSCI, A & amp； HCI).
Issue 1: Why did the documentary party downloader put this website in the first place? This website is a comprehensive website of Chinese and foreign literature resources. The resource documentary party downloaders of sci-hub and Google Academic mentioned above are all covered, and documents that cannot be downloaded by sci-hub and Google Academic can basically be downloaded in the documentary party downloader. Web of Science database resources, literature party downloader resource library also has.
Besides these, other literature databases are also integrated into the literature download database, such as Elsevier(ScienceDirect), Wiley, SpringerLink, EI (Engineering Index), IEEE (Institute of Electrical and Electronics Engineers), Taylor &; Francis (Database of Sci-tech Journals), ProQuest (Foreign Doctoral Thesis Library), PubMed (Biomedicine) and so on.
As we all know, to save time and energy, the most efficient way to download is to get it from the document source database, but because there is no authority for the document database resources, it will not be so troublesome to use the document party downloader because the document database is complete (both in Chinese and foreign languages). Download literature. This stop is basically enough.
However, to use the resources of the Literary Party Downloader, you need to download the client's on the home page of this website and log in to the client to enter the resource pool, because the Literary Party Downloader is a resource integration platform, and the client can better integrate huge resources.