Sciencedirect is a world-famous academic periodical publisher in the Netherlands. A large number of academic books and periodicals are published every year, most of which are included by SCI, SSCI and EI, and they are internationally recognized as high-grade academic periodicals.
Science Network is an important database for obtaining global academic information. It contains more than 0/3,000 authoritative and influential academic journals in the world, covering natural science, engineering technology, biomedicine, social science, art and humanities. Web of Science includes three famous citation index databases (SCI, SSCI, A & amp； HCI).
Willie online library is a full-text database of all disciplines, and its publications cover a wide range of disciplines-including chemistry, physics, engineering, agronomy, veterinary medicine, food science, medicine, nursing, stomatology, life science, psychology, business, economics, social science, art, anthropology and many other important interdisciplinary journals.
SpringerLink is the world's largest online academic resource platform in the fields of science, technology and medicine (STM). Springer e-book database includes various springer book products, such as monographs, textbooks, manuals, atlases, reference books and series. Specific disciplines include: mathematics, physics and astronomy, chemistry, life science, medicine, engineering, computer science, environmental science, earth science, economics and law.
ProQuest business information, academic research and applied science and technology database covers many fields such as business management, social humanities, science and technology, finance and taxation, medicine and pharmacy. It provides various types of information services such as periodicals, newspapers, reference books, bibliographies, indexes, atlases, out-of-print books, records, doctoral dissertations and scholars' collections, among which Proquest dissertations &; PQDT Global is the largest and most widely used doctoral and master's thesis database in the world.
PubMed is a free search engine that provides a database of biomedical papers and abstracts. Its database source is MEDLINE. Its core theme is medicine, but it also includes other fields related to medicine, such as nursing or other health disciplines. Provide links to full-text providers (paid or free).
EI enjoys a high reputation in the academic, engineering and information circles all over the world, and it is recognized as an important retrieval tool by the scientific and technological circles. Related fields: mechanical engineering, electromechanical engineering, marine engineering, manufacturing technology, mining, metallurgy, materials engineering, metal materials, non-ferrous metals, ceramics, plastics, polymer engineering.
Institute of electrical and electronic engineers. ElectronicsEngineers) is the full-text library of IEEE and IET. IEEE devotes itself to the development and research of electrical, electronic, computer engineering and scientific related fields, and has formulated more than 1300 industry standards in the fields of aerospace, computer, telecommunications, biomedicine, electric power and consumer electronic products, and has now developed into an international academic organization with great influence.
Baidu Academic was launched in June 2065438+2004. It is a free academic resources search platform under Baidu, providing a large number of academic resources in both Chinese and English, covering various academic journals, degrees and conference papers, and some documents can be downloaded directly.
Sci-hub specializes in downloading foreign documents for free, but the website often changes its domain name, sometimes it is unstable, the new domain name can't be opened, and new documents are not included. At present, there are basically no documents in 2022.
Academic Literature Downloader (wxdown.org) integrates a large number of Chinese and foreign literature database resources, covering the above literature databases. Huge literature resources involve various disciplines, including documents that cannot be downloaded by Google Academic and sci-hub. It is suitable for college students with insufficient school resources or researchers without database resources to consult and download documents.