In order to provide readers with a convenient and comprehensive network platform for consulting foreign periodicals, China National Library Group Corporation has developed the online database retrieval system of CNP Linker (CNP Link Service) and put it into operation. CnpLINKer is "China Library Link Service". At present, it mainly provides the functions of searching the contents and abstracts of about 3600 foreign periodicals, electronic full-text links and searching domestic periodicals, and keeps the data content consistent and up-to-date with foreign publishers.
Comments: only foreign language retrieval function is provided, and the full text cannot be obtained. Personally, I think it is not very ideal.
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Provisions of China Higher Education Document Guarantee System. It can jointly search the contents of Chinese and western periodicals, books, dissertations and conference papers in colleges and universities.
NSTL literature retrieval: /index.html
Provided by the National Library of Science and Technology. Provide scientific and technological information services for the whole country, and jointly search Chinese and foreign periodicals, dissertations, conference papers, Chinese and foreign books, foreign scientific and technological reports, patents, standards, measurement and testing regulations, etc. It also provides free academic resources abroad, pre-printed portals at home and abroad, and navigation of network resources.
After logging in to the homepage of the website, it is suggested to access it in the following ways: select to enter according to the horizontal menu at the top of the homepage, such as literature retrieval, full-text literature, catalog browsing, catalog query, hotspot portal, network navigation, etc. After logging in to each column, you can see the detailed information of each column, which can be understood more clearly in use. Highlight: Full-text literature column.
CASHL directory system:/search/default.asp.
Provided by the Humanities and Social Sciences Library of China University. Provide foreign periodicals, foreign book catalogues and general situation of foreign core periodicals of humanities and social sciences in colleges and universities.
Multiple database search:/
This website is highly academic. The website interface is refined, integrating all kinds of literature information retrieval and consulting services, and integrating all kinds of online resources with the literature resources of our library, which provides great convenience for readers of our school and other universities.
Literature search: /netl/index.jsp
Provided by China Institute of Science and Technology Information. You can search the Chinese and foreign periodicals, domestic dissertations, Chinese conference papers, foreign scientific and technological reports, audio-visual databases and other contents collected by the Institute.
Free natural science network resources: /sub/nature.html
Provided by Guangxi University Library. They are all foreign databases and need to go abroad as agents.
Free social science network resources: /sub/social.html
Provided by Guangxi University Library. They are all foreign databases with rich content and authority. Need to go abroad as an agent.
Classic resources:/navigation/freedb/default.htm # freejournal
The library of Tianjin University is comprehensive, with patents, standards, technical reports, free databases, free e-books and free links to electronic journals.
Recommended academic websites:/database/aresource.html.
Tsinghua University Library provides a practical free academic resource website on the Internet.
Foreign academic websites
Foreign free academic websites:/Chinese/network _ navigation/hotsites/gwxs.htm.
Provided by Shanghai Jiaotong University Library.
OCLC FirstSearch online retrieval system:/content/web/tsg59.htm.
Provided by Guangxi University Library. Dialog system is the largest comprehensive international online retrieval system in the world at present, and its databases are diverse, involving natural science, social science, engineering technology, humanities, fact reporting, commercial economy and other fields. At present, the total number of databases in the system has reached 450, including well-known databases such as CA, BA, SCI, EI, INSPEC, DERWENT, NTIS and ISTP. The retrieval provided by the library is paid service, which is divided into two ways: on-campus users and off-campus users.
ASCE online academic library: /pubs/start.cfm? CFID=338326。 CFTOKEN=2530300 1
The publications of the World Population and Health Organization are mainly the research and investigation reports of the World Population and Survey Organization, and the main literature types are scientific and technological reports, investigation reports and books. Because most of the documents are unpublished gray documents, they have high academic value and use value. All network users can log on to this resource website and consult some abstracts for free; A small number of documents can be downloaded for free.
Society of Automotive Engineers (SAE): http://www.sae.org/servlets/index.
SAE is a professional organization with high technical requirements, strong professionalism, great influence and worldwide automotive engineering. The main resources provided by the website are: periodicals, standards, books, research reports, monographs, etc. The three journals published by the Society can read part of the full text online for free, and other databases can only be ordered for use.