As follows:
1. Thesis Station
Thesis Station provides one-stop downloading of papers and patents, open to the whole society, and can also be downloaded from off-campus networks. It also supports global network downloads and supports dozens of resource libraries including CNKI, Wanfang Data, VIP Information, Chaoxing Books, Gaoyan Data, Longyuan Journal, Bokan Magazine, etc.
Just like the slogan of the website: "One person, one number, enjoy high-speed unlimited papers, patent download service", on this website you can download the resources you want at will.
2.OALib (open access journal, open source database)
OALib is a search engine based on an open access metadata database, providing more than 4,359,987 open source papers articles.
Covering: mathematics, physics, chemistry, engineering, biology, materials, science, technology, medicine, humanities and social sciences and other fields, covering up to 311 subject papers, all without registration and free use to download.
At the same time, OALIB is also making continuous efforts to continuously update high-quality academic papers, so that more scholars can enjoy free paper downloads and promote academic flow.
At the same time, OALib provides a powerful page snapshot function. You can see the title, author, keywords and other core information without downloading the paper, which makes it convenient for you to choose the paper that suits you and greatly improves the search efficiency.
3. HighWire
HighWire was founded by the Stanford University Library in the United States. It is known as "the world's largest free scientific journal library" and has 916 different types of journals for you to download for free. .
More than 1.03 million papers can be obtained for free in full text. You can download papers covering life sciences, medicine, physics, social sciences and other fields here. The focus is on the number of papers on this website. Still growing, it can definitely meet your writing needs.
4.Intute
Intute is a non-profit organization in the field of higher education, continuing education and skills in the UK. It provides a large number of free paper downloads, with the number of resources reaching 120,060. , all available for free download.
Mainly covers papers in four major fields: science and technology, arts and humanities, social sciences, and health and life sciences.
You can download papers from agriculture, biology, environmental science, engineering technology, applied science, medicine and life sciences, physics, chemistry, economics and many other disciplines here.
And it is reviewed and evaluated by experts in the professional field. The quality of the paper is guaranteed, and there is no need to worry about downloading inferior resources.
Supports Boolean logic search. The qualifiers that can be used include: "and", "or", "nor", "xor (or)", and the search keywords can be title, author, Abstract, field description, and supports powerful intelligent search functions to help you quickly find the resources you want.
5. FindaRticles
FindaRticles is an old academic site that has been established for 21 years. It has 10 million academic resources, of which more than 99 papers are available for you to download for free. In addition to traditional In addition to papers, it also provides 3,000 news and magazine source publications, which greatly enriches everyone's diverse needs for downloading papers.
The fields covered include: art, business, computers, commerce, finance, education, sports, current affairs news, entertainment and fitness, and various social aspects. There is always one suitable for you!
It not only supports English retrieval, but also supports Chinese retrieval. You can also download a large number of Chinese publications here. For example, if we enter "China's tourism industry in 2018", a large number of related documents will pop up immediately.