1) is obtained online in the internal network of the institution that purchased this database.
2) On the external network, you can use the agent of the relevant institution that purchased the database, and then log in to obtain the account password given by the institution.
3) Pay for yourself
The third method is certainly incomprehensible, because individuals can't afford to buy it. If you can afford it, you don't need to read these stupid articles.
Recommend several free databases:
1)NCBI PubMed has many free papers: hk/schhp? q =+& amp; HL = zh-CN & amp; as_sdt=0,5
5) Find someone to download it for you. If you can't beat him or deduct his salary.
The following is nonsense:
WEB of Science is a product developed by Thomson Scientific based on WEB. It is a large comprehensive, multidisciplinary and core journal citation index database, including three citation databases (Science Citation Index (SCI), Social Science Citation Index (SSCI) and Arts and Humanities Citation Index (Arts & amp; : Humanities Citation Index (A & amp; HCI) and two fact-based chemical information databases (CCR and Index Chemicus, IC), with ISI knowledge network as the retrieval platform.