What is special about open-access journals
A: A higher frequency of citation.
B: A collection of valuable data.
C: Hard-won prominence.
D: Established reputation.
A: A higher frequency of citation.
B: A collection of valuable data.
C: Hard-won prominence.
D: Established reputation.
举一反三
- Publishing in open-access journals could be low in cost.
- The wrong statement about the formula is ( ) A: The higher the frequency, the shorter the wavelength B: The lower the frequency, the shorter the wavelength C: The worse the penetration, the higher the discrimination D: the better the penetration, the lower the discrimination
- Data towards the edge of k-space is A: ) more intense. B: ) representative of higher frequency responses relative to that at the centre. C: ) representative of lower frequency responses relative to that at the centre.
- A contains a collection of interrelated data, a set of programs to access the data and an environment that is both convenient and efficient to use. A: DBMS B: Database C: Database application D: Data Schema
- 下列哪些资源可以在网上免费下载全文？ A: DOAJ(Directory of Open Access Journals) B: WOS（Web of Science) C: FMJ(Free Medical Journals) D: HighWire Press