(1) Journal
1.ISI web of SCIence contains sci journals with impact factors greater than 10. 2. For the first-level discipline of SCI journals with no impact factor greater than 10, the 1 SCI journals representing the international top level of this discipline can be declared as to.
T 1 journal
1. According to the SCI periodicals collected by ISI web of science and the periodicals of China Academy of Sciences, the periodicals in 1 area are divided into major categories.
2. Each discipline at the first level can adjust its 1 ~ 2 SCI periodical to t 1 category.
3. China Science Series (English version). 4. Science Bulletin (English version).
(3) T2 periodical
1. According to the SCI periodicals collected by ISI web of science and the periodicals of the Literature and Information Center of China Academy of Sciences, the periodicals in the two regions are divided into major categories.
2. China Science Series (Chinese version). 3. Science Bulletin (Chinese version).
4. Computer science and technology, software engineering and other disciplines can transfer 1 ~ 2 conference papers representing the international top level of this discipline to T2.
(4) T3 periodical
1. According to the SCI periodicals collected by ISI web of science and the periodicals of China Academy of Sciences, the periodicals are divided into three regions.
2. Each first-level discipline can adjust 1 ~ 2, a domestic first-level academic journal representing the top level in this discipline, to T3.
3. Journal of China Youshi University (Natural Science Edition). (5) T4 periodical
1.Other SCI journals included in ISI Science Network. 2.2. Other periodicals included in EI.
3. Each first-level discipline can transfer 1 ~ 2 to T4, which is the landmark Chinese core journal of this discipline.