The first situation: in some units, the recognition of international core journals is relatively high, and sci is naturally the first. For example, sci and ssci belong to the first file, and the core of Peking University belongs to the third file. Among these units, the core of Peking University is not comparable to sci, even if it is the four districts of sci. It is easy to see that about 2-3 North Nuclei are equivalent to 1 sci Zone 4.
In the second case, it is true that the unit has a high recognition of sci, but it focuses on the first and second fields of sci. The identification of sci four districts is equivalent to the core of Peking University. That is to say, in some units, a Peking University core is equivalent to 1 sci four areas.
In short, the core of Peking University is equivalent to several fields of sci, and different units may have different answers. On the premise of high academic value of the paper and good quality of the target sci journals, it is suggested that priority should be given to the publication of sci.
The core of Peking University, which contains relatively good Chinese periodicals, has a high influence in China and is recognized by many units, but its recognition is slightly lower than that of CSSCI and CSCD. But scholars have a good core journal of Peking University, which can provide great help in many cases.
The international core periodical Sci is divided into four areas, namely 1 area, area 2, area 3 and area 4. It is also the most recognized academic journal at home and abroad, with great academic influence. However, almost all the top journals in sci are in the first and second districts, and the third and fourth districts are slightly worse, which may lead to the recognition of sci in the fourth district is not as good as some core journals in China.