The SCI area is the highest level, which means that the journal has the greatest influence and is considered as one of the most authoritative publications. Only those researchers who publish high-quality scientific research results can publish articles in such journals. This kind of journals usually have high impact factors, which can attract widespread attention and have far-reaching influence.
The level of SCI- 1 is higher than that of domestic core. SCI is an authoritative scientific and technological literature retrieval database recognized by academic circles. Generally speaking, 1 SCI paper is equivalent to the weight of 2-3 NTU cores, so the level of SCI- 1 is very high.