1. Differentiation criteria: SCI journals are divided into four regions according to impact factors. Journals in 1 and 2 areas are considered to have high gold content, while those in 3 and 4 areas have relatively low gold content. Nevertheless, the papers of the fourth district still have academic value.
2. Academic contribution: It is difficult to publish research results in many fields in 1 and 2 journals, especially in some subdivided or emerging fields. Journals in four regions may pay more attention to these areas, thus providing a publishing platform for relevant researchers. At the same time, these papers are also helpful to promote the development of this discipline.
3. Peer review guarantee: SCI papers in Zone 4 also need to go through a strict peer review process to ensure academic quality. Although the impact factors and subjects are low, this does not mean that these papers are worthless. In fact, they can still provide readers with useful information and opinions.
4. Positive significance: For scientific researchers, the papers published in SCI journals in 4 districts still have positive significance. They can help researchers build academic reputation, expand academic exchanges and cooperation, and increase career development opportunities.
5. Evaluating multiple indicators of a paper: When evaluating the value of a paper, impact factors and zoning are only one of the reference indicators. It is more important to pay attention to the research content, methods and quality of contribution. Therefore, in practical application, we should comprehensively consider various factors to measure the gold content of the paper, not just limited to its region.
To sum up, although the gold content of SCI papers in the four areas may be lower than that in the high areas, they still have certain academic value and positive significance. When evaluating papers, we should pay more attention to the substantive content and contribution of the papers, rather than relying solely on impact factors and zoning indicators.