Generally speaking, the supplements that HowNet can retrieve are of high quality. HowNet retrieval is an important criterion for whether an article can play a specific role, but more consideration is needed to supplement the paper. Even the supplement articles retrieved by HowNet can't be used if the documents the author faces don't recognize the supplement at all.
The supplement of Modern Chemical Industry is the supplement of core journals, which is likely to be downgraded, that is, even if it is counted as the publication of national papers, it is still not counted as the publication of core papers, which can be regarded as the most optimistic situation in the use of supplement papers.
In the evaluation of professional titles, supplements are not recognized in most cases, and there are clear requirements in the professional title documents.