Study on the migration law and control of heavy metal ions “downward” in gangue backfill materials in short-wall block backfill mining

Study on the migration law and control of heavy metal ions “downward” in gangue backfill materials in short-wall block backfill mining Journal of Mining and Safety Engineering . 2023, (2): 284 -294 . DOI: 10.13545/j.cnki.jmse.2022.0533