| | | | | | 2017 12 | | 2017 29 | | | | 2017 35 2019 79 | | 2020 | | | 11 | 10 | | 2021 | | | 2021 4 | | | | 2021 7 | | | 10 | | | 10 | | | | | | | | 1 | | | | | | 2 . | | | | | Al2O-3H2O | | 3 . | | | | | | | | 4 . | | | | 5 . | | | | 6 . | | | | | | 7 . | | | | AL2O3 | | | | | 8 . | | | | 70 % | | 9 . | SiO2 | | | | 10 . | | | | | 2021 7 23 | |