ratio of silicate to aluminium silica alumina ratio silicaaluminaratio
Example Sentences:
1.
High si / al amorphous silica - alumina with satisfactory pore structure could be prepared via optimization the preparation condition 通过优化加料顺序、加料方式和制备条件，可以制备出理想孔结构的高硅铝比无定形硅铝干胶产品。
