The B-Al permeation layers of Steel 45 were studied by means of SEM, TEM and XRD. The formation and growth model of permeation layer was proposed. The layer for
Data coming from different sources have different types and temporal states. Relations between one type of data and another ones, or between data and unknown pa
The zeta potential measurements show that the flotation separation of diaspore from kaolinite, illite and pyrophyllite could be achieved in the range of pH 46.5
The microstructure of gibbsite precipitated with seeds from sodium aluminate solution was studied using SEM. The results show that there are a lot of fine secon