Electrochemical methods and holographic microphotography were used to investigate the anodic dissolution and potentiostatic current oscillations of iron, and reactivation of passivated iron in 0.

Report of Sudden Catastrophes: Effective Combination of Macrocosmic and Microcosmic Information;

It is shown that the micro-area information on the morphology and the change of main component elements in biotite have been made from study of natural sillimanite leuco-granulitite of Fuping group in Pingshan by SEM and compared with the high pressure and high temperature experiment of melting of leuco-granulitite and biotite granulitite.