Study on change of chemical components in micro Mica Isolation and crystal ctructure of sulfur from Capparis spinosa fruits THE RELATIONSHIP AMONG AMYLOPLAST CORE, CRYSTAL STRUCTURE AND THE AMYLOPLAST DNA DURING AMYLOPLAST DEVELOPMENT Preliminary investigation on polymorphs of two traditional Chinese medicine reference substances Study on Selective Isolation of Volatile Oil in the Seed of Fructus foeniculi Research on the structural characteristic of modified phosphate fertilizer and its increase efficiency mechanism