Developmental genetic studies in Drosophila unraveled the importance of Polycomb group(PcG) and Trithorax group(TrxG) genes in controlling cellular identity.PcG
Studies of the breaking criteria for solitary waves on a slope are presented in this paper. The boundary element method is used to model the processes of shoal
To better understand the characteristics of theclay minerals in the southern Yellow Sea, the X-ray quantita-tive determinations have been carried out for the s