Lipotes usually occurs in pairs or in small loose groups. The calves are born in March-April.The Finless porpoises are usually seen in groups of five or six ind
Based on the empirical electron theory of solids and molecules of S. H. Yu, this paper proposes (i) the calculating model of valence electron structures in L<sub>
The theory of dissipative structure is applied to the study of atherosolerosis. An auto-catolytic theoretical model is suggested. The behaviors of the model are