In the growth of oocytes of Penaeus orientalis Kishinouye, five stages were distinguished . Histochemical tests showed the presence of DNA in the chromatin and
The wave forces on pipes near the ocean bottom are studied with model test in this paper. Comparisons of four different methods show that the uncommonly used m
In this paper the stress and deformation fields about a locked fault in depth have been imitated using 3-dimensional finite element method and their time-space
In this paper, an attempt is made to study some interesting results of the coupled nonlinear equations in the atmosphere. By introducing a phase angle function