During the ageing of erythrocyte membrane, the spectrin content, Na, K-ATPase activity as well as the lipid fluidity are obviously decreased. However, suppleme
The stress concentration behaviour of internally ring stiffened tubular T and Y joints in offshore platforms is analysed by semi-analytical variational method
The investigation shows that the concentrations of nutrients are high in estuarine and coastal waters and low in offshore waters. The concentration of nitrate
Calcareous nannoplankton flora in the surface sediments of the East China Sea has been investigated many times based on isolated sample collections since 1980.