The recovery of heavy oil by water flooding is 10% lower than that of conventional crude oil,so enhanced oil recovery (EOR) is of great significance for heavy oi
It was conducted the comparison of palynological assemblages of the Middle Tsagayan,Upper Tsagayan subformations,Furao and Wuyun formations from Zeya-Bureya Bas
In this work,Green-Naghdi (GN) equations with general weight functions were derived in a simple way.A wave-absorbing beach was also considered in the general GN
A majority of the exposed nunataks located in the Grove Mountains of the Antarctic interior have yet to have had their elevations measured.The elevations of Mas