NSG-2 solid-free gel timing plugging agent is prepared with sesbania gum, paraformaldehyde and gum extender as main materials.
以田菁胶、磨芋胶、多聚甲醛和凝胶增强剂为主要原料,合成新型的无固相凝胶定时堵剂NSG - 2。
2
These 3 kinds of fracturing fluids may seriously contaminate Putaohua reservoir. The damage rate of sesbania gum, fenugreek gum and guar gum were 27.89%, 18.51%, 26.06% respectively.
Rhizobium sesbania infected through the apical rupture of the growing site of adventitious root, multiplied in the fissure around the root primordium and stimulated the division of cortex cells.