The graphene oxide(GO)is dispersed in HPAM which is served as the matrix,and GO/HPAM composite system is prepared by physical blending method.The laboratory evaluation experiment shows that:when the amount of GO accounts for 5% of HPAM,the viscosity of GO/HPAM composite system is maximum,and the addition of GO making the viscosity of the composite system increase by nearly 63.82%.GO can be uniformly dispersed in the HPAM solution,and the stability of GO/HPAM composite system is quite good.Stability paramete...