This paper proposed a new generation of high performance composite cement which is designed according to the optimization of composition and structure of cement
Gypsum tailings, slag, cement, and other additives are used to produce gypsum building material products with simple technological processes and low costs. It p
The ac impedance of Nb-doped semicon-ducting (Bao.72Pbo.28)TiO3 ceramics implanted with copper ions(200keV,6X1015 and 1X1017 ions/cm2) in the temperature range