The technology of activation by adding few activators (【1% ) to increase the amount of blends in cement was investigated. The results show that outer activa-ti
The structure around Ti<sup>4+</sup> in BaO-SiO<sub>2</sub>-B<sub>2</sub>O<sub>3</sub>-TiO<sub>2</sub> had been studied by X-ray fluorescence spectra. The resul