The intercalatants presence of Fe-KCl graphite intercalation compound(Fe-KCl GIC) is in the form of independent crystalline phase. In this paper, its distributi
This paper presemts a new method. linearprogramming method .to calculate the proportion of the ce-ment raw material. Its advantages are as following: goodpracti
Several model are built to search optimummining rate by using optimum control theory for various pur-pose.A numerical method is extracted to assist both planera
A new compound K<sub>6</sub>Ti<sub>2</sub>Nb<sub>14</sub>O<sub>42</sub>was found inthe ternary system K<sub>2</sub>O-TiO<sub>2</sub>-Nb<sub>2</sub>O<sub>5</sub&am