Synthesization of red brown ceramic pigment doped with ianthanumoxide by a hydrothermal process under low temperature;

A process to produce brown-red spinel pigment from zinc oxide,chromic oxide,ferric oxide,alumina and manganese dioxide is introduced in this paper.

Study on stability of reddish brown hair dye after dyeing hair;

There are many serious problems that water and soil loss, soil degradation and so on exist in Huangling area of Sichuan basin pan, So analysis of soil nutrient in different landscape of reddish-brown purple soil in the middle part of the Sichuan basin indicated, the content of paddy soil in the rushing gully was higher than the content of hill.