Research progress of natural mineral functional crystals-tourmaline;

This paper has systematically summarized the present situation of study and application of compound materials consisting of nanometer sized TiO_2 and natural minerals and emphatically introduced types of minerals carrying nanometer sized TiO_2 and the environmental applications of the compound material.

Compared with some natural mineral sorbents, GM6 was proved to be the best sorbent with the highest sodium content.

Kinetics on hydrocarbon generation from fatty acid ester in the presence of natural minerals at low temperature;

An applied value of the natural minerals in the composite;

Significance of scientifical evaluation of natural mineral drugs in Changbai Mountain area;

A preliminary experimental investigation were done on the effects of the partial replacement of cement by ultrafine powder of natural zeolite and its compound powder on water requirement of the total cementitious materials,fluidity and control of slumploss of fresh concrete,and strength of hardened concrete.