Preparation of TiO_2 doped Fe~(3+),La~(3+) and its photocatalytic performance;

Influence of Co-doped on the Photocatalytic Activity of K_2Nb_4O_(11);

Preparation of proton acid doped polyaniline and its gas-sensing properties;

Study on the structure of La-doped SrBi_4Ti_4O_(15);

Research on Nd-doped Barium Titanate Powder Prepared by Hydrothermal Synthesis;

Preparation and fluorescence properties of polyaniline doped with [CrMo_6O_(24)H_6]~(3-);

Study on adulteration synthesis and gas sensitive properties of nanometer α-Fe_2O_3 powders;

The retinyl schiff base salt was synthesized through the adulteration of silver nitrate.

Based on the experiments on magnetic_field_induced Freedericksz transition of planar nematic liqui d crystal, doped with trace bulin, fibre protein and double_azo etc, the trace adulteration effects on the transition of planar nematic liquid cryst al are discussed; experimental curves and nu merical calculation curves are given.