By way of determination of active matter content, adsorption amount and ζpotential of four different superplasticizers and in the light of the effect mechanism of superplasticizers, analysis was made of the cause for slump loss and sodium sulfoanatephenol formaldehyde was proved to be the best superplasticizer out of the four.

Study on the active substances effect on the property of AC blowing agent and their activated mechanism;

Applied studies on trace element in looking for new active substance;

Optimization of extracting ethanol-soluble active substance from natural se-enriched green tea

A research for active material formula with high utilization ratio;

Preparation of anion-selective membrane electrode for aluminate ion with 1,2-exoxy-propyl-trinoctyl ammonium chloride and hexadecyltrioctylammonium iodide as active materials,and with polyvinyl alcohol(PVA)and Chitosan (CS) as membrane materials was carried out.

It was found that the major failure mode was the softening and shedding of positive material, which eventually resulted in the deactivation of active material and deterioration of conductivity.