To investigate the harm of the pollution at low concentration to the environment and human being,the effects of five shampoos on micronuclei in erythrocytes of loach Misgurnus anguillicaudantus were studied by using micronuclei and nuclear anomalies tests.

The dual-group hydrocarbon type rubber plasticizer was prepared using the heavy components in the production of heavy oil catalytic cracking by secondary deasphalting process.

The applications of cashew nut shell liquid to polymer materials in home and abroad in recent years were also summarized,including phenolic resin modifier,rubber plasticizer and applications to coatings and adhesives.