Experiment of many-body collision;

In order to eliminate cookery black in restaurants, based on the principles of centrifugation, liquid collision, oleophilic and hydrophilic features, used the experience of existing cookery black purifiers, the high efficient cookery black purifiers have been manufactured, combining centrifugalization and filtering, implementing the first level cookery black treatment.

Development of Repeated Impact Testing Machine and Dynamics Response Analysis of the System;

Repeated impact tests on samples of laser cladding is done and microcosmic analysis to the appearance and mechanism of repeated impact contact fatigue damnification is mode.

The flaws' forming and expanding mechanism had been analyzed and studied,that was happened on the laser coating under repeated impact load by SEM or some other methods.