The author has also worked out a complete programme on a programmable computer, which can either be used for rock-mass classification or for stability determination.

Strengthen a research on groundwater characteristics is conductive to determination of stability and development trend of the Baota landslide and can provide basis for the landslide control.

In the present paper, several determination method and factors for storage stability of biodiesel have been summarized, influence of antioxidant on storage stability have also been presented.