hole basis
2.In the process of the coming into being of the legend God in hole,with the basis of traditional belief,folk environment and regarding hill,hole as the symbol media,this kind of legend absorbs the ritual of looking for the God in Taoism and folk belief as its content and form structure,thus the result is that the legend takes on a character,reality and symbol,meanwhile expresses the human idea of chasing forever-life and the Garden of Eden.
4.The results provided theoretical basis for down-hole catalytic upgrading of heavy oil.

