According to the"Dutch disease"classic three-sector model and the situation of resources-rich regions,the paper holding the flow of labor from manufacturing to mining industry will lead to the recession of manufacturing industry and exacerbates the situation depending on the outcome of the mining industry and verifies the vicious circle through mathematical derivation.

Research on influence of feed-water pressure on water infiltration process of subsurface point source;

This paper introduces some patterns of ownership of underground resources in the world with an analysis of the patterns based on justice and efficiency,analyzes the present state of and problems in China s ownership of underground re-sources,and advances the aim and principles of the reform as well as proposals.