Research of coal mining option of the production function of a certain coal pit based on Black-Shcoles model;

Land destruction caused by coal mining;

The effect and protective countermeasures of coal mining on mine area environment;

Major questions the "Guidelines for coal mining accounting" to deal with

Influence of coal exploitation on forest ecosystem in Shanxi;

In order to open out the influence of coal exploitation on forest ecosystem in Shanxi, and provide basic datum for vegetation restoration in mineral area, the cosmically coal exploitation area, exploitation empty area and area impacted by coal exploitation obviously were selected as investigating region, and regional Pinus tablaeformis forest was researched as main stand.

The coal exploitation in Shanxi has brought enormous economic benefits to china’s economy,and along with the enormous ecological damage and the serious environment pollution of this area.

After comparing China's coal mining right paid use system in terms of relative and absolute resource rent administration systems,and effects with American's,the author concludes that China's coal mining right paid use system has lagged behind.

After analyzing on the direction and route of reforming paid use system of coal mining right in terms of relative and absolute resource rent, administration and operation mechanism system, the author concludes that the paid use system of coal mining right reforming in China should refer to American's experience, so as to establish the scientific system for lowering the cost of reform.