On the influence of cultural elements upon pragmatic deviation;

I propose the method of analysis of cultural elements, and multi-angle, the multi-level study of the Goddess, in order to draw objective conclusions.

Spatial and temporal variations of some hydrological factors in a climax forest ecosystem in the Dinghushan region;

As to some unpolluted and lightly polluted natural water bodies,such as rivers and reservoirs,the concentration of main ions in water quality items is in good correlation with some hydrological factors,such as water level,water temperature,runoff and so on.

The effect of Yongle water diversion engineering on downstreem watercourse and hydrological factor;

Variation process of hydrologic elements of river-aquifer system;

Some conclusions about Shiyanghe river basin such as unapparent increasing of precipitation,appreciably decreasing of mountain run-off and continually decreased of groundwater are acquired by the research about 45 years historical hydrologic element and water resources distributing characteristics.