Resource Survey on Wild Fungi and Their Ecological Regionalization in Sanmenxia City;

Studies on the Tourism Resource Integration in New Era——A Case on Sanmenxia City in Henan Province;

Study on the Spatial Cultivation of Tourism Cluster of Sanmenxia City;

On soil Eros ion of the Yellow River Valley in Sanmenxia Area and its Harnessing;

Study on features and countermeasures of geological hazards in Sanmenxia;

Life Cycle Assessment of Municipal Refuse in Sanmenxia;

Current situation of air environmental quality and change trend analysis in Sanmenxia city;

The Human Activity Influences on the Yellow River Wetland and Birds' Ecological Habitat——For Example with the White Swan Garden of the Yellow River of Sanmenxia;

Study on Innovation and Development of Tourism in Sanmenxia City;

Analysis on Periodicity of Natural Annual Runoff Rate at Sanmenxia Station;

Sequences and Genesis of Yellow River Terrace from Sanmen Gorge to Kouma;

Decision Analysis to Sanmen Gorge Water Conservancy Project and It s Re-speculation in Philosophy;

Only by passing through the Sanmen Gorge between Shanxi and Henan and flowing into the sea,was the main stream of the Yellow River formed eventually.