Experimental Research on Contamination Status of Groundwater System and Aeration Zone Self-purification of Yanji City;

Narrow Income Gap and Construct Harmonious Society——Taking Yanji City,one of the One-hundred Top Towns as Example;

A Study on the Conversion Characters and Driving Factors of Agricultural Land Change in Yanji City Based on Remote Sensing

Spatial Expansion and Evolution of Yanji City Based on GIS

In order to accelerate the development of the tourism in Yanji, it is imminent that comprehensive development and construction of the winter tourism.

On Yanji Urban Tourism Image Design;

In deep layer of Yanji Basin, there are general seismic geological conditions, and in shallow layer of Yanji Basin, there are 3～20m thick pebble sediment of Quaternary system, drilling very difficult, and energy scattering seriously, and the conditions of surface layer much more poor.

To integrate the three cities,Yanji,Longjing and Tureen in order to carry forward the development of Yanhian area is one of the most important strategic decisions made by the Committee of Yanbian Korean Pre- fecture.

The oil system and exploration perspective in Yanji Basin;

Radioactive anomaly character about Yanji Basin oil reservoir;

The sedimentation and oil-gas characteristics of the lower Cretaceous,Tongfosi Formation and Dalazi Formation,Yanji Basin;