On the basis of the range of the Northeast seismic region, China, given in the popularizing software of China Earthquake Administration, we use wavelet analysis to study the characteristics of the seismic time sequence in the Northeast seismic region, and get the seismic active period of the region.

Make Use of Vertically and Horizontal Differential Coefficient of the Gravitation and Magnetic Force to Ensure the Grads of the Northeast China;

Analysis of Sustainable Development in Northeast China Based on Productive Ecological Footprint;

Situation of and countermeasures for eco-environment in northeast China;

An Analysis of Efficiency and Strategy of Utilization of Northeast Areas Resource;

Developing Countermeasures of Resource Type Industry in Northeast Area;

Characteristics, Problems and Development of New Type Industrialization in Northeast Area;

A study on global warming and the temperature changes in the northeast region;

Study on Comprehensive Improvement of Land Resources in Northeast Region of China;

Research for Finance and Tax Policies on the Improvement of the Ecosystem Economy in Northeast Region;

Hazards and Countermeasures of the Gangue in Northeast of China;

The prevalence of dental caries in primary dentition and the risk factors of 5-year-old children in Northeast of China;

On the Application Value of Autumn-leaf Trees on Garden Landscape in Northeast of China;