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;

A cephalometric study on facial height and depth of adults with normal occlusion in northeastern China;

Comparison of Precision of Spatial Interpolation of Precipitation Factors:A Case Study in Northeastern China;

Discussion of the Area and Distribution of Black Soils in Northeastern China;