Study on the absorption capacity of Northeast main greening tree species to As in the atmosphere;

Evaluation of Jurassic Hydrocarbon Source Rocks in Northeastern Area of Tarim Basin.;

The Research of Railway Thoroughfare′s Construction between Northeast China and Mongolia;

Climate Change and Its Impacts in Northeast China;

Separation Methods for Sapstain Fungi from Betula platyphylla Suk.in Northeast China;

Analysis of Development Barriers in Northeast China s Equipment Manufacturing Industry;

The New Recorded Species of the Birds Distribution in the Northeast——Gyps Himalayensis;

A Historical Formation of the Old Industrial Base in the Northeast;

A New Record of Peronospora for Northeastern China;

The Natural Disasters in Northeastern China in the Late Ming Dynasty and the Rise of Nuzhen People;

The Korean Wave People s Smuggling Activities in the Northeast of China Instigated by Japan;

The Plant of Paederia in Rubiaceae has never been found in the northeast of China.

The Northeast of China is an independent geography unit and economic district correspondingly.

Study on experiments of adjusting and controlling the impedimental factors of black soil in the north region of Northeast, China;