Study on high-yield components of maize in cold region;

Study on light and temperature index in growing period of tomato in greenhouseof cold region;

Study on the subsidiary architectural forms of the city plaza in the cold regions;

"Eight-legged style"of pubic square design in cold area city;

Potassium statas and balance of paddy field in cold area of Northeast China;

Nitrogen application situation and effects of nitrogen management on cost and output of paddy field in cold area of northeast China;

Diversity of plant community structure in "Black Soil" type degraded grassland and alpine wetland and their intersectional area;

Meadow conservation and optimal utilization of the alpine wetland in the Western China;

Analysis of AHP strategic decision for grazing management system and ecological restoration in the alpine wetland at Gannan in Gansu;

Experimental study on construction of full-section RCC dam in cold areas;

Energy efficiency of combined solar collector for rural houses in cold areas;

Using stabilization ponds in Jining City as subject, feasibility of stabilization ponds with short residence time in cold areas was emphatically studied.

Practice to adaptation on activated sludge in cold area;

Assessment of sperm quality of men living in cold area in our country by detecting sperm DNA;

Changing rules of temperature field for tunnel in cold area;