Countermeasures to prevent and rescue commanders and fighters with cold injury in the cold region during wartime;

Optimization of concrete admixtures for the face deck of the CFRD in cold region;

Analysis of main factors about mass concrete cracks in cold region;

Using the modified Tennant method worked on water demand of ecological environment for middle and small river in high and cold area;

Test study on consolidation behaviors of wetland soft soil in cold area;

A discussion about how to ensure compactness and smoothness of the modified asphaltum pavement at the cold area;

Classification of phytoplankton community in spring and summer in wetland of cold regions: a case study of Anbanghe wetland, Sanjiang Plain, China;

Relationship between phytoplankton quantity and its environmental factors in wetland of cold regions in spring and summer based on the grey association analysis

Estimation method of freezing water in the severe area in winter;

Discussion on project type and construction method of courseware protection dike in severe area;

The application of U-shaped prereinforced concrete in ditch seepage control in severe area;

The application of bag concrete in river dike prevention and slope protection engineering in severe cold area;

The application of ice surface sinking raft in hydraulicengineering in severe cold area;

This paper introduces several channel seepage control technique and measure which are suitable to severe cold area and makes a benefit analysis on irrigation and water carrying channel after adopting seepage control measure.