Gansu Shule River Project Dynamic Forecasting Research on Groundwater in Changma Irrigation District;

Structural evolution of Cambrian tectonic belt in Changma area, Gansu;

Research on the Water Conversation in the Final Stage Ditch System of Changyuanhe Irrigation Area;

Arc - bed trapezoidal canal cross section applied in reconstruction Jiamakou irrigation district;

Study on performance of siliceous-ash concrete and application in concrete construction of Changma Reservoir Project;

Application of the pipe and strut method to failure treatment for the flood and sluice tunnel of Changma Reservoir;

Application of siliceous ash concrete in the flood releasing and sediment flushing tunnel of Changma Reservoir;

An Outline of Professor Ma Kechang s Thinking of the Legislation of Criminal Law;