Evolvement trend of water-soil chemical field in Qingtongxia Irrigation Area;

On exploitation and application of water management system in Qingtongxia irrigation area;

Study on the Regularity of Drainage Water Volume of Qingtongxia Irrigation Area of NingXia;

Study on hydrologic and hydrogeologic parameters for west irrigated areas of Qingtong Gorge of Ningxia;

Deformation behavior analysis for power plant dam section of Qingtongxia Dam;

Groundwater regulating standard for west irrigated areas of Qingtong Gorge of Ningxia;