Objective : objective to understand the clinical feature of Methamphetamine abuse with psychosis disorder, and provide information for diagnosis and treatment for this disorder.

Preliminary study on debris flow induced by glacier lake outburst in Tibet;

Progress in glacier lake outburst assessment system

Because of lateral erosion of the Yellow River,the site of the old Hulao pass moved to Sishui town,so the pass was named Sishui pass,therefore,the Hulao and Sishui passes should be the same one with two different names.