Determining Rotundine With Nonaqueous Acid-base Titration.;

Research on general pharmacology of Tramadol,Sulpiride,Rotundine and Venlafaxine after simultaneous administration;

Study of rotundine s alleviating endotracheal intubation reaction;

The clinical study of comparing the simplified craniomaxillo fixtion technique and the craniomaxillo fixtion technique to treat the fracture of maxilla;

A multifunctional cephalostat and its application in anesthesia;

Development of a multifunctional cephalostat and its application in anesthesia;

The multifunctional cephalostat is able to hold the patients head better and firmly at prone position after tracheal intubation under general anesthesia According to the size of patients head,the anesthetist can properly adjust the distance of the malor holder and the distance between the superciliary ridge and the lower jaw,and fix the two tempora to prevent the head swaying.

Diagnosis and microsurgery of cranial nasal tumors;