Microsurgical reconstruction of the trachea in rats: (An experiment study)
Evaluation du patch de Zenoderm (derme de porc traite par enzyme) pour la chirurgie des stenoses tracheales. Resultats satisfaisants
Aiming at Shenyang Metro in construction,analysis of influence of advance small duct grouting on metro tunnel excavation is conducted.By different layout in ring of small duct,based on surrounding rock stress and displacement of each monitored point of tunnel,the rational layout is given.which has important reference meaning to similar tunnel engineering.