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1·Objective: to provide anatomical basis of tibial intramedullary tridentate nail (TITN) by applied anatomy of tibia.

目的：通过胫骨应用解剖测量，为胫骨型髓内分叉钉(TITN)设计提供解剖依据。

2·The effects of tridentate ligand structure, central atom, co catalyst and supported on property of catalysts are presented.

介绍了三齿配体结构、中心金属原子、 助催化剂、 负载化等对催化剂性能的影响；

3·In communicating hydrocephalus, round-blunt ascending tridentate imaging was showed, the nuclide was accumulated on the surface of cerebrum and longitudinal fissure and dissipation time was delayed.

交通性脑积水表现为上行三叉影像圆钝，核素在脑表面和纵裂区蓄积且消散时间延长。

4·Fixation of fractures of tibial shafts was simple. Anatomical reduction of fractures was obtained. The tridentate structure of the TITN fit well the funnel-like medullary of the distal part of tibia.

TITN固定胫骨骨折，操作简便，骨折解剖复位，其远端分叉状结构与胫骨下端漏斗状髓腔良好相容。