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1·Objective To study the value of clinical application and the influence on joint function for alcoholic devitalization and replantation.

目的探讨酒精灭活再植术对关节功能的影响及临床应用的价值。

2·The effective devitalization of bone lesions is a key to the rate of recurrence and survival in comprehensive treatment of Osteosarcoma.

因此综合治疗中的瘤骨有效灭活成为手术的关键一环，它直接关系到术后复发以及生存率的问题。

3·Objective: To establish an animal model of microwave hyperthermic devitalization of long bones, and observe the process of revascularization.

目的：建立长骨微波高温灭活的动物模型，并观察其再血管化过程。

4·Object: To approach the reliability of high-frequency current acting upon the devitalization of dental pulp, the safety and clinical effect for peripheral tissues of root tip.

目的：探讨高频电流对牙髓失活作用的可靠性、对根尖周围组织的安全性及临床疗效。