目前常用的注射材料主要有聚四氟乙烯（PTFE）、戊二醛交联牛胶原（GAX）、自体脂肪、聚硅酮类聚合物。聚四氟乙烯（PTFE）是以甘油为基质的微聚合体粒子，注入点刺激成纤维细胞生长包裹，产生阻碍效果。
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Only when heat reservoir temperature is higher than critical heat reservoir temperature can the performance of GAX cycle be improved.
只有热源温度高于临界温度值时，GAX循环性能系数才能得到提高。
In addition, further investigations about the simplicity cascade cycle, the mid-pressure double-effect cascade cycle and the basic GAX cycle with TFE-TEGDEME as working fluid have been done.
同时，对以该物质为工作介质的单纯复叠循环、中压双效复叠循环和基本GAX循环作了深入研究。
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