利用水热法合成羟基磷灰石晶须重复性好、便于控制，所得晶须结晶度高、形状均一、性能稳定。

Hydrothermal is a excellent method to synthesize hydroxyapatite whisker; whisker gained by this method has the uniform morphology and stable properties.

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简要介绍了羟基磷灰石的结晶结构和其理化性质，综合论述了纳米羟基磷灰石的制备工艺及其原理。

The crystal structure and the characteristics of hydroxylapatite are briefly introduced. the preparation methods and the principle of nano-hydroxylapatite are summarized at length.

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结果：热有机膜处理后的镁合金，其羟基磷灰石的沉积速度和结晶度都优于碱热法。

Results: The deposition rate and crystallinity of HA treated by the heat-organic layers treatment were better than those by alkali-heat treatment.

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