Membrane separation has many advantages, such as no phase change, lower energy consuming, more facile operations and better selectivity.

膜分离具有无相变、低耗能、操作条件温和、分离选择性好等优点，是首选的分离技术。

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Results:The HA synthesized here was poorly crystalline carbonated nanometer crystals and dispersed uniformly in chitosanp hase and there was no phase-separation between the two phases.

结果：复合材料中的羟基磷灰石为类似于自然骨矿物相的弱结晶含碳酸纳米晶体，并均匀分散于有机相壳聚糖中。

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