首先对形状记忆功能高分子的特性进行了分析，提出了形状记忆性能的评价指标，即形状回复率、形状固定率、形状回复速度等。

The characters of shape memorizing polymer were analyzed and some evaluations standard on it were proposed, such as shape recovered rate, shape fixed rate and shape recovered speed, etc.

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分析了立方状和棒状纳米碳酸钙的形成机理，发现这可能与PMAA-DDT的分子结构与形状有关。

The nucleation-growth mechanism for cubic and rod-shaped CaCO3 nanoparticles is discussed. This may be associated with the structure and shape of PMAA-DDT.

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