利用聚金细菌体表存在一种特殊的蛋白质，对金原子进行代谢，聚集、吸附金原子，形成金结晶核。
A kind of special protein on the surface of agglutinative bacteria can be used to metabolize, collect and absorb the gold atoms, and then gold crystal nucleus will be formed.
IPN凝胶呈网状结构，聚合物网络结构的聚集体为圆球状颗粒形式，并可以观察到明显的结晶结构；
IPN gel shows network structure and the aggregate of the network structures is spherical particle, the crystal structure can also be observed obviously.
通过DSC、弯曲实验和力学实验，研究了形状记忆聚氨酯的性能，发现软段高度结晶和硬段聚集形成硬段微区是其具有较好形状记忆性能的必要条件。
It was found that the high crystallinity of the soft segment regions and the formation of hard segment domains are the necessary conditions for polyurethanes with good shape memory behavior.
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