The preparation method for the catalyst comprises the following processes in turn: precursor preparation, crystallization, secondary crystallization, molding and calcination.
该催化剂的制备方法依次包 括以下工艺：前躯体配制、晶化、二次晶化、成型和煅烧。
It was discovered by POM that spherulitic morphology of PHB in the blend changed significantly, size of the spherulites decreased and the secondary crystallization of PHB was inhibited also.
POM表明，共混物中的PHB球晶形态产生显著变化，球晶尺度减小，且二次结晶被抑制。
It was discovered by POM that spherulitic morphology of PHB in the blend changed significantly, size of the spherulites decreased and the secondary crystallization of PHB was inhibited also.
POM表明，共混物中的PHB球晶形态产生显著变化，球晶尺度减小，且二次结晶被抑制。
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