The quality of solid greases depends on the Crystal polymorphism it is very important to determine the melting point of Crystal polymorphism and it's stable CharaCter.
固体油脂食品的品质优劣取决于同质多晶晶型，所以确定各晶型的熔点及其稳定性是十分重要的。
The complex polymorphism and the structural characteristic of various crystal forms are reviewed in syndiotactic polypropylene.
综述间规聚丙烯复杂的多晶型现象以及各晶型的结构特点。
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