XRD patterns showed that the cathode material is well-crystallized, homogeneous olivine-type phase, with only tiny trivalence iron impurities.

XRD 图谱表明，阴极材料结晶完整，为均一橄榄石型结构，仅含少量三价铁杂质。

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The main causation leads to the increase of fried oil is the impurities carbide, especially the tiny particles of flour and farina turn into catalyzer of oxidation and hydrolyze.

而悬浮在油脂中的炭化残渣特别是细小的面粉、淀粉颗粒成为了油脂氧化反应和水解反应的催化剂，是使油脂质量下降的一个主要因素。

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