对产品的二级质谱学特征进行了分析、讨论。
The MS characteristic of the product was analyzed and discussed in detail.
研究了芍药甙的二级质谱断裂行为来帮助鉴定已知化合物氧化芍药甙。
The fragment pattern of paeoniflorin was studied to facilitate the identifying the reported oxypaeoniflorin.
并在二级质谱中通过对一些化合物碎片峰的解析，得到了PPO的裂解方式。
The fracture manner of PPO was obtained through analysing some fragment peaks of compounds in the second - order mass spectrum.
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