样品经双甲基硅烷三氟乙酰胺衍生后，以美托洛尔为内标物，用气相色谱-质谱联用仪进行定性定量分析。
After samples were derived by BSTFA, GC-MS took metoprolol as the internal standard substance and made a qualitative and quantitative test.
一种烃类加工液体产物改质催化剂，包括铱、卤素和耐高温无机氧化物，以耐高温无机氧化物为基准计算的铱含量为0.1 ~ 5.0质量%，卤素含量为0.01 ~ 3.0质量%。
The liquid hydrocarbon modifying catalyst consists of heat resisting inorganic oxide, Ir in 0.1-5.0 wt % of the inorganic oxide, and halogen in 0.01-3.0 wt % of the inorganic oxide.
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