英语语法分析

OBJECTIVE: To analyze the chemical constituents of Zanthoxylum oil.

目的：分析花椒油的化学成分。

The volatile oils of Zanthoxylum schinifolium were extracted by water vapor distillation.

采用水蒸气蒸馏法提取精制香椒子中的挥发油。

Objective 1h-nmr fingerprints was established to identify Evodiae, Pericarpium Zanthoxylum and Feculae Bombycis.

目的用核磁共振氢谱(1h - NMR)指纹图谱对吴茱萸和其伪品花椒、蚕砂进行鉴别。