英语语法分析

In the region the Middle Triassic Anisic Stage stratigraphic development and facies variation are rather violent.

区内三迭系中统安尼·锡克阶地层发育，相变剧烈。

Methods: The fluorescence characteristics of astragaloside anisic reaction product were used to determine astragaloside in serum.

方法：利用茴香酸在硫酸介质中与黄芪甲甙反应产生强烈荧光的特性，测定血清中的黄芪甲甙。

The present invention features the multiple phase selective hydrogenation process to synthesize anisic aldehyde with methyl methoxybenzoate.

采用于多相选择加氢方法由对甲氧基苯甲酸甲酯合成大茴香醛。