英语语法分析

Highly polar stationary liquids are synthesized by the cyanoethylation reaction.

用氰乙基化反应合成的强极性固定液制成强极性色谱柱！

Organic bases, such as pyridine can accelerate the mon-cyanoethylation but can not accelerate the bis-cyanoethylation.

有机碱，例如吡啶能加速单氰乙基化，而不能促进双氰乙基化。