英语语法分析

Adsorption and separation technology were studied with reforming topped oil as feedstock, 5 a molecular sieve as adsorbent, nitrogen as desorbent.

采用吸附分离工艺，以5 A分子筛为吸附剂，氮气为脱附剂，将重整拔头油分离成高纯度的正构烷烃和异构烷烃。