selected alkylation process

例句：

1. 1. The alkylation processis crucial for the production of petroleum.
   烷基化过程对于石油生产至关重要。
2. 2. The alkylation process involves reacting a hydrocarbon with an alkylating agent to form an alkylated product.
   烷基化过程涉及将烃与烷基化试剂反应以形成烷基化产物。
3. 3. Thealkylation process hasbeen optimized to reduce the environmentalimpact.
   烷基化过程已优化，以减少环境影响。