n.烷基取代（作用）；烷（烃）化（作用），烯烃异化（石油）

The reaction was carried out under alkylation conditions to protect the functional groups.
这个反应是在烷基化条件下进行的，以保护功能团。
Alkylation of benzene with propyl bromide results in the formation of cumene.
苯与一溴丙烷的烷基化会产生cumene。
Alkylation agents are commonly used in petrochemical processes to refine crude oil.
烷基化剂在石油化工过程中常用以精炼原油。
The catalyst was deactivated by excessive alkylation, so it needed to be regenerated.
催化剂因过度烷基化而失活，需要再生。
In organic synthesis, alkylation is a crucial step in preparing many useful compounds.
在有机合成中，烷基化是制备许多有用化合物的关键步骤。
Alkylation reactions can be exothermic, releasing heat as they proceed.
烷基化反应通常是放热的，在进行过程中会释放热量。
The alkyl group in this compound is responsible for its increased water solubility.
该化合物中的烷基团使其在水中有更高的溶解性。
Alkylation is often followed by acetylation in the preparation of some natural products.
在某些天然产物的制备中，烷基化通常会紧接着发生乙酰化。
Proper selection of alkylating agents is essential for achieving high yields in chemical reactions.
选择合适的烷基化试剂对于化学反应获得高产率至关重要。
Alkylation of nitrogen compounds is a key step in the production of certain fertilizers.
氮化合物的烷基化是制造某些肥料的关键步骤。