“甲烷化”用英语怎么说？

以甲烷化体系为例, 研究了受平衡约束的平行反应的催化剂粒内状态.The catalyst intragranular state for methanation system , which is a parallel reaction of equilibrium - restrained, was studied.介绍中石油大庆石化公司化肥厂合成氨装置甲烷化催化剂水洗情况.Presents the water washing of ...