Specialized English for chemistry
化工专业英语
Chemical Enineering and Technology
Lesson 3 Catalysts for Industrial Processes
The criteria for an industrially successful catalyst are very stringent.Criteria  （批评、判断等）标准，准则( criterion名词复数 Stringent adj.        严格;迫切;（货币）紧缩The two most important considerations are activity and durability;suitability for basic study is not a factor,and this has retarded progress in our understanding of how such technical catalysts really operate.
Let us consider the two prime r ...