metallocenes造句

例句与造句

1. this thesis was composed in three parts : ( 1 ) the performance of the catalysts for the oligomerization and polymerization of ethylene; ( 2 ) the comonomer effect of the in-situ copolymerization of ethylene by the bis ( imino )-pyridyl iron complexes and metallocenes; ( 3 ) the in-situ copolymerization of ethylene by cobalt-based catalysts and metallocenes
   本论文共分为3部分：催化剂性能的评价，双亚胺基吡啶铁配合物与茂金属复配催化乙烯原位共聚中的共单体效应以及双亚胺基吡啶钴配合物与茂金属复配催化乙烯原位共聚。
2. this thesis was composed in three parts : ( 1 ) the performance of the catalysts for the oligomerization and polymerization of ethylene; ( 2 ) the comonomer effect of the in-situ copolymerization of ethylene by the bis ( imino )-pyridyl iron complexes and metallocenes; ( 3 ) the in-situ copolymerization of ethylene by cobalt-based catalysts and metallocenes
   本论文共分为3部分：催化剂性能的评价，双亚胺基吡啶铁配合物与茂金属复配催化乙烯原位共聚中的共单体效应以及双亚胺基吡啶钴配合物与茂金属复配催化乙烯原位共聚。
3. It's difficult to find metallocenes in a sentence. 用metallocenes造句挺难的