%0 Journal Article %T Mechanisms for the effects of fluorine and a- diimine backbone structure on the catalyst behavior and catalyst deactivation in ethylene polymerization by Ni catalysts %A S. Ahmadjo %A , %A Zohuri, Gholamhossein %A Farhadipour, Abolghasem %A Etemadinia, Zahra %J Journal of Organometallic Chemistry %@ 0022-328x %D 2017