By IR spectrum, Tyndall effect, electric conductivity, UV Vis and ESR spectra were studied the reaction mechanism of catalyst components.

• 已知在加氢汽油介质中Ni（naph）2－Al（i－Bu）3－（BF3·OEt2＋n－C8H17OH）体系为胶体催化剂。 本工作应用FT－IR谱结合Tyndal效应、电导率、UV－Vis、ESR谱对催化剂各组分的相互作用进行研究。