Characterization of VO_X/Mg-Al-O Catalyst and Catalytic Activity in Oxidative Dehydrogenation of Cyclohexane to Cyclohexene Journal of Jianghan University (Natural Science Edition) . 2016, (1): 52 -57 .  DOI: 10.16389/j.cnki.cn42-1737/n.2016.01.010