The key for isobutane dehydrogenation is to synthesize non - noble mental catalysts.详细总结了不同载体和助剂对脱氢反应的影响,尤其是载体和助剂的酸碱性以及载体的孔结构.The kinetics of dehydrogenation of 2 - butanol to butanone on Ni Ultrafine particle catalyst h...
Catalytic dehydrogenation of ethylbenzene is an important method for production of styrene.乙苯催化脱氢是生产苯乙烯的主要方法.Methanol dehydrogenation is a promising route for commercial production of anhydrous formaldehyde.甲醇直接脱氢制无水甲醛是具...
He came insolently towards Mr. Won, his features set in a scowl.他傲慢无礼地朝元先生冲过来，面露怒容。He looked up at me with a scowl.他脸色阴沉，抬眼看了看我。He wore a permanent scowl on his face.他脸上终日带着怒容....