以改性的骨架镍为催化剂催化3-硝基-4-甲氧基乙酰苯胺(NMA)液相选择性加氢制备了 3- 氨基 -4- 甲氧基乙酰苯胺 ( AMA ).NMA was hydrogenated to 3 - amino - 4 - methoxyacetanilide ( AMA ) with S - Ni as catalystin liquid phase.异戊二烯在镍基催化剂作用下可深度加氢为异戊烷.Isoprene could be deep...
He inched the van forward.他一点点向前挪动着货车。An ambulance inched its way through the crowd.救护车在人群中缓慢前进。He inched the van forward...他一点点向前挪动着货车。The worm inched along.那条虫向前蠕动.Instant cacophony as the crowd inched forward step by ...