NMA was hydrogenated to 3 - amino - 4 - methoxyacetanilide ( AMA ) with S - Ni as catalystin liquid phase.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 ).Isoprene could be deeply hydrogenated to isop...
The working principle of gas liquid separator for hydrogenated unit was recommended.介绍了加氢装置气液分离器的工作原理.The structures of 0.5 ML hydrogenated Si ( 100 ) surface are simulated by empirical tight - binding ( ETB ) method.采用经...
Electronics stepless speed regulation , conveyor utilized rotated bar with heatproof tube.电子无级调速, 输送机构采用自转式输送棒并加耐高温套管.Lift it out of the conveyor belt.把它从传送带上取下来。Sludge dehydrator, concentrater oil water separator, solid...
Various lengths of intestine may herniate posterior to the right colon into the right paracolic gutter.不同长度的肠管从右结肠后方疝入右侧结肠旁沟.It is supposed to be washed down the gutter and into the city's vast sewerage system.它应该是被...