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...
钱会交付他人托管,直到她年满18岁。The money will be put in trust until she is 18.有关在该托管机构管理的62.5万英亩土地上狩猎一事,最近一次辩论是两年前。Hunting on the trust's 625,000 acres was last debated two years ago.艺术品交由我们托管一生。Works of art are in trust to us d...
原先苹果酒里的任何杂质在蒸馏后都会凸现出来。Any faults in the original cider stood out sharply after distillation.一旦杂质沉淀下去,油就可以分级了。Once its impurities had settled, the oil could be graded.过滤器会滤掉水中的大部分杂质。A filter will remove most impurities fo...
Can you contrive to be here a little earlier?你能不能早一点来?How could you contrive to make such a mess of things?你怎么把事情弄得一团糟 呢 ?She found it difficult to contrive when prices of everything went up.百物涨价时,她觉得料理家务很难....