Propyl glycidyl ether ( PGE ) was obtained from propyl alcohol and epichlorohydrin by phase - transfer catalysis.以环氧氯丙烷和正丙醇为原料,通过相转移催化法合成了正丙基缩水甘油醚.The FBC ( fluorous biphase catalysis ) is a new nonaqueous immobilization...
In specific acid catalysis, the undissociated acids do not contribute.在特殊的酸催化中, 不离解的酸不起作用.The corresponding reaction of acetaldehyde is subject to general base catalysis.乙醛相应的反应服从广义的碱催化.Catalysis has increased the rate o...
She was horrified at the dehumanisation involved in much of the imagery.这些意象在很大程度上表现出的人性泯灭让她深感惊骇。This is an ambitious and intriguing movie, full of striking imagery.这是一部气势恢宏、引人入胜的电影，充满了动人心魄的瑰丽意象。the poet's luxuriant...
The plant acts as a sedative in treating neuralgia.这种植物被用作治疗神经痛时的镇静药。We must concentrate our energies on treating addiction first.我们必须首先集中精力治疗毒瘾。They were treating symptoms and not the root cause.他们是治标不治本。...