It was soon replaced by chloroform.不久它被氯仿所代替.In the epoxidation, chloroform and t butanol gave the best results.在环己烯环氧化反应中, 以氯仿和叔丁醇为溶剂时,环氧化反应的结果最好.Already the hospitals were worrying about the scarcity of quinine, calome...
Both atria are thinwalled muscular chambers.两心房是由薄壁构成的空腔.Yet on maximal vagal stimulation, both atria and ventricles come to a standstill.然而,以最大刺激作用于迷走神经时, 心房和心室都停搏.The combined contraction of the atria and ventricles is...