The phenyl ofp n propylbenzoic acid could be reduced by sodium alkoxide.醇钠可以还原对丙基苯甲酸中的苯环.Poly ( L - lactide ) ( PLLA ) was synthesized by ring - opening polymerization of L - lactide using cyclic tin alkoxide compound as...
Why would he jeopardise his future by taking unauthorized drugs?他为什么要服用违禁药品,而毁了自己的将来 呢 ?The fallout of ash over parts of Iceland could jeopardise the safety of drinking water.落到冰岛一些地方的火山灰沉降物可能会威胁饮用水安全....
The longitudinal cords are termed connectives.纵走的索称为连索.The study of text - connectives theoretically comes under the strategy of meta - discourse ( Kopple, 1985 ).从理论上看,以文本连接词为中心的教学模式属于元语篇策略的范畴....