The suitable organic imine reactants have a variety of compositions and structures.合适的有机亚胺反应剂具有多种组成和结构.The alternative use of buffered silica gel resulted in modest hydrolysis ( ~5 - 10 % ) of the imine.选用温和的水解导致缓冲硅胶 ( ~...
我在一棵快要枯死的榆树的树洞里安了家。I made my home there, in the hollow of a dying elm.一排雄伟壮观的榆树a line of stately elms枯死的榆树已被移去而换栽了一排幼树.The dead elms have been replaced by a row of saplings....