The kinetics and mechanism of exciplex formation of 9,10 - dicyanoanthracene ( DCA ) by acenaphthenone ( ANO ) have been studied.研究了苊酮 ( ANO ) 对9,10-二氰蒽 ( DCA ) 的荧光猝灭与激基络合物形成的动力学与机理....
将蔬菜蒸至大半熟后从蒸锅里捞出。Remove the vegetables from the steamer when they are three-quarters cooked.洞口大半都淹没在湖里。Most of the mouth of the cave was submerged in the lake.嵌入地面的浴缸占了房间的大半空间。The room was dominated by a sunken bath....