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....
' stood apart, with countenances of inflexible gravity , beyond what even the Puritan aspect could attain . "站在一旁, 他们脸上那种严肃刚毅的神情, 比清教徒们还 有过之而无不及.The artistic thing is, to unmask honest countenances!我承认,做起来是有困难的!She ...
Only,'he added,'I'm glad I trod on Master Pew's corns;'不过, ” 他说,接着又补充说, “ 我的马踩倒了皮武先生,我还是感到很高兴. ”These aboriginal inhabitants preserved their food by dehydrating corns, fruits, and vegetables.这些原住...