The FBC ( fluorous biphase catalysis ) is a new nonaqueous immobilization and phase - separation technique.氟两相催化体系 ( FBC ) 是一种新型均相催化剂固定化(多相化)和相分离技术....
My eyes were so swollen I could hardly see.我的眼睛肿得很厉害,几乎看不到东西。I stared at the man, couldn't tear my eyes away.我盯着那个人看,视线无法移开。The child kept her eyes fixed on the wall behind him.这个小女孩眼睛一直紧盯着他身后的那堵墙。...
MEI Shi - long , 1991 . Middle and Late Cambrian conodont and trilobite biostratigraphy in Wanxian, Hebei . Unpublished Ph. D thesis of Peking University.武桂春, 2003. 鲁西地区晚寒武世牙形石. 北京大学博士研究生学位论文.Cambrian stratigraphy well d...