Of Chloroform Bitumen的意思|示意

对氯仿沥青 The paper discusses fluorescent characteristics of extracts from diffrent coal ranks. The au-thors contrasted fluorescence spectrum and fluorescence intensity of chloroform bitumen“A”,aromatics,nonhydrocarbon and asphaltene,and Carried out the variation law of fluorescent Characteristics of diffrentextracts in pace with ascending coal ranks,and the relation between them was discussed.