A well designed continuous annular chromatograph(CAC) column was set to study the enrichment of Boron isotopes. The column is 820 mm high and consists of a rota
In this study,nano-polyanline and manganese oxide nanometer tubular composites(nano-PANI@MnO2)were prepared by a surface initiated polymerization method and use
[Objective] The paper was to predict the occurrence trend of Spodoptera litura in Chenzhou area in 2010. [Method] With filed survey data for continuous years in