这是我从Elsevier 上检索出来的,是不是因为手写稿的缘故啊,再试试看,谢谢了 On-line sequential injection dispersive liquid-liquid microextraction system for flame atomic absorption spectrometric determination of copper and lead in water samples Talanta, In Press, Accepted Manuscript, Available online 14 March 2009 Aristidis N. Anthemidis, Kallirroy-Ioanna G. Ioannou